{% extends "admin/base.html" %}

{% block title %}{% if entity %}Edit{% else %}New{% endif %} {{ content_type.label }} - Focomy{% endblock %}
{% block header_title %}{% if entity %}Edit{% else %}New{% endif %} {{ content_type.label }}{% endblock %}

{# フィールドレンダリングマクロ #}
{% macro render_field(field, entity) %}
<div class="form-group">
    <label class="form-label" for="{{ field.name }}">
        {{ field.label or field.name }}
        {% if field.required %}<span style="color: var(--error);">*</span>{% endif %}
    </label>

    {% if field.type == 'text' or field.type == 'string' %}
        <input
            type="text"
            id="{{ field.name }}"
            name="{{ field.name }}"
            class="form-input"
            value="{{ entity.get(field.name, '') if entity else '' }}"
            {% if field.required %}required{% endif %}
        >

    {% elif field.type == 'email' %}
        <input
            type="email"
            id="{{ field.name }}"
            name="{{ field.name }}"
            class="form-input"
            value="{{ entity.get(field.name, '') if entity else '' }}"
            {% if field.required %}required{% endif %}
        >

    {% elif field.type == 'password' %}
        <input
            type="password"
            id="{{ field.name }}"
            name="{{ field.name }}"
            class="form-input"
            {% if not entity %}required{% endif %}
        >
        {% if entity %}
        <p class="form-hint">Leave empty to keep current password</p>
        {% endif %}

    {% elif field.type == 'slug' %}
        <input
            type="text"
            id="{{ field.name }}"
            name="{{ field.name }}"
            class="form-input"
            value="{{ entity.get(field.name, '') if entity else '' }}"
            pattern="[-a-z0-9]+"
            {% if field.required %}required{% endif %}
        >
        <p class="form-hint">URL-friendly identifier (lowercase letters, numbers, hyphens)</p>

    {% elif field.type == 'textarea' or field.type == 'richtext' %}
        <textarea
            id="{{ field.name }}"
            name="{{ field.name }}"
            class="form-textarea"
            {% if field.required %}required{% endif %}
        >{{ entity.get(field.name, '') if entity else '' }}</textarea>

    {% elif field.type == 'blocks' %}
        <!-- プレビューコントロール (105) -->
        <div class="ep-controls">
            <div class="ep-layout-group">
                <button type="button" class="ep-layout-btn active" data-layout="editor-only" title="エディタのみ">
                    <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><rect x="3" y="3" width="18" height="18" rx="2"/><line x1="9" y1="3" x2="9" y2="21"/></svg>
                </button>
                <button type="button" class="ep-layout-btn" data-layout="split" title="分割表示">
                    <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><rect x="3" y="3" width="18" height="18" rx="2"/><line x1="12" y1="3" x2="12" y2="21"/></svg>
                </button>
                <button type="button" class="ep-layout-btn" data-layout="preview-only" title="プレビューのみ">
                    <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><rect x="3" y="3" width="18" height="18" rx="2"/><line x1="15" y1="3" x2="15" y2="21"/></svg>
                </button>
            </div>
            <div class="ep-device-group">
                <button type="button" class="ep-device-btn active" data-device="desktop" title="デスクトップ (1200px)">
                    <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><rect x="2" y="3" width="20" height="14" rx="2"/><line x1="8" y1="21" x2="16" y2="21"/><line x1="12" y1="17" x2="12" y2="21"/></svg>
                </button>
                <button type="button" class="ep-device-btn" data-device="tablet" title="タブレット (768px)">
                    <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><rect x="4" y="2" width="16" height="20" rx="2"/><line x1="12" y1="18" x2="12" y2="18"/></svg>
                </button>
                <button type="button" class="ep-device-btn" data-device="mobile" title="モバイル (375px)">
                    <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><rect x="5" y="2" width="14" height="20" rx="2"/><line x1="12" y1="18" x2="12" y2="18"/></svg>
                </button>
            </div>
        </div>

        <!-- Editor.js用 hidden input -->
        <input type="hidden" id="{{ field.name }}" name="{{ field.name }}" value='{{ entity.get(field.name, '') | tojson if entity and entity.get(field.name) else "" }}'>

        <!-- 分割レイアウト (105) -->
        <div class="ep-wrapper" data-layout="editor-only" data-field="{{ field.name }}">
            <div class="ep-editor">
                <div class="editor-container" id="editor-{{ field.name }}" data-editor="{{ field.name }}"></div>
            </div>
            <div class="ep-preview">
                <iframe id="ep-iframe-{{ field.name }}" class="ep-iframe" data-device="desktop"></iframe>
            </div>
        </div>

    {% elif field.type == 'number' or field.type == 'integer' %}
        <input
            type="number"
            id="{{ field.name }}"
            name="{{ field.name }}"
            class="form-input"
            value="{{ entity.get(field.name, '') if entity else '' }}"
            {% if field.min is defined %}min="{{ field.min }}"{% endif %}
            {% if field.max is defined %}max="{{ field.max }}"{% endif %}
            {% if field.required %}required{% endif %}
        >

    {% elif field.type == 'float' %}
        <input
            type="number"
            step="any"
            id="{{ field.name }}"
            name="{{ field.name }}"
            class="form-input"
            value="{{ entity.get(field.name, '') if entity else '' }}"
            {% if field.required %}required{% endif %}
        >

    {% elif field.type == 'boolean' %}
        <label class="checkbox-label">
            <input
                type="checkbox"
                id="{{ field.name }}"
                name="{{ field.name }}"
                value="true"
                {% if entity and entity.get(field.name) %}checked{% endif %}
            >
            <span>{{ field.description or '' }}</span>
        </label>

    {% elif field.type == 'select' %}
        <select
            id="{{ field.name }}"
            name="{{ field.name }}"
            class="form-select"
            {% if field.required %}required{% endif %}
        >
            <option value="">-- Select --</option>
            {% for option in field.options %}
            {% set opt_value = option.value if option is mapping else option %}
            {% set opt_label = option.label if option is mapping else option %}
            <option value="{{ opt_value }}" {% if entity and entity.get(field.name) == opt_value %}selected{% endif %}>
                {{ opt_label }}
            </option>
            {% endfor %}
        </select>

    {% elif field.type == 'datetime' %}
        <input
            type="datetime-local"
            id="{{ field.name }}"
            name="{{ field.name }}"
            class="form-input"
            value="{{ entity.get(field.name, '')[:16] if entity and entity.get(field.name) else '' }}"
            {% if field.required %}required{% endif %}
        >

    {% elif field.type == 'date' %}
        <input
            type="date"
            id="{{ field.name }}"
            name="{{ field.name }}"
            class="form-input"
            value="{{ entity.get(field.name, '')[:10] if entity and entity.get(field.name) else '' }}"
            {% if field.required %}required{% endif %}
        >

    {% elif field.type == 'image' or field.type == 'file' or field.type == 'media' %}
        {% if entity and entity.get(field.name) %}
        <div class="media-preview">
            <img src="{{ entity.get(field.name) }}" alt="">
        </div>
        {% endif %}
        <input
            type="file"
            id="{{ field.name }}"
            name="{{ field.name }}"
            class="form-input"
            {% if field.type == 'image' or field.accept %}accept="{{ field.accept or 'image/*' }}"{% endif %}
        >

    {% elif field.type == 'url' %}
        <input
            type="url"
            id="{{ field.name }}"
            name="{{ field.name }}"
            class="form-input"
            value="{{ entity.get(field.name, '') if entity else '' }}"
            {% if field.required %}required{% endif %}
        >

    {% elif field.type == 'json' %}
        {% if field.name == 'fields_config' %}
        {# === Visual Form Builder for fields_config === #}
        <input type="hidden" id="{{ field.name }}" name="{{ field.name }}" value='{{ entity.get(field.name, "[]") | tojson if entity and entity.get(field.name) else "[]" }}'>

        <div class="form-builder" id="form-builder">
            <div class="form-builder-toolbar">
                <button type="button" class="btn btn-primary btn-sm" onclick="FormBuilder.showAddModal()">
                    + フィールド追加
                </button>
            </div>
            <ul class="form-builder-list" id="form-builder-list">
                {# Fields rendered by JavaScript #}
            </ul>
            <div class="form-builder-empty" id="form-builder-empty" style="display: none;">
                <p class="text-muted">フィールドがありません。「フィールド追加」をクリックして追加してください。</p>
            </div>
        </div>

        {# Field Edit Modal #}
        <div id="field-modal" class="modal" style="display: none;">
            <div class="modal-overlay" onclick="FormBuilder.hideModal()"></div>
            <div class="modal-content">
                <div class="modal-header">
                    <h3 id="field-modal-title">フィールド追加</h3>
                    <button type="button" class="modal-close" onclick="FormBuilder.hideModal()">&times;</button>
                </div>
                <div class="modal-body">
                    <input type="hidden" id="field-edit-index" value="-1">

                    <div class="form-group">
                        <label class="form-label" for="field-name">フィールド名 <span style="color: var(--error);">*</span></label>
                        <input type="text" id="field-name" class="form-input" pattern="[a-z0-9_]+">
                        <p class="form-hint">英小文字、数字、アンダースコアのみ</p>
                    </div>

                    <div class="form-group">
                        <label class="form-label" for="field-label">表示ラベル</label>
                        <input type="text" id="field-label" class="form-input">
                    </div>

                    <div class="form-group">
                        <label class="form-label" for="field-type">タイプ</label>
                        <select id="field-type" class="form-select" onchange="FormBuilder.toggleOptionsEditor()">
                            <option value="text">テキスト</option>
                            <option value="email">メールアドレス</option>
                            <option value="tel">電話番号</option>
                            <option value="textarea">テキストエリア</option>
                            <option value="select">セレクトボックス</option>
                            <option value="radio">ラジオボタン</option>
                            <option value="checkbox">チェックボックス</option>
                        </select>
                    </div>

                    <div class="form-group">
                        <label class="checkbox-label">
                            <input type="checkbox" id="field-required">
                            <span>必須項目</span>
                        </label>
                    </div>

                    <div class="form-group">
                        <label class="form-label" for="field-placeholder">プレースホルダー</label>
                        <input type="text" id="field-placeholder" class="form-input">
                    </div>

                    <div class="form-group">
                        <label class="form-label" for="field-hint">ヘルプテキスト</label>
                        <input type="text" id="field-hint" class="form-input">
                    </div>

                    <div class="form-group" id="field-checkbox-label-group" style="display: none;">
                        <label class="form-label" for="field-checkbox-label">チェックボックスラベル</label>
                        <input type="text" id="field-checkbox-label" class="form-input">
                    </div>

                    {# Options Editor for select/radio #}
                    <div id="options-editor" style="display: none;">
                        <div class="form-group">
                            <label class="form-label">選択肢</label>
                            <div id="options-list"></div>
                            <button type="button" class="btn btn-secondary btn-sm" onclick="FormBuilder.addOption()" style="margin-top: 0.5rem;">
                                + 選択肢追加
                            </button>
                        </div>
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" onclick="FormBuilder.hideModal()">キャンセル</button>
                    <button type="button" class="btn btn-primary" onclick="FormBuilder.saveField()">保存</button>
                </div>
            </div>
        </div>
        {% elif field.name == 'steps' %}
        {# === Visual Step Builder for steps === #}
        <input type="hidden" id="{{ field.name }}" name="{{ field.name }}" value='{{ entity.get(field.name, "[]") | tojson if entity and entity.get(field.name) else "[]" }}'>

        <div class="step-builder" id="step-builder">
            <p class="form-hint" style="margin-bottom: 0.75rem;">
                複数ステップに分けるとウィザード形式のフォームになります。空の場合は1ページ形式です。
            </p>
            <div class="step-builder-toolbar">
                <button type="button" class="btn btn-primary btn-sm" onclick="StepBuilder.showAddModal()">
                    + ステップ追加
                </button>
            </div>
            <ul class="step-builder-list" id="step-builder-list">
                {# Steps rendered by JavaScript #}
            </ul>
            <div class="step-builder-empty" id="step-builder-empty" style="display: none;">
                <p class="text-muted">ステップがありません。1ページ形式で表示されます。</p>
            </div>
        </div>

        {# Step Edit Modal #}
        <div id="step-modal" class="modal" style="display: none;">
            <div class="modal-overlay" onclick="StepBuilder.hideModal()"></div>
            <div class="modal-content">
                <div class="modal-header">
                    <h3 id="step-modal-title">ステップ追加</h3>
                    <button type="button" class="modal-close" onclick="StepBuilder.hideModal()">&times;</button>
                </div>
                <div class="modal-body">
                    <input type="hidden" id="step-edit-index" value="-1">

                    <div class="form-group">
                        <label class="form-label" for="step-title">ステップタイトル <span style="color: var(--error);">*</span></label>
                        <input type="text" id="step-title" class="form-input" placeholder="例: 基本情報">
                    </div>

                    <div class="form-group">
                        <label class="form-label">このステップに含めるフィールド</label>
                        <div id="step-fields-selector" class="step-fields-selector">
                            <p class="text-muted" id="step-no-fields">先にフィールドを追加してください</p>
                        </div>
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" onclick="StepBuilder.hideModal()">キャンセル</button>
                    <button type="button" class="btn btn-primary" onclick="StepBuilder.saveStep()">保存</button>
                </div>
            </div>
        </div>
        {% else %}
        <textarea
            id="{{ field.name }}"
            name="{{ field.name }}"
            class="form-textarea"
            style="font-family: monospace;"
            {% if field.required %}required{% endif %}
        >{{ entity.get(field.name, '{}') | tojson if entity else '{}' }}</textarea>
        <p class="form-hint">JSON format</p>
        {% endif %}

    {% else %}
        <input
            type="text"
            id="{{ field.name }}"
            name="{{ field.name }}"
            class="form-input"
            value="{{ entity.get(field.name, '') if entity else '' }}"
            {% if field.required %}required{% endif %}
        >
    {% endif %}

    {% if field.hint %}
    <p class="form-hint">{{ field.hint }}</p>
    {% endif %}
    {% if field.description and field.type != 'boolean' %}
    <p class="form-hint">{{ field.description }}</p>
    {% endif %}
</div>
{% endmacro %}

{% block content %}
<form method="POST" action="{{ form_action }}" enctype="multipart/form-data" class="entity-form">
    <input type="hidden" name="csrf_token" value="{{ csrf_token }}">

    <!-- ヘッダーバー (B4: ボタン右上) -->
    <div class="form-header">
        <div class="form-header-left">
            {% if entity %}
            <div id="autosave-status" class="autosave-status"></div>
            {% endif %}
        </div>
        <div class="form-header-right">
            <a href="{{ cancel_url }}" class="btn btn-secondary">Cancel</a>
            {% if entity %}
            <button type="button" class="btn btn-secondary" onclick="toggleRevisions()">History</button>
            {% endif %}
            <button type="submit" class="btn btn-primary">
                {% if entity %}Update{% else %}Create{% endif %}
            </button>
        </div>
    </div>

    {% if error %}
    <div class="alert alert-error">{{ error }}</div>
    {% endif %}

    {% if message %}
    <div class="alert alert-success">{{ message }}</div>
    {% endif %}

    <!-- 2カラムレイアウト (B3) -->
    <div class="form-layout">
        <!-- メインカラム -->
        <div class="form-main">
            <div class="card">
                {% for field in content_type.fields %}
                    {% if not field.admin_hidden and not field.sidebar %}
                        {{ render_field(field, entity) }}
                    {% endif %}
                {% endfor %}
            </div>
        </div>

        <!-- サイドバー -->
        <div class="form-sidebar">
            <!-- ステータス・公開設定 -->
            {% set has_sidebar_fields = namespace(value=false) %}
            {% for field in content_type.fields %}
                {% if not field.admin_hidden and field.sidebar %}
                    {% set has_sidebar_fields.value = true %}
                {% endif %}
            {% endfor %}

            {% if has_sidebar_fields.value %}
            <div class="card sidebar-card">
                <h4 class="sidebar-title">公開設定</h4>
                {% for field in content_type.fields %}
                    {% if not field.admin_hidden and field.sidebar and field.name in ['status', 'published_at'] %}
                        {{ render_field(field, entity) }}
                    {% endif %}
                {% endfor %}
            </div>

            <!-- アイキャッチ -->
            {% for field in content_type.fields %}
                {% if not field.admin_hidden and field.sidebar and field.name == 'featured_image' %}
                <div class="card sidebar-card">
                    <h4 class="sidebar-title">アイキャッチ</h4>
                    {{ render_field(field, entity) }}
                </div>
                {% endif %}
            {% endfor %}
            {% endif %}

            <!-- Relations -->
            {% if relations %}
            <div class="card sidebar-card">
                <h4 class="sidebar-title">リレーション</h4>
                {% for rel in relations %}
                <div class="form-group">
                    <label class="form-label" for="rel_{{ rel.name }}">
                        {{ rel.label or rel.name }}
                    </label>
                    <select
                        id="rel_{{ rel.name }}"
                        name="rel_{{ rel.name }}"
                        class="form-select"
                        {% if rel.multiple %}multiple style="min-height: 80px;"{% endif %}
                    >
                        {% if not rel.multiple %}
                        <option value="">-- Select --</option>
                        {% endif %}
                        {% for option in rel.options %}
                        <option value="{{ option.id }}" {% if option.selected %}selected{% endif %}>
                            {{ option.label }}
                        </option>
                        {% endfor %}
                    </select>
                </div>
                {% endfor %}
            </div>
            {% endif %}

            <!-- SEO設定 (折りたたみ) -->
            {% set has_seo_fields = namespace(value=false) %}
            {% for field in content_type.fields %}
                {% if not field.admin_hidden and field.sidebar and field.name.startswith('seo_') %}
                    {% set has_seo_fields.value = true %}
                {% endif %}
            {% endfor %}

            {% if has_seo_fields.value %}
            <details class="card sidebar-card sidebar-collapsible">
                <summary class="sidebar-title">SEO設定</summary>
                <div class="sidebar-content">
                    {% for field in content_type.fields %}
                        {% if not field.admin_hidden and field.sidebar and field.name.startswith('seo_') %}
                            {{ render_field(field, entity) }}
                        {% endif %}
                    {% endfor %}
                </div>
            </details>
            {% endif %}

            <!-- OG設定 (折りたたみ) -->
            {% set has_og_fields = namespace(value=false) %}
            {% for field in content_type.fields %}
                {% if not field.admin_hidden and field.sidebar and field.name.startswith('og_') %}
                    {% set has_og_fields.value = true %}
                {% endif %}
            {% endfor %}

            {% if has_og_fields.value %}
            <details class="card sidebar-card sidebar-collapsible">
                <summary class="sidebar-title">SNS設定</summary>
                <div class="sidebar-content">
                    {% for field in content_type.fields %}
                        {% if not field.admin_hidden and field.sidebar and field.name.startswith('og_') %}
                            {{ render_field(field, entity) }}
                        {% endif %}
                    {% endfor %}
                </div>
            </details>
            {% endif %}

            <!-- その他のサイドバーフィールド -->
            {% set other_sidebar_fields = [] %}
            {% for field in content_type.fields %}
                {% if not field.admin_hidden and field.sidebar and field.name not in ['status', 'published_at', 'featured_image'] and not field.name.startswith('seo_') and not field.name.startswith('og_') %}
                    {% set _ = other_sidebar_fields.append(field) %}
                {% endif %}
            {% endfor %}

            {% if other_sidebar_fields %}
            <div class="card sidebar-card">
                <h4 class="sidebar-title">その他</h4>
                {% for field in other_sidebar_fields %}
                    {{ render_field(field, entity) }}
                {% endfor %}
            </div>
            {% endif %}
        </div>
    </div>
</form>

{% if entity %}
<!-- Revision History Panel -->
<div id="revisions-panel" class="revisions-panel" style="display: none;">
    <div class="revisions-header">
        <h3>Version History</h3>
        <button type="button" class="btn-close" onclick="toggleRevisions()">&times;</button>
    </div>
    <div class="revisions-list" id="revisions-list">
        <p class="text-muted">Loading...</p>
    </div>
</div>
{% endif %}

<style>
/* === 2カラムレイアウト (B3) === */
.entity-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.form-header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.form-header-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 1.5rem;
    align-items: start;
}

@media (max-width: 1024px) {
    .form-layout {
        grid-template-columns: 1fr;
    }
    .form-sidebar {
        order: -1;
    }
}

.form-main .card {
    padding: 1.5rem;
}

.form-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: sticky;
    top: 4rem;
}

.sidebar-card {
    padding: 1rem;
}

.sidebar-card .form-group {
    margin-bottom: 0.75rem;
}

.sidebar-card .form-group:last-child {
    margin-bottom: 0;
}

.sidebar-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 0.75rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.sidebar-collapsible {
    cursor: pointer;
}

.sidebar-collapsible summary {
    list-style: none;
    cursor: pointer;
}

.sidebar-collapsible summary::-webkit-details-marker {
    display: none;
}

.sidebar-collapsible summary::after {
    content: '+';
    float: right;
    font-size: 1.25rem;
    line-height: 1;
    color: var(--text-muted);
}

.sidebar-collapsible[open] summary::after {
    content: '−';
}

.sidebar-collapsible .sidebar-content {
    padding-top: 0.75rem;
}

/* メディアプレビュー */
.media-preview {
    margin-bottom: 0.5rem;
}

.media-preview img {
    max-width: 100%;
    max-height: 150px;
    border-radius: 0.25rem;
    border: 1px solid var(--border);
}

/* チェックボックスラベル */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input {
    width: auto;
}

.checkbox-label span {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* === Autosave Status === */
.autosave-status {
    font-size: 0.75rem;
    color: var(--text-muted);
}
.autosave-status.saving {
    color: var(--warning);
}
.autosave-status.saved {
    color: var(--success);
}
.autosave-status.error {
    color: var(--error);
}

/* === Revisions Panel === */
.revisions-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 400px;
    height: 100vh;
    background: var(--card);
    border-left: 1px solid var(--border);
    z-index: 1000;
    box-shadow: -4px 0 16px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
}
.revisions-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}
.revisions-header h3 {
    margin: 0;
}
.btn-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
}
.btn-close:hover {
    color: var(--text);
}
.revisions-list {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}
.revision-item {
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all 0.15s;
}
.revision-item:hover {
    border-color: var(--primary);
    background: rgba(var(--primary-rgb), 0.05);
}
.revision-item .revision-title {
    font-weight: 500;
    margin-bottom: 0.25rem;
}
.revision-item .revision-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}
.revision-item .revision-type {
    display: inline-block;
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-size: 0.625rem;
    font-weight: 500;
    text-transform: uppercase;
}
.revision-type.manual { background: var(--info); color: white; }
.revision-type.publish { background: var(--success); color: white; }
.revision-type.autosave { background: var(--warning); color: white; }

/* === Editor Preview (105) === */
.ep-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    padding: 0.5rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 0.5rem 0.5rem 0 0;
}
.ep-layout-group, .ep-device-group {
    display: flex;
    gap: 0.25rem;
}
.ep-layout-btn, .ep-device-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: 1px solid var(--border);
    background: var(--card);
    border-radius: 0.25rem;
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.15s;
}
.ep-layout-btn:hover, .ep-device-btn:hover {
    background: var(--bg);
    color: var(--text);
}
.ep-layout-btn.active, .ep-device-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}
.ep-wrapper {
    display: grid;
    gap: 1rem;
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 0.5rem 0.5rem;
    overflow: visible;
}
.ep-wrapper[data-layout="editor-only"] {
    grid-template-columns: 1fr;
}
.ep-wrapper[data-layout="split"] {
    grid-template-columns: 1fr 1fr;
}
.ep-wrapper[data-layout="preview-only"] {
    grid-template-columns: 1fr;
}
.ep-wrapper[data-layout="editor-only"] .ep-preview {
    display: none;
}
.ep-wrapper[data-layout="preview-only"] .ep-editor {
    display: none;
}
.ep-editor {
    min-height: 400px;
}
.ep-preview {
    background: #f5f5f5;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 1rem;
    min-height: 400px;
}
.ep-iframe {
    background: white;
    border: 1px solid var(--border);
    border-radius: 0.25rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    width: 100%;
    height: 600px;
    transition: max-width 0.3s ease;
}
.ep-iframe[data-device="desktop"] {
    max-width: 100%;
}
.ep-iframe[data-device="tablet"] {
    max-width: 768px;
}
.ep-iframe[data-device="mobile"] {
    max-width: 375px;
}

/* === Form Builder Styles === */
.form-builder {
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background: var(--bg);
}
.form-builder-toolbar {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
    background: var(--card);
    border-radius: 0.5rem 0.5rem 0 0;
}
.form-builder-list {
    list-style: none;
    padding: 0.75rem;
    margin: 0;
    min-height: 100px;
}
.form-builder-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    margin-bottom: 0.5rem;
}
.form-builder-item:last-child {
    margin-bottom: 0;
}
.form-builder-item.sortable-ghost {
    opacity: 0.4;
}
.form-builder-item.sortable-chosen {
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.form-builder-drag {
    cursor: grab;
    color: var(--text-muted);
    font-size: 1rem;
}
.form-builder-drag:active {
    cursor: grabbing;
}
.form-builder-info {
    flex: 1;
    min-width: 0;
}
.form-builder-label {
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.form-builder-label .required-badge {
    font-size: 0.625rem;
    padding: 0.125rem 0.375rem;
    background: var(--error);
    color: white;
    border-radius: 0.25rem;
    text-transform: uppercase;
}
.form-builder-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}
.form-builder-type {
    display: inline-block;
    padding: 0.125rem 0.375rem;
    background: var(--bg);
    border-radius: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}
.form-builder-actions {
    display: flex;
    gap: 0.5rem;
}
.form-builder-empty {
    padding: 2rem;
    text-align: center;
}

/* Options Editor */
.option-row {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    align-items: center;
}
.option-row input {
    flex: 1;
}
.option-row .btn-icon {
    padding: 0.375rem;
    background: none;
    border: 1px solid var(--border);
    border-radius: 0.25rem;
    cursor: pointer;
    color: var(--text-muted);
}
.option-row .btn-icon:hover {
    background: var(--error);
    border-color: var(--error);
    color: white;
}

/* Modal body padding */
.modal-body {
    padding: 1.5rem;
}
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
}

/* === Step Builder Styles === */
.step-builder {
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background: var(--bg);
}
.step-builder-toolbar {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
    background: var(--card);
    border-radius: 0.5rem 0.5rem 0 0;
}
.step-builder-list {
    list-style: none;
    padding: 0.75rem;
    margin: 0;
    min-height: 60px;
}
.step-builder-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    margin-bottom: 0.5rem;
}
.step-builder-item:last-child {
    margin-bottom: 0;
}
.step-builder-item.sortable-ghost {
    opacity: 0.4;
}
.step-builder-item.sortable-chosen {
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.step-builder-drag {
    cursor: grab;
    color: var(--text-muted);
    font-size: 1rem;
}
.step-builder-drag:active {
    cursor: grabbing;
}
.step-builder-info {
    flex: 1;
    min-width: 0;
}
.step-builder-title {
    font-weight: 500;
}
.step-builder-fields {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}
.step-builder-actions {
    display: flex;
    gap: 0.5rem;
}
.step-builder-empty {
    padding: 1.5rem;
    text-align: center;
}
.step-fields-selector {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    padding: 0.5rem;
}
.step-field-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.5rem;
    border-radius: 0.25rem;
    cursor: pointer;
}
.step-field-option:hover {
    background: var(--bg);
}
.step-field-option input {
    width: auto;
}
</style>

{% set has_blocks = namespace(value=false) %}
{% for field in content_type.fields %}
    {% if field.type == 'blocks' %}
        {% set has_blocks.value = true %}
    {% endif %}
{% endfor %}

{% if has_blocks.value %}
{% include "admin/components/editor.html" %}
{% endif %}

<script>
// Unsaved changes warning
(function() {
    console.log('[DEBUG] Script started');
    const form = document.querySelector('form');
    console.log('[DEBUG] form element:', form);
    if (!form) {
        console.log('[DEBUG] form not found, returning');
        return;
    }

    let formChanged = false;
    let isSubmitting = false;

    // Track changes on all form inputs
    form.addEventListener('input', function() {
        formChanged = true;
    });

    form.addEventListener('change', function() {
        formChanged = true;
    });

    // フォーム送信（onChangeで既にhidden inputに値が入っているのでそのまま送信）
    form.addEventListener('submit', function(e) {
        isSubmitting = true;
    });

    // Warning before leaving page
    window.addEventListener('beforeunload', function(e) {
        if (formChanged && !isSubmitting) {
            e.preventDefault();
            e.returnValue = 'You have unsaved changes. Are you sure you want to leave?';
            return e.returnValue;
        }
    });

    // Handle cancel button clicks
    document.querySelectorAll('a.btn-secondary').forEach(function(btn) {
        btn.addEventListener('click', function(e) {
            if (formChanged) {
                if (!confirm('You have unsaved changes. Are you sure you want to leave?')) {
                    e.preventDefault();
                }
            }
        });
    });

    // Ctrl+S / Cmd+S to save (104)
    document.addEventListener('keydown', function(e) {
        if ((e.ctrlKey || e.metaKey) && e.key === 's') {
            e.preventDefault();
            saveEditorsAndSubmit();
        }
    });
})();

{% if entity %}
// Autosave functionality
(function() {
    const AUTOSAVE_INTERVAL = 30000; // 30 seconds
    const entityId = '{{ entity.id }}';
    const statusEl = document.getElementById('autosave-status');
    let lastSavedData = null;

    function getFormData() {
        const form = document.querySelector('form');
        const formData = new FormData(form);
        const data = {};
        for (const [key, value] of formData.entries()) {
            if (!key.startsWith('csrf_') && !key.startsWith('rel_')) {
                data[key] = value;
            }
        }
        return data;
    }

    function showStatus(message, type) {
        if (statusEl) {
            statusEl.textContent = message;
            statusEl.className = 'autosave-status ' + type;
        }
    }

    async function autosave() {
        // Editor.jsのデータを先に保存してhidden inputを更新
        if (window.editors) {
            for (const [fieldName, editor] of Object.entries(window.editors)) {
                try {
                    const data = await editor.save();
                    const input = document.getElementById(fieldName);
                    if (input) {
                        input.value = JSON.stringify(data);
                    }
                } catch (e) {
                    console.error('Autosave: Failed to save editor:', fieldName, e);
                }
            }
        }

        const currentData = getFormData();
        const dataStr = JSON.stringify(currentData);

        // Skip if no changes
        if (dataStr === lastSavedData) return;

        showStatus('Saving...', 'saving');

        try {
            const response = await fetch('/api/revisions/autosave', {
                method: 'POST',
                headers: { 'Content-Type': 'application/json' },
                body: JSON.stringify({
                    entity_id: entityId,
                    data: currentData
                })
            });

            if (response.ok) {
                lastSavedData = dataStr;
                const now = new Date().toLocaleTimeString();
                showStatus('Autosaved at ' + now, 'saved');
            } else {
                showStatus('Autosave failed', 'error');
            }
        } catch (error) {
            showStatus('Autosave failed', 'error');
        }
    }

    // Start autosave timer
    setInterval(autosave, AUTOSAVE_INTERVAL);

    // Initial save of current state
    lastSavedData = JSON.stringify(getFormData());
})();

// Revision history
function toggleRevisions() {
    const panel = document.getElementById('revisions-panel');
    if (panel.style.display === 'none') {
        panel.style.display = 'flex';
        loadRevisions();
    } else {
        panel.style.display = 'none';
    }
}

async function loadRevisions() {
    const entityId = '{{ entity.id }}';
    const list = document.getElementById('revisions-list');

    try {
        const response = await fetch('/api/revisions/' + entityId + '?include_autosaves=true&limit=30');
        const data = await response.json();

        if (data.revisions.length === 0) {
            list.innerHTML = '<p class="text-muted">No revision history yet.</p>';
            return;
        }

        list.innerHTML = data.revisions.map(function(rev) {
            const date = new Date(rev.created_at).toLocaleString();
            return `
                <div class="revision-item" onclick="restoreRevision('${rev.id}')">
                    <div class="revision-title">${rev.title || 'Untitled'}</div>
                    <div class="revision-meta">
                        <span class="revision-type ${rev.revision_type}">${rev.revision_type}</span>
                        ${date}
                    </div>
                </div>
            `;
        }).join('');
    } catch (error) {
        list.innerHTML = '<p class="text-muted">Failed to load revisions.</p>';
    }
}

async function restoreRevision(revisionId) {
    if (!confirm('Restore this version? Current changes will be saved as a revision first.')) {
        return;
    }

    const entityId = '{{ entity.id }}';

    try {
        const response = await fetch('/api/revisions/' + entityId + '/restore', {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify({ revision_id: revisionId })
        });

        if (response.ok) {
            showToast('Revision restored. Reloading...', 'success');
            setTimeout(function() {
                window.location.reload();
            }, 1000);
        } else {
            showToast('Failed to restore revision', 'error');
        }
    } catch (error) {
        showToast('Failed to restore revision', 'error');
    }
}
{% endif %}
</script>

{# Load SortableJS for form builder #}
{% if type_name == 'form' %}
<script src="https://cdn.jsdelivr.net/npm/sortablejs@1.15.0/Sortable.min.js"></script>
{% endif %}

<script>
// === Form Builder ===
const FormBuilder = (function() {
    let fields = [];
    const typeLabels = {
        text: 'テキスト',
        email: 'メール',
        tel: '電話番号',
        textarea: 'テキストエリア',
        select: 'セレクト',
        radio: 'ラジオ',
        checkbox: 'チェックボックス'
    };

    function init() {
        const input = document.getElementById('fields_config');
        if (!input) return;

        // Parse existing data
        try {
            const data = JSON.parse(input.value || '[]');
            fields = Array.isArray(data) ? data : [];
        } catch (e) {
            console.error('Failed to parse fields_config:', e);
            fields = [];
        }

        render();
        initSortable();
    }

    function initSortable() {
        const list = document.getElementById('form-builder-list');
        if (!list || typeof Sortable === 'undefined') return;

        new Sortable(list, {
            animation: 150,
            handle: '.form-builder-drag',
            ghostClass: 'sortable-ghost',
            chosenClass: 'sortable-chosen',
            onEnd: function() {
                // Reorder fields based on DOM order
                const items = list.querySelectorAll('.form-builder-item');
                const newFields = [];
                items.forEach(item => {
                    const index = parseInt(item.dataset.index);
                    if (fields[index]) {
                        newFields.push(fields[index]);
                    }
                });
                fields = newFields;
                save();
                render();
            }
        });
    }

    function render() {
        const list = document.getElementById('form-builder-list');
        const empty = document.getElementById('form-builder-empty');
        if (!list) return;

        if (fields.length === 0) {
            list.innerHTML = '';
            if (empty) empty.style.display = 'block';
            return;
        }

        if (empty) empty.style.display = 'none';

        list.innerHTML = fields.map((field, index) => `
            <li class="form-builder-item" data-index="${index}">
                <span class="form-builder-drag">&#9776;</span>
                <div class="form-builder-info">
                    <div class="form-builder-label">
                        ${escapeHtml(field.label || field.name)}
                        ${field.required ? '<span class="required-badge">必須</span>' : ''}
                    </div>
                    <div class="form-builder-meta">
                        <span class="form-builder-type">${typeLabels[field.type] || field.type}</span>
                        <span style="margin-left: 0.5rem; opacity: 0.7;">${escapeHtml(field.name)}</span>
                    </div>
                </div>
                <div class="form-builder-actions">
                    <button type="button" class="btn btn-secondary btn-sm" onclick="FormBuilder.editField(${index})">編集</button>
                    <button type="button" class="btn btn-danger btn-sm" onclick="FormBuilder.deleteField(${index})">削除</button>
                </div>
            </li>
        `).join('');

        // Re-init sortable after render
        initSortable();
    }

    function escapeHtml(str) {
        if (!str) return '';
        return str.replace(/&/g, '&amp;')
                  .replace(/</g, '&lt;')
                  .replace(/>/g, '&gt;')
                  .replace(/"/g, '&quot;');
    }

    function save() {
        const input = document.getElementById('fields_config');
        if (input) {
            input.value = JSON.stringify(fields);
        }
    }

    function showAddModal() {
        document.getElementById('field-modal-title').textContent = 'フィールド追加';
        document.getElementById('field-edit-index').value = '-1';
        resetModalForm();
        document.getElementById('field-modal').style.display = 'flex';
    }

    function editField(index) {
        const field = fields[index];
        if (!field) return;

        document.getElementById('field-modal-title').textContent = 'フィールド編集';
        document.getElementById('field-edit-index').value = index;

        document.getElementById('field-name').value = field.name || '';
        document.getElementById('field-label').value = field.label || '';
        document.getElementById('field-type').value = field.type || 'text';
        document.getElementById('field-required').checked = !!field.required;
        document.getElementById('field-placeholder').value = field.placeholder || '';
        document.getElementById('field-hint').value = field.hint || '';
        document.getElementById('field-checkbox-label').value = field.checkbox_label || '';

        toggleOptionsEditor();

        // Load options
        if (field.options && field.options.length > 0) {
            const optionsList = document.getElementById('options-list');
            optionsList.innerHTML = '';
            field.options.forEach(opt => {
                const value = typeof opt === 'object' ? opt.value : opt;
                const label = typeof opt === 'object' ? opt.label : opt;
                addOptionRow(value, label);
            });
        }

        document.getElementById('field-modal').style.display = 'flex';
    }

    function resetModalForm() {
        document.getElementById('field-name').value = '';
        document.getElementById('field-label').value = '';
        document.getElementById('field-type').value = 'text';
        document.getElementById('field-required').checked = false;
        document.getElementById('field-placeholder').value = '';
        document.getElementById('field-hint').value = '';
        document.getElementById('field-checkbox-label').value = '';
        document.getElementById('options-list').innerHTML = '';
        toggleOptionsEditor();
    }

    function hideModal() {
        document.getElementById('field-modal').style.display = 'none';
    }

    function toggleOptionsEditor() {
        const type = document.getElementById('field-type').value;
        const optionsEditor = document.getElementById('options-editor');
        const checkboxLabelGroup = document.getElementById('field-checkbox-label-group');

        if (type === 'select' || type === 'radio') {
            optionsEditor.style.display = 'block';
        } else {
            optionsEditor.style.display = 'none';
        }

        if (type === 'checkbox') {
            checkboxLabelGroup.style.display = 'block';
        } else {
            checkboxLabelGroup.style.display = 'none';
        }
    }

    function addOption(value, label) {
        addOptionRow(value || '', label || '');
    }

    function addOptionRow(value, label) {
        const list = document.getElementById('options-list');
        const row = document.createElement('div');
        row.className = 'option-row';
        row.innerHTML = `
            <input type="text" class="form-input option-value" placeholder="値" value="${escapeHtml(value)}">
            <input type="text" class="form-input option-label" placeholder="表示名" value="${escapeHtml(label)}">
            <button type="button" class="btn-icon" onclick="this.parentElement.remove()">&times;</button>
        `;
        list.appendChild(row);
    }

    function saveField() {
        const name = document.getElementById('field-name').value.trim();
        if (!name) {
            alert('フィールド名は必須です');
            return;
        }

        // Validate field name format
        if (!/^[a-z0-9_]+$/.test(name)) {
            alert('フィールド名は英小文字、数字、アンダースコアのみ使用できます');
            return;
        }

        const editIndex = parseInt(document.getElementById('field-edit-index').value);
        const type = document.getElementById('field-type').value;

        // Check for duplicate names (except when editing same field)
        const isDuplicate = fields.some((f, i) => f.name === name && i !== editIndex);
        if (isDuplicate) {
            alert('同じフィールド名が既に存在します');
            return;
        }

        const field = {
            name: name,
            type: type,
            label: document.getElementById('field-label').value.trim() || name,
            required: document.getElementById('field-required').checked
        };

        const placeholder = document.getElementById('field-placeholder').value.trim();
        if (placeholder) field.placeholder = placeholder;

        const hint = document.getElementById('field-hint').value.trim();
        if (hint) field.hint = hint;

        if (type === 'checkbox') {
            const checkboxLabel = document.getElementById('field-checkbox-label').value.trim();
            if (checkboxLabel) field.checkbox_label = checkboxLabel;
        }

        // Collect options for select/radio
        if (type === 'select' || type === 'radio') {
            const options = [];
            document.querySelectorAll('#options-list .option-row').forEach(row => {
                const value = row.querySelector('.option-value').value.trim();
                const label = row.querySelector('.option-label').value.trim();
                if (value) {
                    options.push({ value: value, label: label || value });
                }
            });
            if (options.length > 0) {
                field.options = options;
            }
        }

        if (editIndex >= 0) {
            fields[editIndex] = field;
        } else {
            fields.push(field);
        }

        save();
        render();
        hideModal();
    }

    function deleteField(index) {
        if (!confirm('このフィールドを削除しますか？')) return;
        fields.splice(index, 1);
        save();
        render();
    }

    // Initialize on DOM ready
    document.addEventListener('DOMContentLoaded', init);

    // Close modal on escape
    document.addEventListener('keydown', function(e) {
        if (e.key === 'Escape') {
            const modal = document.getElementById('field-modal');
            if (modal && modal.style.display === 'flex') {
                hideModal();
            }
        }
    });

    return {
        showAddModal,
        editField,
        deleteField,
        hideModal,
        toggleOptionsEditor,
        addOption,
        saveField,
        getFields: function() { return fields; }
    };
})();

// === Step Builder ===
const StepBuilder = (function() {
    let steps = [];

    function init() {
        const input = document.getElementById('steps');
        if (!input) return;

        // Parse existing data
        try {
            const data = JSON.parse(input.value || '[]');
            steps = Array.isArray(data) ? data : [];
        } catch (e) {
            console.error('Failed to parse steps:', e);
            steps = [];
        }

        render();
        initSortable();
    }

    function initSortable() {
        const list = document.getElementById('step-builder-list');
        if (!list || typeof Sortable === 'undefined') return;

        new Sortable(list, {
            animation: 150,
            handle: '.step-builder-drag',
            ghostClass: 'sortable-ghost',
            chosenClass: 'sortable-chosen',
            onEnd: function() {
                const items = list.querySelectorAll('.step-builder-item');
                const newSteps = [];
                items.forEach(item => {
                    const index = parseInt(item.dataset.index);
                    if (steps[index]) {
                        newSteps.push(steps[index]);
                    }
                });
                steps = newSteps;
                save();
                render();
            }
        });
    }

    function render() {
        const list = document.getElementById('step-builder-list');
        const empty = document.getElementById('step-builder-empty');
        if (!list) return;

        if (steps.length === 0) {
            list.innerHTML = '';
            if (empty) empty.style.display = 'block';
            return;
        }

        if (empty) empty.style.display = 'none';

        list.innerHTML = steps.map((step, index) => {
            const fieldLabels = getFieldLabels(step.fields || []);
            return `
                <li class="step-builder-item" data-index="${index}">
                    <span class="step-builder-drag">&#9776;</span>
                    <div class="step-builder-info">
                        <div class="step-builder-title">ステップ${index + 1}: ${escapeHtml(step.title)}</div>
                        <div class="step-builder-fields">フィールド: ${fieldLabels || '(なし)'}</div>
                    </div>
                    <div class="step-builder-actions">
                        <button type="button" class="btn btn-secondary btn-sm" onclick="StepBuilder.editStep(${index})">編集</button>
                        <button type="button" class="btn btn-danger btn-sm" onclick="StepBuilder.deleteStep(${index})">削除</button>
                    </div>
                </li>
            `;
        }).join('');

        initSortable();
    }

    function getFieldLabels(fieldNames) {
        if (!fieldNames || fieldNames.length === 0) return '';
        const fields = typeof FormBuilder !== 'undefined' ? FormBuilder.getFields() : [];
        return fieldNames.map(name => {
            const field = fields.find(f => f.name === name);
            return field ? (field.label || field.name) : name;
        }).join(', ');
    }

    function escapeHtml(str) {
        if (!str) return '';
        return str.replace(/&/g, '&amp;')
                  .replace(/</g, '&lt;')
                  .replace(/>/g, '&gt;')
                  .replace(/"/g, '&quot;');
    }

    function save() {
        const input = document.getElementById('steps');
        if (input) {
            input.value = JSON.stringify(steps);
        }
    }

    function showAddModal() {
        document.getElementById('step-modal-title').textContent = 'ステップ追加';
        document.getElementById('step-edit-index').value = '-1';
        document.getElementById('step-title').value = '';
        renderFieldSelector([]);
        document.getElementById('step-modal').style.display = 'flex';
    }

    function editStep(index) {
        const step = steps[index];
        if (!step) return;

        document.getElementById('step-modal-title').textContent = 'ステップ編集';
        document.getElementById('step-edit-index').value = index;
        document.getElementById('step-title').value = step.title || '';
        renderFieldSelector(step.fields || []);
        document.getElementById('step-modal').style.display = 'flex';
    }

    function renderFieldSelector(selectedFields) {
        const selector = document.getElementById('step-fields-selector');
        const noFields = document.getElementById('step-no-fields');
        const fields = typeof FormBuilder !== 'undefined' ? FormBuilder.getFields() : [];

        if (fields.length === 0) {
            selector.innerHTML = '<p class="text-muted">先にフィールドを追加してください</p>';
            return;
        }

        selector.innerHTML = fields.map(field => {
            const checked = selectedFields.includes(field.name) ? 'checked' : '';
            return `
                <label class="step-field-option">
                    <input type="checkbox" value="${escapeHtml(field.name)}" ${checked}>
                    <span>${escapeHtml(field.label || field.name)}</span>
                </label>
            `;
        }).join('');
    }

    function hideModal() {
        document.getElementById('step-modal').style.display = 'none';
    }

    function saveStep() {
        const title = document.getElementById('step-title').value.trim();
        if (!title) {
            alert('ステップタイトルは必須です');
            return;
        }

        const editIndex = parseInt(document.getElementById('step-edit-index').value);

        // Collect selected fields
        const selectedFields = [];
        document.querySelectorAll('#step-fields-selector input[type="checkbox"]:checked').forEach(cb => {
            selectedFields.push(cb.value);
        });

        const step = {
            title: title,
            fields: selectedFields
        };

        if (editIndex >= 0) {
            steps[editIndex] = step;
        } else {
            steps.push(step);
        }

        save();
        render();
        hideModal();
    }

    function deleteStep(index) {
        if (!confirm('このステップを削除しますか？')) return;
        steps.splice(index, 1);
        save();
        render();
    }

    // Initialize on DOM ready
    document.addEventListener('DOMContentLoaded', init);

    // Close modal on escape
    document.addEventListener('keydown', function(e) {
        if (e.key === 'Escape') {
            const modal = document.getElementById('step-modal');
            if (modal && modal.style.display === 'flex') {
                hideModal();
            }
        }
    });

    return {
        showAddModal,
        editStep,
        deleteStep,
        hideModal,
        saveStep
    };
})();
</script>
{% endblock %}