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

{% block dashboard_header %}
<div class="flex items-center justify-between">
    <div>
        <h1 class="text-2xl font-bold text-gray-900">{{ 'New Collection' if is_new else 'Edit Collection' }}</h1>
        <p class="mt-1 text-gray-600">{{ 'Create a new tool collection' if is_new else 'Update collection details' }}</p>
    </div>
    <a href="{{ url_for('web.admin_collections') }}" class="text-sm text-indigo-600 hover:text-indigo-700">&larr; Back to Collections</a>
</div>
{% endblock %}

{% block dashboard_content %}
<div class="bg-white rounded-lg border border-gray-200 p-6">
    <form id="collection-form" class="space-y-6">
        <!-- Basic Info -->
        <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
            <div>
                <label for="name" class="block text-sm font-medium text-gray-700">Name (slug)</label>
                <input type="text" id="name" name="name"
                    value="{{ collection.name if collection else '' }}"
                    {% if not is_new %}readonly{% endif %}
                    class="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500 {% if not is_new %}bg-gray-100{% endif %}"
                    placeholder="e.g., writing-toolkit"
                    pattern="[a-z0-9-]+"
                    required>
                <p class="mt-1 text-xs text-gray-500">Lowercase letters, numbers, and hyphens only</p>
            </div>
            <div>
                <label for="display_name" class="block text-sm font-medium text-gray-700">Display Name</label>
                <input type="text" id="display_name" name="display_name"
                    value="{{ collection.display_name if collection else '' }}"
                    class="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500"
                    placeholder="e.g., Writing Toolkit"
                    required>
            </div>
        </div>

        <div>
            <label for="description" class="block text-sm font-medium text-gray-700">Description</label>
            <textarea id="description" name="description" rows="3"
                class="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500"
                placeholder="Describe what this collection is for...">{{ collection.description if collection else '' }}</textarea>
        </div>

        <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
            <div>
                <label for="maintainer" class="block text-sm font-medium text-gray-700">Maintainer</label>
                <input type="text" id="maintainer" name="maintainer"
                    value="{{ collection.maintainer if collection else user.username }}"
                    class="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500"
                    placeholder="e.g., official">
            </div>
            <div>
                <label for="icon" class="block text-sm font-medium text-gray-700">Icon (optional)</label>
                <input type="text" id="icon" name="icon"
                    value="{{ collection.icon if collection else '' }}"
                    class="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500"
                    placeholder="e.g., pencil, code, data">
            </div>
        </div>

        <div>
            <label for="tags" class="block text-sm font-medium text-gray-700">Tags</label>
            <input type="text" id="tags" name="tags"
                value="{{ collection.tags|join(', ') if collection and collection.tags else '' }}"
                class="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500"
                placeholder="e.g., writing, text, productivity">
            <p class="mt-1 text-xs text-gray-500">Comma-separated list of tags</p>
        </div>

        <!-- Tools Section -->
        <div class="border-t border-gray-200 pt-6">
            <div class="flex items-center justify-between mb-4">
                <label class="block text-sm font-medium text-gray-700">Tools</label>
                <button type="button" onclick="addToolRow()" class="text-sm text-indigo-600 hover:text-indigo-700">+ Add Tool</button>
            </div>
            <div id="tools-container" class="space-y-2">
                {% if collection and collection.tools %}
                    {% for tool in collection.tools %}
                    <div class="tool-row flex items-center space-x-2">
                        <input type="text" name="tool" value="{{ tool.owner }}/{{ tool.name }}"
                            class="flex-1 px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500"
                            placeholder="owner/tool-name">
                        <input type="text" name="pinned" value="{{ tool.pinned_version or '' }}"
                            class="w-32 px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500"
                            placeholder="version">
                        <button type="button" onclick="removeToolRow(this)" class="text-red-500 hover:text-red-700 p-2">
                            <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/>
                            </svg>
                        </button>
                    </div>
                    {% endfor %}
                {% else %}
                    <div class="tool-row flex items-center space-x-2">
                        <input type="text" name="tool"
                            class="flex-1 px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500"
                            placeholder="owner/tool-name">
                        <input type="text" name="pinned"
                            class="w-32 px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500"
                            placeholder="version">
                        <button type="button" onclick="removeToolRow(this)" class="text-red-500 hover:text-red-700 p-2">
                            <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/>
                            </svg>
                        </button>
                    </div>
                {% endif %}
            </div>
            <p class="mt-2 text-xs text-gray-500">Enter tool references as owner/name. Version is optional (leave blank for latest).</p>
        </div>

        <!-- Submit -->
        <div class="flex justify-end space-x-4 pt-4 border-t border-gray-200">
            <a href="{{ url_for('web.admin_collections') }}" class="px-4 py-2 text-sm font-medium text-gray-700 hover:text-gray-500">Cancel</a>
            <button type="submit" class="px-4 py-2 bg-indigo-600 text-white text-sm font-medium rounded-md hover:bg-indigo-700">
                {{ 'Create Collection' if is_new else 'Save Changes' }}
            </button>
        </div>
    </form>
</div>

<script>
function addToolRow() {
    const container = document.getElementById('tools-container');
    const row = document.createElement('div');
    row.className = 'tool-row flex items-center space-x-2';
    row.innerHTML = `
        <input type="text" name="tool"
            class="flex-1 px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500"
            placeholder="owner/tool-name">
        <input type="text" name="pinned"
            class="w-32 px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500"
            placeholder="version">
        <button type="button" onclick="removeToolRow(this)" class="text-red-500 hover:text-red-700 p-2">
            <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/>
            </svg>
        </button>
    `;
    container.appendChild(row);
}

function removeToolRow(button) {
    const row = button.closest('.tool-row');
    const container = document.getElementById('tools-container');
    if (container.children.length > 1) {
        row.remove();
    } else {
        // Clear the inputs instead of removing the last row
        row.querySelectorAll('input').forEach(input => input.value = '');
    }
}

document.getElementById('collection-form').addEventListener('submit', async function(e) {
    e.preventDefault();

    const formData = new FormData(this);
    const isNew = {{ 'true' if is_new else 'false' }};
    const collectionName = document.getElementById('name').value;

    // Collect tools and pinned versions
    const toolInputs = document.querySelectorAll('input[name="tool"]');
    const pinnedInputs = document.querySelectorAll('input[name="pinned"]');
    const tools = [];
    const pinned = {};

    toolInputs.forEach((input, index) => {
        const toolRef = input.value.trim();
        if (toolRef && toolRef.includes('/')) {
            tools.push(toolRef);
            const pinnedVersion = pinnedInputs[index].value.trim();
            if (pinnedVersion) {
                pinned[toolRef] = pinnedVersion;
            }
        }
    });

    // Parse tags
    const tagsStr = document.getElementById('tags').value;
    const tags = tagsStr.split(',').map(t => t.trim()).filter(t => t);

    const payload = {
        name: collectionName,
        display_name: document.getElementById('display_name').value,
        description: document.getElementById('description').value,
        maintainer: document.getElementById('maintainer').value,
        icon: document.getElementById('icon').value,
        tools: tools,
        pinned: pinned,
        tags: tags
    };

    try {
        const url = isNew
            ? '/api/v1/admin/collections'
            : `/api/v1/admin/collections/${collectionName}`;
        const method = isNew ? 'POST' : 'PUT';

        const response = await fetch(url, {
            method: method,
            headers: {
                'Authorization': 'Bearer {{ session.get("auth_token") }}',
                'Content-Type': 'application/json'
            },
            body: JSON.stringify(payload)
        });

        const data = await response.json();

        if (response.ok) {
            window.location.href = '{{ url_for("web.admin_collections") }}';
        } else {
            alert(data.error?.message || 'Failed to save collection');
        }
    } catch (error) {
        alert('Network error: ' + error.message);
    }
});
</script>
{% endblock %}