{% extends base_template %}{% load static i18n %}

{% block extracss %}
<style>
    :root {
        --green: #22C55E;
        --green-light: #F0FDF4;
        --green-border: #86EFAC;
        --blue: #3B82F6;
        --blue-light: #EFF6FF;
        --orange: #F97316;
        --orange-light: #FFF7ED;
        --red: #EF4444;
        --red-light: #FEF2F2;
        --purple: #8B5CF6;
        --purple-light: #F5F3FF;
        --gray-50: #F8FAFC;
        --gray-100: #F1F5F9;
        --gray-200: #E5E7EB;
        --gray-300: #D1D5DB;
        --gray-400: #9CA3AF;
        --gray-500: #6B7280;
        --gray-600: #4B5563;
        --gray-700: #374151;
        --gray-800: #1F2937;
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 16px;
        --radius-xl: 20px;
        --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
        --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
        --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
    }

    .lm-page {
        min-height: calc(100vh - 120px);
        padding: 28px 0;
    }

    .lm-page-header {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        margin-bottom: 28px;
    }

    .lm-page-header h1 {
        font-size: 26px;
        font-weight: 700;
        color: var(--gray-800);
        margin: 0 0 4px 0;
        letter-spacing: -0.3px;
    }

    .lm-page-header p {
        font-size: 14px;
        color: var(--gray-500);
        margin: 0;
    }

    .btn-lm-primary {
        background: var(--green);
        border: none;
        color: white;
        padding: 10px 24px;
        border-radius: 999px;
        font-size: 14px;
        font-weight: 600;
        display: flex;
        align-items: center;
        gap: 8px;
        transition: all 0.2s;
        box-shadow: 0 4px 10px rgba(34, 197, 94, 0.25);
        text-decoration: none;
    }

    .btn-lm-primary:hover {
        background: #16A34A;
        box-shadow: 0 6px 14px rgba(34, 197, 94, 0.3);
        color: white;
    }

    .lm-kpi-row {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
        margin-bottom: 28px;
    }

    .lm-kpi-card {
        background: white;
        border: 1px solid var(--gray-200);
        border-radius: var(--radius-lg);
        padding: 20px;
        display: flex;
        align-items: center;
        gap: 16px;
        transition: all 0.2s;
        box-shadow: var(--shadow-sm);
    }

    .lm-kpi-card:hover {
        box-shadow: var(--shadow-md);
        border-color: var(--gray-300);
    }

    .lm-kpi-icon {
        width: 48px;
        height: 48px;
        border-radius: var(--radius-md);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        flex-shrink: 0;
    }

    .lm-kpi-icon.blue { background: var(--blue-light); color: var(--blue); }
    .lm-kpi-icon.green { background: var(--green-light); color: var(--green); }
    .lm-kpi-icon.orange { background: var(--orange-light); color: var(--orange); }
    .lm-kpi-icon.red { background: var(--red-light); color: var(--red); }

    .lm-kpi-info h3 {
        font-size: 22px;
        font-weight: 700;
        color: var(--gray-800);
        margin: 0;
        line-height: 1.1;
    }

    .lm-kpi-info span {
        font-size: 13px;
        color: var(--gray-500);
    }

    .lm-filters {
        display: flex;
        gap: 12px;
        margin-bottom: 20px;
        align-items: center;
    }

    .lm-search-wrap {
        position: relative;
        flex: 1;
        min-width: 340px;
        max-width: 340px;
    }

    .lm-search-wrap i {
        position: absolute;
        left: 14px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--gray-400);
        font-size: 15px;
    }

    .lm-search-wrap input {
        width: 100%;
        padding: 10px 14px 10px 40px;
        border: 1px solid var(--gray-200);
        border-radius: 999px;
        font-size: 14px;
        color: var(--gray-700);
        background: white;
        outline: none;
        transition: all 0.2s;
        box-shadow: var(--shadow-sm);
    }

    .lm-search-wrap input:focus {
        border-color: var(--green);
        box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.12);
    }

    .lm-search-wrap input::placeholder {
        color: var(--gray-400);
    }

    .lm-filter-select {
        padding: 10px 36px 10px 14px;
        border: 1px solid var(--gray-200);
        border-radius: 999px;
        font-size: 14px;
        color: var(--gray-600);
        background: white url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;
        appearance: none;
        cursor: pointer;
        outline: none;
        transition: all 0.2s;
        box-shadow: var(--shadow-sm);
        min-width: 140px;
    }

    .lm-filter-select:focus {
        border-color: var(--green);
        box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.12);
    }

    .lm-table-card {
        background: white;
        border: 1px solid var(--gray-200);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-sm);
        overflow: hidden;
    }

    .lm-table-wrap {
        overflow-x: auto;
    }

    .lm-table {
        width: 100%;
        border-collapse: collapse;
    }

    .lm-table thead th {
        padding: 14px 20px;
        font-size: 11px;
        font-weight: 600;
        color: var(--gray-500);
        text-transform: uppercase;
        letter-spacing: 0.5px;
        text-align: left;
        border-bottom: 1px solid var(--gray-200);
        background: var(--gray-50);
    }

    .lm-table tbody tr {
        border-bottom: 1px solid var(--gray-100);
        transition: background 0.15s;
        cursor: pointer;
    }

    .lm-table tbody tr:last-child {
        border-bottom: none;
    }

    .lm-table tbody tr:hover {
        background: var(--gray-50);
    }

    .lm-table tbody td {
        padding: 16px 20px;
        font-size: 14px;
        color: var(--gray-700);
        vertical-align: middle;
    }

    .lm-title-cell {
        max-width: 260px;
    }

    .lm-title-main {
        font-weight: 600;
        color: var(--gray-800);
        display: block;
        line-height: 1.3;
    }

    .lm-title-sub {
        font-size: 12px;
        color: var(--gray-400);
        display: block;
        margin-top: 2px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        max-width: 260px;
    }

    .lm-badge {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        padding: 4px 10px;
        border-radius: 999px;
        font-size: 12px;
        font-weight: 500;
        white-space: nowrap;
    }

    .lm-badge.article { background: var(--blue-light); color: var(--blue); }
    .lm-badge.video { background: var(--red-light); color: var(--red); }
    .lm-badge.pdf { background: var(--orange-light); color: #D97706; }

    .lm-badge.status-published { color: rgb(26, 138, 95); background: rgb(225, 242, 235); }
    .lm-badge.status-draft { background: var(--orange-light); color: #D97706; }
    .lm-badge.status-archived { background: var(--gray-100); color: var(--gray-500); }

    .lm-role-chip {
        display: inline-block;
        padding: 2px 12px;
        border-radius: 9999px;
        font-size: 12px;
        font-weight: 600;
        background: #EEF4FF;
        color: #3B82F6;
        line-height: 22px;
        margin: 2px 3px;
    }

    .lm-role-chip.facilitator { background: #F0FDF4; color: #16A34A; }

    .lm-role-chip.village_secretary { background: var(--orange-light); color: #D97706; }

    .lm-lang-chip {
        display: inline-block;
        padding: 1px 9px;
        border-radius: 9px;
        font-size: 11px;
        font-weight: 500;
        background: #F3F4F6;
        color: #6B7280;
        line-height: 20px;
        margin: 1px 3px;
    }

    .lm-date {
        font-size: 13px;
        color: var(--gray-500);
        white-space: nowrap;
    }

    .lm-pagination {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 14px 20px;
        border-top: 1px solid var(--gray-200);
    }

    .lm-pagination-info {
        font-size: 13px;
        color: var(--gray-500);
    }

    .lm-pagination-btns {
        display: flex;
        gap: 6px;
    }

    .lm-pagination-btns .btn {
        min-width: 36px;
        height: 36px;
        border-radius: 10px;
        border: 1px solid var(--gray-200);
        background: white;
        color: var(--gray-600);
        font-size: 13px;
        font-weight: 500;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.15s;
        padding: 0 10px;
        cursor: pointer;
    }

    .lm-pagination-btns .btn:hover {
        border-color: var(--gray-300);
        background: var(--gray-50);
    }

    .lm-pagination-btns .btn.active {
        background: var(--green);
        border-color: var(--green);
        color: white;
    }

    .lm-empty {
        padding: 60px 20px;
        text-align: center;
        color: var(--gray-400);
    }

    .lm-empty i {
        font-size: 48px;
        margin-bottom: 12px;
        display: block;
    }

    .lm-empty h4 {
        font-size: 16px;
        font-weight: 600;
        color: var(--gray-600);
        margin: 0 0 4px 0;
    }

    .lm-empty p {
        font-size: 14px;
        margin: 0;
    }

    @media (max-width: 992px) {
        .lm-kpi-row {
            grid-template-columns: repeat(2, 1fr);
        }
        .lm-filters {
            flex-wrap: wrap;
        }
        .lm-search-wrap {
            max-width: 100%;
            flex: 1 1 100%;
        }
    }

    @media (max-width: 576px) {
        .lm-kpi-row {
            grid-template-columns: 1fr;
        }
        .lm-page-header {
            flex-direction: column;
            gap: 16px;
        }
    }
</style>
{% endblock %}

{% block content %}
<div class="lm-page">
    <div class="container">
        <div class="lm-page-header">
            <div>
                <h1>{% translate 'Learning Materials' %}</h1>
                <p>{% translate 'Create and manage training content for citizens, facilitators and village secretaries.' %}</p>
            </div>
            <a href="{{ lm_url_create }}" class="btn btn-lm-primary">
                <i class="fas fa-plus"></i> {% translate 'New material' %}
            </a>
        </div>

        <div class="lm-kpi-row">
            <div class="lm-kpi-card">
                <div class="lm-kpi-icon blue"><i class="fas fa-book"></i></div>
                <div class="lm-kpi-info">
                    <h3>{{ kpi_total }}</h3>
                    <span>{% translate 'Total materials' %}</span>
                </div>
            </div>
            <div class="lm-kpi-card">
                <div class="lm-kpi-icon green"><i class="fas fa-check-circle"></i></div>
                <div class="lm-kpi-info">
                    <h3>{{ kpi_published }}</h3>
                    <span>{% translate 'Published' %}</span>
                </div>
            </div>
            <div class="lm-kpi-card">
                <div class="lm-kpi-icon orange"><i class="fas fa-pen"></i></div>
                <div class="lm-kpi-info">
                    <h3>{{ kpi_drafts }}</h3>
                    <span>{% translate 'Drafts' %}</span>
                </div>
            </div>
            <div class="lm-kpi-card">
                <div class="lm-kpi-icon red"><i class="fas fa-users"></i></div>
                <div class="lm-kpi-info">
                    <h3>{{ kpi_total }}</h3>
                    <span>{% translate 'Target roles' %}</span>
                </div>
            </div>
        </div>

        <div class="lm-filters">
            <div class="lm-search-wrap">
                <i class="fas fa-search"></i>
                <input type="text" id="search" placeholder="{% translate 'Search by title or category...' %}">
            </div>
            <select id="filter-role" class="lm-filter-select">
                <option value="">{% translate 'All roles' %}</option>
                {% for value, label in role_choices %}
                    <option value="{{ value }}">{{ label }}</option>
                {% endfor %}
            </select>
            <select id="filter-status" class="lm-filter-select">
                <option value="">{% translate 'All statuses' %}</option>
                {% for value, label in status_choices %}
                    <option value="{{ value }}">{{ label }}</option>
                {% endfor %}
            </select>
            <select id="filter-category" class="lm-filter-select">
                <option value="">{% translate 'All categories' %}</option>
                {% for value, label in categories %}
                    <option value="{{ value }}">{{ label }}</option>
                {% endfor %}
            </select>
            <select id="filter-type" class="lm-filter-select">
                <option value="">{% translate 'All types' %}</option>
                {% for value, label in content_types %}
                    <option value="{{ value }}">{{ label }}</option>
                {% endfor %}
            </select>
        </div>

        <div class="lm-table-card">
            <div class="lm-table-wrap">
                <table id="learning-materials-table" class="lm-table">
                    <thead>
                        <tr>
                            <th>{% translate 'Title' %}</th>
                            <th>{% translate 'Category' %}</th>
                            <th>{% translate 'Type' %}</th>
                            <th>{% translate 'Target Roles' %}</th>
                            <th>{% translate 'Languages' %}</th>
                            <th>{% translate 'Status' %}</th>
                            <th>{% translate 'Updated' %}</th>
                        </tr>
                    </thead>
                    <tbody></tbody>
                </table>
            </div>
            <div class="lm-pagination" id="lmPagination">
                <div class="lm-pagination-info" id="lmPageInfo"></div>
                <div class="lm-pagination-btns" id="lmPageBtns"></div>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block javascript %}
{{ block.super }}
<script>
    $(document).ready(function () {
        var table = $('#learning-materials-table').DataTable({
            dom: "t",
            processing: true,
            serverSide: true,
            paging: true,
            pagingType: 'full_numbers',
            lengthChange: false,
            pageLength: 10,
            searching: true,
            searchDelay: 400,
            ordering: true,
            order: [[6, 'desc']],
            ajax: {
                url: '{{ lm_url_data }}',
                data: function (d) {
                    d.role = $('#filter-role').val();
                    d.status = $('#filter-status').val();
                    d.category = $('#filter-category').val();
                    d.content_type = $('#filter-type').val();
                },
                error: function () {}
            },
            columns: [
                {
                    data: null,
                    render: function (data, type, row) {
                        return '<span class="lm-title-main">' + row.title + '</span>' +
                            '<span class="lm-title-sub">' + (row.summary_fr || row.summary_en || '') + '</span>';
                    }
                },
                {data: 'category'},
                {
                    data: 'content_type',
                    render: function (data, type, row) {
                        var cls = row.content_type_key || 'article';
                        var icon = 'fa-file-alt';
                        if (cls === 'video') icon = 'fa-video';
                        else if (cls === 'pdf') icon = 'fa-file-pdf';
                        return '<span class="lm-badge ' + cls + '"><i class="fas ' + icon + '"></i>' + data + '</span>';
                    }
                },
                {
                    data: 'roles',
                    orderable: false,
                    render: function (data) {
                        if (!data) return '-';
                        return data;
                    }
                },
                {
                    data: 'languages',
                    orderable: false,
                    render: function (data) {
                        if (!data) return '-';
                        return data;
                    }
                },
                {data: 'status'},
                {
                    data: 'updated',
                    render: function (data) {
                        return '<span class="lm-date">' + data + '</span>';
                    }
                }
            ],
            drawCallback: function (settings) {
                var api = this.api();
                var info = api.page.info();
                var start = info.start + 1;
                var end = info.end;
                var total = info.recordsDisplay;
                $('#lmPageInfo').text('{% translate "Showing" %} ' + start + '\u2013' + end + ' {% translate "of" %} ' + total);

                var btns = '';
                if (info.pages > 1) {
                    btns += '<button class="btn" onclick="table.page(\'first\').draw(\'page\')"><i class="fas fa-angle-double-left"></i></button>';
                    btns += '<button class="btn" onclick="table.page(\'previous\').draw(\'page\')"><i class="fas fa-angle-left"></i></button>';
                    for (var i = Math.max(0, info.page - 2); i < Math.min(info.pages, info.page + 3); i++) {
                        btns += '<button class="btn' + (i === info.page ? ' active' : '') + '" onclick="table.page(' + i + ').draw(\'page\')">' + (i + 1) + '</button>';
                    }
                    btns += '<button class="btn" onclick="table.page(\'next\').draw(\'page\')"><i class="fas fa-angle-right"></i></button>';
                    btns += '<button class="btn" onclick="table.page(\'last\').draw(\'page\')"><i class="fas fa-angle-double-right"></i></button>';
                }
                $('#lmPageBtns').html(btns);
            }
        });

        $('#search').on('keyup', function () {
            table.search($(this).val()).draw();
        });

        $('#filter-role, #filter-status, #filter-category, #filter-type').on('change', function () {
            table.draw();
        });

        $('#learning-materials-table tbody').on('click', 'tr', function () {
            var data = table.row(this).data();
            if (data && data.edit_url) {
                window.location.href = data.edit_url;
            }
        });
    });
</script>
{% endblock %}