{% extends "base.html" %}

{% block title %}Dashboard - DigiServer v2{% endblock %}

{% block content %}
<h1 style="margin-bottom: 2rem;">Dashboard</h1>

<div style="display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; margin-bottom: 2rem;">
    <div class="card">
        <h3 style="color: #3498db; margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.5rem;">
            <img src="{{ url_for('static', filename='icons/monitor.svg') }}" alt="" style="width: 24px; height: 24px;">
            Players
        </h3>
        <p style="font-size: 2rem; font-weight: bold;">{{ total_players or 0 }}</p>
        <a href="{{ url_for('players.list') }}" class="btn" style="margin-top: 1rem;">View Players</a>
    </div>
    
    <div class="card">
        <h3 style="color: #9b59b6; margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.5rem;">
            <img src="{{ url_for('static', filename='icons/playlist.svg') }}" alt="" style="width: 24px; height: 24px;">
            Playlists
        </h3>
        <p style="font-size: 2rem; font-weight: bold;">{{ total_playlists or 0 }}</p>
        <a href="{{ url_for('content.content_list') }}" class="btn" style="margin-top: 1rem;">Manage Playlists</a>
    </div>
    
    <div class="card">
        <h3 style="color: #e67e22; margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.5rem;">
            <img src="{{ url_for('static', filename='icons/upload.svg') }}" alt="" style="width: 24px; height: 24px;">
            Media Library
        </h3>
        <p style="font-size: 2rem; font-weight: bold;">{{ total_content or 0 }}</p>
        <p class="secondary-text" style="font-size: 0.9rem; margin-top: 0.5rem;">Unique media files</p>
    </div>
    
    <div class="card">
        <h3 style="color: #27ae60; margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.5rem;">
            <img src="{{ url_for('static', filename='icons/info.svg') }}" alt="" style="width: 24px; height: 24px;">
            Storage
        </h3>
        <p style="font-size: 2rem; font-weight: bold;">{{ storage_mb or 0 }} MB</p>
        <p class="secondary-text" style="font-size: 0.9rem; margin-top: 0.5rem;">Total uploads</p>
    </div>
</div>

<div class="dash-grid">
    <!-- ── Main column: where content actually lives ─────────────────────── -->
    <div class="dash-main">
        <div class="card">
            <h2 style="display: flex; align-items: center; justify-content: space-between; gap: 0.5rem;">
                <span style="display: flex; align-items: center; gap: 0.5rem;">
                    <img src="{{ url_for('static', filename='icons/playlist.svg') }}" alt="" style="width: 24px; height: 24px;">
                    Playlist Overview
                </span>
                <a href="{{ url_for('content.content_list') }}" class="btn btn-sm btn-primary">Manage</a>
            </h2>
            <p class="secondary-text" style="font-size: 0.9rem; margin-top: -0.5rem; margin-bottom: 1rem;">
                Pick a playlist to add media to or edit. Players listed here are the devices
                that will show it.
            </p>

            {% if playlist_overview %}
                {% for item in playlist_overview %}
                <div class="playlist-row">
                    <div class="playlist-row-head">
                        <div style="min-width: 0;">
                            <a href="{{ url_for('content.manage_playlist_content', playlist_id=item.playlist.id) }}"
                               class="playlist-name">{{ item.playlist.name }}</a>
                            <div class="secondary-text" style="font-size: 0.82rem; margin-top: 2px;">
                                {{ item.content_count }} item{{ '' if item.content_count == 1 else 's' }}
                                &middot; {{ item.total_duration }}s
                                &middot; v{{ item.playlist.version }}
                                &middot;
                                {% if item.player_count %}
                                    <span style="color: #27ae60; font-weight: 600;">
                                        {{ item.online_count }}/{{ item.player_count }} online
                                    </span>
                                {% else %}
                                    <span style="color: #e67e22; font-weight: 600;">no players</span>
                                {% endif %}
                            </div>
                        </div>
                        <a href="{{ url_for('content.manage_playlist_content', playlist_id=item.playlist.id) }}"
                           class="btn btn-sm">Edit</a>
                    </div>

                    {% if item.players %}
                        <div class="player-chips">
                            {% for player in item.players %}
                            <a href="{{ url_for('players.manage_player', player_id=player.id) }}"
                               class="player-chip {{ 'is-online' if player.is_online else 'is-offline' }}"
                               title="{{ player.name }}{% if player.location %} — {{ player.location }}{% endif %} ({{ 'online' if player.is_online else 'offline' }})">
                                <span class="status-dot"></span>
                                <span class="player-chip-name">{{ player.name }}</span>
                            </a>
                            {% endfor %}
                        </div>
                    {% else %}
                        <p class="empty-hint">
                            No players assigned — content here is not shown on any screen yet.
                            <a href="{{ url_for('players.list') }}">Assign a player &rarr;</a>
                        </p>
                    {% endif %}
                </div>
                {% endfor %}
            {% else %}
                <p class="empty-hint">
                    No playlists yet.
                    <a href="{{ url_for('content.content_list') }}">Create your first playlist &rarr;</a>
                </p>
            {% endif %}

            {% if unassigned_players %}
            <div class="unassigned-note">
                <strong>{{ unassigned_players | length }} player{{ '' if unassigned_players | length == 1 else 's' }}
                not assigned to any playlist:</strong>
                {% for player in unassigned_players %}
                    <a href="{{ url_for('players.manage_player', player_id=player.id) }}">{{ player.name }}</a>{{ ', ' if not loop.last else '' }}
                {% endfor %}
                — these will not display content until a playlist is assigned.
            </div>
            {% endif %}
        </div>

        <!-- Recent Activity sits under Playlist Overview: both describe what
             the server and its players are actually doing. -->
        {% if recent_logs or heartbeat_logs %}
        <div class="card">
            <h2 style="display: flex; align-items: center; justify-content: space-between; gap: 0.5rem;">
                <span>Recent Activity</span>
                <span class="log-tabs">
                    <button type="button" class="log-tab is-active" data-log-tab="activity">
                        Activity <span class="log-count">{{ recent_logs | length }}</span>
                    </button>
                    <button type="button" class="log-tab" data-log-tab="heartbeat">
                        Player heartbeats <span class="log-count">{{ heartbeat_logs | length }}</span>
                    </button>
                </span>
            </h2>

            <div class="log-pane" data-log-pane="activity">
                {% if recent_logs %}
                    {% for log in recent_logs %}
                    <div class="log-item">
                        <span class="log-level" style="color: {% if log.level == 'error' %}#e74c3c{% elif log.level == 'warning' %}#f39c12{% elif log.level == 'debug' %}#718096{% else %}#27ae60{% endif %};">
                            [{{ log.level.upper() }}]
                        </span>
                        <span class="log-message">{{ log.message }}</span>
                        <small class="secondary-text log-time">{{ log.timestamp | localtime('%Y-%m-%d %H:%M:%S') }}</small>
                    </div>
                    {% endfor %}
                {% else %}
                    <p class="empty-hint">No activity recorded yet.</p>
                {% endif %}
            </div>

            <div class="log-pane" data-log-pane="heartbeat" hidden>
                {% if heartbeat_logs %}
                    <p class="empty-hint" style="margin-top: 0;">
                        Routine player status reports — newest first.
                    </p>
                    {% for log in heartbeat_logs %}
                    <div class="log-item">
                        <span class="log-level" style="color: #27ae60;">[{{ log.level.upper() }}]</span>
                        <span class="log-message">{{ log.message }}</span>
                        <small class="secondary-text log-time">{{ log.timestamp | localtime('%Y-%m-%d %H:%M:%S') }}</small>
                    </div>
                    {% endfor %}
                {% else %}
                    <p class="empty-hint">No player heartbeats recorded yet.</p>
                {% endif %}
            </div>
        </div>
        {% endif %}
    </div>

    <!-- ── Right sidebar: small, fixed-width helper cards ─────────────────── -->
    <aside class="dash-side">
        <div class="card card-compact">
            <h3 class="compact-title">Quick Actions</h3>
            <div class="compact-actions">
                <a href="{{ url_for('players.add_player') }}" class="btn btn-sm btn-success compact-btn">
                    <img src="{{ url_for('static', filename='icons/monitor.svg') }}" alt="" class="compact-btn-icon">
                    Add Player
                </a>
                <a href="{{ url_for('content.content_list') }}" class="btn btn-sm btn-success compact-btn">
                    <img src="{{ url_for('static', filename='icons/playlist.svg') }}" alt="" class="compact-btn-icon">
                    Create Playlist
                </a>
                <a href="{{ url_for('content.upload_media_page') }}" class="btn btn-sm btn-success compact-btn">
                    <img src="{{ url_for('static', filename='icons/upload.svg') }}" alt="" class="compact-btn-icon">
                    Upload Media
                </a>
                {% if current_user.is_admin %}
                    <a href="{{ url_for('admin.admin_panel') }}" class="btn btn-sm compact-btn">
                        <img src="{{ url_for('static', filename='icons/info.svg') }}" alt="" class="compact-btn-icon">
                        Admin Panel
                    </a>
                {% endif %}
            </div>
        </div>

        <div class="card card-compact">
            <h3 class="compact-title">
                <img src="{{ url_for('static', filename='icons/info.svg') }}" alt="" style="width: 18px; height: 18px;">
                Workflow Guide
            </h3>
            <div class="workflow-guide">
                <ol>
                    <li><strong>Create a Playlist</strong></li>
                    <li><strong>Upload Media</strong></li>
                    <li><strong>Add Content</strong></li>
                    <li><strong>Add Player</strong></li>
                    <li><strong>Assign Playlist</strong></li>
                    <li><strong>Auto-Download</strong></li>
                </ol>
            </div>
        </div>
    </aside>
</div>

<style>
/* Dashboard two-column layout: main content + narrow right sidebar.
   `minmax(0, 1fr)` keeps long playlist/player names from widening the grid. */
.dash-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 220px;
    gap: 1.5rem;
    align-items: start;
}
.dash-side {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    /* Stick the sidebar while the playlist card scrolls, on tall screens. */
    position: sticky;
    top: 1rem;
}

/* Compact card used by the sidebar widgets. */
.card-compact {
    padding: 0.85rem;
    margin-bottom: 0;
}
.card-compact:hover {
    /* The global .card lift is distracting on small utility cards. */
    transform: none;
}
.compact-title {
    margin: 0 0 0.6rem 0;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.compact-actions {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}
.compact-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    width: 100%;
    padding: 0.45rem 0.6rem;
    font-size: 0.82rem;
    text-align: left;
    justify-content: flex-start;
}
.compact-btn-icon {
    width: 15px;
    height: 15px;
    flex: 0 0 auto;
    filter: brightness(0) invert(1);
}
/* The Admin Panel button keeps the default (non-success) background, so its
   icon must stay in the button's text colour instead of being forced white. */
.compact-btn:not(.btn-success) .compact-btn-icon {
    filter: none;
}
body.dark-mode .compact-btn:not(.btn-success) .compact-btn-icon {
    filter: brightness(0) invert(1);
}

.workflow-guide {
    margin-top: 0.4rem;
    padding: 0.6rem 0.7rem;
    background: var(--bg-color);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}
.workflow-guide ol {
    margin: 0;
    padding-left: 1.2rem;
    line-height: 1.65;
    font-size: 0.82rem;
}

/* ── Playlist overview rows ───────────────────────────────────────────── */
.playlist-row {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}
.playlist-row:last-of-type {
    border-bottom: none;
}
.playlist-row-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}
.playlist-name {
    font-weight: 600;
    font-size: 1rem;
    color: var(--primary-color);
    text-decoration: none;
    word-break: break-word;
}
.playlist-name:hover {
    text-decoration: underline;
}

.player-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 0.5rem;
}
.player-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-size: 0.78rem;
    text-decoration: none;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    color: var(--text-color);
    max-width: 100%;
}
.player-chip:hover {
    border-color: var(--primary-color);
}
.player-chip-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex: 0 0 auto;
}
.player-chip.is-online .status-dot { background: #27ae60; }
.player-chip.is-offline .status-dot { background: #cbd5e0; }
body.dark-mode .player-chip.is-offline .status-dot { background: #718096; }

.empty-hint {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.unassigned-note {
    margin-top: 1rem;
    padding: 0.7rem 0.85rem;
    border-radius: 8px;
    border-left: 4px solid #e67e22;
    background: rgba(230, 126, 34, 0.1);
    font-size: 0.85rem;
}
.unassigned-note a {
    color: var(--primary-color);
}

/* Sidebar collapses below the main column when space runs out. */
@media (max-width: 900px) {
    .dash-grid {
        grid-template-columns: 1fr;
    }
    .dash-side {
        position: static;
        /* Narrow screens: let the small cards sit side by side. */
        flex-direction: row;
        flex-wrap: wrap;
    }
    .dash-side .card-compact {
        flex: 1 1 200px;
    }
}

/* Shared helpers used by the cards below. */
.secondary-text {
    color: var(--text-secondary);
}

/* ── Recent Activity: tabbed list, scrollable so it cannot dominate ────── */
.log-tabs {
    display: flex;
    gap: 0.25rem;
    flex-shrink: 0;
}
.log-tab {
    background: var(--bg-color);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 0.25rem 0.7rem;
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: all 0.2s;
}
.log-tab:hover {
    border-color: var(--primary-color);
    color: var(--text-color);
}
.log-tab.is-active {
    background: var(--primary-gradient);
    border-color: transparent;
    color: #fff;
}
.log-count {
    background: rgba(0, 0, 0, 0.12);
    border-radius: 999px;
    padding: 0 0.4rem;
    font-size: 0.72rem;
    line-height: 1.5;
}
.log-tab.is-active .log-count {
    background: rgba(255, 255, 255, 0.25);
}

/* Cap the height and scroll: a fixed number of rows stay readable. */
.log-pane {
    max-height: 320px;
    overflow-y: auto;
    margin-top: 0.5rem;
}
.log-item {
    padding: 0.5rem 0.25rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.86rem;
    line-height: 1.5;
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.log-item:last-child {
    border-bottom: none;
}
.log-level {
    font-weight: 700;
    flex-shrink: 0;
}
.log-message {
    /* Long messages wrap instead of pushing the timestamp off-screen. */
    flex: 1 1 auto;
    min-width: 0;
    word-break: break-word;
}
.log-time {
    margin-left: auto;
    flex-shrink: 0;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}
</style>

<div class="card">
    <h2>System Status</h2>
    <p>✅ All systems operational</p>
    <p>📋 Playlist-centric architecture active</p>
    <p>🔄 Groups removed - Streamlined workflow</p>
    <p>⚡ DigiServer v2.0</p>
</div>

<script>
/* Recent Activity tabs. Toggles the `hidden` attribute so the panes work even
   if this script is blocked — the activity pane is simply always shown. */
(function () {
    var tabs = document.querySelectorAll('.log-tab');
    var panes = document.querySelectorAll('.log-pane');
    if (!tabs.length) return;

    tabs.forEach(function (tab) {
        tab.addEventListener('click', function () {
            var target = tab.getAttribute('data-log-tab');

            tabs.forEach(function (t) {
                t.classList.toggle('is-active', t === tab);
            });
            panes.forEach(function (p) {
                p.hidden = p.getAttribute('data-log-pane') !== target;
            });
        });
    });
})();
</script>
{% endblock %}