@extends('admin.layouts.app')

@section('page-title', 'Chat Support Dashboard')

@section('content')
<style>
    :root {
        --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        --success-gradient: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
        --danger-gradient: linear-gradient(135deg, #ff416c 0%, #ff4b2b 100%);
        --warning-gradient: linear-gradient(135deg, #f7971e 0%, #ffd200 100%);
        --info-gradient: linear-gradient(135deg, #56ccf2 0%, #2f80ed 100%);
        --card-shadow: 0 3px 10px rgba(0,0,0,0.05);
        --card-shadow-hover: 0 6px 16px rgba(0,0,0,0.10);
        --border-radius: 8px;
        --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
        box-sizing: border-box;
    }

    .chat-dashboard {
        min-height: 100vh;
        background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        padding: 0.75rem;
        font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    }

    .dashboard-header {
        text-align: center;
        margin-bottom: 1rem;
        position: relative;
    }

    .dashboard-title {
        font-size: clamp(1.4rem, 2.5vw, 2rem);
        font-weight: 800;
        background: var(--primary-gradient);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        margin: 0 0 0.4rem 0;
        position: relative;
        display: inline-block;
    }

    .dashboard-title::before {
        content: '💬';
        position: absolute;
        left: -1.6rem;
        top: 50%;
        transform: translateY(-50%);
        font-size: 1.3rem;
        animation: bounce 2s infinite;
    }

    @keyframes bounce {
        0%, 20%, 50%, 80%, 100% { transform: translateY(-50%) translateY(0); }
        40% { transform: translateY(-50%) translateY(-5px); }
        60% { transform: translateY(-50%) translateY(-2px); }
    }

    .dashboard-subtitle {
        color: #64748b;
        font-size: 0.8rem;
        max-width: 380px;
        margin: 0 auto;
        line-height: 1.3;
    }

    /* 🔔 GLOBAL NEW MESSAGE COUNTER */
    .global-notify {
        margin: 0 auto 0.75rem auto;
        max-width: 320px;
        padding: 0.35rem 0.7rem;
        border-radius: 999px;
        background: rgba(15,23,42,0.03);
        border: 1px dashed #cbd5f5;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.4rem;
        font-size: 0.78rem;
        color: #1e293b;
    }

    .global-notify-badge {
        background: #ef4444;
        color: #fff;
        min-width: 18px;
        padding: 0 0.35rem;
        height: 18px;
        border-radius: 999px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 0.7rem;
        font-weight: 700;
        box-shadow: 0 0 0 2px rgba(254, 226, 226, 0.8);
    }

    .global-notify.d-none {
        display: none;
    }

    .tickets-container {
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(12px);
        border-radius: var(--border-radius);
        padding: 0.75rem 0.9rem;
        box-shadow: var(--card-shadow);
        border: 1px solid rgba(255, 255, 255, 0.3);
        /* max-height / overflow काढले, जेणेकरून बाहेरचा page scroll वापरला जाईल */
        display: block;
    }

    .tickets-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 0.6rem;
        padding-bottom: 0.45rem;
        border-bottom: 1px solid #f1f5f9;
    }

    .tickets-title {
        font-size: 1rem;
        font-weight: 700;
        color: #1e293b;
        display: flex;
        align-items: center;
        gap: 0.3rem;
    }

    .tickets-count {
        background: var(--primary-gradient);
        color: white;
        padding: 0.1rem 0.45rem;
        border-radius: 12px;
        font-size: 0.7rem;
        font-weight: 600;
    }

    .ticket-item {
        background: white;
        border-radius: 6px;
        padding: 0.4rem 0.6rem;
        margin-bottom: 0.3rem;
        border: 1px solid #e5e7eb;
        transition: var(--transition);
        position: relative;
        overflow: hidden;
    }

    .ticket-item::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 2px;
        background: var(--primary-gradient);
        transform: scaleY(0);
        transition: var(--transition);
    }

    .ticket-item:hover {
        transform: translateY(-1px);
        box-shadow: var(--card-shadow-hover);
        border-color: rgba(102, 126, 234, 0.35);
    }

    .ticket-item:hover::before {
        transform: scaleY(1);
    }

    .ticket-header {
        display: flex;
        align-items: flex-start;
        gap: 0.4rem;
        margin-bottom: 0.25rem;
    }

    .ticket-avatar {
        width: 26px;
        height: 26px;
        border-radius: 6px;
        background: var(--info-gradient);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.75rem;
        font-weight: 700;
        color: white;
        flex-shrink: 0;
        box-shadow: 0 3px 8px rgba(86, 204, 242, 0.25);
        position: relative;
        overflow: hidden;
    }

    .ticket-avatar::after {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
        transition: left 0.4s;
    }

    .ticket-item:hover .ticket-avatar::after {
        left: 100%;
    }

    .ticket-content {
        flex: 1;
        min-width: 0;
    }

    .ticket-name {
        font-size: 0.8rem;
        font-weight: 700;
        color: #1e293b;
        margin: 0 0 0.08rem 0;
        display: flex;
        align-items: center;
        gap: 0.25rem;
    }

    .unread-count {
        background: #ef4444;
        color: white;
        min-width: 16px;
        height: 16px;
        border-radius: 999px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.6rem;
        font-weight: 700;
        box-shadow: 0 2px 6px rgba(239, 68, 68, 0.4);
        animation: pulse 2s infinite;
    }

    @keyframes pulse {
        0%, 100% { transform: scale(1); }
        50% { transform: scale(1.05); }
    }

    .ticket-preview {
        color: #64748b;
        font-size: 0.7rem;
        line-height: 1.25;
        margin-bottom: 0.1rem;
        display: flex;
        align-items: center;
        gap: 0.25rem;
        max-height: 1.8em;
        overflow: hidden;
    }

    .ticket-time {
        font-size: 0.65rem;
        color: #94a3b8;
        display: flex;
        align-items: center;
        gap: 0.18rem;
    }

    .ticket-time svg {
        width: 10px;
        height: 10px;
        flex-shrink: 0;
    }

    .ticket-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-top: 0.3rem;
        border-top: 1px dashed #e5e7eb;
        margin-top: 0.2rem;
    }

    .status-badge {
        padding: 0.14rem 0.45rem;
        border-radius: 999px;
        font-size: 0.6rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.2px;
    }

    .status-open  { background: var(--success-gradient); color: white; }
    .status-closed{ background: var(--danger-gradient);  color: white; }

    .chat-btn {
        background: var(--primary-gradient);
        color: white;
        border: none;
        padding: 0.25rem 0.6rem;
        border-radius: 999px;
        font-weight: 600;
        font-size: 0.7rem;
        display: inline-flex;
        align-items: center;
        gap: 0.25rem;
        text-decoration: none;
        transition: var(--transition);
        box-shadow: 0 3px 10px rgba(102, 126, 234, 0.25);
        white-space: nowrap;
    }

    .chat-btn:hover {
        transform: translateY(-1px);
        box-shadow: 0 6px 16px rgba(102, 126, 234, 0.35);
        color: white;
    }

    .chat-btn::after {
        content: '→';
        transition: margin-left 0.25s ease;
        margin-left: 0;
    }

    .chat-btn:hover::after {
        margin-left: 0.18rem;
    }

    .empty-state {
        text-align: center;
        padding: 1.6rem 1rem;
        background: rgba(255, 255, 255, 0.6);
        border-radius: var(--border-radius);
        border: 2px dashed #e2e8f0;
    }

    .empty-icon {
        font-size: 2.8rem;
        margin-bottom: 0.9rem;
        display: block;
        animation: float 3s ease-in-out infinite;
    }

    @keyframes float {
        0%, 100% { transform: translateY(0px); }
        50% { transform: translateY(-8px); }
    }

    .empty-title {
        font-size: 1.05rem;
        font-weight: 700;
        color: #1e293b;
        margin-bottom: 0.4rem;
    }

    .empty-subtitle {
        color: #64748b;
        font-size: 0.85rem;
        margin-bottom: 1rem;
        line-height: 1.35;
    }

    .ticket-id {
        background: rgba(102, 126, 234, 0.08);
        color: #667eea;
        padding: 0.12rem 0.5rem;
        border-radius: 999px;
        font-size: 0.65rem;
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 0.18rem;
    }

    .new-message-dot {
        position: absolute;
        top: 0.45rem;
        right: 0.5rem;
        width: 7px;
        height: 7px;
        background: #ef4444;
        border-radius: 50%;
        border: 2px solid white;
        box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.3);
        animation: blink 1.5s infinite;
        z-index: 10;
    }

    @keyframes blink {
        0%, 100% { opacity: 1; transform: scale(1); }
        50% { opacity: 0.5; transform: scale(1.1); }
    }

    /* इथे आता inner scroll नाही */
    .tickets-list {
        /* flex: 1; काढला, overflow काढला, parent + body scroll वापरेल */
        padding-right: 0; 
    }

    .tickets-list::-webkit-scrollbar {
        width: 3px;
    }

    .tickets-list::-webkit-scrollbar-track {
        background: #f1f5f9;
        border-radius: 6px;
    }

    .tickets-list::-webkit-scrollbar-thumb {
        background: var(--primary-gradient);
        border-radius: 6px;
    }

    @media (max-width: 768px) {
        .chat-dashboard {
            padding: 0.6rem;
        }

        .tickets-container {
            /* max-height काढलेले, mobile वरही outer scroll */
        }

        .ticket-header {
            flex-direction: column;
            gap: 0.35rem;
        }

        .ticket-footer {
            flex-direction: column;
            gap: 0.35rem;
            align-items: stretch;
        }

        .chat-btn {
            justify-content: center;
        }
    }
</style>

<div class="chat-dashboard">
    <!-- Header -->
    <div class="dashboard-header">
        <h1 class="dashboard-title">Live Chat Dashboard</h1>
        <p class="dashboard-subtitle">
            Monitor customer conversations with real-time updates
        </p>
    </div>

    <!-- 🔔 GLOBAL NEW MESSAGES NOTIFICATION -->
    <div id="globalNewMessageBox" class="global-notify d-none">
        <span>New messages:</span>
        <span id="globalNewMessageCount" class="global-notify-badge">0</span>
    </div>

    <!-- Tickets Container -->
    <div class="tickets-container">
        <div class="tickets-header">
            <div>
                <h2 class="tickets-title">
                    📋 Active Conversations 
                    <span class="tickets-count">{{ $tickets->count() }}</span>
                </h2>
            </div>
        </div>

        @if($tickets->count() === 0)
            <!-- Empty State -->
            <div class="empty-state">
                <div class="empty-icon">💬</div>
                <h3 class="empty-title">No Active Conversations</h3>
                <p class="empty-subtitle">
                    Customer conversations will appear here with real-time notifications.
                </p>
                <div class="ticket-id">Ready for support requests</div>
            </div>
        @else
            <!-- Tickets List -->
            <div class="tickets-list">
                @foreach($tickets as $ticket)
                    <div class="ticket-item" data-ticket-id="{{ $ticket->id }}">
                        @if($ticket->unread_count > 0)
                            <div class="new-message-dot"></div>
                        @endif

                        <div class="ticket-header">
                            <div class="ticket-avatar">
                                {{ strtoupper(substr($ticket->user->customer_name ?? $ticket->user->name, 0, 1)) }}
                            </div>
                            <div class="ticket-content">
                                <div class="ticket-name">
                                    {{ $ticket->user->customer_name ?? $ticket->user->name }}
                                    @if($ticket->unread_count > 0)
                                        <span id="badge-{{ $ticket->id }}" class="unread-count">
                                            {{ $ticket->unread_count }}
                                        </span>
                                    @endif
                                </div>

                                @php
                                    $lastMsg = $ticket->messages()->latest()->first();
                                @endphp

                                <div class="ticket-preview">
                                    @if($lastMsg)
                                        @if($lastMsg->message)
                                            {{ Str::limit($lastMsg->message, 45) }}
                                        @elseif(Str::startsWith($lastMsg->file_type, 'image'))
                                            📷 Photo shared
                                        @else
                                            📎 File attached
                                        @endif
                                    @else
                                        <em>Conversation started</em>
                                    @endif
                                </div>

                                @if($lastMsg)
                                    <div class="ticket-time">
                                        <svg xmlns="http://www.w3.org/2000/svg" fill="currentColor" viewBox="0 0 16 16">
                                            <path d="M8 3.5a.5.5 0 0 0-1 0V9a.5.5 0 0 0 .252.434l3.5 2a.5.5 0 0 0 .496-.868L8 8.71V3.5z"/>
                                            <path d="M8 16A8 8 0 1 0 8 0a8 8 0 0 0 0 16zm7-8A7 7 0 1 1 1 8a7 7 0 0 1 14 0z"/>
                                        </svg>
                                        {{ $lastMsg->created_at->diffForHumans() }}
                                    </div>
                                @endif
                            </div>
                        </div>

                        <div class="ticket-footer">
                            <span class="status-badge status-{{ $ticket->status }}">
                                {{ ucfirst($ticket->status) }}
                            </span>
                            <a href="{{ route('admin.chat.open', $ticket->id) }}" class="chat-btn">
                                Open Chat
                            </a>
                        </div>
                    </div>
                @endforeach
            </div>
        @endif
    </div>
</div>
@endsection

@section('scripts')
<script>
// -------------------------------
// WAIT FOR ECHO READY (DEFINE IT)
// -------------------------------
function waitForEcho(callback, retries = 40) {
    if (window.Echo) {
        console.log('%c[ECHO] Ready (Admin List)', 'color: green; font-weight: bold;');
        callback();
        return;
    }

    if (retries <= 0) {
        console.error('[ECHO] Failed to initialize');
        return;
    }

    setTimeout(() => waitForEcho(callback, retries - 1), 200);
}

// -------------------------------
// LISTEN FOR REALTIME MESSAGES
// -------------------------------
waitForEcho(() => {
    console.log('[ADMIN LIST] Listening for new messages...');

    const globalBox   = document.getElementById('globalNewMessageBox');
    const globalCount = document.getElementById('globalNewMessageCount');
    let totalNewMessages = 0;

    window.Echo.private('admin.chat')
        .listen('.NewChatMessage', (event) => {

            // only USER → ADMIN messages
            if (event.sender_type !== 'App\\Models\\User') return;

            const ticketId = event.ticket_id;

            // 1) UPDATE PER-TICKET BADGE
            const badge = document.getElementById(`badge-${ticketId}`);
            if (badge) {
                let count = parseInt(badge.innerText || 0);
                badge.innerText = count + 1;
                badge.classList.remove('d-none');
            }

            // 2) UPDATE GLOBAL NEW MESSAGE COUNTER
            totalNewMessages++;
            if (globalBox && globalCount) {
                globalBox.classList.remove('d-none');
                globalCount.innerText = totalNewMessages;
            }

            // 3) त्या ticket ला यादीत सर्वात वर आणा आणि स्क्रोल करा
            const listContainer = document.querySelector('.tickets-list');
            const ticketEl = document.querySelector(`.ticket-item[data-ticket-id="${ticketId}"]`);

            if (listContainer && ticketEl) {
                if (ticketEl.previousElementSibling) {
                    listContainer.insertBefore(ticketEl, listContainer.firstElementChild);
                }

                const topOffset = ticketEl.offsetTop;
                window.scrollTo({
                    top: listContainer.offsetTop + topOffset - 20,
                    behavior: 'smooth'
                });
            }

            console.log('[ADMIN LIST] Badge/global counter updated for ticket', ticketId);
        });
});
</script>
@endsection