@extends('admin.layouts.app')

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

@section('content')

<div class="container py-4">

    <h2 class="mb-4 fw-bold">Customer Support Chat</h2>

    <div class="card shadow-sm">
        <div class="card-body p-0">

            @if($tickets->count() === 0)
                <div class="p-4 text-center text-muted">
                    <h5>No customer chats yet.</h5>
                </div>
            @else
                <ul class="list-group list-group-flush">

                    @foreach($tickets as $ticket)
                        @php
                            // Get last message
                            $lastMsg = $ticket->messages()->latest()->first();
                        @endphp

                        <li class="list-group-item py-3">

                            <div class="d-flex align-items-center justify-content-between">

                                <!-- Left side: User info + last message -->
                                <div class="d-flex align-items-center gap-3">

                                    <!-- Profile Circle -->
                                    <div class="rounded-circle bg-primary text-white d-flex align-items-center justify-content-center"
                                         style="width: 45px; height: 45px; font-size: 18px;">
                                        {{ strtoupper(substr($ticket->user->customer_name ?? $ticket->user->name, 0, 1)) }}
                                    </div>

                                    <div>
                                        <!-- Customer Name -->
                                        <h6 class="mb-1 fw-semibold">
                                            {{ $ticket->user->customer_name ?? $ticket->user->name }}
                                        </h6>

                                        <!-- Last message preview -->
                                        <small class="text-muted">
                                            @if($lastMsg)
                                                @if($lastMsg->message)
                                                    {{ Str::limit($lastMsg->message, 35) }}
                                                @elseif($lastMsg->file_type === 'image')
                                                    📷 Image
                                                @elseif($lastMsg->file_type === 'video')
                                                    🎥 Video
                                                @else
                                                    📎 Attachment
                                                @endif
                                            @else
                                                <i>No messages yet</i>
                                            @endif
                                        </small>
                                    </div>

                                </div>

                                <!-- Right Side: Status + Button -->
                                <div class="text-end">

                                    <!-- Ticket Status -->
                                    <span class="badge 
                                        {{ $ticket->status === 'open' ? 'bg-success' : 'bg-danger' }}">
                                        {{ ucfirst($ticket->status) }}
                                    </span>

                                    <!-- Open Chat Button -->
                                    <a href="{{ route('admin.chat.open', $ticket->id) }}"
                                       class="btn btn-sm btn-primary ms-2">
                                        Open Chat →
                                    </a>

                                </div>
                            </div>

                        </li>
                    @endforeach

                </ul>
            @endif

        </div>
    </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