@extends('layouts/layoutMaster')

@section('title', __('Chat with') . ' ' . $otherUser->name)

@section('vendor-style')
@vite(['resources/assets/vendor/libs/perfect-scrollbar/perfect-scrollbar.scss'])
@endsection

@section('content')
<div class="container-xxl flex-grow-1 container-p-y">
    <!-- Header -->
    <div class="d-flex justify-content-between align-items-center mb-4">
        <h4 class="fw-bold mb-0">
            <a href="{{ route('dashboard.chats.index') }}" class="text-muted">
                <i class="ti ti-arrow-left"></i> {{ __('Chats') }}
            </a>
            <span class="text-muted fw-light">/</span> {{ $otherUser->name }}
        </h4>
    </div>

    <!-- Chat Card -->
    <div class="card">
        <!-- Chat Header -->
        <div class="card-header d-flex align-items-center">
            <div class="avatar avatar-online me-3">
                @if($otherUser->getFirstMediaUrl('image'))
                    <img src="{{ $otherUser->getFirstMediaUrl('image') }}" 
                         alt="{{ $otherUser->name }}" 
                         class="rounded-circle">
                @else
                    <span class="avatar-initial rounded-circle bg-label-primary">
                        {{ substr($otherUser->name, 0, 1) }}
                    </span>
                @endif
            </div>
            <div>
                <h5 class="mb-0">{{ $otherUser->name }}</h5>
                <small class="text-muted">{{ $otherUser->phone }}</small>
            </div>
        </div>

        <!-- Messages Container -->
        <div class="card-body" style="height: 500px; overflow-y: auto;" id="chat-messages-container">
            <div id="chat-messages">
                @foreach($messages as $message)
                    @php
                        $isMine = $message->receiver_id != auth()->id();
                    @endphp
                    
                    <div class="chat-message mb-3 {{ $isMine ? 'text-end' : '' }}" data-message-id="{{ $message->id }}">
                        <div class="d-inline-block {{ $isMine ? 'bg-primary text-white' : 'bg-light' }} rounded p-3" 
                             style="max-width: 70%;">
                            @if($message->content)
                                <p class="mb-0">{{ $message->content }}</p>
                            @endif
                            
                            @if($message->media && $message->media->count() > 0)
                                <div class="mt-2">
                                    @foreach($message->media as $media)
                                        <div class="mb-2">
                                            @if(str_starts_with($media->mime_type, 'image/'))
                                                <img src="{{ $media->getUrl() }}" 
                                                     alt="{{ $media->name }}" 
                                                     class="img-fluid rounded" 
                                                     style="max-width: 200px;">
                                            @else
                                                <a href="{{ $media->getUrl() }}" 
                                                   target="_blank" 
                                                   class="{{ $isMine ? 'text-white' : 'text-primary' }}">
                                                    <i class="ti ti-file"></i> {{ $media->name }}
                                                </a>
                                            @endif
                                        </div>
                                    @endforeach
                                </div>
                            @endif
                            
                            <small class="d-block mt-1 {{ $isMine ? 'text-white-50' : 'text-muted' }}">
                                {{ $message->created_at->format('H:i') }}
                                @if($isMine)
                                    <i class="ti ti-check{{ $message->seen ? '-all' : '' }} ti-xs"></i>
                                @endif
                            </small>
                        </div>
                    </div>
                @endforeach
            </div>
        </div>

        <!-- Message Input -->
        <div class="card-footer">
            <form id="send-message-form" action="{{ route('dashboard.chats.send', $chat) }}" method="POST" enctype="multipart/form-data">
                @csrf
                <div class="input-group">
                    <input type="text" 
                           name="content" 
                           id="message-input" 
                           class="form-control" 
                           placeholder="{{ __('Type a message...') }}" 
                           autocomplete="off">
                    
                    <label for="file-input" class="btn btn-outline-secondary" type="button">
                        <i class="ti ti-paperclip"></i>
                    </label>
                    <input type="file" 
                           name="files[]" 
                           id="file-input" 
                           class="d-none" 
                           multiple 
                           accept="image/*,application/pdf,.doc,.docx,.xlsx">
                    
                    <button type="submit" class="btn btn-primary">
                        <i class="ti ti-send"></i> {{ __('Send') }}
                    </button>
                </div>
                
                <div id="selected-files" class="mt-2"></div>
            </form>
        </div>
    </div>
</div>

@push('scripts')
<script type="module">
    const chatContainer = document.getElementById('chat-messages-container');
    const chatMessages = document.getElementById('chat-messages');
    const messageForm = document.getElementById('send-message-form');
    const messageInput = document.getElementById('message-input');
    const fileInput = document.getElementById('file-input');
    const selectedFilesDiv = document.getElementById('selected-files');
    
    let lastMessageId = {{ $messages->last()->id ?? 0 }};
    let isPolling = true;
    
    // Scroll to bottom
    function scrollToBottom() {
        chatContainer.scrollTop = chatContainer.scrollHeight;
    }
    
    // Initial scroll
    scrollToBottom();
    
    // Handle file selection
    fileInput.addEventListener('change', function() {
        selectedFilesDiv.innerHTML = '';
        if (this.files.length > 0) {
            const fileList = Array.from(this.files).map(file => 
                `<span class="badge bg-label-primary me-1">${file.name}</span>`
            ).join('');
            selectedFilesDiv.innerHTML = fileList;
        }
    });
    
    // Handle form submission
    messageForm.addEventListener('submit', function(e) {
        e.preventDefault();
        
        const formData = new FormData(this);
        
        fetch(this.action, {
            method: 'POST',
            body: formData,
            headers: {
                'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]').content,
                'X-Requested-With': 'XMLHttpRequest'
            }
        })
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                messageInput.value = '';
                fileInput.value = '';
                selectedFilesDiv.innerHTML = '';
                // Poll immediately for new message
                pollNewMessages();
            }
        })
        .catch(error => console.error('Error:', error));
    });
    
    // Poll for new messages
    function pollNewMessages() {
        if (!isPolling) return;
        
        fetch(`{{ route('dashboard.chats.new-messages', $chat) }}?last_message_id=${lastMessageId}`)
            .then(response => response.json())
            .then(data => {
                if (data.success && data.messages.length > 0) {
                    data.messages.forEach(message => {
                        appendMessage(message);
                        lastMessageId = message.id;
                    });
                    scrollToBottom();
                }
            })
            .catch(error => console.error('Error:', error));
    }
    
    // Append new message to chat
    function appendMessage(message) {
        const isMine = message.is_mine;
        const messageHtml = `
            <div class="chat-message mb-3 ${isMine ? 'text-end' : ''}" data-message-id="${message.id}">
                <div class="d-inline-block ${isMine ? 'bg-primary text-white' : 'bg-light'} rounded p-3" style="max-width: 70%;">
                    ${message.content ? `<p class="mb-0">${message.content}</p>` : ''}
                    <small class="d-block mt-1 ${isMine ? 'text-white-50' : 'text-muted'}">
                        ${message.created_at_human}
                    </small>
                </div>
            </div>
        `;
        chatMessages.insertAdjacentHTML('beforeend', messageHtml);
    }
    
    // Poll every 3 seconds
    setInterval(pollNewMessages, 3000);
    
    // Stop polling when page is hidden
    document.addEventListener('visibilitychange', function() {
        isPolling = !document.hidden;
    });
</script>
@endpush
@endsection