@extends('front.layouts-user.master')

@section('title', 'Three Way Support Inbox')

@push('styles')
    <style>
        :root {
        --primary: #f5650b;
        --secondary: #ffffff;
        --glass: rgba(255, 255, 255, 0.98);
        --shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
        }

        .chat-container {
            height: 100vh;
            background: var(--secondary);
            display: flex;
        }

        .chat-sidebar {
            width: 500px;
            background: var(--glass);
            border-right: 1px solid rgba(0, 0, 0, 0.05);
            backdrop-filter: blur(12px);
            transition: transform 0.3s ease;
        }

        .chat-main {
            flex: 1;
            background: var(--secondary);
            display: flex;
            flex-direction: column;
        }

        .chat-messages {
            flex: 1;
            padding: 1.5rem;
            overflow-y: auto;
            background: linear-gradient(180deg, rgba(255, 247, 237, 0.8) 0%, rgba(255, 238, 213, 0.6) 100%);
        }

        .message {
            max-width: 100%;
            padding: 1rem 1.25rem;
            border-radius: 1.25rem;
            margin: 0.75rem 0;
            position: relative;
            animation: messageIn 0.25s cubic-bezier(0.18, 0.89, 0.32, 1.28);
            transition: transform 0.2s ease;
        }

        .message:hover {
            transform: translateY(-2px);
        }

        .user-message {
            background: var(--primary);
            color: white;
            margin-left: auto;
            border-radius: 1.25rem 0.5rem 1.25rem 1.25rem;
        }

        .agent-message {
            background: white;
            color: var(--primary);
            margin-right: auto;
            box-shadow: var(--shadow);
            border-radius: 0.5rem 1.25rem 1.25rem 1.25rem;
        }

        .chat-item {
            padding: 1rem;
            margin: 0.25rem;
            border-radius: 0.75rem;
            cursor: pointer;
            transition: all 0.2s ease;
            background: white;
            border: 1px solid transparent;
        }

        .chat-item:hover {
            background: #fff7ed;
            transform: translateX(4px);
            border-color: var(--primary);
        }

        .chat-item.active {
            background: #ffedd5;
            border-left: 4px solid var(--primary);
        }

        .chat-input {
            background: white;
            padding: 1.5rem;
            box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.03);
        }

        .message-input-container {
            display: flex;
            gap: 0.75rem;
            align-items: flex-end;
        }

        #message-input {
            flex: 1;
            border: 1px solid #e2e8f0;
            border-radius: 0.75rem;
            padding: 0.75rem 1rem;
            resize: none;
            transition: all 0.2s ease;
        }

        #message-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.3);
        }

        .btn-send {
            background: var(--primary);
            color: white;
            border-radius: 0.75rem;
            padding: 0.75rem 1.25rem;
            transition: all 0.2s ease;
        }

        .btn-send:hover {
            opacity: 0.9;
            transform: translateY(-1px);
        }

        .loading-state {
            display: flex;
            justify-content: center;
            padding: 2rem;
        }

        .spinner {
            width: 2rem;
            height: 2rem;
            border: 3px solid #e2e8f0;
            border-top-color: var(--primary);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes messageIn {
            from {
                opacity: 0;
                transform: translateY(10px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }

        @media (max-width: 768px) {
            .chat-container {
                flex-direction: column;
            }

            .chat-sidebar {
                width: 100%;
                height: 40vh;
                border-right: none;
                border-bottom: 1px solid #e2e8f0;
            }

            .chat-main {
                height: 60vh;
            }
        }
    </style>
@endpush

@section('content')
    <div class="chat-container">
        <div class="chat-sidebar">
            <div class="sidebar-header p-4">
                <h2 class="text-xl font-bold text-slate-800">Conversations</h2>
                <div class="relative mt-4">
                    <input type="text" id="search-chats"
                        class="w-full p-2 pl-10 bg-white rounded-lg border border-slate-200 focus:border-primary focus:ring-1 focus:ring-primary"
                        placeholder="Search chats title...">
                    <svg class="absolute left-3 top-3 h-5 w-5 text-slate-400" fill="none" stroke="currentColor"
                        viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                            d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z" />
                    </svg>
                </div>
            </div>
            <div class="chat-list px-2" id="chat-list">

            </div>
        </div>

        <div class="chat-main">
            <div class="chat-header p-4 bg-white border-b border-slate-100">
                <div class="flex items-center gap-3">
                    <div class="avatar">
                        <div class="w-10 h-10 rounded-full bg-primary/10 text-primary flex items-center justify-center">
                            <svg class="w-5 h-5" fill="currentColor" viewBox="0 0 20 20">
                                <path
                                    d="M13 6a3 3 0 11-6 0 3 3 0 016 0zM18 8a2 2 0 11-4 0 2 2 0 014 0zM14 15a4 4 0 00-8 0v3h8v-3zM6 8a2 2 0 11-4 0 2 2 0 014 0zM16 18v-3a5.972 5.972 0 00-.75-2.906A3.005 3.005 0 0119 15v3h-3zM4.75 12.094A5.973 5.973 0 004 15v3H1v-3a3 3 0 013.75-2.906z" />
                            </svg>
                        </div>
                    </div>
                    <div>
                        <h3 class="font-semibold text-slate-800" id="current-chat-title">ATC Support Team</h3>
                    </div>
                </div>
            </div>

            <div class="chat-messages" id="chat-messages">

            </div>

            <div class="chat-input">
                <div class="message-input-container">
                    <textarea class="message-input" id="message-input" rows="1" placeholder="Type your message..." disabled></textarea>
                    <button class="btn-send" id="send-btn" disabled>
                        <i class="fas fa-paper-plane"></i>
                    </button>
                </div>
            </div>
        </div>
    </div>
@endsection


@push('scripts')
    <script>
        $(document).ready(function() {
            loadChatList();

            function loadChatList() {
                $.ajax({
                    url: "{{ route('user.getTWSChats') }}",
                    method: "GET",
                    success: function(chats) {
                        const chatList = $('#chat-list');
                        chatList.empty();

                        if (chats.length === 0) {
                            chatList.append(`<div class="text-center text-muted py-3">No chats available</div>`);
                            $('.chat-main').addClass('d-none');
                            return;
                        }

                        chats.forEach(chat => {
                            const chatItem = `
                                <div class="chat-item" data-chat-id="${chat.id}" id="chat-item-${chat.id}" data-status="${chat.status}">
                                    <div class="d-flex align-items-center">
                                        <div class="avatar me-3" style="color:orange;">${chat.name}</div>
                                        <div class="flex-grow-1">
                                            <h6 class="mb-1 fw-600">${chat.title}</h6>
                                            <div class="d-flex justify-content-between align-items-center">
                                                <small class="text-truncate text-muted">${chat.lastMessage}</small>
                                                ${chat.unread > 0 ? 
                                                    `<span class="badge rounded-pill bg-danger">${chat.unread}</span>` : 
                                                    `<small class="text-muted">${chat.timestamp}</small>`}
                                            </div>
                                        </div>
                                    </div>
                                </div>
                            `;
                            chatList.append(chatItem);
                        });
                    }
                });
            }

            let chatId;

            $(document).on('click', '.chat-item', function () {
                let $this = $(this);
                let chatTitle = $this.find('h6').text().trim();
                let chatStatus = $this.data('status');
                chatId = $this.data('chat-id');
                
                $('.chat-item').removeClass('active');
                $this.addClass('active');

                $('#current-chat-title').text(`${chatTitle} (${chatStatus})`);

                if (chatStatus == 'Open') {
                    $('.chat-input').removeClass('d-none');
                } else {
                    $('.chat-input').addClass('d-none');
                }

                loadMessages(chatId);
            });

            function loadMessages(chatId) {
                $('#chat-messages').html(`<div class="loading-state"><div class="spinner"></div></div>`);

                $.ajax({
                    url: "{{ route('user.getTWSMessages', ['id' => ':id']) }}".replace(':id', chatId),
                    method: "GET",
                    success: function(messages) {
                        const messagesHtml = messages.map(msg => `
                            <div class="message ${msg.type}-message d-flex ${msg.current_user ? 'justify-content-end' : 'justify-content-start'} align-items-end">
                                ${!msg.current_user ? `<img src="${msg.profile_picture}" alt="User" class="rounded-circle me-2" style="width: 35px; height: 35px;">` : ''}
                                <div class="message-content p-3 rounded shadow-sm" style="max-width: 60%; background-color: ${msg.current_user ? '#d1e7dd' : '#dc8f6d'};">
                                    <small class="fw-bold ${msg.current_user ? 'text-end' : 'text-start'} d-block">
                                        ${msg.user_name} ${msg.current_user ? '(You)' : ''}
                                    </small>
                                    <p class="mb-1">${msg.text}</p>
                                    <small class="text-muted">${msg.time}</small>
                                </div>
                            </div>
                        `).join('');

                        $('#chat-messages').html(messagesHtml);
                        $('#message-input, #send-btn').prop('disabled', false);
                        $('.empty-state').hide();
                        scrollToBottom();
                    }

                });

                $.ajax({
                    url: "{{ route('user.markTWSMessagesRead', ['id' => ':id']) }}".replace(':id', chatId),
                    method: "POST",
                    headers: {
                        'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
                    },
                    success: function(response) {
                        console.log("Relevant messages marked as read");
                        let chatItem = $(`#chat-item-${chatId}`);
                        chatItem.find(".badge.bg-danger").remove();
                        chatItem.find(".timestamp").html(
                            `<small class="text-muted">${chatItem.data('timestamp')}</small>`);
                    }
                });
            }


            $('#send-btn').click(function() {
                const message = $('#message-input').val().trim();

                if (message && chatId) {
                    $.ajax({
                        url: "{{ route('user.sendTWSMessage') }}",
                        method: "POST",
                        data: {
                            general_support_id: chatId,
                            message: message
                        },
                        success: function(response) {
                            if (response.success) {
                                loadMessages(chatId);
                                $('#message-input').val('');
                            }
                        }
                    });
                }
            });

            function scrollToBottom() {
                const $messages = $('#chat-messages');
                $messages.animate({
                    scrollTop: $messages[0].scrollHeight
                }, 400);
            }

            $('#search-chats').on('keyup', function() {
                let searchText = $(this).val().toLowerCase();

                $('.chat-item').each(function() {
                    let chatTitle = $(this).find('h6').text().toLowerCase();
                    if (chatTitle.includes(searchText)) {
                        $(this).show(); 
                    } else {
                        $(this).hide(); 
                    }
                });
            });
        });
    </script>
@endpush