{% extends "unfold/layouts/skeleton.html" %}
{% load i18n static %}
{% block title %}
    {% trans "Chat Room" %}
{% endblock %}
{% block extrastyle %}
    {{ block.super }}
    <style>
        .chat-container {
            display: flex;
            flex-direction: column;
            height: calc(100vh - 150px); /* Adjust height as needed */
            max-width: 800px;
            margin: 20px auto;
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            overflow: hidden;
            background-color: white;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }
        .message-log {
            flex-grow: 1;
            padding: 15px;
            overflow-y: auto;
            background-color: #f9f9f9;
            border-bottom: 1px solid #e0e0e0;
        }
        .message-entry {
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .message-entry strong {
            color: #333;
        }
        .message-entry .timestamp {
            font-size: 0.8em;
            color: #999;
            margin-left: 8px;
        }
        .chat-input-area {
            display: flex;
            padding: 15px;
            background-color: #f0f0f0;
        }
        .chat-input-area input[type="text"] {
            flex-grow: 1;
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: 4px;
            margin-right: 10px;
            font-size: 1em;
        }
        .chat-input-area button {
            padding: 10px 15px;
            background-color: #007bff;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 1em;
            transition: background-color 0.2s;
        }
        .chat-input-area button:hover {
            background-color: #0056b3;
        }
        .message-event {
            font-weight: bold;
            color: #333;
        }
        .message-data {
            font-family: monospace;
            background: #eef;
            padding: 2px 5px;
            border-radius: 3px;
            display: block;
            margin-top: 5px;
        }
    </style>
{% endblock %}
{% block base %}
    <div class="chat-container">
        <h1>
            {% trans "Chat Room" %}
        </h1>
        <div class="message-log" id="log">
            <!-- Messages will appear here -->
        </div>
        <div class="chat-input-area">
            <input type="text" id="chat-message-input" placeholder="{% trans "Type your message..." %}" />
            <button id="chat-message-submit">
                {% trans "Send" %}
            </button>
        </div>
    </div>
    {{ user.email|json_script:"user-email" }}
    {{ user.username|json_script:"user-username" }}
    <script>
        const userEmail = JSON.parse(document.getElementById('user-email').textContent);
        const userName = JSON.parse(document.getElementById('user-username').textContent);
        const logElement = document.getElementById('log');
        const messageInput = document.getElementById('chat-message-input');
        const messageSubmit = document.getElementById('chat-message-submit');

        // Construct the WebSocket URL to match the new routing.
        // Using the user's email as the "room" identifier for this specific chat context.
        const url = 'ws://'
            + window.location.host
            + '/ws/chrome/' // This URL needs to match routing.py
            + userEmail
            + '/';

        const socket = new WebSocket(url);

        socket.onopen = function(e) {
            logSystemMessage('WebSocket connection established.');
        };

        socket.onmessage = function(e) {
            const data = JSON.parse(e.data);
            if (data.event === 'chat_message') {
                logChatMessage(data.username, data.message);
            } else {
                // Original chrome plugin messages
                logIncomingMessage(data.event, data.data);
            }
            logElement.scrollTop = logElement.scrollHeight; // Scroll to bottom
        };

        socket.onclose = function(e) {
            console.error('WebSocket closed unexpectedly:', e);
            logSystemMessage('WebSocket connection closed.', 'error');
        };

        socket.onerror = function(e) {
            console.error('WebSocket error:', e);
            logSystemMessage('WebSocket error occurred.', 'error');
        };

        function sendMessage() {
            const message = messageInput.value;
            if (message.trim()) {
                socket.send(JSON.stringify({
                    'message': message
                }));
                messageInput.value = ''; // Clear input after sending
            }
        }

        messageSubmit.onclick = sendMessage;

        messageInput.onkeyup = function(e) {
            if (e.key === 'Enter') {
                sendMessage();
            }
        };

        function logSystemMessage(message, type = 'info') {
            const entry = document.createElement('div');
            entry.className = 'message-entry system-message ' + type;
            entry.innerHTML = `<em>[System - ${new Date().toLocaleTimeString()}] ${message}</em>`;
            logElement.appendChild(entry);
        }

        function logChatMessage(username, message) {
            const entry = document.createElement('div');
            entry.className = 'message-entry chat-message';
            entry.innerHTML = `<strong>${username}</strong><span class="timestamp">${new Date().toLocaleTimeString()}</span>: ${message}`;
            logElement.appendChild(entry);
        }

        // Original function for chrome plugin messages, adapted for display
        function logIncomingMessage(event, data) {
            const entry = document.createElement('div');
            entry.className = 'message-entry system-message';

            const eventSpan = document.createElement('span');
            eventSpan.className = 'message-event';
            eventSpan.textContent = `[Plugin Event: ${event}]`;
            entry.appendChild(eventSpan);

            if (data) {
                const dataPre = document.createElement('pre');
                dataPre.className = 'message-data';
                dataPre.textContent = JSON.stringify(data, null, 2);
                entry.appendChild(dataPre);
            }
            logElement.appendChild(entry);
        }

        // Initial scroll to bottom (if messages pre-exist)
        logElement.scrollTop = logElement.scrollHeight;

    </script>
{% endblock %}