const admin_chat_ws_scheme = window.location.protocol === "https:" ? "wss" : "ws";
const admin_chat_domain = "osina.ositcom.com";
let chatWebSocket = null;


function openConversation(chatId) {
    fetch(`/chat-rooms/${chatId}/`)
        .then(response => response.text())
        .then(html => {
            const conversationContainer = document.getElementById('inner-conversation')
            conversationContainer.innerHTML = html;
            const guestSessionId = document.getElementById('sessionid').textContent.trim();
            const userId = document.getElementById('userId').textContent.trim();
            // Close the previous WebSocket connection if it exists
            if (chatWebSocket) {
                chatWebSocket.close();
            }

            chatWebSocket = new WebSocket(`${admin_chat_ws_scheme}://${admin_chat_domain}/ws/osichat/${guestSessionId}/`);

            chatWebSocket.onopen = function () {
                console.log('WebSocket connection to osichat established');
                chatWebSocket.send(JSON.stringify({ 'event_type': 'load_chat', 'client_type': 'website_admin' }));
            };

            const sendMessageForm = document.querySelector('#sendMessage');
            sendMessageForm.addEventListener('submit', function (event) {
                event.preventDefault();

                const message = event.target.elements.message.value;

                const eventMessage = {
                    'event_type': 'send_message',
                    'message': message,
                    'user_id': userId
                };

                chatWebSocket.send(JSON.stringify(eventMessage));

                event.target.reset();
            });



            chatWebSocket.onclose = function () {
                console.log('WebSocket connection to osichat closed');
            };

            chatWebSocket.onerror = function (error) {
                console.error('WebSocket error:', error);
            };

            appendTextAreaScript(admin_chat_domain, conversationContainer);
        })
        .catch(error => console.error('Error loading conversation details:', error));
}


function appendTextAreaScript(domain, conversationContainer) {
    // Check if the script is already appended
    if (!document.querySelector('script[src="https://' + domain + '/static/js/osichat-admin/textarea.js"]')) {
        const textareaScript = document.createElement('script');
        textareaScript.type = 'text/javascript';
        textareaScript.src = `https://${domain}/static/js/osichat-admin/textarea.js`;
        conversationContainer.appendChild(textareaScript);
    }
}