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<!DOCTYPE html> |
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<html lang="en"> |
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<head> |
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<meta charset="UTF-8"> |
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<meta name="viewport" content="width=device-width, initial-scale=1.0"> |
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<title>Online Chat</title> |
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<style> |
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body { |
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font-family: Arial, sans-serif; |
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} |
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.chat-box { |
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height: 300px; |
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overflow-y: scroll; |
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border: 1px solid #ccc; |
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padding: 10px; |
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} |
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</style> |
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</head> |
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<body> |
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<h1>🧊 Добро пожаловать в онлайн чат!</h1> |
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<div class="chat-box" id="chat-box"></div> |
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<input type="text" id="nickname" placeholder="Ваше имя"> |
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<button onclick="joinChat()">Войти в чат</button> |
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<input type="text" id="message" placeholder="Текст сообщения ..."> |
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<button onclick="sendMessage()">Отправить</button> |
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<button onclick="leaveChat()">Выйти из чата</button> |
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<script> |
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let nickname = ''; |
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let last_idx = 0; |
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async function joinChat() { |
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nickname = document.getElementById('nickname').value; |
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const response = await fetch('/chat_api', { |
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method: 'POST', |
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headers: { |
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'Content-Type': 'application/json' |
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}, |
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body: JSON.stringify({action: 'join', nickname: nickname}) |
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}); |
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const data = await response.json(); |
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if (data.status === 'success') { |
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document.getElementById('chat-box').innerHTML += `<p>${data.message}</p>`; |
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refreshChat(); |
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} else { |
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alert(data.message); |
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} |
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} |
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async function sendMessage() { |
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const msg = document.getElementById('message').value; |
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const response = await fetch('/chat_api', { |
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method: 'POST', |
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headers: { |
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'Content-Type': 'application/json' |
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}, |
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body: JSON.stringify({action: 'send', nickname: nickname, msg: msg}) |
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}); |
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const data = await response.json(); |
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if (data.status === 'success') { |
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document.getElementById('message').value = ''; |
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refreshChat(); |
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} |
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} |
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async function leaveChat() { |
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const response = await fetch('/chat_api', { |
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method: 'POST', |
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headers: { |
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'Content-Type': 'application/json' |
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}, |
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body: JSON.stringify({action: 'leave', nickname: nickname}) |
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}); |
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const data = await response.json(); |
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if (data.status === 'success') { |
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document.getElementById('chat-box').innerHTML += `<p>${data.message}</p>`; |
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nickname = ''; |
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refreshChat(); |
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} |
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} |
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async function refreshChat() { |
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const response = await fetch('/chat_api', { |
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method: 'POST', |
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headers: { |
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'Content-Type': 'application/json' |
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}, |
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body: JSON.stringify({action: 'refresh', last_idx: last_idx}) |
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}); |
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const data = await response.json(); |
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if (data.status === 'success') { |
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data.messages.forEach(msg => { |
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document.getElementById('chat-box').innerHTML += `<p>${msg[0]}: ${msg[1]}</p>`; |
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}); |
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last_idx = data.last_idx; |
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} |
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setTimeout(refreshChat, 1000); |
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} |
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</script> |
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</body> |
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</html> |
