const chatIcon = document.getElementById('chatIcon');
const chatDialog = document.getElementById('chatDialog');
const closeChat = document.getElementById('closeChat');
const voiceInputBtn = document.getElementById('voiceInputBtn');
const voiceStatus = document.getElementById('voiceStatus');
const notificationBadge = document.querySelector('.notification-badge');
var APPID = "43341b7e";
var API_SECRET = "MWQzMWEyYTAyYzVlZWRjOTM1NjE0MjI4";
var API_KEY = "a46e1fc5d062a14b28cde0ff2c0046e1";
let btnStatus = "UNDEFINED"; // "UNDEFINED" "CONNECTING" "OPEN" "CLOSING" "CLOSED"

//大模型调用部分
const apiPassword = "xozAvYSDDAUrZtmZAMHe:BesWfhINSVtAumsVcxCt";
// 注意：请将 123456 替换为你自己的 APIPassword
let chatList = [
    {
        "role": "system",
        "content": "请你扮演一名幼师,跟我聊聊天吧！"
    }
]
async function sendRequest(str,callback) {
    chatList.push({
        "role": "user",
        "content": str
    })

    const body =
    {
        "apiPassword": apiPassword,
        "chatList": chatList
    }
    let data= await fetch('http://w.textbox.wang/index.php/english/Index/xhchat', {
        method: 'POST', // 或者使用 'GET' 取决于API的要求
        headers: {
            'Content-Type': 'application/json',
        },

        body: JSON.stringify(body)
    })
        .then(response => response.json()) // 解析JSON响应
        .then(data => {
            // 处理响应数据
            console.log(data.choices[0].message.content);
             chatList.push({
                "role": "assistant",
                "content": data.choices[0].message.content
            })
            callback(data.choices[0].message.content)
            
            // document.getElementById('output').innerText = data.text; // 假设响应中包含文本字段
        })
        .catch(error => console.error('Error:', error)); // 捕获并处理错误

}

// 执行请求

//语音播报部分
let preText = "";
function speakFly(text) {
    if (preText == text) {
        return
    }
    preText = text;

    const audioPlayer = document.getElementById('chatAudio');
    const vcn = ["x4_lingxiaoqi_cts", "x4_lingyouyou", "x4_lingfeizhe_zl", "aisjinger", "aisbabyxu"];

    $.ajax({
        url: 'http://rgclass.iflysse.com:8200/text2audio',
        type: 'POST',
        contentType: 'application/x-www-form-urlencoded',
        data: {
            text: text,
            vcn: vcn[1],
            speed: 50
        },
        headers: {
            'Cache-Control': 'no-store'
        },
        success: function (data) {

            let timer01 = setTimeout(function () {
                 $(".message-content:last").text(text)
                $(".chat-content").animate({ scrollTop: $(".chat-content")[0].scrollHeight }, 1000);
                const url = `http://rgclass.iflysse.com:8200${data}`;
                audioPlayer.src = url;
                audioPlayer.load();
                audioPlayer.play();
                audioPlayer.onerror = function (e) {
                    setTimeout(function () {
                        audioPlayer.load();
                        audioPlayer.play();
                    }, 500);

                    console.error(e);
                };
				audioPlayer.addEventListener('ended', () => {//连续对话
			 	    voiceInputBtn.click();
				});
                clearTimeout(timer01);
                // console.log("text2audio success", url, audioPlayer);
            }, 1000);

        },
        error: function (jqXHR, textStatus, errorThrown) {
            console.error('text2audio error:', textStatus, errorThrown);
        }
    });

    let timer02 = setTimeout(function () {
        preText = "";
        clearTimeout(timer02);
    }, 5000);
}


const recorder = new RecorderManager("./dist");
recorder.onStart = () => {
    changeBtnStatus("OPEN");
}
let iatWS;
let resultText = "";
let resultTextTemp = "";
let countdownInterval;
let isListening = false;
/**
 * 获取websocket url
 * 该接口需要后端提供，这里为了方便前端处理
 */
function getWebSocketUrl() {
    // 请求地址根据语种不同变化
    var url = "wss://iat-api.xfyun.cn/v2/iat";
    var host = "iat-api.xfyun.cn";
    var apiKey = API_KEY;
    var apiSecret = API_SECRET;
    var date = new Date().toGMTString();
    var algorithm = "hmac-sha256";
    var headers = "host date request-line";
    var signatureOrigin = `host: ${host}\ndate: ${date}\nGET /v2/iat HTTP/1.1`;
    var signatureSha = CryptoJS.HmacSHA256(signatureOrigin, apiSecret);
    var signature = CryptoJS.enc.Base64.stringify(signatureSha);
    var authorizationOrigin = `api_key="${apiKey}", algorithm="${algorithm}", headers="${headers}", signature="${signature}"`;
    var authorization = btoa(authorizationOrigin);
    url = `${url}?authorization=${authorization}&date=${date}&host=${host}`;
    return url;
}

function toBase64(buffer) {
    var binary = "";
    var bytes = new Uint8Array(buffer);
    var len = bytes.byteLength;
    for (var i = 0; i < len; i++) {
        binary += String.fromCharCode(bytes[i]);
    }
    return window.btoa(binary);
}
function changeBtnStatus(status) {
    btnStatus = status;
    if (status === "CONNECTING") {
        //   btnControl.innerText = "建立连接中";
        //   document.getElementById("partial-result").innerText = "";
        resultText = "";
        resultTextTemp = "";
    }
}
let lydjs=null;
function renderResult(resultData) {
	clearTimeout(lydjs);
	lydjs=setTimeout(function(){
		iatWS.close();
	},3000);
    // 识别结束
    let jsonData = JSON.parse(resultData);
    if (jsonData.data && jsonData.data.result) {
        let data = jsonData.data.result;
        let str = "";
        let ws = data.ws;
        for (let i = 0; i < ws.length; i++) {
            str = str + ws[i].cw[0].w;
        }
		
        console.log(str);
		
        // 开启wpgs会有此字段(前提：在控制台开通动态修正功能)
        // 取值为 "apd"时表示该片结果是追加到前面的最终结果；取值为"rpl" 时表示替换前面的部分结果，替换范围为rg字段
        if (data.pgs) {
            if (data.pgs === "apd") {
                // 将resultTextTemp同步给resultText
                resultText = resultTextTemp;
                // 移除打字指示器
            }
            // 将结果存储在resultTextTemp中
            resultTextTemp = resultText + str;
        } else {
            resultText = resultText + str;
        }
		$(".typing-indicator").text(resultTextTemp);
        //   document.getElementById("partial-result").innerText =
        //     resultTextTemp || resultText || "";
    }
    if (jsonData.code === 0 && jsonData.data.status === 2) {

        iatWS.close();
    }
    if (jsonData.code !== 0) {
        iatWS.close();
        console.error(jsonData);
    }
}
function connectWebSocket() {
    const websocketUrl = getWebSocketUrl();
    if ("WebSocket" in window) {
        iatWS = new WebSocket(websocketUrl);
    } else if ("MozWebSocket" in window) {
        iatWS = new MozWebSocket(websocketUrl);
    } else {
        alert("浏览器不支持WebSocket");
        return;
    }
    changeBtnStatus("CONNECTING");
	console.log(iatWS);
    iatWS.onopen = (e) => {
        isListening = true;
        voiceInputBtn.classList.add('active');
        voiceInputBtn.innerHTML = '<i class="fa fa-stop"></i>';
        voiceStatus.textContent = '正在聆听...';

        // 添加用户正在说话的UI反馈
        addMessage('user', '<div class="typing-indicator"><span></span><span></span><span></span></div>');
        // 开始录音
        recorder.start({
            sampleRate: 16000,
            frameSize: 1280,
        });
        var params = {
            common: {
                app_id: APPID,
            },
            business: {
                language: "zh_cn",
                domain: "iat",
                accent: "mandarin",
                vad_eos: 5000,
                dwa: "wpgs",
            },
            data: {
                status: 0,
                format: "audio/L16;rate=16000",
                encoding: "raw",
            },
        };
		console.log("asd");
        iatWS.send(JSON.stringify(params));
		clearTimeout(lydjs);
		lydjs=setTimeout(function(){
			iatWS.close();
		},3000);
    };
    iatWS.onmessage = (e) => {
		console.log("asdas")
        renderResult(e.data);
        console.log(e.data);
    };
    iatWS.onerror = (e) => {
        console.error(e);
        recorder.stop();
        changeBtnStatus("CLOSED");
    };
    iatWS.onclose = (e) => {
        removeLastUserMessage();
		if(resultTextTemp!=''){
			// 显示用户的语音输入
			addMessage('user', resultTextTemp);
			// 模拟AI回复
			// setTimeout(() => {
			addMessage('bot', '我正在处理你的请求...');
			// }, 1000);
			sendRequest(resultTextTemp,function(response){           
			    speakFly(response)
			});
		}
			
		
       voiceInputBtn.innerHTML = '<i class="fa fa-microphone"></i>';
	   voiceInputBtn.classList.remove('active');
	   
	   voiceStatus.textContent = '';
isListening = false;
        recorder.stop();
        changeBtnStatus("CLOSED");
    };
}

recorder.onFrameRecorded = ({ isLastFrame, frameBuffer }) => {
    if (iatWS.readyState === iatWS.OPEN) {
        iatWS.send(
            JSON.stringify({
                data: {
                    status: isLastFrame ? 2 : 1,
                    format: "audio/L16;rate=16000",
                    encoding: "raw",
                    audio: toBase64(frameBuffer),
                },
            })
        );
        if (isLastFrame) {
            changeBtnStatus("CLOSING");
        }
    }
};
recorder.onStop = () => {
    clearInterval(countdownInterval);
};

voiceInputBtn.onclick = function () {
    if (btnStatus === "UNDEFINED" || btnStatus === "CLOSED") {
        connectWebSocket();
    } else if (btnStatus === "CONNECTING" || btnStatus === "OPEN") {
        // 结束录音
        recorder.stop();
    }
};
// 打开/关闭聊天对话框
chatIcon.addEventListener('click', () => {
    chatDialog.classList.toggle('open');

    // 打开对话框后移除通知徽章
    // if (chatDialog.classList.contains('open')) {
    //     notificationBadge.classList.remove('active');
    //     setTimeout(() => {
    //         notificationBadge.style.display = 'none';
    //     }, 300);
    // }
});

closeChat.addEventListener('click', () => {
    chatDialog.classList.remove('open');
});



// 添加消息到聊天界面
function addMessage(type, content) {
    const chatContent = document.querySelector('.chat-content');
    const messageDiv = document.createElement('div');
    messageDiv.className = `message ${type}`;
    messageDiv.innerHTML = `<div class="message-content">${content}</div>`;
    chatContent.appendChild(messageDiv);

    // 滚动到底部
    chatContent.scrollTop = chatContent.scrollHeight;
}

// 移除最后一条用户消息（用于移除打字指示器）
function removeLastUserMessage() {
    const chatContent = document.querySelector('.chat-content');
    const messages = chatContent.querySelectorAll('.message');

    if (messages.length > 0) {
        const lastMessage = messages[messages.length - 1];
        if (lastMessage.classList.contains('user')) {
            chatContent.removeChild(lastMessage);
        }
    }
}

// 添加窗口点击事件，点击外部关闭聊天框
window.addEventListener('click', (event) => {
    if (event.target === chatDialog) {
        chatDialog.classList.remove('open');
    }
});