// src/stores/websocket.ts
import { defineStore } from "pinia";
import { $root as protobuf } from "@/common/proto/proto";
import * as Constant from "@/common/constant/Constant";
import { useWalletStore } from "@/stores/modules/walletStore";
import { getMessageApi } from "@/api/path/im.api";
import { MSG_TYPE, MSG_TYPE_MAP } from "@/common/constant/msgType";


const IM_PATH = import.meta.env.VITE_IM_PATH_FIlE;

export const useWebSocketStore = defineStore("webSocketStore", {
  // 状态定义
  state: () => ({
    socket: null, // socket实例
    peer: null, // peer实例
    lockConnection: false, // 锁定连接
    reconnectAttempts: 0, // 重连次数
    maxReconnectAttempts: 5, // 最大重连次数
    reconnectInterval: 3000, // 重连间隔
    messages: [], // 消息列表
    toAvatar: "",
    unreadMessages: [], // 未读消息列表
    uuid: null,

    // 心跳检测配置
    heartCheck: {
      timeout: 10000, // 连接丢失后，多长时间内没有收到服务端的消息，则认为连接已断开
      timeoutObj: null, // 定时器对象
      serverTimeoutObj: null, // 服务器定时器对象
      num: 3, // 重连次数
    },
  }),

  // 计算属性
  getters: {
    isConnected: (state) => state.socket?.readyState === WebSocket.OPEN,
    hasUnreadMessages: (state) => state.unreadMessages.length > 0,
  },

  // 方法
  actions: {
    async getMessages(params) {
      const { data } = await getMessageApi({
        messageType: params.messageType,
        uuid: params.uuid,
        friendUsername: params.friendUsername,
      });
      this.messages = data.map(item =>{ 
        item.avatar = item.avatar ?  IM_PATH +item.avatar :  item.avatar
        return item
      }) || [];
    },
    // 初始化socket
    startHeartbeat() {
      const self = this;
      const _num = this.heartCheck.num;

      this.heartCheck.timeoutObj && clearTimeout(this.heartCheck.timeoutObj);
      this.heartCheck.serverTimeoutObj &&
        clearTimeout(this.heartCheck.serverTimeoutObj);

      this.heartCheck.timeoutObj = setTimeout(() => {
        if (this.socket?.readyState === WebSocket.OPEN) {
          const data = {
            type: "heatbeat",
            content: "ping",
          };
          const MessageType = protobuf.lookupType("protocol.Message");
          const messagePB = MessageType.create(data);
          const buffer = MessageType.encode(messagePB).finish();
          this.socket.send(buffer);
        }

        self.heartCheck.serverTimeoutObj = setTimeout(() => {
          _num--;
          if (_num <= 0) {
            console.log("the ping num is more then 3, close socket!");
            this.socket?.close();
          }
        }, self.heartCheck.timeout);
      }, this.heartCheck.timeout);
    },

    resetHeartbeat() {
      this.heartCheck.timeoutObj && clearTimeout(this.heartCheck.timeoutObj);
      this.heartCheck.serverTimeoutObj &&
        clearTimeout(this.heartCheck.serverTimeoutObj);
      this.heartCheck.num = 3;
    },
    // 链接ws
    connect(userUuid) {
      if (!userUuid) return;
      console.log("开始连接...");
      this.disconnect(); // 确保先断开现有连接

      this.peer = new RTCPeerConnection();
      this.socket = new WebSocket(
        `ws://192.168.0.59:8888/api/v1/socket.io?user=${userUuid}`
      );

      this.socket.onopen = () => {
        this.startHeartbeat();
        console.log("WebSocket连接成功");
        this.webrtcConnection();
      };

      this.socket.onmessage = (event) => {
        this.startHeartbeat();
        this.handleMessage(event.data);
      };

      this.socket.onclose = () => {
        console.log("连接关闭，尝试重新连接...");
        this.resetHeartbeat();
        this.reconnect();
      };

      this.socket.onerror = (error) => {
        console.error("WebSocket错误:", error);
        this.resetHeartbeat();
        this.reconnect();
      };
    },
    // 处理消息
    handleMessage(data) {
      const MessageType = protobuf.lookupType("protocol.Message");
      const reader = new FileReader();

      reader.onload = (event) => {
        try {
          const messagePB = MessageType.decode(
            new Uint8Array(event.target?.result)
          );
          const message = MessageType.toObject(messagePB, {
            longs: String,
            enums: String,
            bytes: String,
          });

          console.log("收到消息:", message);
          // 处理消息
          // if (MSG_TYPE_MAP.includes(message.messageType)) {

          // 文本消息
          message.avatar = this.toAvatar
          if (message.contentType === MSG_TYPE.TEXT) {
            this.messages.push({
              ...message,
              toUsername: message.to,
            });
          }
          // 音频消息
          if (message.contentType === MSG_TYPE.AUDIO) {
            const audioBlob = new Blob([message.file], {
              type: `audio/${message.fileSuffix}`,
            });
            // 生成可播放的 ObjectURL
            const audioUrl = URL.createObjectURL(audioBlob);
            this.messages.push({
              ...message,
              file: audioUrl,
              toUsername: message.to,
            });
          }

          if (message.type === "heatbeat") return;

          if (message.type === Constant.MESSAGE_TRANS_TYPE) {
            this.dealWebRtcMessage(message);
            return;
          }

          // 其他消息处理逻辑...
        } catch (error) {
          console.error("消息解码错误:", error);
        }
      };

      reader.readAsArrayBuffer(data);
    },
    // 处理WebRTC消息
    webrtcConnection() {
      if (!this.peer) return;

      this.peer.onicecandidate = (e) => {
        if (e.candidate && this.socket) {
          const candidate = {
            type: "answer_ice",
            iceCandidate: e.candidate,
          };
          const message = {
            content: JSON.stringify(candidate),
            type: Constant.MESSAGE_TRANS_TYPE,
          };
          this.sendMessage(message);
        }
      };

      this.peer.ontrack = (e) => {
        if (e && e.streams) {
          const remoteVideo = document.getElementById("remoteVideoReceiver");
          const remoteAudio = document.getElementById("audioPhone");

          if (remoteVideo) remoteVideo.srcObject = e.streams[0];
          if (remoteAudio) remoteAudio.srcObject = e.streams[0];
        }
      };
    },
    // 断线重连
    reconnect() {
      if (
        this.lockConnection ||
        this.reconnectAttempts >= this.maxReconnectAttempts
      ) {
        return;
      }

      this.lockConnection = true;
      this.reconnectAttempts++;

      console.log(
        `重新连接中... (尝试 ${this.reconnectAttempts}/${this.maxReconnectAttempts})`
      );

      setTimeout(() => {
        this.connect(localStorage.uuid);
        this.lockConnection = false;
      }, this.reconnectInterval);
    },
    // 重连
    disconnect() {
      if (this.socket) {
        this.resetHeartbeat();
        this.socket.close();
        this.socket = null;
      }
      if (this.peer) {
        this.peer.close();
        this.peer = null;
      }
      this.reconnectAttempts = 0;
    },
    // 发送消息
    sendMessage(messageData) {
      if (!this.socket || this.socket.readyState !== WebSocket.OPEN) {
        console.error("WebSocket未连接");
        return false;
      }

      const walletStore = useWalletStore();
      let data = {
        ...messageData,
        fromUsername: walletStore.username,
        from: walletStore.account,
      };
      console.log("发送消息=", data);
      try {
        const MessageType = protobuf.lookupType("protocol.Message");
        const messagePB = MessageType.create(data);
        const buffer = MessageType.encode(messagePB).finish();
        this.socket.send(buffer);

        data.avatar = walletStore.avatar
        // 文本消息
        if (data.contentType == MSG_TYPE.TEXT) {
          this.messages.push({
            ...data,
            toUsername: data.friendUsername,
          });
        }

        // 音频消息
        if (data.contentType === MSG_TYPE.AUDIO) {
          const blob = new Blob([data.file], { type: data.fileSuffix });
          const url = URL.createObjectURL(blob);
          console.log("url=",url)
          this.messages.push({
            ...data,
            toUsername: data.to,
            localUrl: url,
          });
        }

        return true;
      } catch (error) {
        console.error("消息编码错误:", error);
        return false;
      }
    },
    // 发送WebRTC消息
    dealWebRtcMessage(message) {
      // 实现WebRTC消息处理逻辑
    },
  },
});