import { defineStore } from "pinia";
import { EMClient } from "@/EaseIM";
import { CHAT_TYPE } from "@/EaseIM/constant";
import { getEMKey } from "@/EaseIM/utils";

export const useConversationStore = defineStore("conversation", {
  state: () => {
    return {
      chattingId: "",               //进入聊天页面聊天中的目标聊天用户信息
      conversationList: [],
      userId: "",                   //好友用户id
      userLevel: "",                //好友等级

      inputBarHeight: 160,          // 默认高度
      expandedInputBarHeight: 300,  // 展开时高度
      userFriendInfo: {},           //好友信息
      userInfo:{},                  //当前登录用户信息
      avatar: "",                   //当前登录用户头像
      friendAvatar: "",             //好友头像
    };
  },
  getters: {
    //排序会话列表
    sortedConversationList() {
      return this.conversationList.sort((a, b) => {
        return b.time - a.time;
      });
    },
    //会话未读总数
    calcAllUnReadNumFromConversation() {
      return this.conversationList.reduce((a, c) => a + c.unread_num, 0);
    },
  },
  actions: {
    //当前登录人的头像
  
    setAvatar(listener) {
      this.avatar = listener;
    },
    //好友头像
    setFriendAvatar(listener) {
      this.friendAvatar = listener;
    },

    // 当前登录用户的信息
    setUserInfo(listener) {
      this.userInfo = listener;
    },
    // 好友的信息
    setFriendInfo(listener) {
      this.userFriendInfo= listener;
    },

    // 输入框高度
     expandInputBar() {
      this.inputBarHeight = this.expandedInputBarHeight;
    },
    
    collapseInputBar() {
      this.inputBarHeight = 180;
    },
    // 好友的环信
    setChattingUserId(channel_id) {
      this.chattingId = channel_id;
    },
    // 好友用户id
    setUserId(userId) {
      this.userId = userId;
    },
    // 和好友的等级
    setUserLevel(userLevel) {
      this.userLevel = userLevel;
    },
    setConversationList(conversationList) {
      const rePackageConversationList = [];
      conversationList?.length &&
        conversationList.map((channel) => {
          const conversationBody = {
            channel_id: "",
            chatType: "",
            lastMessage: {},
            unread_num: 0,
            time: 0,
          };
          const { channel_id, unread_num, lastMessage } = channel;
          const { from, to, time } = lastMessage;
          const regexp = /.*@easemob.com$/;
          const chatType =
            (regexp.test(channel_id) && CHAT_TYPE.SINGLE_CHAT) ||
            CHAT_TYPE.GROUP_CHAT; //判断是单聊会话还是群组或聊天室会话
          conversationBody.channel_id = getEMKey(
            EMClient.user,
            from,
            to,
            chatType
          );
          conversationBody.chatType = chatType;
          conversationBody.lastMessage = channel.lastMessage;
          conversationBody.unread_num = unread_num;
          conversationBody.time = time;
          return rePackageConversationList.push(conversationBody);
        });
      this.conversationList = rePackageConversationList;
    },
    async deleteConversation(channel_id) {
      this.conversationList.length &&
        this.conversationList.forEach((channel, index) => {
          if (channel.channel_id === channel_id) {
            this.conversationList.splice(index, 1);
          }
        });
    },
    updateConversationLastMessage(channel_id, message) {
      const { time, from, to } = message;
      let foundChannel = false;
      this.conversationList.forEach((channel) => {
        if (channel.channel_id === channel_id) {
          //要更新的lastmsg消息来源不为当前id，且不为正在会话中的id则累加未读数。
          if (from !== EMClient.user && this.chattingId !== channel_id) {
            channel.unread_num = channel.unread_num + 1;
          }
          channel.time = time;
          channel.lastMessage = message;
          foundChannel = true;
          return;
        }
      });
      // 如果没有找到要更新的会话，则新增一个会话对象
      if (!foundChannel) {
        const conversationBody = {
          channel_id: channel_id,
          chatType: message.chatType,
          lastMessage: message,
          unread_num: message.from !== EMClient.user ? 1 : 0,
          time: time,
        };
        this.conversationList.push(conversationBody);
      }
    },
    clearConversationUnReadNum(channel_id) {
      this.conversationList.forEach((channel) => {
        if (channel.channel_id === channel_id) {
          channel.unread_num = 0;
        }
      });
    },
  },
});