import storage from '@/uni_modules/vrapile-im/utils/storage'
import constant from '@/uni_modules/vrapile-im/utils/constant'
import { getChatKey } from '@/uni_modules/vrapile-im/utils/tiosocket';

	// 外部需提供获取用户好友，获取用户所有群，以及群中所有用户三个接口
import { getUserAllFriend, getUserAllGroup, getGroupUser } from '@/api/chat'

const chat = {
	state: {
		friendList: storage.get(constant.friendList) || [],
		groupList: storage.get(constant.groupList) || [],
		userObject: storage.get(constant.userObject) || {},
		groupObject: storage.get(constant.groupObject) || {},
		chatList: storage.get(constant.chatList) || []
	},
	
	mutations: {
		// 清空聊天列表
	  CLEAN_CHAT_LIST: (state) => {
			state.chatList = new Array();
			storage.set(constant.chatList, state.chatList)
	  }, 
		// 存储好友聊天列表
	  SET_CHAT_FRIEND_LIST: (state, data) => {
			state.friendList = data;
	    storage.set(constant.friendList, data)
			
			for(let item of data){
				item["key"] = getChatKey(item["type"], item["friendId"], item["userId"])
				item["haveHistory"] = 1;
				item["id"] = item["friendId"];
				item["name"] = item["remarkName"] || item["nickName"];
				item["messageNum"] = 0;
				item["messageList"] = [];
				item["messageShow"] = "";
				item["messageLast"] = {};
				state.chatList.push(item) 
			}
			storage.set(constant.chatList, state.chatList)
	  }, 
		// 存储群聊列表
	  SET_CHAT_GROUP_LIST: (state, data) => {
			state.groupList = data;
	    storage.set(constant.groupList, data)
			
			for(let item of data){
				item["key"] = getChatKey(item["type"], item["id"], item["userId"])
				item["haveHistory"] = 1;
				item["id"] = item["id"];
				item["name"] = item["remarkName"] || item["name"]
				item["messageNum"] = 0;
				item["messageList"] = [];
				item["messageShow"] = "";
				item["messageLast"] = {};
				state.chatList.push(item) 
			}
			storage.set(constant.chatList, state.chatList)
	  }, 
		// 存储用户对象，方便寻找用户名，头像等
	  SET_USER_OBJECT: (state, userObject) => {
			state.userObject[userObject.userId] = userObject;
	    storage.set(constant.userObject, state.userObject)
	  }, 
		// 存储群组对象，方便寻找群组名，头像等
	  SET_GROUP_OBJECT: (state, groupObject) => {
			state.groupObject[groupObject.id] = groupObject;
	    storage.set(constant.groupObject, state.groupObject)
	  }   
	},
	
  actions: {
		// 获取登录用户所有聊天列表
		GetChatList({ commit, state }, params) {
      return new Promise((resolve, reject) => {
				commit('CLEAN_CHAT_LIST');
				// 查询好友
      	getUserAllFriend().then(res => { 
					let list = []
					for(let item of res.data){
						list.push({type: 0, ...item, userId: params.userId})
						commit('SET_USER_OBJECT', item)
					}
          commit('SET_CHAT_FRIEND_LIST', list)
					
					// 查询群组
					getUserAllGroup().then(res1 => { 
						let list = []
						for(let item1 of res1.data){
							list.push({type: 1, ...item1, userId: params.userId})
							// 查询群组人员
							getGroupUser(item1.id).then(res2 => {  
								for(let user of res2.data){
									commit('SET_USER_OBJECT', user)
								}
								resolve(res2)
							});
							commit('SET_GROUP_OBJECT', item1)
						}
						commit('SET_CHAT_GROUP_LIST', list)
					}).catch(error => {
						reject(error)
					})
        }).catch(error => {
          reject(error)
        })
      })
		}
  },
	
	getters: {
		getUserAvatar: (state) => (userId, defaultAvatar) => {
			if(state.userObject[userId] && state.userObject[userId]["avatar"]){
				return state.userObject[userId]["avatar"]
			}
			return defaultAvatar || '/uni_modules/vrapile-im/static/image/yy.png';
		},
		getGroupAvatar: (state) => (groupId, defaultAvatar) => {
			if(state.groupObject[groupId] && state.groupObject[groupId]["avatar"]){
				return state.groupObject[groupId]["avatar"]
			}
			return defaultAvatar || '/uni_modules/vrapile-im/static/image/yy.png';
		},
		getUserName: (state) => (userId, defaultName) => {
			if(state.userObject[userId]){
				return state.userObject[userId]["remarkName"] || state.userObject[userId]["nickName"] || defaultName
			}
			return defaultName || "无名";
		},
		getGroupName: (state) => (groupId, defaultName) => {
			if(state.groupObject[groupId]){
				return state.groupObject[userId]["remarkName"] || state.groupObject[userId]["name"] || defaultName
			}
			return defaultName || "无名";
		}
	}
}

export default chat