import im from "@/utils/im/index.js"

export default {
    state: {
        friends: {},
        sender: {},
    },
    getters: {
        friends(state) {
            return state.friends
        },
        userInfo: (state) => (targetId) => {
            if (state.friends[targetId]) {
                return state.friends[targetId]
            } else {
                console.log('没找到,死循环了，得处理  todo', targetId);
                // im.syncUserInfo(targetId)
                return {
                    name: '',
                    address: '',
                    hash: '',
                    portraitUrl: ''
                }
            }
        },
        hasUser: (state) => (targetId) => {
            return Boolean(state.friends[targetId])
        },
        sender(state) {
            return state.sender
        }
    },
    mutations: {
        updateFriends(state, userInfo) {
            Vue.set(state.friends, userInfo.userId, userInfo)
        },
        SET_state_sender(state, userInfo) {
            state.sender = userInfo
        }
    },
    actions: {
        setSenderInfo({
            commit
        }, userInfo) {
            commit('SET_state_sender', userInfo)
        },
        updateFriends({
            commit
        }, userInfo) {
            commit('updateFriends', userInfo)
            const model = uni.model.friendModel
            model.find('userId=' + userInfo.userId, (err, user) => {
                if (!err && user.length == 0) {
                    saveAvatar(userInfo, (savedFilePath) => {
                        model.insert({
                            userId: userInfo.userId,
                            name: userInfo.name,
                            hash: userInfo.hash,
                            address: userInfo.address,
                            portraitUrl: savedFilePath,
                        }, (err, result) => {})
                        userInfo.portraitUrl = savedFilePath
                        commit('updateFriends', userInfo)
                    })
                } else if (!err && user[0].hash != userInfo.hash) {
                    saveAvatar(userInfo, (savedFilePath) => {
                        model.update('userId=' + userInfo.userId, {
                            name: userInfo.name,
                            hash: userInfo.hash,
                            portraitUrl: savedFilePath,
                        }, (err, result) => {})
                        userInfo.portraitUrl = savedFilePath
                        commit('updateFriends', userInfo)
                    })
                } else if (!err && user[0].portraitUrl.length > 50) {
                    saveAvatar(userInfo, (savedFilePath) => {
                        model.update('userId=' + userInfo.userId, {
                            name: userInfo.name,
                            hash: userInfo.hash,
                            portraitUrl: savedFilePath,
                        }, (err, result) => {})

                        userInfo.portraitUrl = savedFilePath
                        commit('updateFriends', userInfo)
                    })
                } else {
                    console.log('不用操作', user[0]);
                }
            })
        }
    }
}

const saveAvatar = (userInfo, callback) => {
    uni.downloadFile({
        url: userInfo.portraitUrl,
        success: ({
            tempFilePath
        }) => {
            uni.saveFile({
                tempFilePath: tempFilePath,
                success: ({
                    savedFilePath
                }) => {
                    callback(savedFilePath)
                }
            })
        },
        fail: (err) => {
            console.log('头像保存失败', err);
        }
    })
}