import {
    CACHE_USERINFO,
    CACHE_TOKEN,
    CACHE_EXPIRES_TIME
} from '../../config.js';
import Util from '../../utils/util.js';
import {
    getLogo
} from '../../api/api.js';
import {
    login
} from '../../api/user.js';

let app = getApp();

Component({
    properties: {
        // 当前授权窗口是否隐藏
        iShidden: {
            type: Boolean,
            value: true,
        },
        // 是否自动登录
        isAuto: {
            type: Boolean,
            value: true,
        },
        // 是否跳转到首页
        isGoIndex: {
            type: Boolean,
            value: true,
        },
    }, // properties

    data: {
        errorCount: 0,
        errorMaxNum: 3,
        code: null, // wx login code
        canIUseGetUserProfile: false, // 判断是否为最新获取用户信息函数
        canIUseGetUserInfo: false
    }, // data

    attached() {
        this.get_logo_url();
        this.setAuthStatus();
        if (wx.getUserProfile) {
            this.setData({
                canIUseGetUserProfile: true
            })
        }
        if (wx.getUserInfo) {
            this.setData({
                canIUseGetUserInfo: true
            })
        }
    }, // attached

    methods: {
        close() {
            let pages = getCurrentPages();
            let currPage = pages[pages.length - 1];
            if (this.data.isGoIndex) {
                wx.switchTab({
                    url: '/pages/index/index'
                });
            } else {
                this.setData({
                    iShidden: true
                });
                if (currPage && currPage.data.iShidden != undefined) {
                    currPage.setData({
                        iShidden: true
                    });
                }
            }
        }, // close()

        get_logo_url: function () {
            var that = this;
            if (wx.getStorageSync('logo_url')) {
                return this.setData({
                    logo_url: wx.getStorageSync('logo_url')
                });
            }
            getLogo().then(res => {
                wx.setStorageSync('logo_url', res.data.logo_url);
                that.setData({
                    logo_url: res.data.logo_url
                });
            });
        }, // get_logo_url()

        //检测登录状态并执行自动登录
        setAuthStatus() {
            var that = this;
            Util.checkWxLogin().then((res) => {
                let pages = getCurrentPages();
                let currPage = pages[pages.length - 1];
                if (currPage && currPage.data.iShidden != undefined) {
                    currPage.setData({
                        iShidden: true
                    });
                }
                if (res.isLogin) {
                    if (!Util.isLoginValid()) {
                        return Promise.reject({
                            authSetting: true,
                            msg: '用户token失效',
                            userInfo: res.userInfo
                        });
                    }
                    that.triggerEvent('onLoadFun', app.globalData.userInfo);
                } else {
                    wx.showLoading({
                        title: '正在登录中'
                    });
                    that.setUserInfo(res.userInfo, true);
                }
            }).catch(res => {
                if (res.authSetting === false) {
                    //没有授权不会自动弹出登录框
                    if (that.data.isAuto === false) return;
                    //自动弹出授权
                    that.setData({
                        iShidden: false
                    });
                } else if (res.authSetting) {
                    //授权后登录token失效了
                    that.setUserInfo(res.userInfo);
                }
            })
        }, // setAuthStatus()

        wxSilentLogin: function () {
            return new Promise((resolve, reject) => {
                wx.login({
                    success(res) {
                        resolve(res.code)
                    },
                    fail(err) {
                        reject(err)
                    }
                })
            })
        }, // wxSilentLogin

        // 获取用户信息
        agreeAndAuth() {
            let that = this;
            wx.showLoading({
                title: '正在登录中'
            });
            let p1 = this.wxSilentLogin()
            let p2 = Util.wxGetUserProfile()
            Promise.all([p1, p2]).then((res) => {
                let userInfo = res[1];
                userInfo.code = res[0];
                // console.log(userInfo);
                that.loginAuth(userInfo);
            }).catch((err) => {
                console.log(err)
            })
        }, // agreeAndAuth

        //授权
        setUserInfo(userInfo, isLogin) {
            let that = this;
            wx.showLoading({
                title: '正在登录中'
            });
            if (isLogin) {
                that.loginAuth(userInfo);
            } else {
                Util.wxLogin((res) => {
                    Util.wxGetUserProfile().then(userInfo => {
                        userInfo.code = res.code;
                        that.loginAuth(userInfo);
                    }).catch(res => {
                        wx.hideLoading();
                    });
                });
            }
        }, // setUserInfo()

        // 从后台获取详细信息
        loginAuth: function (userInfo) {
            let that = this;
            userInfo.spread_spid = app.globalData.spid; //获取推广人ID
            userInfo.spread_code = app.globalData.code; //获取推广人分享二维码ID
            // 发送到后台
            login(userInfo).then(res => {
                app.globalData.token = res.data.token;
                app.globalData.isLog = true;
                app.globalData.userInfo = res.data.userInfo;
                app.globalData.expiresTime = res.data.expires_time;
                wx.setStorageSync(CACHE_TOKEN, res.data.token);
                wx.setStorageSync(CACHE_EXPIRES_TIME, res.data.expires_time);
                wx.setStorageSync(CACHE_USERINFO, JSON.stringify(res.data.userInfo));
                if (res.data.cache_key) {
                    wx.setStorage({
                        key: 'cache_key',
                        data: res.data.cache_key
                    });
                }
                //取消登录提示
                wx.hideLoading();
                //关闭登录弹出窗口
                that.setData({
                    iShidden: true,
                    errorCount: 0
                });
                //执行登录完成回调
                that.triggerEvent('onLoadFun', app.globalData.userInfo);
            }).catch((err) => {
                wx.hideLoading();
                that.data.errorCount++;
                that.setData({
                    errorCount: that.data.errorCount
                });
                if (that.data.errorCount >= that.data.errorMaxNum) {
                    Util.Tips({
                        title: err
                    });
                } else {
                    that.setUserInfo(userInfo);
                }
            });
        }, // loginAuth()

        // 点击打开用户协议
        onTabRegular: function () {
            wx.navigateTo({
                url: `/pages/user_license/license`
            })
        } //onTabRegular
    }, // methods
})