'use strict';
const serviceAPI = global.yoho.ServiceAPI;
const _ = require('lodash');
const rp = require('request-promise');

/* 微信相关 */
const wxCode = {
    wxAppId: 'wx75e5a7c0c88e45c2',
    wxAppSecret: 'ce21ae4a3f93852279175a167e54509b'
};

module.exports = class extends global.yoho.BaseModel {
    constructor(ctx) {
        super(ctx);
    }

    /**
     * 获取微信授权地址
     * @param callback
     * @returns {string}
     */
    getWxOauthUrl(callback) {
        return 'https://open.weixin.qq.com/connect/oauth2/authorize?appid=' +
            wxCode.wxAppId + '&redirect_uri=' + callback +
            '&response_type=code&scope=snsapi_userinfo#wechat_redirect';
    }

    /**
     * 生成分享url
     * @param shareUid
     * @param actId
     * @param nums
     * @returns {string}
     */
    createShareUrl(shareUid, actId, nums) {
        return 'http://m.yohobuy.com/activity/invite/share_' + shareUid + '_' + actId + '_' + nums + '.html';
    }

    /**
     * 根据第三方id，查询绑定信息
     * @param {[string || array]} openIds 第三方id数组
     * @return {[array]}
     */
    getBindLogByOpenId(openIds) {
        openIds = _.isArray(openIds) ? openIds : [openIds];
        return this.get({
            data: {
                method: 'wap.invite.getBindLogByOpenId',
                openIds: openIds.join(',')
            }
        });
    }

    /**
     * 合并第三方头像和昵称
     * @param {[array]} data 邀请的用户列表，最主要的是openId字段
     * @return {[array]}
     */
    mergeBindLogDate(data) {
        let openIds = [];
        let photo = '//static.yohobuy.com/m/v1/activity/newyear/images/108.png';

        // 取5条
        data = _.slice(data, 0, 5);

        _.forEach(data, (req) => {
            openIds.push(req.openId);
        });

        return this.getBindLogByOpenId(openIds).then(result => {
            if (!_.isEmpty(result.data)) {
                _.forEach(data, (req, key) => {
                    data[key].img = photo;
                    _.forEach(result.data, (bind) => {
                        if (req.openId === bind.openId) {
                            data[key].img = _.isEmpty(bind.snsHeadimg) ?
                                photo : bind.snsHeadimg;
                            data[key].nick = bind.snsNick;
                        }
                    });
                });
            }
            return data;
        });
    }

    /**
     * 获取分享页面列表数据
     * @param {[int]} uid 用户id
     * @param {[int]} activityId 活动id
     * @return {[array]}
     */
    index(params) {
        params = params || {};

        return this.get({
            data: Object.assign({
                method: 'wap.invite.index'
            }, params)
        }).then((result) => {
            let firstData = {
                isNil: false,
                isEmpty: false,
                isFive: false,
                isGo: false,
                remainData: ['', '', '', '', ''],
                data: []
            };

            switch (result.code) {
                case 401:
                    // 没有分享记录
                    firstData.isNil = true;
                    break;
                case 200:
                    return this.mergeBindLogDate(result.data).then(data => {
                        let len = data.length;

                        // 判断是否否5条分享
                        result.data = data;

                        if (len === 0) {
                            firstData.isEmpty = true;
                        } else if (len < 5) {
                            firstData.remainData =
                                _.slice(firstData.remainData, 0, 5 - len);
                        } else {
                            firstData.isFive = true;
                            firstData.remainData = [];
                        }

                        return Object.assign(firstData, result);
                    });
                default:
                    // 活动状态不正确
                    firstData.isGo = true;
                    break;
            }

            return Object.assign(firstData, result);
        });
    }

    /**
     * 通过手机号发送验证码
     * @param {[int]} area 区域,中国:86
     * @param {[string]} mobile 手机号
     * @return {[array]}
     */
    sendRegCodeToMobile(params) {
        return this.get({
            data: Object.assign({
                method: 'app.register.sendRegCodeToMobile'
            }, params)
        });
    }

    /**
     * 发送已注册用户参与活动的优惠券
     * @param {[string]} mobile 手机号
     * @param {[int]} activityId 活动id
     * @return {[array]}
     */
    checkOldUserCoupon(params) {
        return this.get({
            data: Object.assign({
                method: 'wap.invite.checkOldUserCoupon'
            }, params)
        });
    }

    /**
     * 验证手机验证码是否正确
     * @param {[int]} area 区域,中国:86
     * @param {[string]} mobile 手机号
     * @param {[int]} code 验证码
     * @return {[array]}
     */
    validRegCode(params) {
        return this.get({
            data: Object.assign({
                method: 'app.register.validRegCode'
            }, params)
        });
    }

    /**
     * 手机账号注册
     * @param {[string]} mobile 手机号
     * @param {[string]} activityName 活动名称
     * @return {[array]}
     */
    register(params) {
        return this.get({
            data: Object.assign({
                method: 'wap.invite.register'
            }, params)
        });
    }

    /**
     * 微信好友获取红包方法(即分享出去的地址)
     * @param {[int]} uid 分享用户id
     * @param {[int]} activityId 活动id
     * @param {[int]} nums 发送优惠券的数量
     * @param {[String]} openId 微信的union_id
     * @param {[String]} nickName 微信昵称
     * @param {[String]} headImgUrl 微信头像
     * @returns {[array]}
     */
    shareModel(params) {
        let firstData = {
            isEmpty: false,
            isFive: false,
            isGo: false,
            remainData: ['', '', '', '', ''],
            data: []
        };
        let listData = [];

        // 这里面的逻辑就是获取第三方用户的头像和昵称，然后插入数据和更新数据
        return this.get({
            data: Object.assign({
                method: 'wap.invite.share'
            }, params)
        }).then((result) => {
            // list为空，说明不是分享者本人
            if (result.code !== 200 || _.isEmpty(result.data.list)) {
                return result;
            }

            return this.mergeBindLogDate(result.data.list).then(data => {
                let len = data.length;

                // 判断是否满5条分享
                listData = data;

                if (len === 0) {
                    firstData.isEmpty = true;
                } else if (len < 5) {
                    firstData.remainData =
                        _.slice(firstData.remainData, 0, 5 - len);
                } else {
                    firstData.isFive = true;
                    firstData.remainData = [];
                }

                firstData.data = listData;
                result.data.list = firstData;

                // 释放内存
                listData = [];
                return result;
            });
        });
    }

    /**
     * 邀请好友赢福利之后领取优惠券
     * @param {[int]} uid 用户id
     * @param {[int]} activityId 活动id
     * @param {[int]} nums 发送优惠券的数量
     * @param {[int]} shareUid 分享者的uid
     * @param {[string]} openId 微信的union_id
     * @returns {[array]}
     */
    receiveCoupons(params) {
        return this.get({
            data: Object.assign({
                method: 'wap.invite.receiveCoupons'
            }, params)
        });
    }

    /**
     * 获取分享列表和用户信息
     * @param  {[int]} uid 用户id
     * @param  {[int]} shareUid 分享着uid
     * @param  {[int]} nums 发送优惠券的数量
     * @param  {[int]} amount 金额
     * @param  {[int]} activityId 活动id
     * @return {[array]}
     */
    myCoupons(params) {
        let mobile;
        let firstData = {
            isEmpty: false,
            isFive: false,
            isGo: false,
            remainData: ['', '', '', '', ''],
            data: []
        };
        let listData = [];

        return this.get({
            data: Object.assign({
                method: 'wap.invite.myCoupons'
            }, params)
        }).then((result) => {

            if (result.code !== 200) {
                return result;
            }

            return this.mergeBindLogDate(result.data.list).then(data => {
                listData = data;

                if (listData.length < 5) {
                    firstData.remainData =
                        _.slice(firstData.remainData, 0, 5 - listData.length);
                } else {
                    firstData.isFive = true;
                    firstData.remainData = [];
                }

                firstData.data = listData;
                result.data.list = firstData;

                mobile = result.data.myProfile.mobile;
                result.data.myProfile.encMobile = mobile.replace(mobile.substring(3, 7), '****');

                // 释放内存
                listData = [];
                return [result.data.list, result.data.myProfile];
            });
        });
    }

    /**
     * 授权后获取微信用户信息
     * @return {[array]}
     */
    getWxUserInfo(params) {
        let url1 = 'https://api.weixin.qq.com/sns/oauth2/access_token?appid=' +
            wxCode.wxAppId + '&secret=' + wxCode.wxAppSecret + '&code=' +
            params.code + '&grant_type=authorization_code';
        let url2 = 'https://api.weixin.qq.com/sns/userinfo?lang=zh_CN';

        return rp({
            url: url1,
            qs: {},
            json: true,
            gzip: true,
            timeout: 3000
        }).then((result) => {
            if (_.isEmpty(result.openid)) {
                return false;
            }

            url2 = url2 + '&access_token=' + result.access_token +
                '&openid=' + result.openid;

            return rp({
                url: url2,
                qs: {},
                json: true,
                gzip: true,
                timeout: 3000
            }).then((result2) => {
                return result2;
            });
        });
    }

    /**
     * 获取 邀请好友赢福利的类型:
     * 1. 普通的要求好友赢福利
     * 2. 会员日的邀请好友 赢福利
     */
    checkType() {
        return this.get({
            api: serviceAPI,
            url: '/activity/UserdaySigninController/isUserday',
            data: {}
        });
    }
};