/**
 * passport 验证策略注册
 * @author: jiangfeng<jeff.jiang@yoho.cn>
 * @date: 2016/5/31
 */

'use strict';
const _ = require('lodash');
const passport = require('passport');
const WeixinStrategy = require('passport-weixin');
const SinaStrategy = require('passport-sina').Strategy;
const LocalStrategy = require('passport-local').Strategy;
const QQStrategy = require('passport-qq').Strategy;
const DoubanStrategy = require('passport-douban').Strategy;
const RenrenStrategy = require('passport-renren').Strategy;
const AlipayStrategy = require('./models/passport-alipay').Strategy;

const LoginApi = require('./models/login-service');

const config = global.yoho.config;
const helpers = global.yoho.helpers;
const cookie = global.yoho.cookie;
const logger = global.yoho.logger;
const cache = global.yoho.cache;

let siteUrl = config.siteUrl.indexOf('//') === 0 ? 'http:' + config.siteUrl : config.siteUrl;


function getLoginStat(account) {
    let errorLoginKey = 'account_errorlogin_' + account;
    let accountKey = 'account_signin_' + account;
    let cacheGet = [cache.get(errorLoginKey), cache.get(accountKey)];

    return Promise.all(cacheGet).catch(() => {
        return [0, 0];
    });
}

// 本地登录
passport.use('local', new LocalStrategy({
    usernameField: 'account',
    passwordField: 'password',
    passReqToCallback: true
}, (req, username, password, done) => {

    let area = req.body.areaCode || '86';

    if (_.isEmpty(password)) {
        logger.info(`【Passport Login】bad params, area:${area} account:${username} password:${password}`);
        return done({message: '登录参数错误'}, null);
    }

    let verifyCode = req.body.captcha;

    if (verifyCode && verifyCode !== req.session.captcha) {
        return done({message: '验证码不正确或验证码过期', needCaptcha: true}, null);
    }

    let shoppingKey = cookie.getShoppingKey(req);

    let account = req.body.account;
    let type = req.body.loginType;

    let errorLoginKey = 'account_errorlogin_' + account;
    let accountKey = 'account_signin_' + account;

    getLoginStat(account).then(times => {
        let errLoginTimes = _.parseInt(times[0]) || 0;
        let accountTimes = _.parseInt(times[1]) || 0;

        if (accountTimes >= 10) {
            done({message: '您的账号已被暂时锁定,请稍后再试'}, null);
        } else {
            return LoginApi.signin(type, area, username, password, shoppingKey).then((result) => {
                if (result.code && result.code === 200 && result.data.uid) {
                    cache.del(errorLoginKey).catch(() => {});

                    done(null, result.data);
                } else {
                    errLoginTimes = errLoginTimes + 1;
                    accountTimes = accountTimes + 1;
                    cache.set(errorLoginKey, errLoginTimes).catch(() => {});
                    cache.set(accountKey, accountTimes, 1800).catch(() => {});

                    // 再次校验
                    if (accountTimes >= 10) {
                        done({message: '您的账号已被暂时锁定,请稍后再试'}, null);
                    } else if (errLoginTimes >= 3) {
                        done({
                            message: `您输入的密码及账户名不匹配，
                            是否<a href="${helpers.urlFormat('/passport/back/index')}" target="_blank">忘记密码?</a>`,
                            needCaptcha: true
                        });
                    } else {
                        done({
                            message: `您输入的密码及账户名不匹配，
                            是否<a href="${helpers.urlFormat('/passport/back/index')}" target="_blank">忘记密码?</a>`,
                            needCaptcha: false
                        });
                    }
                }
            });
        }
    }).catch(e => {
        logger.error('call the signin service fail，', e);
        done('登录失败，请稍后重试', null);
    });

}));

/**
 * wechat登录
 */

passport.use('wechat', new WeixinStrategy({
    clientID: config.thirdLogin.wechat.appID,
    clientSecret: config.thirdLogin.wechat.appSecret,
    callbackURL: `${siteUrl}/passport/login/wechat/callback`,
    requireState: true,
    scope: 'snsapi_login'
}, (accessToken, refreshToken, profile, done) => {
    done(null, profile);
}));

// sina 登录
passport.use('sina', new SinaStrategy({
    clientID: config.thirdLogin.sina.appID,
    clientSecret: config.thirdLogin.sina.appSecret,
    callbackURL: `${siteUrl}/passport/login/sina/callback`,
    requireState: false
}, (accessToken, refreshToken, profile, done) => {
    done(null, profile);
}));

// qq 登录
passport.use('qq', new QQStrategy({
    clientID: config.thirdLogin.qq.appID,
    clientSecret: config.thirdLogin.qq.appSecret,
    callbackURL: `${siteUrl}/passport/login/qq/callback`,
    requireState: false
}, (accessToken, refreshToken, profile, done) => {
    done(null, profile);
}));

// alipay 登录
passport.use('alipay', new AlipayStrategy({
    partner: config.thirdLogin.alipay.appID,
    key: config.thirdLogin.alipay.appSecret,
    return_url: `${siteUrl}/passport/login/alipay/callback`
}, (profile, done) => {
    done(null, profile);
}));

// douban 登录
passport.use('douban', new DoubanStrategy({
    clientID: config.thirdLogin.douban.appID,
    clientSecret: config.thirdLogin.douban.appSecret,
    callbackURL: `${siteUrl}/passport/autosign/doubanback`
}, (accessToken, refreshToken, profile, done) => {
    done(null, profile);
}));

// renren 登录
passport.use('renren', new RenrenStrategy({
    clientID: config.thirdLogin.renren.appID,
    clientSecret: config.thirdLogin.renren.appSecret,
    callbackURL: `${siteUrl}/passport/login/renren/callback`
}, (accessToken, refreshToken, profile, done) => {
    done(null, profile);
}));