export function verificationMail(uid, address): Object{
    try{
        // Make sure the user exists, and address is one of their addresses.
        var user = Meteor.users.findOne({_id: uid});
        if (!user){
            //throw new Error("Can't find user");
            LogDebug('Cannot find user')
            return null
        }
    
    
        // pick the first unverified address if we weren't passed an address.
        if (!address) {
            var email = _.find(user.emails || [],
                             function (e) { return !e.verified; });
            address = (email || {}).address;
        }
    
        // make sure we have a valid address
        if (!address || !_.contains(_.pluck(user.emails || [], 'address'), address)){
            //throw new Error("No such email address for user.");
            LogDebug('no email')
            return null
        }
    
    
        var tokenRecord = {
            token: RandomStr(44),
            address: address,
            when: new Date()
        };
    
        Meteor.users.update({_id: uid}, {$push: {'services.email.verificationTokens': tokenRecord}});
    
        // before passing to template, update user object with new token
        Meteor._ensure(user, 'services', 'email');
            if (!user.services.email.verificationTokens) {
                user.services.email.verificationTokens = [];
            }
    
        user.services.email.verificationTokens.push(tokenRecord);
    
        //var verifyEmailUrl = Accounts.urls.verifyEmail(tokenRecord.token);
    
        var mailbody = writeVerifyEmail(address, tokenRecord.token, user.username)
        return mailbody;
    }catch(err){
        LogDB(err.toString(), 'verificationMail()', uid)
        return null
    }
}

export function changeEmail(uid, mail){
    try{
        if(!mail || !validateEmail(mail)){
            //throw new Error("无效邮件地址.");
            return "无效邮件地址！"
        }
    
        let user = Meteor.users.findOne({_id: uid})
        var oldmail = _.find(user.emails || [],
            function (e) { return e.address; });
        let address = (oldmail || {}).address;
        LogDebug(address, mail)
        if(address && address == mail){
            return 'mail is unchanged'
        }
    
        if(address){
            Accounts.removeEmail(uid, address)
        }
    
        Accounts.addEmail(uid, mail)
        return 'ok'
    }catch(err){
        LogDB(err.toString(), 'changeEmail()', uid)
        return err.toString()
    }
}

 sendResetPasswordEmail: function(email){
     try{
         let user = Accounts.findUserByEmail(email)
         if(!user){
             return "找不到使用这个信箱的用户。"
         }
         
         let mailbody = sendResetPasswordEmail(user._id, email)
         NigerianPrinceGun.send(mailbody)
         LogDebug('reset password email is sended.')
         return null
     }catch(err){
         LogDB(err.toString(), email, this.userId)
         return err.toString()
     }
 },

    Accounts.onCreateUser(function(options, user) {
        try{
            Meteor.setTimeout(function() {
                let mailbody = verificationMail(user._id, null)
                if(mailbody){
                    NigerianPrinceGun.send(mailbody)
                }

                UserImages.insert({user: user._id, quote: 100, current: 0, del: []})
            }, 5 * 1000);
        }catch(err){
            LogDB(err.toString(), options, 'onCreateUser')
            LogDebug(err)
        }
        
        if (options.profile){
            user.profile = options.profile;
        }

        return user;
    });

export function initQiniu(){
    try{
        // 生成实例
        var qiniu = new QiniuSDK(config);
        
        let bucket = {
            'bucket': 'huaheapp',
            'onUploaded': onUploaded,
            'callbackBody': 'key=$(key)&bucket=$(bucket)&userId=$(x:userId)',
            'insertOnly': 0
        }

        // 添加单个 bucket
        qiniu.addBucket(bucket);  // 可以获取token了，背后设置了 callbackUrl

        // 应用配置
        qiniu.init();
        console.log('qiniu inited !')
    }catch(err){
        LogDB(err.toString(), 'initQiniu', 'server')
        LogDebug('init qiniu error: ', err)
    }
}

function onUploaded(res){
    LogDebug("image uploaded", res)
}