/**
 * [个人中心]个人设置
 * @author: jiangmin
 * @date: 2016/07/13
 */

'use strict';

const mcHandler = require('../models/menu-crumb-handler');
const helpers = global.yoho.helpers;
const config = global.yoho.config;
const settingModel = require('../models/setting');
const accountModel = require('../models/account');
const passportHelper = require('../../passport/models/passport-helper');
const Promise = require('bluebird');
const co = Promise.coroutine;
var fs = require('fs');
var path = require('path');
const uuid = require('uuid');
const os = require('os');
const _ = require('lodash');
const regMobile = /(\d{3})\d{4}(\d{4})/; // 正则匹配替换手机号码中间4位
const regEmail = /(\d{3})\d{4}/; // 正则匹配替换邮箱中间4位

const captchaUrl = helpers.urlFormat('/passport/images', {
    t: Date.now()
});

// 根据type获取标题
const _getTitle = (type) => {
    let typeName;
    let proName;
    let isModifyMobile = false;
    let isBindMobile = false;
    let isModifyEmail = false;
    let isBindEmail = false;
    let isShowPassword = false;

    switch (type) {
        case 'modifyPassword':
            typeName = '修改密码';
            proName = '输入新密码';
            isShowPassword = true;
            break;
        case 'modifyMobile':
            typeName = '修改手机号码';
            proName = '绑定手机';
            isModifyMobile = true;
            break;
        case 'bindMobile':
            typeName = '绑定手机号码';
            proName = '绑定手机';
            isBindMobile = true;
            break;
        case 'modifyEmail':
            typeName = '修改邮箱';
            proName = '绑定邮箱';
            isModifyEmail = true;
            break;
        case 'bindEmail':
            typeName = '绑定邮箱';
            proName = '绑定邮箱';
            isBindEmail = true;
            break;
        default:
            typeName = '';
            break;
    }
    return {
        typeName: typeName,
        proName: proName,
        isModifyMobile,
        isBindMobile,
        isModifyEmail,
        isBindEmail,
        isShowPassword
    };
};

const cookieHelper = {
    setVal(res, k, v, ops) {
        res.cookie(k, v, Object.assign({
            domain: config.cookieDomain,
            httpOnly: true
        }, ops));
    },
    getVal(req, k) {
        return req.cookies[k];
    }
};

/**
 * 个人设置页面加载
 */
const index = (req, res, next) => {
    let uid = req.user.uid;

    Promise.all([settingModel.getUserInfo(uid), mcHandler.getMeThumb()]).then(result => {
        const thumb = result[1];
        let user = result[0];

        user.info.gender ? user.genders[user.info.gender - 1].checked = true :
            user.genders[2].checked = true;
        user.info.head_ico = user.info.head_ico ? helpers.image(user.info.head_ico, 400, 300, 2) : '';
        user.info.mobile = user.info.mobile ? user.info.mobile.replace(regMobile, '$1****$2') : '';
        user.stepUrl = '/me/setting/step1';
        if (user.info.birthday) {
            let a = user.info.birthday.split('-');

            _.forEach(user.date.selectYear, function(x) {
                if (x.value === a[0]) {
                    x.isSelected = 'selected';
                }
            });
            _.forEach(user.date.selectMonth, function(x) {
                if (parseInt(x.value, 10) === parseInt(a[1], 10)) {
                    x.isSelected = 'selected';
                }
            });
            _.forEach(user.date.selectDay, function(x) {
                if (parseInt(x.value, 10) === parseInt(a[2], 10)) {
                    x.isSelected = 'selected';
                }
            });
        }

        res.display('index', {
            module: 'me',
            page: 'setting',
            isMe: true,
            content: {
                nav: mcHandler.getMeCrumb('个人设置'),
                navigation: mcHandler.getSideMenu('个人设置'),
                banner: thumb,
                setting: true,
                title: '个人设置',
                userInfo: user,
                _token: req.csrfToken()
            }
        });
    }).catch(next);
};

/**
 * 编辑信息
 * @param req
 * @param res
 * @param next
 */
const editUserInfo = (req, res, next) => {
    let uid = req.user.uid;
    let query = req.body;

    settingModel.editUserInfo(uid, query).then(result => {
        res.send(result);
    }).catch(next);
};


/*
 *  step1 绑定的手机号码身份验证
 * */
const bindMobile = (req, res, next) => {
    let uid = req.user.uid;
    let type = req.params.type;

    settingModel.getUserInfo(uid).then(result => {
        if (result.info.verify_mobile !== '') {
            req.session.modify_phone = {mobile: result.info.verify_mobile};
            return mcHandler.getMeThumb().then((thumb) => {
                let info = result.info;

                info.ellipsisMobile = info.verify_mobile.replace(regMobile, '$1****$2');
                info.checkCode = req.csrfToken();

                res.display('index', {
                    module: 'me',
                    page: 'setting',
                    isMe: true,
                    content: {
                        region: passportHelper.getCountry(),
                        location: '+86',
                        nav: mcHandler.getMeCrumb('个人设置'),
                        navigation: mcHandler.getSideMenu('个人设置'),
                        banner: thumb,
                        validateStep: true,
                        title: _getTitle(type).typeName,
                        proTitle: _getTitle(type).proName,
                        captchaUrl: captchaUrl,
                        isShowMobile: true,
                        data: info
                    }
                });
            });
        }
        next();
    }).catch(next);
};

/**
 * step1 绑定的邮箱进行身份验证
 */
const bindEmail = (req, res, next) => {
    let uid = req.user.uid;
    let type = req.params.type;

    settingModel.getUserInfo(uid).then(result => {
        if (result.info.verify_email !== '') {
            req.session.modify_email = {email: result.info.verify_email};
            let info = result.info;

            info.ellipsisEmail = info.verify_email.replace(regEmail, '$1****');
            info.checkCode = req.csrfToken();

            return mcHandler.getMeThumb().then((thumb) => {
                res.display('index', {
                    module: 'me',
                    page: 'setting',
                    isMe: true,
                    content: {
                        nav: mcHandler.getMeCrumb('个人设置'),
                        navigation: mcHandler.getSideMenu('个人设置'),
                        banner: thumb,
                        validateStep: true,
                        title: _getTitle(type).typeName,
                        proTitle: _getTitle(type).proName,
                        captchaUrl: captchaUrl,
                        isShowEmail: true,
                        data: info
                    }
                });
            });
        }
        next();
    }).catch(next);
};

/**
 *step1 登录密码进行身份验证
 */
const modifyType = (req, res, next) => {
    let type = req.params.type;

    mcHandler.getMeThumb().then((thumb) => {
        res.display('index', {
            module: 'me',
            page: 'setting',
            isMe: true,
            content: {
                nav: mcHandler.getMeCrumb('个人设置'),
                navigation: mcHandler.getSideMenu('个人设置'),
                banner: thumb,
                validateStep: true,
                title: _getTitle(type).typeName,
                proTitle: _getTitle(type).proName,
                captchaUrl: captchaUrl,
                isShowPassword: true,
                checkCode: req.csrfToken()
            }
        });
    }).catch(next);
};

/*
 * step2 操作界面-渲染页面
 * */
const edit = (req, res, next) => {
    let type = req.params.type;

    if (Number(cookieHelper.getVal(req, type + '_STEP')) !== 1 || !req.session.safeAccount) {
        res.redirect(helpers.urlFormat('/me/setting/step1/' + type));
        return;
    }

    let result = {
        title: _getTitle(type).typeName,
        proTitle: _getTitle(type).proName,
        isShowMobile: _getTitle(type).isModifyMobile || _getTitle(type).isBindMobile,
        isShowEmail: _getTitle(type).isModifyEmail || _getTitle(type).isBindEmail,
        isShowPassword: _getTitle(type).isShowPassword
    };

    mcHandler.getMeThumb().then((thumb) => {
        res.display('index', {
            module: 'me',
            page: 'setting',
            isMe: true,
            content: Object.assign({
                region: passportHelper.getCountry(),
                location: '+86',
                nav: mcHandler.getMeCrumb('个人设置'),
                navigation: mcHandler.getSideMenu('个人设置'),
                banner: thumb,
                operateStep: true,
                stepUrl: '/me/setting/step3/' + type,
                captchaUrl: captchaUrl,
                checkCode: req.csrfToken()
            }, result)
        });
    }).catch(next);
};

/*
 * step3 操作成功-渲染界面
 * */
const success = (req, res, next) => {
    let type = req.params.type;

    let step = Number(cookieHelper.getVal(req, type + '_STEP')) || 0;

    if (step !== 2) {
        res.redirect(helpers.urlFormat('/me/setting/step' + (step + 1) + '/' + type));
        return;
    }

    cookieHelper.setVal(res, type + '_STEP', 0, {
        maxAge: -1
    });

    let result = {
        title: _getTitle(type).typeName,
        proTitle: _getTitle(type).proName,
        isModifyMobile: _getTitle(type).isModifyMobile,
        isBindMobile: _getTitle(type).isBindMobile,
        isModifyEmail: _getTitle(type).isModifyEmail,
        isBindEmail: _getTitle(type).isBindEmail,
        isShowPassword: _getTitle(type).isShowPassword
    };

    mcHandler.getMeThumb().then((thumb) => {
        res.display('index', {
            module: 'me',
            page: 'setting',
            isMe: true,
            content: Object.assign({
                region: passportHelper.getCountry(),
                location: '+86',
                nav: mcHandler.getMeCrumb('个人设置'),
                navigation: mcHandler.getSideMenu('个人设置'),
                banner: thumb,
                successStep: true,
                captchaUrl: captchaUrl
            }, result)
        });
    }).catch(next);

};

/*
 * post1 第一步身份验证的post请求
 * */
const validate1 = (req, res, next) => {
    co(function*() {
        let type = req.params.type;
        let uid = req.user.uid;
        let body = req.body;
        let a;

        if (type === 'password') {
            a = yield accountModel.verifyPwd(uid, body.password);
        } else if (type === 'mobile') {
            if (req.session.modify_phone.mobile !== body.mobile) {
                return res.send({code: 400});
            }
            a = yield accountModel.checkVerifyMsg(body.code, body.mobile, body.area);
        } else if (type === 'email') {
            if (req.session.modify_email.email !== body.email) {
                return res.send({code: 400});
            }
            a = yield accountModel.sendVerifyEmail(uid, body.email);
        }

        if (a) {
            if (a.code === 200) {
                req.session.safeAccount = true;
            }

            cookieHelper.setVal(res, req.body.type + '_STEP', 1);
            res.send(a);
        }
    })().catch(next);
};

/*
 * post2 第二步具体操作的post请求
 * */
const validate2 = (req, res, next) => {
    co(function*() {
        let type = req.params.type;
        let uid = req.user.uid;
        let body = req.body;

        if (!req.session.safeAccount) {
            return res.send({
                code: 400,
                message: '修改失败，请重新验证身份'
            });
        }

        if (type === 'password') {
            let a = yield accountModel.changePwd(uid, body.password);

            if (a.code === 200) {
                req.session.safeAccount = false;
                cookieHelper.setVal(res, body.type + '_STEP', 2);
                res.send(a);
            }

        } else if (type === 'mobile') {
            let b = yield accountModel.checkVerifyMobile(uid, body.mobile, body.area);

            if (b.code === 200) {
                let a = yield accountModel.checkVerifyMsg(body.code, body.mobile, body.area);

                if (a.code === 200) {
                    let c = yield accountModel.modifyVerifyMobile(uid, body.area, body.mobile);

                    cookieHelper.setVal(res, body.type + '_STEP', 2);
                    if (c.code === 200) {
                        req.session.safeAccount = false;
                        res.send({
                            code: 200,
                            data: {}
                        });
                    } else {
                        res.send({
                            code: 500,
                            message: c.message
                        });
                    }
                } else {
                    res.send({
                        code: 500,
                        message: '<p>短信验证：' + a.message + '</p>'
                    });
                }
            } else {
                res.send({
                    code: 500,
                    message: '<p>修改号码：' + b.message + '</p>'
                });
            }
        }
    })().catch(next);
};


/**
 * 文件处理中间件
 * @param req
 * @param res
 * @param next
 */
function getfilePath(req, res, next) {
    const fid = uuid.v4();
    const filePath = path.join(os.tmpdir(), fid);
    const uploadStream = fs.createWriteStream(filePath);

    req.filePath = filePath;
    req.pipe(uploadStream);
    uploadStream.on('finish', function() {
        next();
    });
}

/**
 * 修改头像
 * @param req
 * @param res
 */
const modifyHead = (req, res, next) => {
    let uid = req.user.uid;
    let bucket = 'yhb-head';
    let filePath = req.filePath;

    settingModel.modifyHead(uid, bucket, filePath).then(result => {
        res.send(result);
    }).catch(next);
};

module.exports = {
    index,
    editUserInfo,
    bindMobile,
    bindEmail,
    modifyType,
    edit,
    success,
    validate1,
    validate2,
    getfilePath,
    modifyHead
};