'use strict';

/**
 * 登录页面控制器
 *
 * @author CaiAoLin
 * @date 2017/11/15
 * @version
 */
const URL = require('url');
const maintainConst = require('../const/maintain');

module.exports = app => {

    class LoginController extends app.BaseController {

        /**
         * 登录页面
         *
         * @param {Object} ctx - egg全局页面
         * @return {void}
         */
        async index(ctx) {
            if (ctx.helper.isMobile(ctx.request.header['user-agent'])) {
                ctx.redirect('/wap');
                return;
            }
            const errorMessage = ctx.session.loginError;
            // 显示完删除
            ctx.session.loginError = null;
            // 获取系统维护信息
            const maintainData = await ctx.service.maintain.getDataById(1);

            if (!ctx.app.config.is_debug) {
                await ctx.service.maintain.syncMaintainData();
            }

            const renderData = {
                maintainData,
                maintainConst,
                errorMessage,
            };
            await ctx.render('login/login.ejs', renderData);
        }

        /**
         * 登录操作
         *
         * @param {Object} ctx - egg全局变量
         * @return {void}
         */
        async login(ctx) {
            let loginType = ctx.request.body.type;

            try {
                loginType = parseInt(loginType);
                const result = await ctx.service.projectAccount.accountLogin(ctx.request.body, loginType);

                if (!result) {
                    throw '用户名或密码错误';
                }

                if (result === 2) {
                    throw '该账号已被停用，请联系销售人员';
                }

                // 调用 rotateCsrfSecret 刷新用户的 CSRF token
                ctx.rotateCsrfSecret();

                // 判断是否已经有对应用户信息，没有则跳转初始化页面
                const needBoot = await ctx.service.customer.isNeedBoot(ctx.request.body);
                const url = needBoot ? '/boot' : '/dashboard';

                const query = URL.parse(ctx.request.header.referer, true).query;
                ctx.redirect(query.referer ? query.referer : url);
            } catch (error) {
                this.log(error);
                ctx.session.loginError = error;
                ctx.redirect('/login');
            }
        }

        /**
         * 退出登录
         *
         * @param {Object} ctx - egg全局变量
         * @return {void}
         */
        async logout(ctx) {
            // 删除session并跳转
            ctx.session = null;
            ctx.redirect('/');
        }

        /**
         * 获取项目名
         *
         * @param {Object} ctx - egg全局context
         * @return {void}
         */
        async projectName(ctx) {
            const response = {
                err: 0,
                msg: '',
            };
            const code = ctx.query.code;
            try {
                const data = await ctx.service.project.getProjectByCode(code);
                if (data) {
                    response.data = data.name;
                } else {
                    throw '项目不存在';
                }
            } catch (err) {
                response.err = 1;
                response.msg = err;
            }
            ctx.body = response;
        }

        /**
         * 忘记密码-重置密码
         * @param ctx
         * @returns {Promise<void>}
         */
        async resetPassword(ctx) {
            const response = {
                err: 0,
                index: 0,
                msg: '',
            };
            const code = ctx.request.body.code;
            const name = ctx.request.body.name;
            try {
                const data = await ctx.service.project.getProjectByCode(code);
                if (data) {
                    const pa = await ctx.service.projectAccount.getDataByCondition({ account: name, project_id: data.id });
                    if (!pa) {
                        response.index = 2;
                        throw '登录账号不存在，请检查是否输入错误。';
                    }
                    if (!pa.auth_mobile) {
                        response.index = 2;
                        throw '登录账号还没有认证手机，请联系项目管理员。';
                    }
                    // 重置密码并发短信
                    const newpwd = ctx.helper.generateRandomString(6, 2);
                    console.log(newpwd);
                    const result = await ctx.service.projectAccount.resetPassword(pa.id, newpwd);
                    if (!result) {
                        throw '修改密码失败';
                    }
                    response.data = {
                        pName: data.name,
                        name: pa.name,
                        mobile: pa.auth_mobile.substr(0, 3) + '****' + pa.auth_mobile.substr(7),
                        account: pa.account,
                    };
                } else {
                    response.index = 1;
                    throw '项目不存在，请检查是否输入有误。';
                }
            } catch (err) {
                response.err = 1;
                response.msg = err;
            }
            ctx.body = response;
        }

        /**
         * 接口登录页面
         *
         * @param {Object} ctx - egg全局页面
         * @return {void}
         */
        async port(ctx) {
            // 获取系统维护信息
            const maintainData = await ctx.service.maintain.getDataById(1);

            if (!ctx.app.config.is_debug) {
                await ctx.service.maintain.syncMaintainData();
            }
            let pa;
            try {
                if (ctx.session.loginError !== null) {
                    throw ctx.session.loginError;
                }
                if (!ctx.query.mobile) {
                    throw '参数有误';
                }
                pa = await ctx.service.projectAccount.getDataByCondition({ mobile: ctx.query.mobile, project_id: ctx.projectData.id });
                if (!pa) {
                    throw '您无权限登录系统。';
                }
                if (pa.bind === 0) {
                    // 先绑定再登录
                    throw '';
                } else {
                    if (pa.enable !== 1) {
                        throw '该账号已被停用，请联系销售人员';
                    }
                    const result = await ctx.service.projectAccount.accountLogin({ project: ctx.projectData, accountData: pa }, 3);
                    if (!result) {
                        throw '登录出错';
                    }
                    ctx.redirect('/dashboard');
                }
            } catch (error) {
                this.log(error);
                ctx.session.loginError = error;
            }
            const errorMessage = ctx.session.loginError;
            // 显示完删除
            ctx.session.loginError = null;
            const renderData = {
                maintainData,
                maintainConst,
                errorMessage,
                projectData: ctx.projectData,
                accountData: pa,
            };
            await ctx.render('login/login_port.ejs', renderData);
        }

        /**
         * 登录操作
         *
         * @param {Object} ctx - egg全局变量
         * @return {void}
         */
        async loginPort(ctx) {
            let loginType = ctx.request.body.type;

            try {
                loginType = parseInt(loginType);
                const data = await ctx.service.project.getProjectByCode(ctx.request.body.projectCode.toString().trim());
                if (data === null) {
                    throw '不存在项目数据';
                }
                if (data.custom === 0) {
                    throw '无法通过接口登录本系统';
                }

                if (data && data.custom === 1) {
                    const pa = await ctx.service.projectAccount.getDataById(ctx.request.body.accountId);
                    if (!pa) {
                        throw '您无权限登录系统。';
                    }

                    if (pa.enable !== 1) {
                        throw '该账号已被停用，请联系销售人员';
                    }
                    const updateData = {
                        bind: 1,
                    };
                    await ctx.service.projectAccount.update(updateData, { id: pa.id });
                    const result = await ctx.service.projectAccount.accountLogin({ project: data, accountData: pa }, loginType);
                    if (!result) {
                        throw '绑定登录出错，请使用账号密码登录';
                    }
                    ctx.redirect('/dashboard');
                }
            } catch (error) {
                this.log(error);
                ctx.session.loginError = error;
                ctx.redirect('/login');
            }
        }
    }

    return LoginController;
};