import yapi from '../yapi.js';
import projectModel from '../models/project.js';
import userModel from '../models/user.js';
const jwt = require('jsonwebtoken');

class baseController {
    constructor(ctx) {
        this.ctx = ctx;
        //网站上线后，role对象key是不能修改的，value可以修改
        this.roles = {
            admin: 'Admin',
            member: '网站会员'
        };
    }

    async init(ctx) {
        this.$user = null;
        let ignoreRouter = [
            '/user/login_by_token',
            '/user/login',
            '/user/reg',
            '/user/status',
            '/user/logout'
        ];
        if (ignoreRouter.indexOf(ctx.path) > -1) {
            this.$auth = true;
        } else {
            await this.checkLogin(ctx);
        }

    }

    getUid() {
        return parseInt(this.$uid, 10);
    }

    async checkLogin(ctx) {
        let token = ctx.cookies.get('_yapi_token');
        let uid = ctx.cookies.get('_yapi_uid');

        try {
            if (!token || !uid) return false;
            let userInst = yapi.getInst(userModel); //创建user实体
            let result = await userInst.findById(uid);
            let decoded = jwt.verify(token, result.passsalt);

            if (decoded.uid == uid) {
                this.$uid = uid;
                this.$auth = true;
                this.$user = result;
                return true;
            }

            return false;
        } catch (e) {
            return false;
        }

    }

    async getLoginStatus(ctx) {
        if (await this.checkLogin(ctx) === true) {
            let result = yapi.commons.fieldSelect(this.$user, ['_id', 'username', 'email', 'up_time', 'add_time']);
            result.server_ip = yapi.WEBCONFIG.server_ip;
            return ctx.body = yapi.commons.resReturn(result);
        }
        return ctx.body = yapi.commons.resReturn(null, 300, 'Please login.');
    }

    getRole() {
        return this.$user.role;
    }

    async jungeProjectAuth(id) {
        let model = yapi.getInst(projectModel);

        if (this.getRole() === 'admin') {
            return true;
        }

        if (!id) {
            return false;
        }

        let result = await model.get(id);

        if (result.uid === this.getUid()) {
            return true;
        }

        return false;
    }

    async jungeMemberAuth(id, member_uid) {
        let model = yapi.getInst(projectModel);

        if (this.getRole() === 'admin') {
            return true;
        }

        if (!id || !member_uid) {
            return false;
        }

        let result = await model.checkMemberRepeat(id, member_uid);

        if (result > 0) {
            return true;
        }

        return false;
    }
}

module.exports = baseController;