'use strict';

const await = require('await-stream-ready/lib/await');
const { mysql } = require('../../config/plugin');

const Service = require('egg').Service;
//const md5 = require('md5-node');

class SysPermService extends Service {

    async addPerm( data )
    {
        console.log( data );

        let {status, permsType, route, icon, alwaysShow, hidden, keepAlive, internalOrExternal, menuType, name, url, component, redirect, sortNo, parentId} = data;
        if( !parentId ) parentId = 0;
        
        // status: '1',
        // permsType: '1',
        // route: true,
        // icon: 'afaf',
        // alwaysShow: false,
        // hidden: false,
        // keepAlive: false,
        // internalOrExternal: false,
        // menuType: 0,
        // name: 'tst',
        // url: 'aff',
        // component: 'adfdfa',
        // redirect: 'adfa',
        // sortNo: 1

         let mysql = this.app.mysql;        
         
         let ret =  await mysql.insert("admin_permission", {add_time:mysql.literals.now, parent_id:parentId, status, perms_type:permsType, is_route:route, icon, always_show: alwaysShow, hidden, keep_alive:keepAlive, internal_or_external:internalOrExternal, menu_type:menuType, name, url, component, redirect, sort_no:sortNo});

        return ret;
    }

    async listPerm(query) {

        let ctx = this.ctx;
        let mysql = this.app.mysql;

        let ret = await mysql.query('select * from admin_permission');

        ctx.nameFmt2Camel( ret );
        
        return ctx.fmt2Tree(ret, node=>{ return {key: node.id,  title:node.name, ...node} });
    }

    async deletePerm( query ) {
        if( !query.id ) throw "ID为空";

        let mysql = this.app.mysql;
        let ret = await mysql.query('delete from admin_permission where id=? or parent_id=?', [query.id, query.id]);
        return ret;
    }

    async editPerm( data ) {
        
        delete data["addTime"];
        if( !data.id ) throw "ID不能为空";
        delete data["children"];
        delete data["key"];
        delete data["title"];
        delete data["isLeaf"];
        delete data["route"];

        let ctx = this.ctx;
        ctx.nameFmtCamel2UnderLine( data );

        console.log("============");
        console.log( data );

        let mysql = this.app.mysql;

        let ret = await mysql.update("admin_permission", data, {where: {id: data.id}});
        
        return ret;
        // alwaysShow: false
        // children: null
        // component: "xxx"
        // componentName: null
        // description: null
        // hidden: false
        // icon: null
        // id: 1
        // internalOrExternal: false
        // isLeaf: true
        // isRoute: null
        // keepAlive: false
        // key: 1
        // menuType: null
        // name: "首页"
        // parentId: 0
        // perms: null
        // permsType: null
        // route: true
        // sortNo: 0
        // status: null
        // title: "首页"
        // url: "isystem/roles"
    }

    async deleteBatch(query) {
         ///sys/permission/deleteBatch?ids=1,2,3,6,7,8,9,10,11,12,13,16,18,19,
        let ids = query.ids;

        if( !ids ) throw "ids为空";
        ids = ids.split(",");

        let mysql = this.app.mysql;

        const conn = await mysql.beginTransaction();
        try {
           
            let n = ids.length;
            
            for( let i=0; i<n; i++) {
                if( ids[i] )  await conn.query(`delete from admin_permission where id=?`,[ids[i]]);
            } 
            await conn.commit();
        } catch (error) {
            await conn.rollback();
            throw error;
        }

        return true;
    } 

    async getUserPermissionByToken(query) {
        
        let authToken = query.token;

        if (!authToken) {
            throw "token为空";
        }

        let options = this.app.config.loginAdmin;
        let ctx = this.ctx;
        let ret = await ctx.jwtVerify(authToken, options.secret, options.options);
        if( !ret.verify )
        {
            throw "Token失效请重新登录";
        }
        
        let info  = ret.message;
        let id = info.id;

        let permissions = [];
        let mysql = this.app.mysql;

        if( info.type == 2 ) {//参训人员自带'参训人员role_cxry'和'导调权限role_teacher'
            let role_code = info.role == 1? 'role_teacher' : 'role_cxry';

            let sql = `
                select p.* from admin_permission p
                where (
                    exists(
                        select a.id from admin_role_permission a 
                        join admin_role b on a.role_id = b.id
                        where p.id=a.permission_id and b.role_code='${role_code}'
                    )
                ) order by sort_no ASC`
       
            permissions = await mysql.query(sql);
                
            console.log(　permissions　);
            
        } else {
             //更加用户ID获取permission
            let sql = `
            select p.* from admin_permission p
            where (
                exists(
                    select a.id from admin_role_permission a 
                    join admin_role b on a.role_id = b.id
                    join admin_user_role c on c.role_id = b.id
                    join admin_user d on d.id=c.user_id
                    where p.id=a.permission_id and d.id=${id}
                )
            ) order by sort_no ASC`
       
            permissions = await mysql.query(sql);
        }

        
        function urlToRouteName( url ) {
            if( !url ) return "";
            
            if( url[0] == '/') {
                url = url.substr(1);
            }
            url = url.replace("/","-");
            url = url.replace(":","@");

            return url;
        }

        function createPermission( data ) {
            let ret = {};
            if( data.menu_type == 2) return null;
            console.log( data.menu_type );

            if( data.menu_type != 0 && data.menu_type !=1) return ret;

            ret.id = data.id;
            ret.route = data.is_route?1:0;
            ret.path = data.url;
            ret.name = data.component_name?data.component_name: urlToRouteName(data.url);
            ret.hidden = data.hidden?true:false;
            ret.alwaysShow = data.always_show?true:false;
            ret.component = data.component;
            ret.redirect = data.redirect;

            ret.meta = {
                keepAlive: data.keep_alive?true: false,
                internalOrExternal: data.internal_or_external?true:false,
                title: data.name,
                icon: data.icon?data.icon:null,
            }
            return ret;
        }
        let tree = ctx.fmt2Tree(permissions, node=>{ return createPermission(node) });

        return {menu: tree};
    }

    async queryallrole() {

        let mysql = this.app.mysql;

        let ret = await mysql.query("select * from admin_role");
        
        ret = ret.map(e=>{
            // e.roleCode = e.role_code;
            // e.roleName = e.role_name;
            // e.description = e.desc;
            return {id:e.id, roleCode:e.role_code, roleName: e.role_name, description:e.desc};
        });

        return ret;
    }
}


module.exports = SysPermService;