'use strict';
const Service = require('egg').Service;

class MapService extends Service {
   
    async points( adcode )
    {
        if( adcode == undefined || adcode == "") return [];
        let mysql = this.app.mysql;
        let ret = await mysql.query("select id, name, longitude, latitude from area where parent_id in (select id from area where parent_id=?) or id in (select id from area where parent_id=?)", [adcode, adcode]);
        return {list:ret};
    }
    
    async search( query ) {
        let adcode = query.adcode;
        if( !adcode ) return { list:[] };

        let name = query.name;
        let where = name? `and name like '%${name}%'`:"";

        let mysql = this.app.mysql;
        let ret = await mysql.query(`select id, name, longitude, latitude from area where (parent_id in (select id from area where parent_id=?) or id in (select id from area where parent_id=?) ${where})`, [adcode, adcode]);
        return {list:ret};
    }

    /**
     * 
     * @param {更新航线配置} data
     *  data.id 任务id
     *  data.config = '{
     *    lines=[
     *              [{lon,lat}],
     *              []
     *          ]
     *  }'
     */
    async updateNaviConfig(data) {    
        let id = data.id;
        if( !id ) throw "任务ID为空";

        let config = data.config?data.config:"";
        let mysql  = this.app.mysql;
        let ret = await mysql.query(`update train_records set navi_config='${config}' where id=${id}`);

        return ret;
    }
}

module.exports = MapService;