"use strict";
const { ROOT_PATH, LIB_PATH, MODELS_PATH, HANDLERS_PATH } = process.env;
const { getPagination , queryPage } = require( `${ROOT_PATH}/${LIB_PATH}/Misc.js` );
const Model = require( `${ROOT_PATH}/${MODELS_PATH}/cities.model.js` );

const getCitiesList = async(req, res) => {
    const { page , elements } = getPagination( req.query );
    const retVal = await queryPage( page , elements, Model );
    res.send( retVal );
};

const findCitiesList = async(req, res) => {
    let filter=null;
    if( req.query.regex ){
        const re = new RegExp( req.query.regex );
        filter = { "city_name" : { $regex: re, $options: 'i' }};
    }
    const { page , elements } = getPagination( req.query );
    const retVal = await queryPage( page, elements, Model, filter );
    res.send( retVal );
};

const getCity = async(req, res) => {
    const retVal = await Model.findById( req.params.id );
    res.send( retVal );
};

module.exports = { getCitiesList , findCitiesList , getCity };