const router = require("express").Router();

// Models
const getRegions = require("../models/getRegions.js");
const getRegionById = require("../models/getRegionById.js");
const getRegionNearbyById = require("../models/getRegionNearbyById.js")

// Utils
const path = require("path");
const fs = require("fs");
const _ = require('lodash')
const sqlSanitzer = require("../util/sqlstring_sanitizer.js")

module.exports = dbConn => {
    router.get("/api/v1/regions", async (req, res) => {
        const data = await getRegions(dbConn)
        if (req.query.randomize) {
            const randomize = sqlSanitzer(req.query.randomize)
            res.json(_.sampleSize(data, randomize))
        } else {
            res.json(data);
        }
    });

    router.get("/api/v1/regions/:id", async (req, res) => {
        console.log(typeof req.params.id)
        const id = sqlSanitzer(req.params.id);
        console.log(id)
       res.json(await getRegionById(dbConn, id))
    });

    router.get('/api/v1/regions/:id/image', (req, res) => {
        if (fs.existsSync(path.join(__dirname, `../data/regions/images/${req.params.id}.jpg`))) {
            res.sendFile(path.join(__dirname, `../data/regions/images/${req.params.id}.jpg`))
        } else {
            res.sendFile(path.join(__dirname, `../data/regions/images/x.png`))
        }
    })

    router.get("/api/v1/regions/:id/nearby", async (req,res) => {
        const id = sqlSanitzer(req.params.id);
        res.json(await getRegionNearbyById(dbConn,id))
    });
    return router;
};