module.exports = async (dbConn) => {
    const regions = await dbConn.query(
            `SELECT regions.id AS region_id,
                regions.region AS name,
                countries.country AS country,
                regions.description AS description,
                rcma.temperature_mean_max,
                rcma.percipitation,
                rcma.raindays AS rain_days,
                rcma.sunshine AS sun_hours,
                regions_byt.average_per_day,
                regions_byt.accomodation AS accomodation_costs,
                regions_byt.food AS food_costs,
                regions_byt.water AS water_costs,
                regions_byt.local_transportation AS local_transportation_costs,
                regions_byt.entertainment AS entertainment_costs,
                regions_byt.alcohol AS alcohol_costs
        FROM regions
        JOIN countries ON regions.country_id = countries.id
        JOIN (SELECT rcma.region_id, 
                GROUP_CONCAT(IFNULL(rcma.temperature_mean,"") ORDER BY rcma.month SEPARATOR ', ') AS temperature_mean, 
                GROUP_CONCAT(IFNULL(rcma.temperature_mean_min, "") ORDER BY rcma.month SEPARATOR ', ') AS temperature_mean_min, 
                GROUP_CONCAT(IFNULL(rcma.temperature_mean_max, "") ORDER BY rcma.month SEPARATOR ', ') AS temperature_mean_max, 
                GROUP_CONCAT(IFNULL(rcma.percipitation, "") ORDER BY rcma.month SEPARATOR ', ') AS percipitation, 
                GROUP_CONCAT(IFNULL(rcma.raindays, "") ORDER BY rcma.month SEPARATOR ', ') AS raindays, 
                GROUP_CONCAT(IFNULL(rcma.sunshine, "") ORDER BY rcma.month SEPARATOR ', ') AS sunshine, 
                GROUP_CONCAT(IFNULL(rcma.humidity, "") ORDER BY rcma.month SEPARATOR ', ') AS humidity
              FROM region_climate_monthly_avg AS rcma
              GROUP BY rcma.region_id) rcma ON rcma.region_id = regions.id
        JOIN regions_byt ON regions.id = regions_byt.region_id
        WHERE regions_byt.travelstyle = 1`
    );

    for (k = 0; k < regions.length; k++) {
        // if (regions[k].temperature_mean !== null) {
        //     const temperature_mean = regions[k].temperature_mean
        //     regions[k].temperature_mean = temperature_mean.split(",");
        //     for (i = 0; i < regions[k].temperature_mean.length; i++) {
        //         regions[k].temperature_mean[i] = parseFloat(regions[k].temperature_mean[i])
        //     }
        // }
        // if (regions[k].temperature_mean_min !== null) {
        //     const temperature_mean_min = regions[k].temperature_mean_min
        //     regions[k].temperature_mean_min = temperature_mean_min.split(",");
        //     for (i = 0; i < regions[k].temperature_mean_min.length; i++) {
        //         regions[k].temperature_mean_min[i] = parseFloat(regions[k].temperature_mean_min[i])
        //     }
        // }
        if (regions[k].temperature_mean_max !== null) {
            const temperature_mean_max = regions[k].temperature_mean_max
            regions[k].temperature_mean_max = temperature_mean_max.split(",");
            for (i = 0; i < regions[k].temperature_mean_max.length; i++) {
                regions[k].temperature_mean_max[i] = parseFloat(regions[k].temperature_mean_max[i])
            }

        }
        if (regions[k].precipitation !== null) {
            const precipitation = regions[k].precipitation
            regions[k].precipitation = precipitation.split(",");
            for (i = 0; i < regions[k].precipitation.length; i++) {
                regions[k].precipitation[i] = parseFloat(regions[k].precipitation[i])
            }
        }
        if (regions[k].rain_days !== null) {
            const rain_days = regions[k].rain_days
            regions[k].rain_days = rain_days.split(",");
            for (i = 0; i < regions[k].rain_days.length; i++) {
                regions[k].rain_days[i] = parseFloat(regions[k].rain_days[i])
            }
        }
        if (regions[k].sun_hours !== null) {
            const sun_hours = regions[k].sun_hours
            regions[k].sun_hours = sun_hours.split(",");
            for (i = 0; i < regions[k].sun_hours.length; i++) {
                regions[k].sun_hours[i] = parseFloat(regions[k].sun_hours[i])
            }
        }
        // if (regions[k].humidity !== null) {
        //     const humidity = regions[k].humidity
        //     regions[k].humidity = humidity.split(",");
        //     for (i = 0; i < regions[k].humidity.length; i++) {
        //         regions[k].humidity[i] = parseFloat(regions[k].humidity[i])
        //     }
        // }
    }
    return regions;
};