const climateArrayFormatting = require("./../util/climateArrayFormatting.js")

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 AS temperature_mean_max,
                rcma.precipitation AS precipitation,
                rcma.raindays AS rain_days,
                rcma.sunshine AS sun_hours,
                regions_byt.average_per_day AS average_per_day_costs,
                regions_byt.accomodation AS accommodation_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
        LEFT JOIN countries ON regions.country_id = countries.id
        LEFT 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 precipitation, 
                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
        LEFT JOIN regions_byt ON regions.id = regions_byt.region_id
        WHERE regions_byt.travelstyle = 1`
    );

    for (k = 0; k < regions.length; k++) {
        //regions[k].temperature_mean = climateArrayFormatting(regions[k].temperature_mean);
        //regions[k].temperature_mean_min = climateArrayFormatting(regions[k].temperature_mean_min);
        regions[k].temperature_mean_max = climateArrayFormatting(regions[k].temperature_mean_max);
        regions[k].precipitation = climateArrayFormatting(regions[k].precipitation);
        regions[k].rain_days = climateArrayFormatting(regions[k].rain_days);
        regions[k].sun_hours = climateArrayFormatting(regions[k].sun_hours);
        //regions[k].humidity = climateArrayFormatting(regions[k].humidity);
    }
    return regions;
};