<?php

namespace backend\modules\gis\controllers;

use common\models\GisGeoFeatures;
use Yii;
use yii\db\Query;
use yii\web\Response;

class MapController extends \yii\web\Controller
{
    public function actionIndex()
    {
        return $this->render('index');
    }

    public function actionMap()
    {
        return $this->render('map');
    }

    public function actionGeojson()
    {
        Yii::$app->response->format = Response::FORMAT_JSON;

        $gis_base_id = Yii::$app->request->get('GisGeoFeatures')['gis_base_id'] ?? null;

        $features = [];

        // ✅ โหลดข้อมูลจากตาราง gis_tambon เสมอ
        $tambonRows = (new Query())
            ->select(['id', 'tb_name_t', 'tb_code', 'ST_AsGeoJSON(geom) AS geojson'])
            ->from('gis_tambon')
            ->where(['id' => 7662])
            ->all();

        foreach ($tambonRows as $row) {
            $features[] = [
                'type' => 'Feature',
                'geometry' => json_decode($row['geojson']),
                'properties' => [
                    'id' => $row['id'],
                    'name' => $row['tb_name_t'],
                    'interactive' => false
                ]
            ];
        }

        // ✅ โหลดข้อมูลจาก gis_geo_features ตาม gis_base_id (ถ้ามี)
        $geoQuery = (new Query())
            ->select([
                'f.id',
                'f.name',
                'ST_AsGeoJSON(f.geometry) AS geojson',
                'b.color' // 👈 ดึงสีจากตาราง gis_base
            ])
            ->from(['f' => 'gis_geo_features'])
            ->leftJoin(['b' => 'gis_base'], 'f.gis_base_id = b.id'); // 👈 join

        if ($gis_base_id) {
            $geoQuery->where(['f.gis_base_id' => $gis_base_id]);
        }

        $geoRows = $geoQuery->all();

        foreach ($geoRows as $row) {
            $features[] = [
                'type' => 'Feature',
                'geometry' => json_decode($row['geojson']),
                'properties' => [
                    'id' => $row['id'],
                    'name' => $row['name'],
                    'color' => $row['color'] ?? '#3388ff' // ✅ กำหนดสี default ถ้าไม่มี
                ]
            ];
        }

        return [
            'type' => 'FeatureCollection',
            'features' => $features
        ];
    }
    /*public function actionGeojson()
    {
        Yii::$app->response->format = \yii\web\Response::FORMAT_JSON;

        $gis_base_id = Yii::$app->request->get('GisGeoFeatures')['gis_base_id'] ?? null;

        $query = GisGeoFeatures::find();

        if ($gis_base_id) {
            $query->andWhere(['gis_base_id' => $gis_base_id]);
        }

        $features = $query->all();

        $geojson = [
            "type" => "FeatureCollection",
            "features" => []
        ];

        foreach ($features as $f) {
            $geojson['features'][] = [
                "type" => "Feature",
                "geometry" => json_decode($f->geometry),
                "properties" => [
                    "name" => $f->name
                ]
            ];
        }

        return $geojson;
    }*/

}