<?php
namespace App;
require_once($_SERVER['DOCUMENT_ROOT'] . '/rss/php/autoload.php');

use PDO;
use PDOException;
use Exception;

class Main extends Sys{


    public function __construct(){
        
    }

    public function getCountryData() {
    $csvPath = $_SERVER['DOCUMENT_ROOT'] . '/rss/csv/worldcities.csv';
    if (!file_exists($csvPath)) {
        return ['status' => 'error', 'message' => 'CSV file not found'];
    }

    $handle = fopen($csvPath, 'r');
    if (!$handle) {
        return ['status' => 'error', 'message' => 'Failed to open CSV'];
    }

    $header = fgetcsv($handle);
    $countryData = [];

    while (($row = fgetcsv($handle)) !== false) {
        $rowData = array_combine($header, $row);

        $country = $rowData['country'] ?? null;
        $city = $rowData['city'] ?? null;
        $state = $rowData['admin_name'] ?? null;

        if (!$country || !$city) {
            continue;
        }

        $cityObj = ['city' => $city];
        if ($state && $state !== $city) {
            $cityObj['state'] = $state;
        }

        if (!isset($countryData[$country])) {
            $countryData[$country] = [];
        }

        $countryData[$country][] = $cityObj;
    }

    fclose($handle);
        return $this->createResponse('success', $countryData);
    }
}