<?php
require 'vendor/autoload.php';

$dotenv = Dotenv\Dotenv::createImmutable(__DIR__);
$dotenv->load();

// Autoload classes
spl_autoload_register(function ($class) {
    $path = 'src/' . str_replace('\\', '/', $class) . '.php';
    if (file_exists($path)) {
        include $path;
    }
});

// Initialize logger and database
$logger = new Core\Logger();
$db = new Core\DB();

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $rawData = file_get_contents('php://input');
    $data = json_decode($rawData, true);

    if ($data) {

        $logger->log('Received request data: ' . json_encode($data));

        $api_list = getApiList();
        $results = [];

	$logger->log('Partners: ' . json_encode($api_list));

        foreach ($api_list as $api_name) {
            $class_name = 'Api\\' . ucfirst($api_name) . 'Controller';

            if (class_exists($class_name)) {
                $api = new $class_name();
		$logger->log('Class ' . $class_name . ' CREATED');

                $price = $api->handle_request($data);
                $preparedData = $api->prepareData($price);

                $logger->log($class_name . ' response data: ' . json_encode($preparedData));

                $results[] = $preparedData;
            } else {
                $logger->log('Class ' . $class_name . ' not found');
            }
        }

        header('Content-Type: application/json');
        echo json_encode($results, JSON_UNESCAPED_UNICODE);
    } else {
        echo json_encode(['error' => 'No data provided in JSON request']);
    }
} else {
    echo json_encode(['error' => 'Invalid request method']);
}

function getApiList()
{
    global $db;
    global $logger;
    $result = $db->query("SELECT name FROM partners");

    $api_list = [];

        if ($result && $result->num_rows > 0) {
            while ($row = $result->fetch_assoc()) {
                $api_list[] = $row['name'];
            }
        } else {
            $logger->log('No APIs found in the database');
        }
    
    return $api_list;
}