<?php

declare(strict_types=1);

namespace App\Core;

final class Env
{
    public static function load(string $path): void
    {
        if (!is_file($path)) {
            return;
        }

        $lines = file($path, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);

        if ($lines === false) {
            return;
        }

        foreach ($lines as $line) {
            $line = trim($line);

            if ($line === '' || str_starts_with($line, '#')) {
                continue;
            }

            [$key, $value] = array_pad(explode('=', $line, 2), 2, '');
            $key = trim($key);
            $value = self::normalizeValue(trim($value));

            if ($key === '') {
                continue;
            }

            $_ENV[$key] = $value;
            putenv($key . '=' . $value);
        }
    }

    private static function normalizeValue(string $value): string
    {
        if (
            strlen($value) >= 2
            && (($value[0] === '"' && $value[-1] === '"') || ($value[0] === "'" && $value[-1] === "'"))
        ) {
            return substr($value, 1, -1);
        }

        return $value;
    }
}