<?php

declare(strict_types=1);

namespace App\Services\SystemConfig;

class SettingValueCaster
{
    public static function normalize(mixed $value, string $type): mixed
    {
        return match ($type) {
            'bool' => filter_var($value, FILTER_VALIDATE_BOOL),
            'int' => $value === null || $value === '' ? null : (int) $value,
            'float' => $value === null || $value === '' ? null : (float) $value,
            'json' => is_array($value) ? $value : (json_decode((string) $value, true) ?: []),
            'image_path' => is_string($value) ? trim($value) : null,
            default => $value === null ? null : trim((string) $value),
        };
    }

    public static function serialize(mixed $value): ?string
    {
        if ($value === null) {
            return null;
        }

        if (is_bool($value)) {
            return $value ? '1' : '0';
        }

        if (is_array($value)) {
            return json_encode($value, JSON_UNESCAPED_SLASHES);
        }

        return (string) $value;
    }

    public static function deserialize(?string $value, string $type): mixed
    {
        if ($value === null) {
            return null;
        }

        return match ($type) {
            'bool' => $value === '1',
            'int' => (int) $value,
            'float' => (float) $value,
            'json' => json_decode($value, true) ?: [],
            default => $value,
        };
    }

    public static function isUnchanged(mixed $oldValue, mixed $newValue): bool
    {
        return self::serialize($oldValue) === self::serialize($newValue);
    }
}