<?php

namespace MintyPHP\Service\Settings;

class SettingsSystemAuditGateway
{
    private const SYSTEM_AUDIT_ENABLED_FALLBACK = true;
    private const SYSTEM_AUDIT_RETENTION_DAYS_FALLBACK = 365;
    private const SYSTEM_AUDIT_RETENTION_DAYS_MIN = 30;
    private const SYSTEM_AUDIT_RETENTION_DAYS_MAX = 1095;

    public function __construct(private readonly SettingsMetadataGateway $settingsMetadataGateway)
    {
    }

    public function isSystemAuditEnabled(): bool
    {
        $value = strtolower(trim((string) ($this->settingsMetadataGateway->getValue(SettingKeys::SYSTEM_AUDIT_ENABLED_KEY) ?? '')));
        if ($value === '') {
            return self::SYSTEM_AUDIT_ENABLED_FALLBACK;
        }

        return in_array($value, ['1', 'true', 'yes', 'on'], true);
    }

    public function setSystemAuditEnabled(bool $enabled, ?string $description = null): bool
    {
        $desc = $description ?? 'setting.system_audit_enabled';
        return $this->settingsMetadataGateway->set(SettingKeys::SYSTEM_AUDIT_ENABLED_KEY, $enabled ? '1' : '0', $desc);
    }

    public function getSystemAuditRetentionDays(): int
    {
        $value = $this->settingsMetadataGateway->getInt(SettingKeys::SYSTEM_AUDIT_RETENTION_DAYS_KEY);
        if ($value === null) {
            return self::SYSTEM_AUDIT_RETENTION_DAYS_FALLBACK;
        }
        if ($value < self::SYSTEM_AUDIT_RETENTION_DAYS_MIN || $value > self::SYSTEM_AUDIT_RETENTION_DAYS_MAX) {
            return self::SYSTEM_AUDIT_RETENTION_DAYS_FALLBACK;
        }

        return $value;
    }

    public function setSystemAuditRetentionDays(?int $days, ?string $description = null): bool
    {
        $value = $days ?? self::SYSTEM_AUDIT_RETENTION_DAYS_FALLBACK;
        if ($value < self::SYSTEM_AUDIT_RETENTION_DAYS_MIN || $value > self::SYSTEM_AUDIT_RETENTION_DAYS_MAX) {
            return false;
        }

        $desc = $description ?? 'setting.system_audit_retention_days';
        return $this->settingsMetadataGateway->set(SettingKeys::SYSTEM_AUDIT_RETENTION_DAYS_KEY, (string) $value, $desc);
    }
}
