<?php

declare(strict_types=1);

namespace KTXC\Security\Event;

use KTXF\Event\Event;

/**
 * Security-specific event for authentication and access control events
 */
final class SecurityEvent extends Event implements SecurityRequestEventInterface
{
    // Event names
    public const AUTH_LOGOUT = 'security.auth.logout';
    public const TOKEN_REFRESH = 'security.token.refresh';
    public const TOKEN_REVOKED = 'security.token.revoked';
    
    public const ACCESS_GRANTED = 'security.access.granted';
    
    public const IP_BLOCKED = 'security.ip.blocked';
    public const IP_ALLOWED = 'security.ip.allowed';
    public const DEVICE_BLOCKED = 'security.device.blocked';
    public const FIREWALL_RULE_CREATED = 'security.firewall.rule.created';
    public const FIREWALL_RULE_EXTENDED = 'security.firewall.rule.extended';
    public const FIREWALL_RULE_ENABLED = 'security.firewall.rule.enabled';
    public const FIREWALL_RULE_DISABLED = 'security.firewall.rule.disabled';
    public const FIREWALL_RULE_REMOVED = 'security.firewall.rule.removed';
    public const FIREWALL_SETTINGS_UPDATED = 'security.firewall.settings.updated';

    // Severity levels
    public const SEVERITY_DEBUG = 0;
    public const SEVERITY_INFO = 1;
    public const SEVERITY_WARNING = 2;
    public const SEVERITY_ERROR = 3;
    public const SEVERITY_CRITICAL = 4;

    private readonly int $severity;

    public function __construct(
        string $name,
        array $data = [],
        ?string $tenantId = null,
        ?string $identityId = null,
        private readonly ?string $ipAddress = null,
        private readonly ?string $deviceFingerprint = null,
        private readonly ?string $userAgent = null,
        private readonly ?string $requestPath = null,
        private readonly ?string $requestMethod = null,
        private readonly ?string $userId = null,
        private readonly ?string $reason = null,
        ?int $severity = null,
    ) {
        parent::__construct($name, $data, $tenantId, $identityId);

        $this->severity = $severity ?? self::getSeverityForEvent($name);
    }

    /**
     * Create a security event with common parameters
     */
    public static function create(
        string $name,
        ?string $ipAddress = null,
        ?string $deviceFingerprint = null,
        array $data = [],
        ?string $tenantId = null,
        ?string $identityId = null,
        ?string $userAgent = null,
        ?string $requestPath = null,
        ?string $requestMethod = null,
        ?string $userId = null,
        ?string $reason = null,
        ?int $severity = null,
    ): self {
        return new self(
            $name,
            $data,
            $tenantId,
            $identityId,
            $ipAddress,
            $deviceFingerprint,
            $userAgent,
            $requestPath,
            $requestMethod,
            $userId,
            $reason,
            $severity,
        );
    }

    /**
     * Get default severity for event types
     */
    private static function getSeverityForEvent(string $eventName): int
    {
        return match ($eventName) {
            self::ACCESS_GRANTED,
            self::TOKEN_REFRESH => self::SEVERITY_INFO,
            
            self::AUTH_LOGOUT,
            self::TOKEN_REVOKED => self::SEVERITY_WARNING,
            
            self::IP_BLOCKED,
            self::DEVICE_BLOCKED => self::SEVERITY_CRITICAL,
            
            default => self::SEVERITY_INFO,
        };
    }

    // Getters and setters

    public function getIpAddress(): ?string
    {
        return $this->ipAddress;
    }

    public function getDeviceFingerprint(): ?string
    {
        return $this->deviceFingerprint;
    }

    public function getUserAgent(): ?string
    {
        return $this->userAgent;
    }

    public function getRequestPath(): ?string
    {
        return $this->requestPath;
    }

    public function getRequestMethod(): ?string
    {
        return $this->requestMethod;
    }

    public function getUserId(): ?string
    {
        return $this->userId;
    }

    public function getReason(): ?string
    {
        return $this->reason;
    }

    public function getSeverity(): int
    {
        return $this->severity;
    }

}