<?php

declare(strict_types=1);

namespace KTXC\Models\Firewall;

use KTXF\Json\JsonDeserializable;

/**
 * Represents a firewall access log entry for tracking blocked/allowed requests
 */
class FirewallLogObject implements \JsonSerializable, JsonDeserializable
{
    public const RESULT_ALLOWED = 'allowed';
    public const RESULT_BLOCKED = 'blocked';
    
    public const EVENT_AUTH_FAILURE = 'auth_failure';
    public const EVENT_RATE_LIMIT = 'rate_limit';
    public const EVENT_BRUTE_FORCE = 'brute_force';
    public const EVENT_SUSPICIOUS = 'suspicious';
    public const EVENT_RULE_MATCH = 'rule_match';
    public const EVENT_ACCESS_CHECK = 'access_check';

    private ?string $id = null;
    private ?string $tenantId = null;
    private ?string $ipAddress = null;
    private ?string $deviceFingerprint = null;
    private ?string $userAgent = null;
    private ?string $requestPath = null;
    private ?string $requestMethod = null;
    private ?string $eventType = null;
    private ?string $result = null;          // allowed, blocked
    private ?string $ruleId = null;          // Which rule triggered (if any)
    private ?string $identityId = null;      // User ID if authenticated
    private ?\DateTimeImmutable $timestamp = null;
    private ?array $metadata = null;         // Additional context

    public function jsonDeserialize(array|string $data): static
    {
        if (is_string($data)) {
            $data = json_decode($data, true);
        }

        if (array_key_exists('_id', $data)) {
            $this->id = $data['_id'] !== null ? (string)$data['_id'] : null;
        } elseif (array_key_exists('id', $data)) {
            $this->id = $data['id'] !== null ? (string)$data['id'] : null;
        }
        
        if (array_key_exists('tenantId', $data)) {
            $this->tenantId = $data['tenantId'] !== null ? (string)$data['tenantId'] : null;
        }
        if (array_key_exists('ipAddress', $data)) {
            $this->ipAddress = $data['ipAddress'] !== null ? (string)$data['ipAddress'] : null;
        }
        if (array_key_exists('deviceFingerprint', $data)) {
            $this->deviceFingerprint = $data['deviceFingerprint'] !== null ? (string)$data['deviceFingerprint'] : null;
        }
        if (array_key_exists('userAgent', $data)) {
            $this->userAgent = $data['userAgent'] !== null ? (string)$data['userAgent'] : null;
        }
        if (array_key_exists('requestPath', $data)) {
            $this->requestPath = $data['requestPath'] !== null ? (string)$data['requestPath'] : null;
        }
        if (array_key_exists('requestMethod', $data)) {
            $this->requestMethod = $data['requestMethod'] !== null ? (string)$data['requestMethod'] : null;
        }
        if (array_key_exists('eventType', $data)) {
            $this->eventType = $data['eventType'] !== null ? (string)$data['eventType'] : null;
        }
        if (array_key_exists('result', $data)) {
            $this->result = $data['result'] !== null ? (string)$data['result'] : null;
        }
        if (array_key_exists('ruleId', $data)) {
            $this->ruleId = $data['ruleId'] !== null ? (string)$data['ruleId'] : null;
        }
        if (array_key_exists('identityId', $data)) {
            $this->identityId = $data['identityId'] !== null ? (string)$data['identityId'] : null;
        }
        if (array_key_exists('timestamp', $data)) {
            $this->timestamp = $data['timestamp'] !== null 
                ? new \DateTimeImmutable($data['timestamp']) 
                : null;
        }
        if (array_key_exists('metadata', $data)) {
            $this->metadata = $data['metadata'] !== null ? (array)$data['metadata'] : null;
        }

        return $this;
    }

    public function jsonSerialize(): array
    {
        return [
            'id' => $this->id,
            'tenantId' => $this->tenantId,
            'ipAddress' => $this->ipAddress,
            'deviceFingerprint' => $this->deviceFingerprint,
            'userAgent' => $this->userAgent,
            'requestPath' => $this->requestPath,
            'requestMethod' => $this->requestMethod,
            'eventType' => $this->eventType,
            'result' => $this->result,
            'ruleId' => $this->ruleId,
            'identityId' => $this->identityId,
            'timestamp' => $this->timestamp?->format(\DateTimeInterface::ATOM),
            'metadata' => $this->metadata,
        ];
    }

    // Getters and setters

    public function getId(): ?string
    {
        return $this->id;
    }

    public function setId(?string $id): self
    {
        $this->id = $id;
        return $this;
    }

    public function getTenantId(): ?string
    {
        return $this->tenantId;
    }

    public function setTenantId(?string $tenantId): self
    {
        $this->tenantId = $tenantId;
        return $this;
    }

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

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

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

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

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

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

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

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

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

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

    public function getEventType(): ?string
    {
        return $this->eventType;
    }

    public function setEventType(?string $eventType): self
    {
        $this->eventType = $eventType;
        return $this;
    }

    public function getResult(): ?string
    {
        return $this->result;
    }

    public function setResult(?string $result): self
    {
        $this->result = $result;
        return $this;
    }

    public function getRuleId(): ?string
    {
        return $this->ruleId;
    }

    public function setRuleId(?string $ruleId): self
    {
        $this->ruleId = $ruleId;
        return $this;
    }

    public function getIdentityId(): ?string
    {
        return $this->identityId;
    }

    public function setIdentityId(?string $identityId): self
    {
        $this->identityId = $identityId;
        return $this;
    }

    public function getTimestamp(): ?\DateTimeImmutable
    {
        return $this->timestamp;
    }

    public function setTimestamp(?\DateTimeImmutable $timestamp): self
    {
        $this->timestamp = $timestamp;
        return $this;
    }

    public function getMetadata(): ?array
    {
        return $this->metadata;
    }

    public function setMetadata(?array $metadata): self
    {
        $this->metadata = $metadata;
        return $this;
    }
}