<?php

declare(strict_types=1);

namespace App\Framework\ErrorAggregation;

/**
 * Alert urgency levels for notification prioritization
 */
enum AlertUrgency: string
{
    case URGENT = 'urgent';     // Immediate attention required (SMS, call)
    case HIGH = 'high';         // High priority (push notification, email)
    case MEDIUM = 'medium';     // Medium priority (email)
    case LOW = 'low';           // Low priority (daily digest)

    /**
     * Gets timeout in seconds for escalation
     */
    public function getEscalationTimeout(): int
    {
        return match ($this) {
            self::URGENT => 300,    // 5 minutes
            self::HIGH => 900,      // 15 minutes
            self::MEDIUM => 3600,   // 1 hour
            self::LOW => 86400,     // 24 hours
        };
    }

    /**
     * Gets notification channels for this urgency
     */
    public function getNotificationChannels(): array
    {
        return match ($this) {
            self::URGENT => ['sms', 'call', 'slack', 'email'],
            self::HIGH => ['slack', 'email', 'push'],
            self::MEDIUM => ['email', 'slack'],
            self::LOW => ['email'],
        };
    }

    /**
     * Gets retry strategy for failed notifications
     */
    public function getRetryStrategy(): array
    {
        return match ($this) {
            self::URGENT => [
                'attempts' => 5,
                'delays' => [30, 60, 120, 300, 600], // seconds
            ],
            self::HIGH => [
                'attempts' => 3,
                'delays' => [60, 300, 900],
            ],
            self::MEDIUM => [
                'attempts' => 2,
                'delays' => [300, 1800],
            ],
            self::LOW => [
                'attempts' => 1,
                'delays' => [3600],
            ],
        };
    }

    /**
     * Checks if this urgency requires immediate processing
     */
    public function requiresImmediateProcessing(): bool
    {
        return in_array($this, [self::URGENT, self::HIGH]);
    }

    /**
     * Gets maximum delay before alert must be sent
     */
    public function getMaxDelay(): int
    {
        return match ($this) {
            self::URGENT => 60,      // 1 minute
            self::HIGH => 300,       // 5 minutes
            self::MEDIUM => 1800,    // 30 minutes
            self::LOW => 86400,      // 24 hours
        };
    }
}