# Notification Service Microservice Configuration
# This file configures the service runtime behavior for multi-transport notification delivery

service:
  name: notification-service
  version: 1.0.0
  region: us-east-1
  description: "Multi-channel notification service with templates, broadcast, and real-time streaming"

# Connection to router gateways
routers:
  # Primary TCP connection for synchronous request/response
  - host: localhost
    port: 5100
    transport: tcp
    priority: 1
    options:
      keepAlive: true
      connectTimeout: 5s
      sendTimeout: 30s
      receiveTimeout: 300s

  # RabbitMQ for reliable async messaging and queuing
  - host: localhost
    port: 5672
    transport: rabbitmq
    priority: 2
    options:
      virtualHost: /
      prefetchCount: 50
      exchange: stellaops.notifications
      exchangeType: topic
      deadLetterExchange: stellaops.notifications.dlx
      autoRecovery: true
      recoveryInterval: 5s

  # UDP for broadcast notifications (one-way)
  - host: localhost
    port: 5201
    transport: udp
    priority: 3
    options:
      broadcast: true
      multicastGroup: 239.255.0.1

# Health and lifecycle
health:
  heartbeatInterval: 10s
  healthCheckPath: /health
  readinessCheckPath: /ready
  livenessCheckPath: /live

# Reconnection behavior
resilience:
  initialBackoff: 1s
  maxBackoff: 60s
  maxRetries: -1  # Infinite retries
  circuitBreaker:
    enabled: true
    failureThreshold: 5
    successThreshold: 2
    timeout: 30s

# Priority queue configuration
priorityQueues:
  enabled: true
  levels:
    critical: 4
    high: 3
    normal: 2
    low: 1
  routing:
    critical:
      transport: rabbitmq
      queue: notifications.critical
      ttl: 5m
    high:
      transport: tcp
      queue: notifications.high
      ttl: 15m
    normal:
      transport: tcp
      queue: notifications.normal
      ttl: 1h
    low:
      transport: rabbitmq
      queue: notifications.low
      ttl: 24h

# Rate limiting
rateLimiting:
  enabled: true
  defaultLimit: 1000
  windowSize: 1h
  perUser:
    enabled: true
    limit: 100
    windowSize: 1h
  perChannel:
    sms: 10
    email: 50
    push: 200
    inApp: 1000

# Batch processing configuration
batch:
  maxBatchSize: 1000
  batchTimeout: 5s
  parallelism: 10
  retryPolicy:
    maxAttempts: 3
    backoff: exponential
    initialDelay: 1s
    maxDelay: 30s

# Logging
logging:
  level: Information
  format: json
  includeScopes: true
  maskedFields:
    - password
    - apiKey
    - token
    - phoneNumber

# Metrics
metrics:
  enabled: true
  prefix: notification_service
  labels:
    environment: development
  histogramBuckets:
    delivery_latency_ms: [10, 50, 100, 250, 500, 1000, 2500, 5000, 10000]
  counters:
    - notifications_sent_total
    - notifications_failed_total
    - notifications_delivered_total
    - broadcasts_completed_total

# Template configuration
templates:
  directory: templates
  cacheEnabled: true
  cacheTtl: 5m
  supportedLocales:
    - en
    - es
    - fr
    - de
    - it
    - pt
    - ja
    - zh
    - ko
    - ru
  defaultLocale: en

# Delivery channel configuration
channels:
  inApp:
    enabled: true
    ttl: 30d
  email:
    enabled: true
    provider: smtp
    fromAddress: noreply@example.com
    replyToAddress: support@example.com
  sms:
    enabled: true
    provider: twilio
    maxLength: 160
  push:
    enabled: true
    providers:
      - fcm
      - apns
  webhook:
    enabled: true
    timeout: 10s
    retries: 3
  slack:
    enabled: false
  teams:
    enabled: false