global:
  resolve_timeout: 5m
  # Slack webhook URL (replace with actual webhook)
  slack_api_url: 'https://hooks.slack.com/services/YOUR/WEBHOOK/URL'

# Templates for alert notifications
templates:
  - '/etc/alertmanager/templates/*.tmpl'

# Route configuration
route:
  group_by: ['alertname', 'severity', 'service']
  group_wait: 10s
  group_interval: 10s
  repeat_interval: 12h
  receiver: 'default'

  routes:
    # Critical alerts go to critical receiver
    - match:
        severity: critical
      receiver: 'critical'
      continue: false

    # Warning alerts go to warning receiver
    - match:
        severity: warning
      receiver: 'warning'
      continue: false

    # Info alerts go to info receiver
    - match:
        severity: info
      receiver: 'info'
      continue: false

# Receivers configuration
receivers:
  - name: 'default'
    slack_configs:
      - channel: '#telecom-platform-alerts'
        send_resolved: true
        title: '{{ .GroupLabels.alertname }}'
        text: >-
          {{ range .Alerts }}
          Alert: {{ .Labels.alertname }}
          Severity: {{ .Labels.severity }}
          Service: {{ .Labels.service }}
          Description: {{ .Annotations.description }}
          {{ end }}

  - name: 'critical'
    slack_configs:
      - channel: '#telecom-platform-critical'
        send_resolved: true
        title: '🚨 CRITICAL: {{ .GroupLabels.alertname }}'
        color: 'danger'
        text: >-
          {{ range .Alerts }}
          Alert: {{ .Labels.alertname }}
          Severity: {{ .Labels.severity }}
          Service: {{ .Labels.service }}
          Description: {{ .Annotations.description }}
          {{ end }}
    # Email configuration for critical alerts
    email_configs:
      - to: 'oncall@telecom-platform.com'
        from: 'alertmanager@telecom-platform.com'
        headers:
          Subject: '🚨 CRITICAL: {{ .GroupLabels.alertname }}'
        html: >-
          {{ range .Alerts }}
          <h3>{{ .Labels.alertname }}</h3>
          <p><strong>Severity:</strong> {{ .Labels.severity }}</p>
          <p><strong>Service:</strong> {{ .Labels.service }}</p>
          <p><strong>Description:</strong> {{ .Annotations.description }}</p>
          <hr>
          {{ end }}

  - name: 'warning'
    slack_configs:
      - channel: '#telecom-platform-warnings'
        send_resolved: true
        title: '⚠️ WARNING: {{ .GroupLabels.alertname }}'
        color: 'warning'
        text: >-
          {{ range .Alerts }}
          Alert: {{ .Labels.alertname }}
          Severity: {{ .Labels.severity }}
          Service: {{ .Labels.service }}
          Description: {{ .Annotations.description }}
          {{ end }}

  - name: 'info'
    slack_configs:
      - channel: '#telecom-platform-info'
        send_resolved: true
        title: 'ℹ️ INFO: {{ .GroupLabels.alertname }}'
        color: 'good'
        text: >-
          {{ range .Alerts }}
          Alert: {{ .Labels.alertname }}
          Severity: {{ .Labels.severity }}
          Service: {{ .Labels.service }}
          Description: {{ .Annotations.description }}
          {{ end }}

# Inhibition rules
inhibit_rules:
  # If a critical alert is firing, inhibit warnings for the same service
  - source_match:
      severity: 'critical'
    target_match:
      severity: 'warning'
    equal: ['service']
    target_match_re:
      alertname: '.*'

  # If a service is down, inhibit other alerts for that service
  - source_match:
      alertname: '.*Down'
    target_match_re:
      alertname: '.*'
    equal: ['service']