export type InfrastructureMonitoringRange = '1h' | '24h' | '7d';

export type InfrastructureMetricPoint = {
  timestamp: string;
  value: number;
};

export type InfrastructureServiceStatus = {
  key: string;
  name: string;
  unit: string;
  status: 'healthy' | 'unhealthy' | 'unknown';
};

export type InfrastructureServiceMetricGroup = {
  key: string;
  name: string;
  available: boolean;
  metrics: Array<{
    key: string;
    label: string;
    value: number | null;
    unit: 'percent' | 'seconds' | 'count' | 'per_second' | 'bytes';
  }>;
};

export type InfrastructureAlert = {
  fingerprint: string;
  name: string;
  severity: 'info' | 'warning' | 'critical';
  status: string;
  startedAt: string;
  summary: string;
  description?: string;
  currentValue?: string;
  threshold?: string;
  service?: string;
  instance?: string;
  acknowledged: boolean;
  acknowledgedAt?: string;
};

export type InfrastructureMonitoringOverview = {
  disks: Array<{
    id: string;
    instance: string;
    device: string;
    mountpoint: string;
    mountpoints: string[];
    filesystem: string;
    usagePercent: number | null;
    totalBytes: number | null;
    availableBytes: number | null;
    trend: InfrastructureMetricPoint[];
  }>;
  available: boolean;
  range: InfrastructureMonitoringRange;
  collectedAt: string;
  lastSampleAt: string | null;
  error?: string;
  summary: {
    overallStatus: 'healthy' | 'warning' | 'critical' | 'unknown';
    serviceTotal: number;
    serviceHealthy: number;
    warningAlerts: number;
    criticalAlerts: number;
    activeAlerts: number;
  };
  metrics: {
    cpuUsagePercent: number | null;
    memoryUsagePercent: number | null;
    memoryTotalBytes: number | null;
    memoryAvailableBytes: number | null;
    diskUsagePercent: number | null;
    diskTotalBytes: number | null;
    diskAvailableBytes: number | null;
    networkReceiveBytesPerSecond: number | null;
    networkTransmitBytesPerSecond: number | null;
    load1: number | null;
    uptimeSeconds: number | null;
  };
  trends: {
    cpuUsagePercent: InfrastructureMetricPoint[];
    memoryUsagePercent: InfrastructureMetricPoint[];
    diskUsagePercent: InfrastructureMetricPoint[];
    networkReceiveBytesPerSecond: InfrastructureMetricPoint[];
    networkTransmitBytesPerSecond: InfrastructureMetricPoint[];
  };
  services: InfrastructureServiceStatus[];
  serviceMetrics: InfrastructureServiceMetricGroup[];
  alerts: InfrastructureAlert[];
};

export type InfrastructureAlertThresholds = Record<string, { warning: number; critical: number }>;

export type InfrastructureAlertSettings = {
  configVersion: number;
  effectiveVersion: number;
  applyStatus: 'effective' | 'applying' | 'failed';
  lastError: string | null;
  appliedAt: string | null;
  thresholds: InfrastructureAlertThresholds;
  effectiveThresholds: InfrastructureAlertThresholds;
  definitions: Array<{ key: string; label: string; unit: string; min: number; max: number; step: number }>;
};