/**
 * Mock Data for Development
 * 
 * Provides mock data when the backend API is not available.
 * This allows the frontend to function even without a running backend.
 */

import type {
  NetworkHealthStatus,
  SettlementThroughput,
  GRULiquidityMetrics,
  RiskFlags,
  SCBStatus,
  ParticipantInfo,
} from '@/types';

export const mockNetworkHealth: NetworkHealthStatus[] = [
  {
    subsystem: 'Settlement Engine',
    status: 'healthy',
    lastHeartbeat: new Date().toISOString(),
    latency: 12,
    errorRate: 0.001,
  },
  {
    subsystem: 'GRU Liquidity Pool',
    status: 'healthy',
    lastHeartbeat: new Date().toISOString(),
    latency: 8,
    errorRate: 0.0005,
  },
  {
    subsystem: 'CBDC Registry',
    status: 'healthy',
    lastHeartbeat: new Date().toISOString(),
    latency: 15,
    errorRate: 0.002,
  },
  {
    subsystem: 'Risk Engine',
    status: 'degraded',
    lastHeartbeat: new Date(Date.now() - 30000).toISOString(),
    latency: 45,
    errorRate: 0.01,
  },
];

export const mockSettlementThroughput: SettlementThroughput = {
  txPerSecond: 1250.5,
  dailyVolume: 1250000000,
  byAssetType: {
    fiat: 450000000,
    cbdc: 320000000,
    gru: 280000000,
    ssu: 150000000,
    commodities: 50000000,
  },
  heatmap: [
    { sourceSCB: 'US-SCB', destinationSCB: 'UK-SCB', volume: 150000000 },
    { sourceSCB: 'EU-SCB', destinationSCB: 'US-SCB', volume: 120000000 },
    { sourceSCB: 'UK-SCB', destinationSCB: 'EU-SCB', volume: 95000000 },
  ],
};

export const mockGRULiquidity: GRULiquidityMetrics = {
  currentPrice: 1.0234,
  volatility: 0.012,
  inCirculation: {
    m00: 5000000000,
    m0: 2500000000,
    m1: 1500000000,
    sr1: 800000000,
    sr2: 400000000,
    sr3: 200000000,
  },
};

export const mockRiskFlags: RiskFlags = {
  high: 3,
  medium: 12,
  low: 45,
  alerts: [
    {
      id: 'alert-001',
      type: 'Liquidity Threshold',
      severity: 'high',
      description: 'GRU M0 pool below 80% threshold',
      timestamp: new Date().toISOString(),
    },
    {
      id: 'alert-002',
      type: 'Settlement Delay',
      severity: 'medium',
      description: 'Average settlement time increased by 15%',
      timestamp: new Date(Date.now() - 3600000).toISOString(),
    },
  ],
};

export const mockSCBStatus: SCBStatus[] = [
  {
    scbId: 'US-SCB',
    name: 'United States Sovereign Bank',
    country: 'United States',
    bic: 'USSBUS33',
    status: 'active',
    connectivity: 'connected',
    latency: 12,
    errorRate: 0.001,
    openIncidents: 0,
  },
  {
    scbId: 'UK-SCB',
    name: 'United Kingdom Sovereign Bank',
    country: 'United Kingdom',
    bic: 'UKSBGB22',
    status: 'active',
    connectivity: 'connected',
    latency: 18,
    errorRate: 0.002,
    openIncidents: 1,
  },
  {
    scbId: 'EU-SCB',
    name: 'European Union Sovereign Bank',
    country: 'European Union',
    bic: 'EUSBBE55',
    status: 'active',
    connectivity: 'degraded',
    latency: 35,
    errorRate: 0.008,
    openIncidents: 2,
  },
  {
    scbId: 'JP-SCB',
    name: 'Japan Sovereign Bank',
    country: 'Japan',
    bic: 'JPSBJP99',
    status: 'active',
    connectivity: 'connected',
    latency: 25,
    errorRate: 0.003,
    openIncidents: 0,
  },
];

export const mockParticipants: ParticipantInfo[] = mockSCBStatus.map((scb) => ({
  scbId: scb.scbId,
  name: scb.name,
  country: scb.country,
  bic: scb.bic,
  status: scb.status,
  connectivity: scb.connectivity,
  lastHeartbeat: new Date().toISOString(),
  latency: scb.latency,
  errorRate: scb.errorRate,
}));

export const mockGlobalOverview = {
  networkHealth: mockNetworkHealth,
  settlementThroughput: mockSettlementThroughput,
  gruLiquidity: mockGRULiquidity,
  riskFlags: mockRiskFlags,
  scbStatus: mockSCBStatus,
};