import { useQuery } from '@tanstack/react-query';
import type {
  ConnectionStatistics,
  DashboardStatistics,
  SupplyDemandAnalysis,
} from '@/services/analytics-api.ts';
import * as analyticsApi from '@/services/analytics-api.ts';

/**
 * Get connection statistics
 * Returns safe defaults immediately to prevent blocking render
 */
export function useConnectionStatistics() {
  return useQuery<ConnectionStatistics>({
    queryKey: ['analytics', 'connections'],
    queryFn: analyticsApi.getConnectionStatistics,
    staleTime: 5 * 60 * 1000, // Cache for 5 minutes
    placeholderData: { total_connections: 0 }, // Render immediately with default
  });
}

/**
 * Get supply and demand analysis
 * Returns safe defaults immediately to prevent blocking render
 */
export function useSupplyDemandAnalysis() {
  return useQuery<SupplyDemandAnalysis>({
    queryKey: ['analytics', 'supply-demand'],
    queryFn: analyticsApi.getSupplyDemandAnalysis,
    staleTime: 5 * 60 * 1000, // Cache for 5 minutes
    placeholderData: { supply: [], demand: [] }, // Render immediately with empty arrays
  });
}

/**
 * Get dashboard statistics
 * Returns safe defaults immediately to prevent blocking render
 */
export function useDashboardStatistics() {
  return useQuery<DashboardStatistics>({
    queryKey: ['analytics', 'dashboard'],
    queryFn: analyticsApi.getDashboardStatistics,
    staleTime: 2 * 60 * 1000, // Cache for 2 minutes
    placeholderData: {
      total_organizations: 0,
      recent_activity: [],
    }, // Render immediately with defaults
  });
}

/**
 * Get platform statistics
 */
export function usePlatformStatistics() {
  return useQuery({
    queryKey: ['analytics', 'platform'],
    queryFn: analyticsApi.getPlatformStatistics,
    staleTime: 5 * 60 * 1000, // Cache for 5 minutes
  });
}

/**
 * Get matching statistics
 */
export function useMatchingStatistics() {
  return useQuery({
    queryKey: ['analytics', 'matching'],
    queryFn: analyticsApi.getMatchingStatistics,
    staleTime: 5 * 60 * 1000, // Cache for 5 minutes
  });
}

/**
 * Get resource flow statistics
 */
export function useResourceFlowStatistics() {
  return useQuery({
    queryKey: ['analytics', 'resource-flow'],
    queryFn: analyticsApi.getResourceFlowStatistics,
    staleTime: 5 * 60 * 1000, // Cache for 5 minutes
  });
}

/**
 * Get impact metrics
 */
export function useImpactMetrics() {
  return useQuery({
    queryKey: ['analytics', 'impact'],
    queryFn: analyticsApi.getImpactMetrics,
    staleTime: 5 * 60 * 1000, // Cache for 5 minutes
  });
}