import { http, HttpResponse } from 'msw';

export const handlers = [
  // Health check
  http.get('/api/status', () => {
    return HttpResponse.json({ status: 'OK' });
  }),

  // Get listings
  http.get('/api/listing', () => {
    return HttpResponse.json({ listings: [] });
  }),

  // Get listing GeoJSON
  http.get('/api/listing_geojson', () => {
    return HttpResponse.json({
      type: 'FeatureCollection',
      features: [],
    });
  }),

  // Stream listing GeoJSON
  http.get('/api/listing_geojson/stream', () => {
    const lines = [
      JSON.stringify({ type: 'metadata', batch_size: 50, total_expected: 0, cached: false }),
      JSON.stringify({ type: 'complete', total: 0 }),
    ].join('\n') + '\n';

    return new HttpResponse(lines, {
      headers: { 'Content-Type': 'application/x-ndjson' },
    });
  }),

  // Refresh listings
  http.post('/api/refresh_listings', () => {
    return HttpResponse.json({ task_id: 'test-task-123', message: 'Task started' });
  }),

  // Task status
  http.get('/api/task_status', () => {
    return HttpResponse.json({
      task_id: 'test-task-123',
      status: 'PENDING',
      result: null,
      progress: null,
      processed: null,
      total: null,
      message: null,
      error: null,
      traceback: null,
    });
  }),

  // Tasks for user
  http.get('/api/tasks_for_user', () => {
    return HttpResponse.json([]);
  }),

  // Cancel task
  http.post('/api/cancel_task', () => {
    return HttpResponse.json({ success: true, message: 'Task cancelled' });
  }),

  // Clear all tasks
  http.post('/api/clear_all_tasks', () => {
    return HttpResponse.json({ success: true, count: 0, message: 'Cleared 0 tasks' });
  }),

  // Districts
  http.get('/api/get_districts', () => {
    return HttpResponse.json({
      London: 'REGION^87490',
      Westminster: 'REGION^93980',
      Camden: 'REGION^93941',
    });
  }),
];