import { requireAuth } from '~/server/utils/auth';

export default defineEventHandler(async (event) => {
  console.log('[test-berth-interested-parties] Testing berth interested parties...');

  // Check authentication
  await requireAuth(event);

  try {
    const config = useRuntimeConfig().nocodb;
    
    // First, let's get all berths and see which ones have interested parties
    const berthsResponse = await $fetch(`${config.url}/api/v2/tables/mczgos9hr3oa9qc/records`, {
      headers: {
        "xc-token": config.token,
      },
      params: {
        limit: 100,
        fields: '*'
      }
    });

    const berths = (berthsResponse as any).list || [];
    console.log('[test-berth-interested-parties] Total berths:', berths.length);

    // Find berths with interested parties
    const berthsWithParties = berths.filter((b: any) => 
      b['Interested Parties'] && Array.isArray(b['Interested Parties']) && b['Interested Parties'].length > 0
    );

    console.log('[test-berth-interested-parties] Berths with interested parties:', berthsWithParties.length);

    if (berthsWithParties.length === 0) {
      return {
        message: "No berths found with interested parties",
        totalBerths: berths.length,
        berthsWithParties: 0
      };
    }

    // Take the first berth with interested parties for testing
    const testBerth = berthsWithParties[0];
    console.log('[test-berth-interested-parties] Test berth:', {
      id: testBerth.Id,
      mooringNumber: testBerth['Mooring Number'],
      interestedPartiesCount: testBerth['Interested Parties'].length
    });

    // Log the raw interested parties data
    console.log('[test-berth-interested-parties] Raw Interested Parties data:', 
      JSON.stringify(testBerth['Interested Parties'], null, 2)
    );

    // Analyze the structure
    const firstParty = testBerth['Interested Parties'][0];
    const partyAnalysis = {
      type: typeof firstParty,
      isArray: Array.isArray(firstParty),
      isObject: firstParty && typeof firstParty === 'object',
      value: firstParty,
      keys: firstParty && typeof firstParty === 'object' && !Array.isArray(firstParty) 
        ? Object.keys(firstParty) 
        : []
    };

    console.log('[test-berth-interested-parties] First party analysis:', partyAnalysis);

    // Try to extract IDs
    const extractedIds = testBerth['Interested Parties'].map((party: any) => {
      if (typeof party === 'number') return { id: party, type: 'number' };
      if (typeof party === 'string') return { id: party, type: 'string' };
      if (party && typeof party === 'object') {
        return { 
          id: party.Id || party.id || party.ID || party._id || null,
          type: 'object',
          keys: Object.keys(party)
        };
      }
      return { id: null, type: 'unknown' };
    });

    console.log('[test-berth-interested-parties] Extracted IDs:', extractedIds);

    // Try to fetch one interest if we have an ID
    let fetchedInterest = null;
    const validId = extractedIds.find((item: any) => item.id !== null);
    
    if (validId && validId.id) {
      try {
        const interestId = typeof validId.id === 'string' ? validId.id : validId.id.toString();
        fetchedInterest = await $fetch(`${config.url}/api/v2/tables/mbs9hjauug4eseo/records/${interestId}`, {
          headers: {
            "xc-token": config.token,
          }
        });
        console.log('[test-berth-interested-parties] Successfully fetched interest:', interestId);
      } catch (error) {
        console.error('[test-berth-interested-parties] Failed to fetch interest:', error);
      }
    }

    return {
      testBerth: {
        id: testBerth.Id,
        mooringNumber: testBerth['Mooring Number'],
        interestedPartiesCount: testBerth['Interested Parties'].length
      },
      rawInterestedParties: testBerth['Interested Parties'],
      firstPartyAnalysis: partyAnalysis,
      extractedIds: extractedIds,
      fetchedInterest: fetchedInterest,
      recommendation: determineRecommendation(testBerth['Interested Parties'])
    };
  } catch (error: any) {
    console.error('[test-berth-interested-parties] Error:', error);
    return {
      error: error.message || 'Unknown error',
      details: error
    };
  }
});

function determineRecommendation(interestedParties: any[]): string {
  if (!interestedParties || interestedParties.length === 0) {
    return "No interested parties found";
  }

  const firstParty = interestedParties[0];
  
  if (typeof firstParty === 'number') {
    return "Interested parties are stored as number IDs. Population logic should handle this format.";
  }
  
  if (typeof firstParty === 'string') {
    return "Interested parties are stored as string IDs. Population logic should parse these.";
  }
  
  if (firstParty && typeof firstParty === 'object') {
    const keys = Object.keys(firstParty);
    if (keys.includes('Id') || keys.includes('id')) {
      return "Interested parties are objects with ID fields. Population logic looks correct.";
    }
    return `Interested parties are objects but with unexpected keys: ${keys.join(', ')}`;
  }
  
  return "Unknown format for interested parties data";
}