const { DisputeService } = require('./backend/src/disputes/dispute-service');
const { DB } = require('./backend/src/db');

// Mock database for testing
class MockDB {
  constructor() {
    this.queries = [];
  }

  async query(sql, params) {
    this.queries.push({ sql, params });
    
    // Return mock results based on SQL
    if (sql.includes('INSERT INTO disputes')) {
      return { insertId: 1 };
    }
    if (sql.includes('SELECT * FROM disputes WHERE id = ?')) {
      return [[{
        id: 1,
        deal_id: 123,
        opened_by_user_id: 456,
        status: 'open',
        reason_code: 'NO_SHOW',
        summary: 'Test dispute',
        requested_outcome: 'refund',
        created_at: '2026-03-19T14:00:00Z',
        updated_at: '2026-03-19T14:00:00Z'
      }]];
    }
    if (sql.includes('SELECT * FROM dispute_events WHERE dispute_id = ?')) {
      return [[]];
    }
    return [];
  }
}

// Test the dispute service
async function testDisputeService() {
  console.log('Testing Dispute Service...');
  
  const mockDB = new MockDB();
  const disputeService = new DisputeService(mockDB);
  
  try {
    // Test creating a dispute
    console.log('1. Testing createDispute...');
    const dispute = await disputeService.createDispute({
      deal_id: 123,
      opened_by_user_id: 456,
      reason_code: 'NO_SHOW',
      summary: 'Test dispute',
      requested_outcome: 'refund'
    });
    
    console.log('✓ Dispute created successfully');
    console.log('Dispute ID:', dispute.id);
    
    // Test getting a dispute
    console.log('2. Testing getDisputeById...');
    const retrievedDispute = await disputeService.getDisputeById(1);
    console.log('✓ Dispute retrieved successfully');
    console.log('Status:', retrievedDispute.status);
    
    // Test updating status
    console.log('3. Testing updateDisputeStatus...');
    await disputeService.updateDisputeStatus(1, 'evidence', 456);
    console.log('✓ Status updated successfully');
    
    // Test adding evidence
    console.log('4. Testing addEvidence...');
    await disputeService.addEvidence(1, 456, { file: 'test.jpg' });
    console.log('✓ Evidence added successfully');
    
    // Test resolving dispute
    console.log('5. Testing resolveDispute...');
    await disputeService.resolveDispute(1, 456, 'refund', 'User did not show up');
    console.log('✓ Dispute resolved successfully');
    
    // Test getting events
    console.log('6. Testing getDisputeEvents...');
    const events = await disputeService.getDisputeEvents(1);
    console.log('✓ Events retrieved successfully');
    console.log('Number of events:', events.length);
    
    console.log('\n🎉 All tests passed!');
    
  } catch (error) {
    console.error('❌ Test failed:', error.message);
    return false;
  }
  
  return true;
}

// Run the test
testDisputeService().then(success => {
  if (success) {
    console.log('\n✅ All tests completed successfully');
  } else {
    console.log('\n❌ Some tests failed');
    process.exit(1);
  }
});