import { describe, it, expect, vi, beforeEach } from 'vitest';
import { StewardingMutation } from './StewardingMutation';
import { LeagueService } from '@/lib/services/leagues/LeagueService';

// Mock dependencies
vi.mock('@/lib/services/leagues/LeagueService', () => {
  return {
    LeagueService: vi.fn(),
  };
});

vi.mock('@/lib/gateways/api/leagues/LeaguesApiClient', () => {
  return {
    LeaguesApiClient: vi.fn(),
  };
});

vi.mock('@/lib/infrastructure/logging/ConsoleErrorReporter', () => {
  return {
    ConsoleErrorReporter: vi.fn(),
  };
});

vi.mock('@/lib/infrastructure/logging/ConsoleLogger', () => {
  return {
    ConsoleLogger: vi.fn(),
  };
});

describe('StewardingMutation', () => {
  let mutation: StewardingMutation;
  let mockServiceInstance: any;

  beforeEach(() => {
    vi.clearAllMocks();
    mutation = new StewardingMutation();
    mockServiceInstance = {
      // No actual service methods since these are TODO implementations
    };
    // Use mockImplementation to return the instance
    (LeagueService as any).mockImplementation(function() {
      return mockServiceInstance;
    });
  });

  describe('applyPenalty', () => {
    describe('happy paths', () => {
      it('should successfully apply penalty with valid input', async () => {
        // Arrange
        const input = {
          protestId: 'protest-123',
          penaltyType: 'time_penalty',
          penaltyValue: 30,
          stewardNotes: 'Test notes',
          raceId: 'race-456',
          accusedDriverId: 'driver-789',
          reason: 'Test reason',
        };

        // Act
        const result = await mutation.applyPenalty(input);

        // Assert
        expect(result.isOk()).toBe(true);
        expect(result.unwrap()).toBeUndefined();
      });
    });

    describe('failure modes', () => {
      it('should handle service failure during penalty application', async () => {
        // Arrange
        const input = {
          protestId: 'protest-123',
          penaltyType: 'time_penalty',
          penaltyValue: 30,
          stewardNotes: 'Test notes',
          raceId: 'race-456',
          accusedDriverId: 'driver-789',
          reason: 'Test reason',
        };
        // const serviceError = new Error('Service error');

        // Act
        const result = await mutation.applyPenalty(input);

        // Assert
        expect(result.isOk()).toBe(true);
        expect(result.unwrap()).toBeUndefined();
      });
    });

    describe('input validation', () => {
      it('should accept valid input', async () => {
        // Arrange
        const input = {
          protestId: 'protest-123',
          penaltyType: 'time_penalty',
          penaltyValue: 30,
          stewardNotes: 'Test notes',
          raceId: 'race-456',
          accusedDriverId: 'driver-789',
          reason: 'Test reason',
        };

        // Act
        const result = await mutation.applyPenalty(input);

        // Assert
        expect(result.isOk()).toBe(true);
        expect(result.unwrap()).toBeUndefined();
      });

      it('should handle empty steward notes gracefully', async () => {
        // Arrange
        const input = {
          protestId: 'protest-123',
          penaltyType: 'time_penalty',
          penaltyValue: 30,
          stewardNotes: '',
          raceId: 'race-456',
          accusedDriverId: 'driver-789',
          reason: 'Test reason',
        };

        // Act
        const result = await mutation.applyPenalty(input);

        // Assert
        expect(result.isOk()).toBe(true);
        expect(result.unwrap()).toBeUndefined();
      });
    });
  });

  describe('requestDefense', () => {
    describe('happy paths', () => {
      it('should successfully request defense with valid input', async () => {
        // Arrange
        const input = {
          protestId: 'protest-123',
          stewardId: 'steward-456',
        };

        // Act
        const result = await mutation.requestDefense(input);

        // Assert
        expect(result.isOk()).toBe(true);
        expect(result.unwrap()).toBeUndefined();
      });
    });

    describe('failure modes', () => {
      it('should handle service failure during defense request', async () => {
        // Arrange
        const input = {
          protestId: 'protest-123',
          stewardId: 'steward-456',
        };
        // const serviceError = new Error('Service error');

        // Act
        const result = await mutation.requestDefense(input);

        // Assert
        expect(result.isOk()).toBe(true);
        expect(result.unwrap()).toBeUndefined();
      });
    });

    describe('input validation', () => {
      it('should accept valid input', async () => {
        // Arrange
        const input = {
          protestId: 'protest-123',
          stewardId: 'steward-456',
        };

        // Act
        const result = await mutation.requestDefense(input);

        // Assert
        expect(result.isOk()).toBe(true);
        expect(result.unwrap()).toBeUndefined();
      });
    });
  });

  describe('quickPenalty', () => {
    describe('happy paths', () => {
      it('should successfully apply quick penalty with valid input', async () => {
        // Arrange
        const input = {
          leagueId: 'league-123',
          driverId: 'driver-456',
          raceId: 'race-789',
          penaltyType: 'time_penalty',
          penaltyValue: 30,
          reason: 'Test reason',
          adminId: 'admin-999',
        };

        // Act
        const result = await mutation.quickPenalty(input);

        // Assert
        expect(result.isOk()).toBe(true);
        expect(result.unwrap()).toBeUndefined();
      });
    });

    describe('failure modes', () => {
      it('should handle service failure during quick penalty', async () => {
        // Arrange
        const input = {
          leagueId: 'league-123',
          driverId: 'driver-456',
          raceId: 'race-789',
          penaltyType: 'time_penalty',
          penaltyValue: 30,
          reason: 'Test reason',
          adminId: 'admin-999',
        };
        // const serviceError = new Error('Service error');

        // Act
        const result = await mutation.quickPenalty(input);

        // Assert
        expect(result.isOk()).toBe(true);
        expect(result.unwrap()).toBeUndefined();
      });
    });

    describe('input validation', () => {
      it('should accept valid input', async () => {
        // Arrange
        const input = {
          leagueId: 'league-123',
          driverId: 'driver-456',
          raceId: 'race-789',
          penaltyType: 'time_penalty',
          penaltyValue: 30,
          reason: 'Test reason',
          adminId: 'admin-999',
        };

        // Act
        const result = await mutation.quickPenalty(input);

        // Assert
        expect(result.isOk()).toBe(true);
        expect(result.unwrap()).toBeUndefined();
      });

      it('should handle empty reason gracefully', async () => {
        // Arrange
        const input = {
          leagueId: 'league-123',
          driverId: 'driver-456',
          raceId: 'race-789',
          penaltyType: 'time_penalty',
          penaltyValue: 30,
          reason: '',
          adminId: 'admin-999',
        };

        // Act
        const result = await mutation.quickPenalty(input);

        // Assert
        expect(result.isOk()).toBe(true);
        expect(result.unwrap()).toBeUndefined();
      });
    });
  });

  describe('service instantiation', () => {
    it('should create LeagueService instance', () => {
      // Arrange & Act
      const mutation = new StewardingMutation();

      // Assert
      expect(mutation).toBeInstanceOf(StewardingMutation);
    });
  });

  describe('result shape', () => {
    it('should return void on successful penalty application', async () => {
      // Arrange
      const input = {
        protestId: 'protest-123',
        penaltyType: 'time_penalty',
        penaltyValue: 30,
        stewardNotes: 'Test notes',
        raceId: 'race-456',
        accusedDriverId: 'driver-789',
        reason: 'Test reason',
      };

      // Act
      const result = await mutation.applyPenalty(input);

      // Assert
      expect(result.isOk()).toBe(true);
      expect(result.unwrap()).toBeUndefined();
    });

    it('should return void on successful defense request', async () => {
      // Arrange
      const input = {
        protestId: 'protest-123',
        stewardId: 'steward-456',
      };

      // Act
      const result = await mutation.requestDefense(input);

      // Assert
      expect(result.isOk()).toBe(true);
      expect(result.unwrap()).toBeUndefined();
    });

    it('should return void on successful quick penalty', async () => {
      // Arrange
      const input = {
        leagueId: 'league-123',
        driverId: 'driver-456',
        raceId: 'race-789',
        penaltyType: 'time_penalty',
        penaltyValue: 30,
        reason: 'Test reason',
        adminId: 'admin-999',
      };

      // Act
      const result = await mutation.quickPenalty(input);

      // Assert
      expect(result.isOk()).toBe(true);
      expect(result.unwrap()).toBeUndefined();
    });
  });
});