import { describe, it, expect, beforeEach, vi, type Mock } from 'vitest';
import {
  GetProfileOverviewUseCase,
  type GetProfileOverviewInput,
  type GetProfileOverviewResult,
  type GetProfileOverviewErrorCode,
} from './GetProfileOverviewUseCase';
import { IDriverRepository } from '../../domain/repositories/IDriverRepository';
import { ITeamRepository } from '../../domain/repositories/ITeamRepository';
import { ITeamMembershipRepository } from '../../domain/repositories/ITeamMembershipRepository';
import { ISocialGraphRepository } from '@core/social/domain/repositories/ISocialGraphRepository';
import { Driver } from '../../domain/entities/Driver';
import { Team } from '../../domain/entities/Team';
import type { UseCaseOutputPort } from '@core/shared/application';
import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorCode';

describe('GetProfileOverviewUseCase', () => {
  let useCase: GetProfileOverviewUseCase;
  let driverRepository: {
    findById: Mock;
  };
  let teamRepository: {
    findAll: Mock;
  };
  let teamMembershipRepository: {
    getMembership: Mock;
  };
  let socialRepository: {
    getFriends: Mock;
  };
  let getDriverStats: Mock;
  let getAllDriverRankings: Mock;
  let driverExtendedProfileProvider: {
    getExtendedProfile: Mock;
  };
  let output: UseCaseOutputPort<GetProfileOverviewResult> & { present: Mock };

  beforeEach(() => {
    driverRepository = {
      findById: vi.fn(),
    };
    teamRepository = {
      findAll: vi.fn(),
    };
    teamMembershipRepository = {
      getMembership: vi.fn(),
    };
    socialRepository = {
      getFriends: vi.fn(),
    };
    getDriverStats = vi.fn();
    getAllDriverRankings = vi.fn();
    driverExtendedProfileProvider = {
      getExtendedProfile: vi.fn(),
    };
    output = {
      present: vi.fn(),
    } as unknown as UseCaseOutputPort<GetProfileOverviewResult> & { present: Mock };

    useCase = new GetProfileOverviewUseCase(
      driverRepository as unknown as IDriverRepository,
      teamRepository as unknown as ITeamRepository,
      teamMembershipRepository as unknown as ITeamMembershipRepository,
      socialRepository as unknown as ISocialGraphRepository,
      driverExtendedProfileProvider,
      getDriverStats,
      getAllDriverRankings,
      output,
    );
  });

  it('should return profile overview for existing driver', async () => {
    const driverId = 'driver-1';
    const driver = Driver.create({
      id: driverId,
      iracingId: '123',
      name: 'Test Driver',
      country: 'US',
    });
    const teams = [
      Team.create({
        id: 'team-1',
        name: 'Test Team',
        tag: 'TT',
        description: 'Test',
        ownerId: 'owner-1',
        leagues: [],
      }),
    ];
    const friends = [
      Driver.create({ id: 'friend-1', iracingId: '456', name: 'Friend', country: 'US' }),
    ];
    const statsAdapter = {
      rating: 1500,
      wins: 5,
      podiums: 2,
      dnfs: 1,
      totalRaces: 10,
      avgFinish: 3.5,
      bestFinish: 1,
      worstFinish: 10,
      overallRank: 10,
      consistency: 90,
      percentile: 75,
    };
    const rankings = [{ driverId, rating: 1500, overallRank: 10 }];

    driverRepository.findById.mockResolvedValue(driver);
    teamRepository.findAll.mockResolvedValue(teams);
    teamMembershipRepository.getMembership.mockResolvedValue(null);
    socialRepository.getFriends.mockResolvedValue(friends);
    getDriverStats.mockReturnValue(statsAdapter);
    getAllDriverRankings.mockReturnValue(rankings);
    driverExtendedProfileProvider.getExtendedProfile.mockReturnValue(null);

    const result = await useCase.execute({ driverId } as GetProfileOverviewInput);

    expect(result.isOk()).toBe(true);
    expect(result.unwrap()).toBeUndefined();
    expect(output.present).toHaveBeenCalledTimes(1);
    const presented = (output.present as unknown as Mock).mock.calls[0]?.[0] as GetProfileOverviewResult;
    expect(presented.driverInfo.driver.id).toBe(driverId);
    expect(presented.extendedProfile).toBeNull();
  });

  it('should return error for non-existing driver', async () => {
    const driverId = 'driver-1';
    driverRepository.findById.mockResolvedValue(null);

    const result = await useCase.execute({ driverId } as GetProfileOverviewInput);
 
    expect(result.isErr()).toBe(true);
    const error = result.unwrapErr() as ApplicationErrorCode<
      GetProfileOverviewErrorCode,
      { message: string }
    >;
    expect(error.code).toBe('DRIVER_NOT_FOUND');
    expect(error.details.message).toBe('Driver not found');
    expect(output.present).not.toHaveBeenCalled();
  });

  it('should return error on repository failure', async () => {
    const driverId = 'driver-1';
    driverRepository.findById.mockRejectedValue(new Error('DB error'));

    const result = await useCase.execute({ driverId } as GetProfileOverviewInput);
 
    expect(result.isErr()).toBe(true);
    const error = result.unwrapErr() as ApplicationErrorCode<
      GetProfileOverviewErrorCode,
      { message: string }
    >;
    expect(error.code).toBe('REPOSITORY_ERROR');
    expect(error.details.message).toBe('DB error');
    expect(output.present).not.toHaveBeenCalled();
  });
});