import { describe, it, expect, vi, beforeEach } from 'vitest';
import { LeagueProtestDetailPageQuery } from './LeagueProtestDetailPageQuery';
import { ProtestDetailService } from '@/lib/services/leagues/ProtestDetailService';
import { Result } from '@/lib/contracts/Result';
import { ProtestDetailViewDataBuilder } from '@/lib/builders/view-data/ProtestDetailViewDataBuilder';
import { mapToPresentationError } from '@/lib/contracts/page-queries/PresentationError';

// Mock dependencies
vi.mock('@/lib/services/leagues/ProtestDetailService', () => ({
  ProtestDetailService: vi.fn().mockImplementation(function (this: any) {
    this.getProtestDetail = vi.fn();
  }),
}));

vi.mock('@/lib/builders/view-data/ProtestDetailViewDataBuilder', () => ({
  ProtestDetailViewDataBuilder: {
    build: vi.fn(),
  },
}));

vi.mock('@/lib/contracts/page-queries/PresentationError', () => ({
  mapToPresentationError: vi.fn(),
}));

describe('LeagueProtestDetailPageQuery', () => {
  let query: LeagueProtestDetailPageQuery;
  let mockServiceInstance: any;

  beforeEach(() => {
    vi.clearAllMocks();
    query = new LeagueProtestDetailPageQuery();
    mockServiceInstance = {
      getProtestDetail: vi.fn(),
    };
    (ProtestDetailService as any).mockImplementation(function () {
      return mockServiceInstance;
    });
  });

  it('should return view data when service succeeds', async () => {
    const params = { leagueId: 'league-123', protestId: 'protest-456' };
    const apiDto = { protest: { id: 'protest-456', description: 'Test protest' } };
    const viewData = { protest: { id: 'protest-456', description: 'Test protest' } };

    mockServiceInstance.getProtestDetail.mockResolvedValue(Result.ok(apiDto));
    (ProtestDetailViewDataBuilder.build as any).mockReturnValue(viewData);

    const result = await query.execute(params);

    expect(result.isOk()).toBe(true);
    expect(result.unwrap()).toEqual(viewData);
    expect(ProtestDetailService).toHaveBeenCalled();
    expect(mockServiceInstance.getProtestDetail).toHaveBeenCalledWith('league-123', 'protest-456');
    expect(ProtestDetailViewDataBuilder.build).toHaveBeenCalledWith(apiDto);
  });

  it('should return mapped presentation error when service fails', async () => {
    const params = { leagueId: 'league-123', protestId: 'protest-456' };
    const serviceError = { type: 'notFound' };
    const presentationError = 'notFound';

    mockServiceInstance.getProtestDetail.mockResolvedValue(Result.err(serviceError));
    (mapToPresentationError as any).mockReturnValue(presentationError);

    const result = await query.execute(params);

    expect(result.isErr()).toBe(true);
    expect(result.getError()).toBe(presentationError);
    expect(mapToPresentationError).toHaveBeenCalledWith(serviceError);
  });

  it('should provide a static execute method', async () => {
    const params = { leagueId: 'league-123', protestId: 'protest-456' };
    const apiDto = { protest: { id: 'protest-456', description: 'Test protest' } };
    const viewData = { protest: { id: 'protest-456', description: 'Test protest' } };

    mockServiceInstance.getProtestDetail.mockResolvedValue(Result.ok(apiDto));
    (ProtestDetailViewDataBuilder.build as any).mockReturnValue(viewData);

    const result = await LeagueProtestDetailPageQuery.execute(params);

    expect(result.isOk()).toBe(true);
    expect(result.unwrap()).toEqual(viewData);
  });
});