import { UpsertMembershipFeePresenter } from './UpsertMembershipFeePresenter';
import { UpsertMembershipFeeResultDTO } from '../dtos/UpsertMembershipFeeDTO';
import { MembershipFeeType } from '../dtos/MembershipFeeType';

describe('UpsertMembershipFeePresenter', () => {
  let presenter: UpsertMembershipFeePresenter;

  beforeEach(() => {
    presenter = new UpsertMembershipFeePresenter();
  });

  describe('present', () => {
    it('should store the result', () => {
      const result: UpsertMembershipFeeResultDTO = {
        fee: {
          id: 'fee-123',
          leagueId: 'league-123',
          type: MembershipFeeType.MONTHLY,
          amount: 100,
          enabled: true,
          createdAt: new Date('2024-01-01'),
          updatedAt: new Date('2024-01-02'),
        },
      };

      presenter.present(result);

      expect(presenter.getResponseModel()).toEqual(result);
    });

    it('should overwrite previous result', () => {
      const firstResult: UpsertMembershipFeeResultDTO = {
        fee: {
          id: 'fee-123',
          leagueId: 'league-123',
          type: MembershipFeeType.MONTHLY,
          amount: 100,
          enabled: true,
          createdAt: new Date('2024-01-01'),
          updatedAt: new Date('2024-01-02'),
        },
      };

      const secondResult: UpsertMembershipFeeResultDTO = {
        fee: {
          id: 'fee-456',
          leagueId: 'league-456',
          type: MembershipFeeType.SEASON,
          amount: 200,
          enabled: false,
          createdAt: new Date('2024-01-03'),
          updatedAt: new Date('2024-01-04'),
        },
      };

      presenter.present(firstResult);
      presenter.present(secondResult);

      expect(presenter.getResponseModel()).toEqual(secondResult);
    });
  });

  describe('getResponseModel', () => {
    it('should return null when not presented', () => {
      expect(presenter.getResponseModel()).toBeNull();
    });

    it('should return the result after present()', () => {
      const result: UpsertMembershipFeeResultDTO = {
        fee: {
          id: 'fee-123',
          leagueId: 'league-123',
          type: MembershipFeeType.MONTHLY,
          amount: 100,
          enabled: true,
          createdAt: new Date('2024-01-01'),
          updatedAt: new Date('2024-01-02'),
        },
      };

      presenter.present(result);

      expect(presenter.getResponseModel()).toEqual(result);
    });
  });

  describe('reset', () => {
    it('should clear the result', () => {
      const result: UpsertMembershipFeeResultDTO = {
        fee: {
          id: 'fee-123',
          leagueId: 'league-123',
          type: MembershipFeeType.MONTHLY,
          amount: 100,
          enabled: true,
          createdAt: new Date('2024-01-01'),
          updatedAt: new Date('2024-01-02'),
        },
      };

      presenter.present(result);
      presenter.reset();

      expect(presenter.getResponseModel()).toBeNull();
    });

    it('should allow presenting again after reset', () => {
      const firstResult: UpsertMembershipFeeResultDTO = {
        fee: {
          id: 'fee-123',
          leagueId: 'league-123',
          type: MembershipFeeType.MONTHLY,
          amount: 100,
          enabled: true,
          createdAt: new Date('2024-01-01'),
          updatedAt: new Date('2024-01-02'),
        },
      };

      const secondResult: UpsertMembershipFeeResultDTO = {
        fee: {
          id: 'fee-456',
          leagueId: 'league-456',
          type: MembershipFeeType.SEASON,
          amount: 200,
          enabled: false,
          createdAt: new Date('2024-01-03'),
          updatedAt: new Date('2024-01-04'),
        },
      };

      presenter.present(firstResult);
      presenter.reset();
      presenter.present(secondResult);

      expect(presenter.getResponseModel()).toEqual(secondResult);
    });
  });

  describe('viewModel', () => {
    it('should return the result', () => {
      const result: UpsertMembershipFeeResultDTO = {
        fee: {
          id: 'fee-123',
          leagueId: 'league-123',
          type: MembershipFeeType.MONTHLY,
          amount: 100,
          enabled: true,
          createdAt: new Date('2024-01-01'),
          updatedAt: new Date('2024-01-02'),
        },
      };

      presenter.present(result);

      expect(presenter.viewModel).toEqual(result);
    });

    it('should throw error when accessed before present()', () => {
      expect(() => presenter.viewModel).toThrow('Presenter not presented');
    });

    it('should throw error after reset', () => {
      const result: UpsertMembershipFeeResultDTO = {
        fee: {
          id: 'fee-123',
          leagueId: 'league-123',
          type: MembershipFeeType.MONTHLY,
          amount: 100,
          enabled: true,
          createdAt: new Date('2024-01-01'),
          updatedAt: new Date('2024-01-02'),
        },
      };

      presenter.present(result);
      presenter.reset();

      expect(() => presenter.viewModel).toThrow('Presenter not presented');
    });
  });
});