import { describe, it, expect } from 'vitest';
import { LeagueSponsorshipsViewDataBuilder } from './LeagueSponsorshipsViewDataBuilder';
import type { LeagueSponsorshipsApiDto } from '@/lib/types/tbd/LeagueSponsorshipsApiDto';

describe('LeagueSponsorshipsViewDataBuilder', () => {
  describe('happy paths', () => {
    it('should transform LeagueSponsorshipsApiDto to LeagueSponsorshipsViewData correctly', () => {
      const leagueSponsorshipsApiDto: LeagueSponsorshipsApiDto = {
        leagueId: 'league-123',
        league: {
          id: 'league-123',
          name: 'Test League',
        },
        sponsorshipSlots: [
          {
            id: 'slot-1',
            name: 'Primary Sponsor',
            price: 1000,
            status: 'available',
          },
        ],
        sponsorshipRequests: [
          {
            id: 'request-1',
            sponsorId: 'sponsor-1',
            sponsorName: 'Test Sponsor',
            sponsorLogo: 'logo-url',
            message: 'Test message',
            requestedAt: '2024-01-01T10:00:00Z',
            status: 'pending',
          },
        ],
      };

      const result = LeagueSponsorshipsViewDataBuilder.build(leagueSponsorshipsApiDto);

      expect(result).toEqual({
        leagueId: 'league-123',
        activeTab: 'overview',
        onTabChange: expect.any(Function),
        league: {
          id: 'league-123',
          name: 'Test League',
        },
        sponsorshipSlots: [
          {
            id: 'slot-1',
            name: 'Primary Sponsor',
            price: 1000,
            status: 'available',
          },
        ],
        sponsorshipRequests: [
          {
            id: 'request-1',
            sponsorId: 'sponsor-1',
            sponsorName: 'Test Sponsor',
            sponsorLogo: 'logo-url',
            message: 'Test message',
            requestedAt: '2024-01-01T10:00:00Z',
            status: 'pending',
            formattedRequestedAt: expect.any(String),
            statusLabel: expect.any(String),
          },
        ],
      });
    });

    it('should handle empty sponsorship requests', () => {
      const leagueSponsorshipsApiDto: LeagueSponsorshipsApiDto = {
        leagueId: 'league-456',
        league: {
          id: 'league-456',
          name: 'Test League',
        },
        sponsorshipSlots: [
          {
            id: 'slot-1',
            name: 'Primary Sponsor',
            price: 1000,
            status: 'available',
          },
        ],
        sponsorshipRequests: [],
      };

      const result = LeagueSponsorshipsViewDataBuilder.build(leagueSponsorshipsApiDto);

      expect(result.sponsorshipRequests).toHaveLength(0);
    });

    it('should handle multiple sponsorship requests', () => {
      const leagueSponsorshipsApiDto: LeagueSponsorshipsApiDto = {
        leagueId: 'league-789',
        league: {
          id: 'league-789',
          name: 'Test League',
        },
        sponsorshipSlots: [],
        sponsorshipRequests: [
          {
            id: 'request-1',
            sponsorId: 'sponsor-1',
            sponsorName: 'Sponsor 1',
            sponsorLogo: 'logo-1',
            message: 'Message 1',
            requestedAt: '2024-01-01T10:00:00Z',
            status: 'pending',
          },
          {
            id: 'request-2',
            sponsorId: 'sponsor-2',
            sponsorName: 'Sponsor 2',
            sponsorLogo: 'logo-2',
            message: 'Message 2',
            requestedAt: '2024-01-02T10:00:00Z',
            status: 'approved',
          },
        ],
      };

      const result = LeagueSponsorshipsViewDataBuilder.build(leagueSponsorshipsApiDto);

      expect(result.sponsorshipRequests).toHaveLength(2);
    });
  });

  describe('data transformation', () => {
    it('should preserve all DTO fields in the output', () => {
      const leagueSponsorshipsApiDto: LeagueSponsorshipsApiDto = {
        leagueId: 'league-101',
        league: {
          id: 'league-101',
          name: 'Test League',
        },
        sponsorshipSlots: [
          {
            id: 'slot-1',
            name: 'Primary Sponsor',
            price: 1000,
            status: 'available',
          },
        ],
        sponsorshipRequests: [
          {
            id: 'request-1',
            sponsorId: 'sponsor-1',
            sponsorName: 'Test Sponsor',
            sponsorLogo: 'logo-url',
            message: 'Test message',
            requestedAt: '2024-01-01T10:00:00Z',
            status: 'pending',
          },
        ],
      };

      const result = LeagueSponsorshipsViewDataBuilder.build(leagueSponsorshipsApiDto);

      expect(result.leagueId).toBe(leagueSponsorshipsApiDto.leagueId);
      expect(result.league).toEqual(leagueSponsorshipsApiDto.league);
      expect(result.sponsorshipSlots).toEqual(leagueSponsorshipsApiDto.sponsorshipSlots);
    });

    it('should not modify the input DTO', () => {
      const leagueSponsorshipsApiDto: LeagueSponsorshipsApiDto = {
        leagueId: 'league-102',
        league: {
          id: 'league-102',
          name: 'Test League',
        },
        sponsorshipSlots: [],
        sponsorshipRequests: [],
      };

      const originalDto = { ...leagueSponsorshipsApiDto };
      LeagueSponsorshipsViewDataBuilder.build(leagueSponsorshipsApiDto);

      expect(leagueSponsorshipsApiDto).toEqual(originalDto);
    });
  });

  describe('edge cases', () => {
    it('should handle requests without sponsor logo', () => {
      const leagueSponsorshipsApiDto: LeagueSponsorshipsApiDto = {
        leagueId: 'league-103',
        league: {
          id: 'league-103',
          name: 'Test League',
        },
        sponsorshipSlots: [],
        sponsorshipRequests: [
          {
            id: 'request-1',
            sponsorId: 'sponsor-1',
            sponsorName: 'Test Sponsor',
            sponsorLogo: null,
            message: 'Test message',
            requestedAt: '2024-01-01T10:00:00Z',
            status: 'pending',
          },
        ],
      };

      const result = LeagueSponsorshipsViewDataBuilder.build(leagueSponsorshipsApiDto);

      expect(result.sponsorshipRequests[0].sponsorLogoUrl).toBeNull();
    });

    it('should handle requests without message', () => {
      const leagueSponsorshipsApiDto: LeagueSponsorshipsApiDto = {
        leagueId: 'league-104',
        league: {
          id: 'league-104',
          name: 'Test League',
        },
        sponsorshipSlots: [],
        sponsorshipRequests: [
          {
            id: 'request-1',
            sponsorId: 'sponsor-1',
            sponsorName: 'Test Sponsor',
            sponsorLogo: 'logo-url',
            message: null,
            requestedAt: '2024-01-01T10:00:00Z',
            status: 'pending',
          },
        ],
      };

      const result = LeagueSponsorshipsViewDataBuilder.build(leagueSponsorshipsApiDto);

      expect(result.sponsorshipRequests[0].message).toBeNull();
    });
  });
});