import { describe, it, expect } from 'vitest';
import { SponsorshipRequestsPageViewDataBuilder } from './SponsorshipRequestsPageViewDataBuilder';
import type { GetPendingSponsorshipRequestsOutputDTO } from '@/lib/types/generated/GetPendingSponsorshipRequestsOutputDTO';

describe('SponsorshipRequestsPageViewDataBuilder', () => {
  describe('happy paths', () => {
    it('should transform GetPendingSponsorshipRequestsOutputDTO to SponsorshipRequestsViewData correctly', () => {
      const sponsorshipRequestsPageDto: GetPendingSponsorshipRequestsOutputDTO = {
        entityType: 'driver',
        entityId: 'driver-123',
        requests: [
          {
            id: 'request-1',
            sponsorId: 'sponsor-1',
            sponsorName: 'Test Sponsor',
            sponsorLogo: 'logo-url',
            message: 'Test message',
            createdAt: '2024-01-01T10:00:00Z',
          },
        ],
      };

      const result = SponsorshipRequestsPageViewDataBuilder.build(sponsorshipRequestsPageDto);

      expect(result).toEqual({
        sections: [
          {
            entityType: 'driver',
            entityId: 'driver-123',
            entityName: 'driver',
            requests: [
              {
                id: 'request-1',
                sponsorId: 'sponsor-1',
                sponsorName: 'Test Sponsor',
                sponsorLogoUrl: 'logo-url',
                message: 'Test message',
                createdAtIso: '2024-01-01T10:00:00Z',
              },
            ],
          },
        ],
      });
    });

    it('should handle empty requests', () => {
      const sponsorshipRequestsPageDto: GetPendingSponsorshipRequestsOutputDTO = {
        entityType: 'team',
        entityId: 'team-456',
        requests: [],
      };

      const result = SponsorshipRequestsPageViewDataBuilder.build(sponsorshipRequestsPageDto);

      expect(result.sections).toHaveLength(1);
      expect(result.sections[0].requests).toHaveLength(0);
    });

    it('should handle multiple requests', () => {
      const sponsorshipRequestsPageDto: GetPendingSponsorshipRequestsOutputDTO = {
        entityType: 'season',
        entityId: 'season-789',
        requests: [
          {
            id: 'request-1',
            sponsorId: 'sponsor-1',
            sponsorName: 'Sponsor 1',
            sponsorLogo: 'logo-1',
            message: 'Message 1',
            createdAt: '2024-01-01T10:00:00Z',
          },
          {
            id: 'request-2',
            sponsorId: 'sponsor-2',
            sponsorName: 'Sponsor 2',
            sponsorLogo: 'logo-2',
            message: 'Message 2',
            createdAt: '2024-01-02T10:00:00Z',
          },
        ],
      };

      const result = SponsorshipRequestsPageViewDataBuilder.build(sponsorshipRequestsPageDto);

      expect(result.sections[0].requests).toHaveLength(2);
    });
  });

  describe('data transformation', () => {
    it('should preserve all DTO fields in the output', () => {
      const sponsorshipRequestsPageDto: GetPendingSponsorshipRequestsOutputDTO = {
        entityType: 'driver',
        entityId: 'driver-101',
        requests: [
          {
            id: 'request-1',
            sponsorId: 'sponsor-1',
            sponsorName: 'Test Sponsor',
            sponsorLogo: 'logo-url',
            message: 'Test message',
            createdAt: '2024-01-01T10:00:00Z',
          },
        ],
      };

      const result = SponsorshipRequestsPageViewDataBuilder.build(sponsorshipRequestsPageDto);

      expect(result.sections[0].entityType).toBe(sponsorshipRequestsPageDto.entityType);
      expect(result.sections[0].entityId).toBe(sponsorshipRequestsPageDto.entityId);
      expect(result.sections[0].requests[0].id).toBe(sponsorshipRequestsPageDto.requests[0].id);
      expect(result.sections[0].requests[0].sponsorId).toBe(sponsorshipRequestsPageDto.requests[0].sponsorId);
      expect(result.sections[0].requests[0].sponsorName).toBe(sponsorshipRequestsPageDto.requests[0].sponsorName);
      expect(result.sections[0].requests[0].sponsorLogoUrl).toBe(sponsorshipRequestsPageDto.requests[0].sponsorLogo);
      expect(result.sections[0].requests[0].message).toBe(sponsorshipRequestsPageDto.requests[0].message);
      expect(result.sections[0].requests[0].createdAtIso).toBe(sponsorshipRequestsPageDto.requests[0].createdAt);
    });

    it('should not modify the input DTO', () => {
      const sponsorshipRequestsPageDto: GetPendingSponsorshipRequestsOutputDTO = {
        entityType: 'team',
        entityId: 'team-102',
        requests: [],
      };

      const originalDto = { ...sponsorshipRequestsPageDto };
      SponsorshipRequestsPageViewDataBuilder.build(sponsorshipRequestsPageDto);

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

  describe('edge cases', () => {
    it('should handle requests without sponsor logo', () => {
      const sponsorshipRequestsPageDto: GetPendingSponsorshipRequestsOutputDTO = {
        entityType: 'driver',
        entityId: 'driver-103',
        requests: [
          {
            id: 'request-1',
            sponsorId: 'sponsor-1',
            sponsorName: 'Test Sponsor',
            sponsorLogo: null,
            message: 'Test message',
            createdAt: '2024-01-01T10:00:00Z',
          },
        ],
      };

      const result = SponsorshipRequestsPageViewDataBuilder.build(sponsorshipRequestsPageDto);

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

    it('should handle requests without message', () => {
      const sponsorshipRequestsPageDto: GetPendingSponsorshipRequestsOutputDTO = {
        entityType: 'driver',
        entityId: 'driver-104',
        requests: [
          {
            id: 'request-1',
            sponsorId: 'sponsor-1',
            sponsorName: 'Test Sponsor',
            sponsorLogo: 'logo-url',
            message: null,
            createdAt: '2024-01-01T10:00:00Z',
          },
        ],
      };

      const result = SponsorshipRequestsPageViewDataBuilder.build(sponsorshipRequestsPageDto);

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

    it('should handle different entity types', () => {
      const sponsorshipRequestsPageDto: GetPendingSponsorshipRequestsOutputDTO = {
        entityType: 'team',
        entityId: 'team-105',
        requests: [],
      };

      const result = SponsorshipRequestsPageViewDataBuilder.build(sponsorshipRequestsPageDto);

      expect(result.sections[0].entityType).toBe('team');
    });

    it('should handle entity name for driver type', () => {
      const sponsorshipRequestsPageDto: GetPendingSponsorshipRequestsOutputDTO = {
        entityType: 'driver',
        entityId: 'driver-106',
        requests: [],
      };

      const result = SponsorshipRequestsPageViewDataBuilder.build(sponsorshipRequestsPageDto);

      expect(result.sections[0].entityName).toBe('driver');
    });

    it('should handle entity name for team type', () => {
      const sponsorshipRequestsPageDto: GetPendingSponsorshipRequestsOutputDTO = {
        entityType: 'team',
        entityId: 'team-107',
        requests: [],
      };

      const result = SponsorshipRequestsPageViewDataBuilder.build(sponsorshipRequestsPageDto);

      expect(result.sections[0].entityName).toBe('team');
    });

    it('should handle entity name for season type', () => {
      const sponsorshipRequestsPageDto: GetPendingSponsorshipRequestsOutputDTO = {
        entityType: 'season',
        entityId: 'season-108',
        requests: [],
      };

      const result = SponsorshipRequestsPageViewDataBuilder.build(sponsorshipRequestsPageDto);

      expect(result.sections[0].entityName).toBe('season');
    });
  });
});