/**
 * @jest-environment node
 */

import { GET } from '../apks/route';
import { getApks } from '@/lib/fs-utils';
import { parseApkFilename } from '@/lib/apk-parser';

jest.mock('@/lib/fs-utils');
jest.mock('@/lib/apk-parser');

describe('/api/apks', () => {
  beforeEach(() => {
    jest.clearAllMocks();
  });

  it('should return APKs with environment metadata', async () => {
    const mockApks = [
      {
        name: 'ft_timeshift_0_42_57ef3a60d.apk',
        size: 15728640,
        modifiedAt: new Date('2026-03-04T14:30:00Z'),
      },
      {
        name: 'ft_0_42_ff9ff3441.apk',
        size: 15728640,
        modifiedAt: new Date('2026-03-04T14:30:00Z'),
      },
    ];

    (getApks as jest.Mock).mockResolvedValue(mockApks);
    (parseApkFilename as jest.Mock)
      .mockReturnValueOnce({ environment: 'dev', commit: '57ef3a60d', isValid: true })
      .mockReturnValueOnce({ environment: 'product', commit: 'ff9ff3441', isValid: true });

    const request = new Request('http://localhost:3000/api/apks?project=FT&version=0_42');
    const response = await GET(request);
    const data = await response.json();

    expect(response.status).toBe(200);
    expect(data).toHaveLength(2);
    expect(data[0]).toMatchObject({
      name: 'ft_timeshift_0_42_57ef3a60d.apk',
      environment: 'dev',
      commit: '57ef3a60d',
    });
    expect(data[1]).toMatchObject({
      name: 'ft_0_42_ff9ff3441.apk',
      environment: 'product',
      commit: 'ff9ff3441',
    });
  });

  it('should require project and version parameters', async () => {
    const request = new Request('http://localhost:3000/api/apks');
    const response = await GET(request);
    const data = await response.json();

    expect(response.status).toBe(400);
    expect(data.error).toBe('Project and version parameters are required');
  });

  it('should handle errors gracefully', async () => {
    (getApks as jest.Mock).mockRejectedValue(new Error('File system error'));

    const request = new Request('http://localhost:3000/api/apks?project=FT&version=0_42');
    const response = await GET(request);
    const data = await response.json();

    expect(response.status).toBe(500);
    expect(data.error).toBe('Failed to fetch APK files');
  });

  it('should filter APKs by commitId parameter', async () => {
    const mockApks = [
      {
        name: 'ft_timeshift_0_42_57ef3a60d.apk',
        size: 15728640,
        modifiedAt: new Date('2026-03-04T14:30:00Z'),
      },
      {
        name: 'ft_0_42_ff9ff3441.apk',
        size: 15728640,
        modifiedAt: new Date('2026-03-04T14:30:00Z'),
      },
      {
        name: 'ft_0_42_abc1234.apk',
        size: 15728640,
        modifiedAt: new Date('2026-03-04T14:30:00Z'),
      },
    ];

    const filteredApks = [
      mockApks[1],
    ];

    (getApks as jest.Mock).mockImplementation((project, version, commitId) => {
      if (commitId === 'ff9ff3441') {
        return Promise.resolve(filteredApks);
      }
      return Promise.resolve(mockApks);
    });

    (parseApkFilename as jest.Mock)
      .mockReturnValue({ environment: 'product', commit: 'ff9ff3441', isValid: true });

    const request = new Request('http://localhost:3000/api/apks?project=FT&version=0_42&commit=ff9ff3441');
    const response = await GET(request);
    const data = await response.json();

    expect(response.status).toBe(200);
    expect(data).toHaveLength(1);
    expect(data[0]).toMatchObject({
      name: 'ft_0_42_ff9ff3441.apk',
      environment: 'product',
      commit: 'ff9ff3441',
    });

    expect(getApks).toHaveBeenCalledWith('FT', '0_42', 'ff9ff3441');
  });
});