import path from 'node:path';

describe('isDevMode logic', () => {
  const scenarios: ReadonlyArray<{
    description: string;
    expected: boolean;
    mockPath: string;
  }> = [
    {
      description: 'returns true in dev mode (src/generate)',
      expected: true,
      mockPath: ['', 'home', 'user', 'packages', 'openapi-python', 'src', 'generate'].join(
        path.sep,
      ),
    },
    {
      description: 'returns false in prod mode (dist/generate)',
      expected: false,
      mockPath: ['', 'home', 'user', 'packages', 'openapi-python', 'dist', 'generate'].join(
        path.sep,
      ),
    },
    {
      description: 'returns false when path contains /src/ but not in correct position',
      expected: false,
      mockPath: [
        '',
        'home',
        'user',
        'src',
        'project',
        'node_modules',
        '@hey-api',
        'openapi-python',
        'dist',
        'generate',
      ].join(path.sep),
    },
    {
      description: 'returns false when src is in project path (pnpm case from issue)',
      expected: false,
      mockPath: [
        '',
        'home',
        'user',
        'src',
        'thcdb',
        'worktree',
        'schema-gen',
        'web',
        'node_modules',
        '.pnpm',
        '@hey-api+openapi-python@0.91.1',
        'node_modules',
        '@hey-api',
        'openapi-python',
        'dist',
        'generate',
      ].join(path.sep),
    },
    {
      description:
        'returns false when src is in project path with plugins path (exact error from issue)',
      expected: false,
      mockPath: [
        '',
        'home',
        'user',
        'src',
        'thcdb',
        'worktree',
        'schema-gen',
        'web',
        'node_modules',
        '.pnpm',
        '@hey-api+openapi-python@0.91.1_magicast@0.5.1_typescript@5.9.3',
        'node_modules',
        '@hey-api',
        'openapi-python',
        'plugins',
        '@hey-api',
        'client-core',
        'bundle',
      ].join(path.sep),
    },
    {
      description: 'returns true only when ending with src/generate',
      expected: true,
      mockPath: [
        '',
        'home',
        'user',
        'src',
        'backup',
        'packages',
        'openapi-python',
        'src',
        'generate',
      ].join(path.sep),
    },
    {
      description: 'returns false when not ending with generate',
      expected: false,
      mockPath: ['', 'home', 'user', 'packages', 'openapi-python', 'src', 'plugins'].join(path.sep),
    },
    {
      description: 'returns false when src exists but dist is later',
      expected: false,
      mockPath: ['', 'home', 'user', 'src', 'project', 'openapi-python', 'dist', 'generate'].join(
        path.sep,
      ),
    },
  ];

  it.each(scenarios)('$description', ({ expected, mockPath }) => {
    // Test the isDevMode logic
    const normalized = mockPath.split(path.sep);
    const srcIndex = normalized.lastIndexOf('src');
    const distIndex = normalized.lastIndexOf('dist');

    const result =
      srcIndex !== -1 &&
      srcIndex > distIndex &&
      srcIndex === normalized.length - 2 &&
      normalized[srcIndex + 1] === 'generate';

    expect(result).toBe(expected);
  });
});