import { describe, expect, test } from 'bun:test';
import { shellEscape } from './shell';

describe('shellEscape', () => {
  describe('simple paths', () => {
    test('escapes path without special characters', () => {
      expect(shellEscape('/tmp/test')).toBe("'/tmp/test'");
    });

    test('escapes absolute path', () => {
      expect(shellEscape('/usr/local/bin/celilo')).toBe("'/usr/local/bin/celilo'");
    });

    test('escapes relative path', () => {
      expect(shellEscape('./modules/homebridge')).toBe("'./modules/homebridge'");
    });

    test('escapes path with numbers', () => {
      expect(shellEscape('/tmp/test123')).toBe("'/tmp/test123'");
    });
  });

  describe('paths with spaces', () => {
    test('escapes path with single space', () => {
      expect(shellEscape('/tmp/test module')).toBe("'/tmp/test module'");
    });

    test('escapes path with multiple spaces', () => {
      expect(shellEscape('/tmp/test  module  build')).toBe("'/tmp/test  module  build'");
    });

    test('escapes macOS Application Support path', () => {
      expect(shellEscape('/Users/user/Library/Application Support/celilo')).toBe(
        "'/Users/user/Library/Application Support/celilo'",
      );
    });

    test('escapes path with leading space', () => {
      expect(shellEscape(' /tmp/test')).toBe("' /tmp/test'");
    });

    test('escapes path with trailing space', () => {
      expect(shellEscape('/tmp/test ')).toBe("'/tmp/test '");
    });
  });

  describe('paths with quotes', () => {
    test('escapes path with single quote', () => {
      expect(shellEscape("/tmp/Bob's Files")).toBe("'/tmp/Bob'\\''s Files'");
    });

    test('escapes path with double quote', () => {
      expect(shellEscape('/tmp/"quoted"')).toBe('\'/tmp/"quoted"\'');
    });

    test('escapes path with multiple single quotes', () => {
      expect(shellEscape("/tmp/Bob's Alice's Files")).toBe("'/tmp/Bob'\\''s Alice'\\''s Files'");
    });

    test('escapes path with mixed quotes', () => {
      expect(shellEscape('/tmp/Bob\'s "Files"')).toBe("'/tmp/Bob'\\''s \"Files\"'");
    });
  });

  describe('paths with special characters', () => {
    test('escapes path with dollar sign', () => {
      expect(shellEscape('/tmp/$VAR')).toBe("'/tmp/$VAR'");
    });

    test('escapes path with backtick', () => {
      expect(shellEscape('/tmp/`cmd`')).toBe("'/tmp/`cmd`'");
    });

    test('escapes path with exclamation mark', () => {
      expect(shellEscape('/tmp/test!')).toBe("'/tmp/test!'");
    });

    test('escapes path with ampersand', () => {
      expect(shellEscape('/tmp/test&bg')).toBe("'/tmp/test&bg'");
    });

    test('escapes path with pipe', () => {
      expect(shellEscape('/tmp/test|pipe')).toBe("'/tmp/test|pipe'");
    });

    test('escapes path with semicolon', () => {
      expect(shellEscape('/tmp/test;cmd')).toBe("'/tmp/test;cmd'");
    });

    test('escapes path with angle brackets', () => {
      expect(shellEscape('/tmp/<file>')).toBe("'/tmp/<file>'");
    });

    test('escapes path with parentheses', () => {
      expect(shellEscape('/tmp/(group)')).toBe("'/tmp/(group)'");
    });

    test('escapes path with brackets', () => {
      expect(shellEscape('/tmp/[test]')).toBe("'/tmp/[test]'");
    });

    test('escapes path with braces', () => {
      expect(shellEscape('/tmp/{a,b}')).toBe("'/tmp/{a,b}'");
    });

    test('escapes path with asterisk', () => {
      expect(shellEscape('/tmp/*')).toBe("'/tmp/*'");
    });

    test('escapes path with question mark', () => {
      expect(shellEscape('/tmp/test?')).toBe("'/tmp/test?'");
    });

    test('escapes path with tilde', () => {
      expect(shellEscape('~/Documents')).toBe("'~/Documents'");
    });

    test('escapes path with hash', () => {
      expect(shellEscape('/tmp/#comment')).toBe("'/tmp/#comment'");
    });

    test('escapes path with backslash', () => {
      expect(shellEscape('/tmp\\test')).toBe("'/tmp\\test'");
    });
  });

  describe('edge cases', () => {
    test('throws on empty string', () => {
      expect(() => shellEscape('')).toThrow('Cannot escape empty or null path');
    });

    test('escapes path with only spaces', () => {
      expect(shellEscape('   ')).toBe("'   '");
    });

    test('escapes path with newline', () => {
      expect(shellEscape('/tmp/test\nline')).toBe("'/tmp/test\nline'");
    });

    test('escapes path with tab', () => {
      expect(shellEscape('/tmp/test\tfile')).toBe("'/tmp/test\tfile'");
    });

    test('escapes unicode characters', () => {
      expect(shellEscape('/tmp/test™')).toBe("'/tmp/test™'");
    });

    test('escapes emoji in path', () => {
      expect(shellEscape('/tmp/test-😀-file')).toBe("'/tmp/test-😀-file'");
    });
  });

  describe('real-world examples', () => {
    test('escapes typical module path with spaces', () => {
      const path = '/Users/user/Library/Application Support/celilo/modules/test module';
      expect(shellEscape(path)).toBe(
        "'/Users/user/Library/Application Support/celilo/modules/test module'",
      );
    });

    test('escapes build directory with spaces', () => {
      const path = '/tmp/celilo modules/caddy/build';
      expect(shellEscape(path)).toBe("'/tmp/celilo modules/caddy/build'");
    });

    test('escapes Windows-style path (if encountered)', () => {
      const path = 'C:\\Program Files\\Celilo';
      expect(shellEscape(path)).toBe("'C:\\Program Files\\Celilo'");
    });
  });
});

describe('usage examples', () => {
  test('example: cd command with spaces', () => {
    const modulePath = '/Users/user/Library/Application Support/celilo';
    const command = `cd ${shellEscape(modulePath)} && ls`;

    expect(command).toBe("cd '/Users/user/Library/Application Support/celilo' && ls");
  });

  test('example: cp command with multiple paths', () => {
    const source = '/tmp/test module';
    const dest = '/dest/final location';
    const command = `cp ${shellEscape(source)} ${shellEscape(dest)}`;

    expect(command).toBe("cp '/tmp/test module' '/dest/final location'");
  });

  test('example: tar command with quoted filename', () => {
    const filename = 'backup-2024.tar.gz';
    const directory = '/Users/user/My Documents';
    const command = `tar -czf ${shellEscape(filename)} -C ${shellEscape(directory)} .`;

    expect(command).toBe("tar -czf 'backup-2024.tar.gz' -C '/Users/user/My Documents' .");
  });

  test('example: handling path with single quote', () => {
    const path = "/Users/Bob's MacBook/Documents";
    const command = `ls ${shellEscape(path)}`;

    expect(command).toBe("ls '/Users/Bob'\\''s MacBook/Documents'");
  });
});