import { expect, tap } from '@git.zone/tstest/tapbundle';
import * as smartshell from '../ts/index.js';

tap.test('execSpawn should execute commands with args array (shell:false)', async () => {
  const testSmartshell = new smartshell.Smartshell({
    executor: 'bash',
    sourceFilePaths: [],
  });
  
  // Test basic command with args
  const result = await testSmartshell.execSpawn('echo', ['Hello', 'World']);
  expect(result.exitCode).toEqual(0);
  expect(result.stdout).toContain('Hello World');
});

tap.test('execSpawn should handle command not found errors', async () => {
  const testSmartshell = new smartshell.Smartshell({
    executor: 'bash',
    sourceFilePaths: [],
  });
  
  let errorThrown = false;
  try {
    await testSmartshell.execSpawn('nonexistentcommand123', ['arg1']);
  } catch (error) {
    errorThrown = true;
    expect(error.code).toEqual('ENOENT');
  }
  expect(errorThrown).toBeTrue();
});

tap.test('execSpawn should properly escape arguments', async () => {
  const testSmartshell = new smartshell.Smartshell({
    executor: 'bash',
    sourceFilePaths: [],
  });
  
  // Test that shell metacharacters are treated as literals
  const result = await testSmartshell.execSpawn('echo', ['$HOME', '&&', 'ls']);
  expect(result.exitCode).toEqual(0);
  // Should output literal strings, not expanded/executed
  expect(result.stdout).toContain('$HOME && ls');
});

tap.test('execSpawn streaming should work', async () => {
  const testSmartshell = new smartshell.Smartshell({
    executor: 'bash',
    sourceFilePaths: [],
  });
  
  const streaming = await testSmartshell.execSpawnStreaming('echo', ['Streaming test']);
  const result = await streaming.finalPromise;
  expect(result.exitCode).toEqual(0);
  expect(result.stdout).toContain('Streaming test');
});

tap.test('execSpawn interactive control should work', async (tools) => {
  const testSmartshell = new smartshell.Smartshell({
    executor: 'bash',
    sourceFilePaths: [],
  });
  
  const interactive = await testSmartshell.execSpawnInteractiveControl('cat', []);
  
  await interactive.sendLine('Input line');
  interactive.endInput();
  
  const result = await interactive.finalPromise;
  expect(result.exitCode).toEqual(0);
  expect(result.stdout).toContain('Input line');
});

tap.test('execSpawn should capture stderr', async () => {
  const testSmartshell = new smartshell.Smartshell({
    executor: 'bash',
    sourceFilePaths: [],
  });
  
  // ls on non-existent directory should produce stderr
  const result = await testSmartshell.execSpawn('ls', ['/nonexistent/directory/path']);
  expect(result.exitCode).not.toEqual(0);
  expect(result.stderr).toBeTruthy();
  expect(result.stderr).toContain('No such file or directory');
});

tap.test('execSpawn with timeout should terminate process', async () => {
  const testSmartshell = new smartshell.Smartshell({
    executor: 'bash',
    sourceFilePaths: [],
  });
  
  const start = Date.now();
  const result = await testSmartshell.execSpawn('sleep', ['10'], { timeout: 100 });
  const duration = Date.now() - start;
  
  // Process should be terminated by timeout
  expect(duration).toBeLessThan(500);
  expect(result.exitCode).not.toEqual(0);
  expect(result.signal).toBeTruthy(); // Should have been killed by signal
});

tap.test('execSpawn with maxBuffer should truncate output', async () => {
  const testSmartshell = new smartshell.Smartshell({
    executor: 'bash',
    sourceFilePaths: [],
  });
  
  // Generate large output
  const result = await testSmartshell.execSpawn('bash', ['-c', 'for i in {1..1000}; do echo "Line $i with some padding text to make it longer"; done'], {
    maxBuffer: 1024, // Very small buffer
  });
  
  expect(result.exitCode).toEqual(0);
  expect(result.stdout).toContain('[Output truncated - exceeded maxBuffer]');
});

tap.test('execSpawn with onData callback should stream data', async (tools) => {
  const testSmartshell = new smartshell.Smartshell({
    executor: 'bash',
    sourceFilePaths: [],
  });
  
  let dataReceived = '';
  const result = await testSmartshell.execSpawn('echo', ['Test data'], {
    onData: (chunk) => {
      dataReceived += chunk.toString();
    }
  });
  
  expect(result.exitCode).toEqual(0);
  expect(dataReceived).toContain('Test data');
});

tap.test('execSpawn with signal should report signal in result', async () => {
  const testSmartshell = new smartshell.Smartshell({
    executor: 'bash',
    sourceFilePaths: [],
  });
  
  const streaming = await testSmartshell.execSpawnStreaming('sleep', ['10']);
  
  // Send SIGTERM after a short delay
  setTimeout(() => streaming.terminate(), 100);
  
  const result = await streaming.finalPromise;
  expect(result.exitCode).not.toEqual(0);
  expect(result.signal).toEqual('SIGTERM');
});

export default tap.start();