import test from 'node:test';
import assert from 'node:assert/strict';
import fs from 'node:fs';
import os from 'node:os';
import path from 'node:path';
import { assertSafeSshHost, resolveRemoteSubminerCommand, runScp, shellQuote } from './ssh.js';

test('assertSafeSshHost rejects option-like hosts', () => {
  assert.throws(() => assertSafeSshHost('-oProxyCommand=touch pwned'), /looks like an option/);
  assert.throws(() => assertSafeSshHost('-lroot'), /looks like an option/);
});

test('assertSafeSshHost accepts normal destinations', () => {
  assert.doesNotThrow(() => assertSafeSshHost('macbook'));
  assert.doesNotThrow(() => assertSafeSshHost('user@192.168.1.20'));
  assert.doesNotThrow(() => assertSafeSshHost('ssh-alias'));
});

test('shellQuote escapes single quotes and wraps in quotes', () => {
  assert.equal(shellQuote('subminer'), `'subminer'`);
  assert.equal(shellQuote(`a'; rm -rf ~; '`), `'a'\\''; rm -rf ~; '\\'''`);
});

test('runScp rejects option-like local endpoints before spawning scp', () => {
  assert.throws(() => runScp('-oProxyCommand=sh', '/tmp/out.sqlite'), /looks like an option/);
  assert.throws(() => runScp('/tmp/in.sqlite', '-bad-destination'), /looks like an option/);
});

test('runScp rejects option-like remote host components', () => {
  assert.throws(
    () => runScp('-oProxyCommand=sh:/tmp/in.sqlite', '/tmp/out.sqlite'),
    /SSH host that looks like an option/,
  );
});

test('resolveRemoteSubminerCommand verifies the launcher under the remote runtime PATH', () => {
  const tempDir = fs.mkdtempSync(path.join(os.tmpdir(), 'subminer-ssh-test-'));
  const sshPath = path.join(tempDir, 'ssh');
  const originalPath = process.env.PATH;
  fs.writeFileSync(
    sshPath,
    `#!/bin/sh
case "$2" in
  *'$HOME/.local/bin'*'$HOME/.bun/bin'*'/opt/homebrew/bin'*'/usr/local/bin'*'/usr/bin'*'/bin'*'subminer --help'*) exit 0 ;;
  *) exit 1 ;;
esac
`,
    { mode: 0o755 },
  );

  try {
    process.env.PATH = `${tempDir}:${originalPath ?? ''}`;
    assert.equal(
      resolveRemoteSubminerCommand('macbook', null),
      'PATH="$HOME/.local/bin:$HOME/.bun/bin:/opt/homebrew/bin:/usr/local/bin:/usr/bin:/bin:$PATH" subminer',
    );
  } finally {
    process.env.PATH = originalPath;
    fs.rmSync(tempDir, { recursive: true, force: true });
  }
});