import assert from 'node:assert/strict';
import { mkdtempSync, writeFileSync, existsSync, rmSync } from 'node:fs';
import { tmpdir } from 'node:os';
import { join, resolve } from 'node:path';
import { Terminal } from './terminal.mjs';

const directory = mkdtempSync(join(tmpdir(), 'rc2-automatic-'));
const marker = join(directory, 'executed');
const script = join(directory, 'demo.rc');
const shell = resolve(process.argv[2] || 'rc2');
writeFileSync(script, `#!/usr/bin/env rc2\n/bin/touch '${marker}'\nargs {\n flag verbose -v --verbose\n option mode -m --mode (fast safe)\n positional transport (ship train)\n}\necho $mode\n`, { mode: 0o700 });
const terminal = new Terminal(shell);
try {
    await terminal.expect('% ');
    terminal.send(`${script} -vmfa\t`);
    await terminal.expect('-vmfast ');
    terminal.send('\x03');
    await terminal.expect('^C\r\n% ');
    terminal.send(`${script} -- tr\t`);
    await terminal.expect('-- train ');
    terminal.send('\x03');
    await terminal.expect('^C\r\n% ');
    terminal.send(`rc2 ${script} --mode=sa\t`);
    await terminal.expect("'--mode=safe' ");
    terminal.send('\x03');
    await terminal.expect('^C\r\n% ');
    assert.equal(existsSync(marker), false, 'Completion executed the target script');
} finally {
    await terminal.close();
    rmSync(directory, { recursive: true, force: true });
}
console.log('Automatic completion tests passed');