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

const terminal = new Terminal(resolve(process.argv[2] || 'rc2'));
const directory = mkdtempSync(join(tmpdir(), 'rc2-display-'));
try {
    await terminal.expect('% ');
    terminal.send('\x0c');
    await terminal.expect('\x1b[2J\x1b[H\r\x1b[J% ');

    terminal.resize(12);
    terminal.send('echo abcdefghijklmnop');
    await terminal.expect('% echo abcdefghijklmnop');
    terminal.send('\x1b[D\x1b[D\x0c');
    await terminal.expect('\x1b[2J\x1b[H\r\x1b[J% echo abcdefghijklmnop');
    terminal.send('X\r');
    assert.match(await terminal.expect('\r\n% '), /\r\nabcdefghijklmnXop\r\n/);

    terminal.send('echo draft\x1b[A');
    await terminal.expect('% echo abcdefghijklmnXop');
    terminal.send('\x0c');
    await terminal.expect('\x1b[2J\x1b[H\r\x1b[J% echo abcdefghijklmnXop');
    terminal.send('\x1b[B\r');
    assert.match(await terminal.expect('\r\n% '), /\r\ndraft\r\n/);

    terminal.resize(12);
    terminal.send('echo abcdefghijklmnop');
    await terminal.expect('abcdefghijklmnop');
    terminal.send('\x1b[D\x1b[D\x7fX\r');
    assert.match(await terminal.expect('\r\n% '), /\r\nabcdefghijklmXop\r\n/);

    terminal.send('echo é👩‍👩‍👧‍👦🇺🇸');
    await terminal.expect('🇺🇸');
    terminal.send('\x0c');
    await terminal.expect('\x1b[2J\x1b[H\r\x1b[J% echo é👩‍👩‍👧‍👦🇺🇸');
    terminal.send('\x7f\x7f\x7fok\r');
    assert.match(await terminal.expect('\r\n% '), /\r\nok\r\n/);

    terminal.send('echo resize');
    await terminal.expect('resize');
    terminal.resize(7);
    terminal.send('\x1b[D\x7fX\r');
    assert.match(await terminal.expect('\r\n% '), /\r\nresiXe\r\n/);

    terminal.resize(80);
    terminal.send('fn multiline {\r');
    await terminal.expect('\r\n ');
    terminal.send('\x0c');
    await terminal.expect('\x1b[2J\x1b[H\r\x1b[J ');
    terminal.send('echo whole}\r');
    await terminal.expect('\r\n% ');
    terminal.send('\x1b[A\r');
    await terminal.expect('\r\n% ');
    assert.match(await terminal.command('multiline'), /\r\nwhole\r\n/);
    const output = [];
    terminal.process.stdout.on('data', chunk => output.push(chunk));
    writeFileSync(`${directory}/bad\u009b31m`, '');
    terminal.send(`echo ${directory}/bad\t`);
    await terminal.expect('31m');
    assert.equal(Buffer.concat(output).includes(0x9b), false, 'The editor emitted an eight-bit terminal control');
    terminal.send('\x03');
    await terminal.expect('^C\r\n% ');
} finally {
    await terminal.close();
    rmSync(directory, { recursive: true, force: true });
}
console.log('Editor tests passed');