import { readFileSync, readdirSync } from 'node:fs';
import { fileURLToPath } from 'node:url';
import { join } from 'node:path';
import test from 'node:test';
import assert from 'node:assert/strict';

const repoRoot = fileURLToPath(new URL('..', import.meta.url));

function readRepoFile(...parts) {
  return readFileSync(join(repoRoot, ...parts), 'utf8');
}

function lineOf(content, needle) {
  const lines = content.split(/\r?\n/);
  const index = lines.findIndex((line) => line.includes(needle));
  assert.notEqual(index, -1, `missing line containing: ${needle}`);
  return lines[index];
}

// The start logic moved out of the .bat/.command into lib/start.mjs so the two
// platforms cannot drift and so user-facing text can be translated. These
// assertions moved with it — the launchers are now only expected to find node
// and hand off.
test('Start launchers are thin shells that delegate to lib/start.mjs', () => {
  for (const scriptName of ['START HERE - Windows.bat', 'START HERE - Mac.command']) {
    const script = readRepoFile('portable', scriptName);
    assert.match(script, /start\.mjs/, `${scriptName} should hand off to lib/start.mjs`);
    const lines = script.split(/\r?\n/).filter((line) => line.trim() && !line.trim().startsWith('REM') && !line.trim().startsWith('#'));
    assert.ok(
      lines.length <= 30,
      `${scriptName} should stay a thin shell, got ${lines.length} code lines`,
    );
    // Startup responsibilities that must NOT come back into a launcher script.
    for (const leaked of [/netstat/, /lsof/, /npm.{0,20}install/, /node_modules/]) {
      assert.doesNotMatch(script, leaked, `${scriptName} should not re-implement ${leaked}`);
    }
  }
});

test('portable launchers disable OpenClaw bonjour discovery', () => {
  // Windows-Menu/Install still launch OpenClaw directly, so they keep the env var.
  for (const scriptName of ['Windows-Menu.bat', 'Windows-Install.bat']) {
    const script = readRepoFile('portable', 'advanced', scriptName);
    assert.match(
      script,
      /OPENCLAW_DISABLE_BONJOUR=1/,
      `${scriptName} should disable bonjour discovery`,
    );
  }
  // The Start path now sets it in the shared launcher, for both platforms at once.
  assert.match(
    readRepoFile('portable', 'lib', 'start.mjs'),
    /OPENCLAW_DISABLE_BONJOUR\s*=\s*'1'/,
    'start.mjs should disable bonjour discovery',
  );
});

test('startup always opens Config Center on its real port', () => {
  const start = readRepoFile('portable', 'lib', 'start.mjs');

  assert.match(
    start,
    /openUrl\(`http:\/\/127\.0\.0\.1:\$\{configPort\}\/`\)/,
    'start.mjs should always open Config Center for model/channel changes',
  );
  // Mac-Start.command used to hardcode 18788 and opened a dead page whenever the
  // config server fell back to another port. The port now comes from runtime.json.
  assert.match(
    start,
    /configServerPort/,
    'the Config Center port must come from runtime.json, not a hardcoded default',
  );
  assert.doesNotMatch(
    start,
    /openUrl\(`http:\/\/127\.0\.0\.1:18788/,
    'Config Center must not be opened on a hardcoded port',
  );
});

test('gateway fallback returns users to Config Center, not the Dashboard', () => {
  // Was lib/wait-gateway.bat (Windows only). Now in start.mjs, so macOS gets it too.
  const start = readRepoFile('portable', 'lib', 'start.mjs');
  assert.match(
    start,
    /watchGatewayReady[\s\S]*openUrl\(`http:\/\/127\.0\.0\.1:\$\{configPort\}\/`\)/,
    'the fallback watcher should reopen Config Center on timeout',
  );
  const bodyStart = start.indexOf('function watchGatewayReady');
  const body = start.slice(bodyStart, start.indexOf('\n}', bodyStart));
  assert.doesNotMatch(
    body,
    /#token=/,
    'the fallback should not push users straight into the Dashboard',
  );
});

test('startup routes configured model hosts around the system proxy', () => {
  // One implementation now covers both platforms; this used to be duplicated in
  // the .bat and the .command with subtly different parsing.
  assert.match(
    readRepoFile('portable', 'lib', 'start.mjs'),
    /resolve-no-proxy\.mjs[\s\S]*UCLAW_NO_PROXY[\s\S]*process\.env\.NO_PROXY/,
    'start.mjs should set NO_PROXY from resolve-no-proxy.mjs',
  );
});

test('startup keeps the accelerators the launchers used to wire up', () => {
  const start = readRepoFile('portable', 'lib', 'start.mjs');
  for (const helper of ['portable-cache.mjs', 'prewarm.mjs', 'check-update.mjs', 'loading.html']) {
    assert.match(start, new RegExp(helper.replace('.', '\\.')), `start.mjs should still use ${helper}`);
  }
});

test('the WeChat plugin install is no longer Windows-only', () => {
  // Windows-Start.bat installed it; Mac-Start.command never did, so Mac users
  // silently had no WeChat channel. It lives in the shared launcher now.
  assert.match(
    readRepoFile('portable', 'lib', 'start.mjs'),
    /openclaw-weixin/,
    'start.mjs should install the WeChat plugin on every platform',
  );
});

test('every message key used by start.mjs exists in all catalogues', () => {
  const start = readRepoFile('portable', 'lib', 'start.mjs');
  const keys = new Set();
  for (const [, key] of start.matchAll(/\bt\(\s*'([a-z0-9_.]+)'/g)) keys.add(key);
  // bail() composes .what/.why/.action from a base key.
  for (const [, base] of start.matchAll(/bail\(t,\s*'([a-z0-9_.]+)'/g)) {
    for (const part of ['what', 'why', 'action']) keys.add(`${base}.${part}`);
  }
  assert.ok(keys.size > 0, 'expected start.mjs to reference message keys');

  for (const locale of ['en', 'zh-CN']) {
    const catalogue = JSON.parse(readRepoFile('portable', 'lib', 'messages', `${locale}.json`));
    const missing = [...keys].filter((key) => !(key in catalogue)).sort();
    assert.deepEqual(missing, [], `${locale}.json is missing keys:\n${missing.join('\n')}`);
  }
});

test('message catalogues have no untranslated leftovers', () => {
  const en = JSON.parse(readRepoFile('portable', 'lib', 'messages', 'en.json'));
  const zh = JSON.parse(readRepoFile('portable', 'lib', 'messages', 'zh-CN.json'));
  const extra = Object.keys(zh).filter((key) => !(key in en));
  assert.deepEqual(extra, [], `zh-CN.json has keys English does not: ${extra.join(', ')}`);
  // Product names and technical identifiers are the same in every language.
  // Everything else being identical means a string was copied, not translated.
  const NOT_TRANSLATED_BY_DESIGN = new Set(['start.node_version']);
  const identical = Object.keys(en).filter(
    (key) =>
      !NOT_TRANSLATED_BY_DESIGN.has(key) &&
      zh[key] === en[key] &&
      /[A-Za-z]{4,}/.test(en[key]) &&
      !/^\{/.test(en[key])
  );
  assert.deepEqual(identical, [], `zh-CN.json still holds English text for: ${identical.join(', ')}`);
});

test('customer-facing .bat launchers are pure ASCII (cmd.exe mis-parses UTF-8 Chinese on GBK Windows)', () => {
  // Non-ASCII bytes in a .bat get read as GBK by Chinese Windows cmd.exe, which
  // garbles parsing ("usebackq is not a command"). Chinese UX must live in the
  // node tools' stdout (rendered fine under chcp 65001), never in the .bat itself.
  for (const name of [
    'START HERE - Windows.bat',
    'advanced/Windows-IntranetFix.bat',
    'advanced/Windows-LocalModel.bat',
    'advanced/OpenClaw-Doctor.bat',
  ]) {
    const bytes = readFileSync(join(repoRoot, 'portable', name));
    const offending = bytes.findIndex((b) => b > 0x7f);
    assert.equal(offending, -1, `${name} has a non-ASCII byte at offset ${offending}`);
    assert.ok(bytes.includes(0x0d), `${name} must use CRLF line endings`);
  }
});

test('macOS .command launchers are LF-only (CRLF breaks #!/bin/bash on macOS)', () => {
  for (const name of [
    'START HERE - Mac.command',
    'advanced/Mac-IntranetFix.command',
    'advanced/Mac-LocalModel.command',
    'advanced/Mac-OpenClaw-Doctor.command',
  ]) {
    const bytes = readFileSync(join(repoRoot, 'portable', name));
    const cr = bytes.indexOf(0x0d);
    assert.equal(cr, -1, `${name} has a CR byte at offset ${cr} (must be LF-only)`);
    assert.ok(bytes.toString('utf8').startsWith('#!/bin/bash'), `${name} must start with a clean shebang`);
  }
});

test('macOS local-model / intranet launchers call the shared cross-platform scripts', () => {
  assert.match(readRepoFile('portable', 'advanced', 'Mac-IntranetFix.command'), /lib\/intranet-check\.mjs/);
  assert.match(readRepoFile('portable', 'advanced', 'Mac-LocalModel.command'), /lib\/setup-local-model\.mjs/);
  assert.match(readRepoFile('portable', 'advanced', 'Mac-OpenClaw-Doctor.command'), /doctor --non-interactive/);
});

test('local-model setup launcher calls setup-local-model.mjs', () => {
  const bat = readRepoFile('portable', 'advanced', 'Windows-LocalModel.bat');
  assert.match(bat, /lib\\setup-local-model\.mjs/);
});

test('OpenClaw doctor launcher is read-only (no destructive repair flags)', () => {
  const bat = readRepoFile('portable', 'advanced', 'OpenClaw-Doctor.bat');
  assert.match(bat, /OPENCLAW_MJS%" doctor --non-interactive/);
  // Must not auto-apply repairs that could overwrite user config/state.
  assert.doesNotMatch(bat, /doctor[^\n]*--fix/);
  assert.doesNotMatch(bat, /doctor[^\n]*--repair/);
  assert.doesNotMatch(bat, /doctor[^\n]*--force/);
});

// cmd.exe treats ')' as the end of an IF/FOR ( ... ) block, so an unescaped paren in
// an `echo` *inside* a block aborts parsing ("was unexpected at this time") and the
// window flash-closes. This shipped once in v2.1.10 (echo Direct-connect (NO_PROXY)).
// Track block depth structurally and flag any unescaped ( or ) in echoes inside a block.
function unescapedParenEchoesInsideBlocks(bat) {
  const offenders = [];
  let depth = 0;
  for (const raw of bat.split(/\r?\n/)) {
    const line = raw.trim();
    if (depth > 0 && /^echo\b/i.test(line)) {
      // cmd eats an unescaped ')' that sits at the END of an echo (cosmetic: the ')'
      // just disappears). The flash-exit only happens when a ')' is followed by more
      // text on the line (e.g. "(NO_PROXY): value" → ')' closes the block, ": value"
      // then errors). So: drop escaped ^), drop trailing ')'/whitespace, and flag any
      // ')' that survives (meaning it had text after it).
      let s = line.replace(/\^\)/g, '').replace(/[)\s]+$/, '');
      if (s.includes(')')) offenders.push(raw.trim());
    }
    // structural depth: ') else (' keeps depth; leading ')' closes; if/for line ending in '(' opens
    if (/^\)\s*else\b.*\($/i.test(line)) { /* same depth */ }
    else if (/^\)/.test(line)) depth = Math.max(0, depth - 1);
    if (/^\($/.test(line) || /\b(if|for)\b.*[^^]\(\s*$/i.test(line)) depth += 1;
  }
  return offenders;
}

test('Windows launchers have no unescaped parens in echoes inside IF/FOR blocks (v2.1.10 flash-exit regression)', () => {
  for (const name of [
    'START HERE - Windows.bat',
    'advanced/Windows-IntranetFix.bat',
    'advanced/Windows-LocalModel.bat',
    'advanced/OpenClaw-Doctor.bat',
    'advanced/Windows-Diagnose.bat',
    'advanced/Windows-Menu.bat',
    'advanced/Windows-Install.bat',
  ]) {
    const bat = readRepoFile('portable', name);
    const offenders = unescapedParenEchoesInsideBlocks(bat);
    assert.deepEqual(offenders, [], `${name} has unescaped parens in block echo(es): ${offenders.join(' | ')}`);
  }
});

test('PowerShell installer generated start.bat disables OpenClaw bonjour discovery', () => {
  const script = readRepoFile('install', 'install.ps1');

  assert.match(script, /\$startBat = @'/);
  assert.match(
    script,
    /set "OPENCLAW_DISABLE_BONJOUR=1"/,
    'generated start.bat should disable bonjour discovery',
  );
});

test('Electron desktop launcher disables OpenClaw bonjour discovery on Windows only', () => {
  const source = readRepoFile('u-claw-app', 'src', 'main.js');

  assert.match(
    source,
    /if\s*\(\s*process\.platform\s*===\s*['"]win32['"]\s*\)\s*{[\s\S]*?env\.OPENCLAW_DISABLE_BONJOUR\s*=\s*['"]1['"]/,
  );
  assert.doesNotMatch(
    source,
    /OPENCLAW_DISABLE_BONJOUR:\s*['"]1['"]/,
    'bonjour disable flag should not be in the unconditional env object',
  );
});

test('the drive root stays down to a handful of clickable files', () => {
  // 23 clickable files in the root was the first thing anyone saw on plugging in,
  // and they had to work out which applied to their computer before anything ran.
  const CLICKABLE = /\.(bat|command|html|ps1|sh|exe|vbs)$/i;
  const root = readdirSync(join(repoRoot, 'portable'), { withFileTypes: true })
    .filter((e) => e.isFile() && CLICKABLE.test(e.name))
    .map((e) => e.name)
    .sort();
  assert.deepEqual(
    root,
    ['Read me first.html', 'START HERE - Mac.command', 'START HERE - Windows.bat'],
    'the drive root should hold exactly the two entry points and the guide',
  );
});

test('entry-point filenames avoid characters cmd.exe treats as syntax', () => {
  // A filename with brackets breaks every echo that mentions it inside an
  // IF (...) block — the same flash-exit class as the v2.1.10 regression.
  for (const name of readdirSync(join(repoRoot, 'portable'))) {
    assert.doesNotMatch(name, /[()&^|<>]/, `${name} contains a character cmd.exe treats as syntax`);
  }
});

test('tools moved into advanced/ resolve the drive root one level up', () => {
  const dir = join(repoRoot, 'portable', 'advanced');
  for (const name of readdirSync(dir)) {
    if (!/\.(command|sh)$/.test(name)) continue;
    const body = readFileSync(join(dir, name), 'utf8');
    if (!/(UCLAW_DIR|SCRIPT_DIR)=/.test(body)) continue;
    assert.match(
      body,
      /(UCLAW_DIR|SCRIPT_DIR)="\$\(cd "\$\(dirname "\$0"\)\/\.\." && pwd\)"/,
      `${name} must resolve the drive root as one level up`,
    );
  }
  for (const name of readdirSync(dir)) {
    if (!name.endsWith('.bat')) continue;
    const body = readFileSync(join(dir, name), 'utf8');
    if (!/(UCLAW_DIR|SCRIPT_DIR)=/.test(body)) continue;
    assert.doesNotMatch(
      body,
      /set "(UCLAW_DIR|SCRIPT_DIR)=%~dp0"/,
      `${name} still treats its own folder as the drive root`,
    );
  }
});