const test = require('node:test');
const assert = require('node:assert/strict');
const fs = require('node:fs');

const sidepanelSource = fs.readFileSync('sidepanel/sidepanel.js', 'utf8');

function extractFunction(name) {
  const markers = [`async function ${name}(`, `function ${name}(`];
  const start = markers
    .map((marker) => sidepanelSource.indexOf(marker))
    .find((index) => index >= 0);
  if (start < 0) {
    throw new Error(`missing function ${name}`);
  }

  let parenDepth = 0;
  let signatureEnded = false;
  let braceStart = -1;
  for (let i = start; i < sidepanelSource.length; i += 1) {
    const ch = sidepanelSource[i];
    if (ch === '(') {
      parenDepth += 1;
    } else if (ch === ')') {
      parenDepth -= 1;
      if (parenDepth === 0) {
        signatureEnded = true;
      }
    } else if (ch === '{' && signatureEnded) {
      braceStart = i;
      break;
    }
  }

  let depth = 0;
  let end = braceStart;
  for (; end < sidepanelSource.length; end += 1) {
    const ch = sidepanelSource[end];
    if (ch === '{') depth += 1;
    if (ch === '}') {
      depth -= 1;
      if (depth === 0) {
        end += 1;
        break;
      }
    }
  }

  return sidepanelSource.slice(start, end);
}

test('sidepanel html contains contribution button in header', () => {
  const html = fs.readFileSync('sidepanel/sidepanel.html', 'utf8');
  assert.match(html, /id="btn-contribution-mode"/);
  assert.match(html, />贡献</);
});

test('openContributionUploadPage confirms then opens upload page in a new tab', async () => {
  const bundle = [
    extractFunction('openContributionUploadPage'),
  ].join('\n');

  const api = new Function(`
const calls = [];
const CONTRIBUTION_UPLOAD_URL = 'https://apikey.qzz.io/';
function isContributionButtonLocked() {
  return false;
}
async function openConfirmModal(options) {
  calls.push({ type: 'confirm', options });
  return true;
}
function openExternalUrl(url) {
  calls.push({ type: 'open', url });
}
${bundle}
return {
  openContributionUploadPage,
  getCalls() {
    return calls;
  },
};
`)();

  const result = await api.openContributionUploadPage();
  assert.equal(result, true);
  assert.deepStrictEqual(api.getCalls(), [
    {
      type: 'confirm',
      options: {
        title: '账号贡献',
        message: '确认打开账号贡献上传页面吗？',
        confirmLabel: '前往上传',
        confirmVariant: 'btn-primary',
      },
    },
    {
      type: 'open',
      url: 'https://apikey.qzz.io/',
    },
  ]);
});

test('openContributionUploadPage blocks while flow is running', async () => {
  const bundle = [
    extractFunction('openContributionUploadPage'),
  ].join('\n');

  const api = new Function(`
const CONTRIBUTION_UPLOAD_URL = 'https://apikey.qzz.io/';
function isContributionButtonLocked() {
  return true;
}
async function openConfirmModal() {
  throw new Error('should not open modal');
}
function openExternalUrl() {
  throw new Error('should not open url');
}
${bundle}
return { openContributionUploadPage };
`)();

  await assert.rejects(
    () => api.openContributionUploadPage(),
    /当前流程运行中/
  );
});