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

const source = fs.readFileSync('content/phplife-mail.js', 'utf8');

function extractFunction(name) {
  const markers = [`async function ${name}(`, `function ${name}(`];
  const start = markers
    .map((marker) => source.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 < source.length; i += 1) {
    const ch = source[i];
    if (ch === '(') {
      parenDepth += 1;
    } else if (ch === ')') {
      parenDepth -= 1;
      if (parenDepth === 0) {
        signatureEnded = true;
      }
    } else if (ch === '{' && signatureEnded) {
      braceStart = i;
      break;
    }
  }
  if (braceStart < 0) {
    throw new Error(`missing body for function ${name}`);
  }

  let depth = 0;
  let end = braceStart;
  let inString = null;
  let escaped = false;
  for (; end < source.length; end += 1) {
    const ch = source[end];

    if (escaped) {
      escaped = false;
      continue;
    }

    if (ch === '\\') {
      escaped = true;
      continue;
    }

    if (inString) {
      if (ch === inString) {
        inString = null;
      }
      continue;
    }

    if (ch === '"' || ch === '\'' || ch === '`') {
      inString = ch;
      continue;
    }

    if (ch === '{') depth += 1;
    if (ch === '}') {
      depth -= 1;
      if (depth === 0) {
        end += 1;
        break;
      }
    }
  }

  return source.slice(start, end);
}

test('phplife mail parser extracts code and recipient from roundcube message view', () => {
  const bundle = [
    extractFunction('normalizeText'),
    extractFunction('parseRoundcubeTimestamp'),
    extractFunction('extractVerificationCodes'),
    extractFunction('getMessageDetailsFromDocument'),
  ].join('\n');

  const api = new Function(`${bundle}
return { getMessageDetailsFromDocument, parseRoundcubeTimestamp, extractVerificationCodes };
`)();

  const selectors = {
    'h2.subject': { textContent: 'Your ChatGPT code is 866785' },
    '.headers-table .header.from': { textContent: 'noreply@tm.openai.com' },
    '.headers-table .header.to': { textContent: 'n2026041807@a4sky.com' },
    '.headers-table .header.date': { textContent: '今天 12:30' },
    '#messagebody': {
      innerText: 'Enter this temporary verification code to continue: 866785. ChatGPT Log-in Code 866785',
      textContent: 'Enter this temporary verification code to continue: 866785. ChatGPT Log-in Code 866785',
    },
  };

  const fakeDocument = {
    querySelector(selector) {
      return selectors[selector] || null;
    },
    body: {
      innerText: '',
      textContent: '',
    },
  };

  const details = api.getMessageDetailsFromDocument(fakeDocument);

  assert.equal(details.subject, 'Your ChatGPT code is 866785');
  assert.equal(details.from, 'noreply@tm.openai.com');
  assert.equal(details.to, 'n2026041807@a4sky.com');
  assert.equal(details.codes[0], '866785');
  assert.equal(Number.isFinite(details.emailTimestamp), true);
});

test('phplife mail parser can read verification code directly from list row title', () => {
  const bundle = [
    extractFunction('normalizeText'),
    extractFunction('parseRoundcubeTimestamp'),
    extractFunction('extractVerificationCodes'),
    extractFunction('getRowText'),
    extractFunction('getRowDetails'),
  ].join('\n');

  const api = new Function(`${bundle}
return { getRowDetails };
`)();

  const subjectNode = {
    getAttribute(name) {
      return name === 'title' ? 'Your ChatGPT code is 866785' : '';
    },
    textContent: 'fallback subject',
  };
  const fromNode = { getAttribute() { return ''; }, textContent: 'noreply@tm.openai.com' };
  const toNode = { getAttribute() { return ''; }, textContent: 'n2026041807@a4sky.com' };
  const dateNode = { getAttribute() { return ''; }, textContent: '今天 12:30' };

  const fakeRow = {
    querySelector(selector) {
      if (selector === 'td.subject') return subjectNode;
      if (selector === 'td.fromto') return fromNode;
      if (selector === 'td.to') return toNode;
      if (selector === 'td.date') return dateNode;
      return null;
    },
    textContent: 'Your ChatGPT code is 866785 noreply@tm.openai.com n2026041807@a4sky.com 今天 12:30',
  };

  const details = api.getRowDetails(fakeRow);

  assert.equal(details.subject, 'Your ChatGPT code is 866785');
  assert.equal(details.codes[0], '866785');
});

test('phplife refreshMessageList clicks inbox before refresh button', async () => {
  const bundle = [
    extractFunction('ensureInboxActive'),
    extractFunction('refreshMessageList'),
  ].join('\n');

  const api = new Function(`${bundle}
const clickOrder = [];
const inboxLink = {
  closest() {
    return { classList: { contains() { return true; } } };
  },
  click() {
    clickOrder.push('inbox');
  },
};
const refreshButton = {
  click() {
    clickOrder.push('refresh');
  },
};
function findInboxLink() {
  return inboxLink;
}
function findRefreshButton() {
  return refreshButton;
}
async function sleep() {}
return {
  refreshMessageList,
  getClickOrder() {
    return clickOrder.slice();
  },
};
`)();

  await api.refreshMessageList();
  assert.deepEqual(api.getClickOrder(), ['inbox', 'refresh']);
});

test('phplife temporary login title opens detail to extract verification code', async () => {
  const bundle = [
    extractFunction('normalizeText'),
    extractFunction('normalizeMinuteTimestamp'),
    extractFunction('shouldOpenRowForCodeDetection'),
    extractFunction('selectCandidateCode'),
    extractFunction('matchesCurrentMessage'),
    extractFunction('scoreRowCandidate'),
    extractFunction('tryOpenRowsAndRead'),
  ].join('\n');

  const api = new Function(`${bundle}
let opened = 0;
const seenCodes = new Set();
function throwIfStopped() {}
function getMessageListRows() {
  return [{ id: 'row-1' }];
}
function getRowDetails() {
  return {
    row: { id: 'row-1' },
    subject: 'Your temporary ChatGPT login code',
    from: 'noreply@tm.openai.com',
    to: 'n2026041807@a4sky.com',
    dateText: '今天 12:30',
    emailTimestamp: Date.now(),
    codes: [],
    combinedText: 'Your temporary ChatGPT login code noreply@tm.openai.com n2026041807@a4sky.com',
  };
}
function matchesMailFilters() {
  return true;
}
function getTargetEmailMatchState() {
  return { matches: true, hasExplicitEmail: true };
}
function log() {}
function getCurrentMessageUid() {
  return '';
}
function openMessageRow() {
  opened += 1;
}
async function sleep() {}
async function waitForPreviewLoaded() {
  return {
    subject: 'Your temporary ChatGPT login code',
    combinedText: 'Your temporary ChatGPT login code 998877 noreply@tm.openai.com n2026041807@a4sky.com',
    emailTimestamp: Date.now(),
    codes: ['998877'],
  };
}
return {
  tryOpenRowsAndRead,
  getOpenedCount() {
    return opened;
  },
};
`)();

  const result = await api.tryOpenRowsAndRead(4, {
    senderFilters: ['openai'],
    subjectFilters: ['login', 'code'],
    targetEmail: 'n2026041807@a4sky.com',
  }, new Set(), 0);

  assert.equal(result.code, '998877');
  assert.equal(api.getOpenedCount(), 1);
});

test('phplife Chinese temporary login title also opens detail to extract verification code', async () => {
  const bundle = [
    extractFunction('normalizeText'),
    extractFunction('normalizeMinuteTimestamp'),
    extractFunction('shouldOpenRowForCodeDetection'),
    extractFunction('selectCandidateCode'),
    extractFunction('matchesCurrentMessage'),
    extractFunction('scoreRowCandidate'),
    extractFunction('tryOpenRowsAndRead'),
  ].join('\n');

  const api = new Function(`${bundle}
let opened = 0;
const seenCodes = new Set();
function throwIfStopped() {}
function getMessageListRows() {
  return [{ id: 'row-1' }];
}
function getRowDetails() {
  return {
    row: { id: 'row-1' },
    subject: '你的临时 ChatGPT 登录代码',
    from: 'noreply@tm.openai.com',
    to: 'n2026041807@a4sky.com',
    dateText: '今天 12:30',
    emailTimestamp: Date.now(),
    codes: [],
    combinedText: '你的临时 ChatGPT 登录代码 noreply@tm.openai.com n2026041807@a4sky.com',
  };
}
function matchesMailFilters() {
  return true;
}
function getTargetEmailMatchState() {
  return { matches: true, hasExplicitEmail: true };
}
function log() {}
function getCurrentMessageUid() {
  return '';
}
function openMessageRow() {
  opened += 1;
}
async function sleep() {}
async function waitForPreviewLoaded() {
  return {
    subject: '你的临时 ChatGPT 登录代码',
    combinedText: '你的临时 ChatGPT 登录代码 112233 noreply@tm.openai.com n2026041807@a4sky.com',
    emailTimestamp: Date.now(),
    codes: ['112233'],
  };
}
return {
  tryOpenRowsAndRead,
  getOpenedCount() {
    return opened;
  },
};
`)();

  const result = await api.tryOpenRowsAndRead(4, {
    senderFilters: ['openai'],
    subjectFilters: ['login', 'code', '登录', '代码'],
    targetEmail: 'n2026041807@a4sky.com',
  }, new Set(), 0);

  assert.equal(result.code, '112233');
  assert.equal(api.getOpenedCount(), 1);
});

test('phplife remote payload parser extracts target mailbox verification code directly from refresh API payload', () => {
  const bundle = [
    extractFunction('normalizeText'),
    extractFunction('parseRoundcubeTimestamp'),
    extractFunction('extractVerificationCodes'),
    extractFunction('extractEmails'),
    extractFunction('collectPayloadStringFragments'),
    extractFunction('extractRemoteExecText'),
    extractFunction('readBalancedJsonObject'),
    extractFunction('parseRemoteMessageRowEntries'),
    extractFunction('extractRemotePayloadFragments'),
    extractFunction('getTargetEmailMatchState'),
    extractFunction('matchesMailFilters'),
    extractFunction('normalizeFragmentText'),
    extractFunction('buildRemoteRowDetails'),
    extractFunction('findExactTargetRemoteRows'),
    extractFunction('scoreRowCandidate'),
    extractFunction('normalizeMinuteTimestamp'),
    extractFunction('matchesCurrentMessage'),
    extractFunction('shouldOpenRowForCodeDetection'),
    extractFunction('scoreRemotePayloadCandidate'),
    extractFunction('selectCandidateCode'),
    extractFunction('findVerificationCodeFromRemotePayload'),
  ].join('\n');

  const api = new Function(`${bundle}
const seenCodes = new Set();
class DOMParser {
  parseFromString(text) {
    return {
      body: { textContent: String(text || '').replace(/<[^>]+>/g, ' ') },
      documentElement: { textContent: String(text || '').replace(/<[^>]+>/g, ' ') },
    };
  }
}
return { findVerificationCodeFromRemotePayload };
`)();

  const payload = JSON.stringify({
    exec: [
      "<tr><td class='subject' title='Your ChatGPT code is 445566'>Your ChatGPT code is 445566</td><td class='to'>n20260419170738@a4sky.com</td></tr>",
    ],
  });

  const result = api.findVerificationCodeFromRemotePayload(payload, {
    senderFilters: ['openai'],
    subjectFilters: ['code', 'verification', '验证码'],
    targetEmail: 'n20260419170738@a4sky.com',
  }, new Set(), 0);

  assert.equal(result.code, '445566');
});

test('phplife remote payload parser ignores codes for other mailbox addresses', () => {
  const bundle = [
    extractFunction('normalizeText'),
    extractFunction('parseRoundcubeTimestamp'),
    extractFunction('extractVerificationCodes'),
    extractFunction('extractEmails'),
    extractFunction('collectPayloadStringFragments'),
    extractFunction('extractRemoteExecText'),
    extractFunction('readBalancedJsonObject'),
    extractFunction('parseRemoteMessageRowEntries'),
    extractFunction('extractRemotePayloadFragments'),
    extractFunction('getTargetEmailMatchState'),
    extractFunction('matchesMailFilters'),
    extractFunction('normalizeFragmentText'),
    extractFunction('buildRemoteRowDetails'),
    extractFunction('findExactTargetRemoteRows'),
    extractFunction('scoreRowCandidate'),
    extractFunction('normalizeMinuteTimestamp'),
    extractFunction('matchesCurrentMessage'),
    extractFunction('shouldOpenRowForCodeDetection'),
    extractFunction('scoreRemotePayloadCandidate'),
    extractFunction('selectCandidateCode'),
    extractFunction('findVerificationCodeFromRemotePayload'),
  ].join('\n');

  const api = new Function(`${bundle}
const seenCodes = new Set();
class DOMParser {
  parseFromString(text) {
    return {
      body: { textContent: String(text || '').replace(/<[^>]+>/g, ' ') },
      documentElement: { textContent: String(text || '').replace(/<[^>]+>/g, ' ') },
    };
  }
}
return { findVerificationCodeFromRemotePayload };
`)();

  const payload = JSON.stringify({
    exec: [
      "<tr><td class='subject'>Your ChatGPT code is 111111</td><td class='to'>other@a4sky.com</td></tr>",
      "<tr><td class='subject'>Your ChatGPT code is 222222</td><td class='to'>target@a4sky.com</td></tr>",
    ],
  });

  const result = api.findVerificationCodeFromRemotePayload(payload, {
    senderFilters: ['openai'],
    subjectFilters: ['code', 'verification', '验证码'],
    targetEmail: 'target@a4sky.com',
  }, new Set(), 0);

  assert.equal(result.code, '222222');
});

test('phplife remote payload parser does not fall back to other mailbox rows when target mailbox rows exist without direct code', () => {
  const bundle = [
    extractFunction('normalizeText'),
    extractFunction('parseRoundcubeTimestamp'),
    extractFunction('extractVerificationCodes'),
    extractFunction('extractEmails'),
    extractFunction('collectPayloadStringFragments'),
    extractFunction('extractRemoteExecText'),
    extractFunction('readBalancedJsonObject'),
    extractFunction('parseRemoteMessageRowEntries'),
    extractFunction('extractRemotePayloadFragments'),
    extractFunction('getTargetEmailMatchState'),
    extractFunction('matchesMailFilters'),
    extractFunction('normalizeFragmentText'),
    extractFunction('buildRemoteRowDetails'),
    extractFunction('findExactTargetRemoteRows'),
    extractFunction('scoreRowCandidate'),
    extractFunction('normalizeMinuteTimestamp'),
    extractFunction('matchesCurrentMessage'),
    extractFunction('shouldOpenRowForCodeDetection'),
    extractFunction('scoreRemotePayloadCandidate'),
    extractFunction('selectCandidateCode'),
    extractFunction('findVerificationCodeFromRemotePayload'),
  ].join('\n');

  const api = new Function(`${bundle}
const seenCodes = new Set();
class DOMParser {
  parseFromString(text) {
    return {
      body: { textContent: String(text || '').replace(/<[^>]+>/g, ' ') },
      documentElement: { textContent: String(text || '').replace(/<[^>]+>/g, ' ') },
    };
  }
}
return { findVerificationCodeFromRemotePayload };
`)();

  const payload = JSON.stringify({
    exec: [
      "this.add_message_row(900,{\"subject\":\"Your temporary ChatGPT login code\",\"fromto\":\"<span title=\\\"otp@tm1.openai.com\\\">OpenAI<\\/span>\",\"date\":\"今天 18:24\",\"to\":\"<span title=\\\"target@a4sky.com\\\">target@a4sky.com<\\/span>\"},{\"ctype\":\"text/html\",\"mbox\":\"INBOX\"},false);",
      "this.add_message_row(899,{\"subject\":\"Your ChatGPT code is 999999\",\"fromto\":\"<span title=\\\"otp@tm1.openai.com\\\">OpenAI<\\/span>\",\"date\":\"今天 18:24\",\"to\":\"<span title=\\\"other@a4sky.com\\\">other@a4sky.com<\\/span>\"},{\"ctype\":\"text/html\",\"mbox\":\"INBOX\"},false);",
    ],
  });

  const result = api.findVerificationCodeFromRemotePayload(payload, {
    senderFilters: ['openai'],
    subjectFilters: ['code', 'verification', '验证码'],
    targetEmail: 'target@a4sky.com',
  }, new Set(), 0);

  assert.equal(result, null);
});

test('phplife tryReadRemoteMessageList prefers search payload scoped to target mailbox', async () => {
  const bundle = [
    extractFunction('normalizeText'),
    extractFunction('parseRoundcubeTimestamp'),
    extractFunction('extractVerificationCodes'),
    extractFunction('extractEmails'),
    extractFunction('collectPayloadStringFragments'),
    extractFunction('extractRemoteExecText'),
    extractFunction('readBalancedJsonObject'),
    extractFunction('parseRemoteMessageRowEntries'),
    extractFunction('extractRemotePayloadFragments'),
    extractFunction('getTargetEmailMatchState'),
    extractFunction('matchesMailFilters'),
    extractFunction('normalizeFragmentText'),
    extractFunction('buildRemoteRowDetails'),
    extractFunction('findExactTargetRemoteRows'),
    extractFunction('scoreRowCandidate'),
    extractFunction('normalizeMinuteTimestamp'),
    extractFunction('matchesCurrentMessage'),
    extractFunction('shouldOpenRowForCodeDetection'),
    extractFunction('scoreRemotePayloadCandidate'),
    extractFunction('selectCandidateCode'),
    extractFunction('findVerificationCodeFromRemotePayload'),
    extractFunction('tryReadRemoteMessageList'),
  ].join('\n');

  const api = new Function(`${bundle}
const PHPLIFE_MAIL_PREFIX = '[MultiPage:mail-phplife]';
function log() {}
const seenCodes = new Set();
class DOMParser {
  parseFromString(text) {
    return {
      body: { textContent: String(text || '').replace(/<[^>]+>/g, ' ') },
      documentElement: { textContent: String(text || '').replace(/<[^>]+>/g, ' ') },
    };
  }
}
async function requestRemoteMessageSearch() {
  const row = {
    subject: '你的 ChatGPT 代码为 991895',
    fromto: '<span title="otp@tm1.openai.com">OpenAI</span>',
    date: '今天 18:56',
    to: '<span title="n20260419185525@a4sky.com">n20260419185525@a4sky.com</span>',
  };
  const meta = {
    ctype: 'text/html',
    mbox: 'INBOX',
  };
  return JSON.stringify({
    exec: [
      'this.add_message_row(524,' + JSON.stringify(row) + ',' + JSON.stringify(meta) + ',false);'
    ],
  });
}
async function requestRemoteMessageList() {
  throw new Error('list api should not be needed when search already matched');
}
return { tryReadRemoteMessageList };
`)();

  const result = await api.tryReadRemoteMessageList(4, {
    senderFilters: ['openai'],
    subjectFilters: ['code', 'verification', '验证码'],
    targetEmail: 'n20260419185525@a4sky.com',
    filterAfterTimestamp: 0,
  }, new Set());

  assert.equal(result.code, '991895');
});