(function attachMultiPageSourceRegistry(root, factory) {
  root.MultiPageSourceRegistry = factory();
})(typeof self !== 'undefined' ? self : globalThis, function createSourceRegistryModule() {
  const rootScope = typeof self !== 'undefined' ? self : globalThis;
  const flowRegistryApi = rootScope.MultiPageFlowRegistry || {};

  const SOURCE_ALIASES = Object.freeze({
    'signup-page': 'openai-auth',
  });

  const SHARED_SOURCE_DEFINITIONS = Object.freeze({
    'qq-mail': {
      flowId: null,
      kind: 'mail-provider',
      label: 'QQ 邮箱',
      readyPolicy: 'top-frame-only',
      family: 'qq-mail-family',
      driverId: 'content/qq-mail',
      cleanupScopes: [],
    },
    'mail-163': {
      flowId: null,
      kind: 'mail-provider',
      label: '163 邮箱',
      readyPolicy: 'top-frame-only',
      family: 'mail-163-family',
      driverId: 'content/mail-163',
      cleanupScopes: [],
    },
    'gmail-mail': {
      flowId: null,
      kind: 'mail-provider',
      label: 'Gmail 邮箱',
      readyPolicy: 'top-frame-only',
      family: 'gmail-mail-family',
      driverId: 'content/gmail-mail',
      cleanupScopes: [],
    },
    'icloud-mail': {
      flowId: null,
      kind: 'mail-provider',
      label: 'iCloud 邮箱',
      readyPolicy: 'allow-child-frame',
      family: 'icloud-mail-family',
      driverId: 'content/icloud-mail',
      cleanupScopes: [],
    },
    'inbucket-mail': {
      flowId: null,
      kind: 'mail-provider',
      label: 'Inbucket 邮箱',
      readyPolicy: 'top-frame-only',
      family: 'inbucket-mail-family',
      driverId: 'content/inbucket-mail',
      cleanupScopes: [],
    },
    'mail-2925': {
      flowId: null,
      kind: 'mail-provider',
      label: '2925 邮箱',
      readyPolicy: 'top-frame-only',
      family: 'mail-2925-family',
      driverId: 'content/mail-2925',
      cleanupScopes: [],
    },
    'duck-mail': {
      flowId: null,
      kind: 'mail-provider',
      label: 'Duck 邮箱',
      readyPolicy: 'allow-child-frame',
      family: 'duck-mail-family',
      driverId: 'content/duck-mail',
      cleanupScopes: [],
    },
    'unknown-source': {
      flowId: null,
      kind: 'unknown',
      label: '未知来源',
      readyPolicy: 'disabled',
      family: 'unknown-family',
      driverId: null,
      cleanupScopes: [],
    },
  });

  const SHARED_DRIVER_DEFINITIONS = Object.freeze({
    'content/qq-mail': {
      sourceId: 'qq-mail',
      commands: ['POLL_EMAIL'],
    },
    'content/mail-163': {
      sourceId: 'mail-163',
      commands: ['POLL_EMAIL'],
    },
    'content/gmail-mail': {
      sourceId: 'gmail-mail',
      commands: ['POLL_EMAIL'],
    },
    'content/icloud-mail': {
      sourceId: 'icloud-mail',
      commands: ['POLL_EMAIL'],
    },
    'content/mail-2925': {
      sourceId: 'mail-2925',
      commands: ['POLL_EMAIL'],
    },
    'content/duck-mail': {
      sourceId: 'duck-mail',
      commands: ['FETCH_ALIAS_EMAIL'],
    },
  });

  const CLEANUP_SCOPE_OWNERS = Object.freeze({
    'oauth-localhost-callback': 'openai-auth',
  });

  const AUTH_PAGE_HOSTS = new Set(['auth0.openai.com', 'auth.openai.com', 'accounts.openai.com']);
  const ENTRY_PAGE_HOSTS = new Set(['chatgpt.com', 'www.chatgpt.com', 'chat.openai.com']);
  const CHILD_FRAME_BLOCKED_SOURCES = new Set([
    'qq-mail',
    'mail-163',
    'gmail-mail',
    'mail-2925',
    'inbucket-mail',
    'plus-checkout',
    'kiro-register-page',
    'kiro-desktop-authorize',
  ]);

  function normalizeHostname(hostname = '') {
    return String(hostname || '').trim().toLowerCase();
  }

  function matchesNamedHostFamily(hostname = '', family = '') {
    const normalizedHost = normalizeHostname(hostname);
    const normalizedFamily = normalizeHostname(family);
    if (!normalizedHost || !normalizedFamily) {
      return false;
    }
    return normalizedHost === normalizedFamily
      || normalizedHost.endsWith(`.${normalizedFamily}`)
      || normalizedHost.startsWith(`${normalizedFamily}.`)
      || normalizedHost.includes(`.${normalizedFamily}.`);
  }

  function isKiroWebHost(hostname = '') {
    const normalized = normalizeHostname(hostname);
    return normalized === 'app.kiro.dev'
      || normalized === 'kiro.dev';
  }

  function isKiroAwsAuthHost(hostname = '') {
    const normalized = normalizeHostname(hostname);
    return normalized === 'view.awsapps.com'
      || normalized === 'login.awsapps.com'
      || matchesNamedHostFamily(normalized, 'signin.aws')
      || matchesNamedHostFamily(normalized, 'profile.aws')
      || normalized === 'amazonaws.com'
      || normalized.endsWith('.amazonaws.com');
  }

  function isKiroRegisterHost(hostname = '') {
    return isKiroWebHost(hostname) || isKiroAwsAuthHost(hostname);
  }

  function getRuntimeSourceDefinitions() {
    return {
      ...(typeof flowRegistryApi.getRuntimeSourceDefinitions === 'function'
        ? flowRegistryApi.getRuntimeSourceDefinitions()
        : {}),
      ...SHARED_SOURCE_DEFINITIONS,
    };
  }

  function getDriverDefinitions() {
    return {
      ...(typeof flowRegistryApi.getDriverDefinitions === 'function'
        ? flowRegistryApi.getDriverDefinitions()
        : {}),
      ...SHARED_DRIVER_DEFINITIONS,
    };
  }

  function createSourceRegistry() {
    const SOURCE_DEFINITIONS = getRuntimeSourceDefinitions();
    const DRIVER_DEFINITIONS = getDriverDefinitions();

    function parseUrlSafely(rawUrl) {
      if (!rawUrl) return null;
      try {
        return new URL(rawUrl);
      } catch {
        return null;
      }
    }

    function normalizeSourceId(source) {
      return String(source || '').trim();
    }

    function resolveCanonicalSource(source) {
      const normalized = normalizeSourceId(source);
      if (!normalized) return '';
      return SOURCE_ALIASES[normalized] || normalized;
    }

    function getAliasKeysForCanonicalSource(source) {
      const canonical = resolveCanonicalSource(source);
      return Object.keys(SOURCE_ALIASES).filter((alias) => SOURCE_ALIASES[alias] === canonical);
    }

    function getSourceKeys(source) {
      const normalized = normalizeSourceId(source);
      const canonical = resolveCanonicalSource(normalized);
      return Array.from(new Set([
        canonical,
        ...getAliasKeysForCanonicalSource(canonical),
        normalized,
      ].filter(Boolean)));
    }

    function getSourceMeta(source) {
      const canonical = resolveCanonicalSource(source);
      const definition = SOURCE_DEFINITIONS[canonical];
      if (!definition) {
        return null;
      }
      return {
        id: canonical,
        aliases: getAliasKeysForCanonicalSource(canonical),
        ...definition,
      };
    }

    function getSourceLabel(source) {
      return getSourceMeta(source)?.label || normalizeSourceId(source) || '未知来源';
    }

    function getDriverIdForSource(source) {
      return getSourceMeta(source)?.driverId || null;
    }

    function getDriverMeta(sourceOrDriverId) {
      const directDriverId = normalizeSourceId(sourceOrDriverId);
      const driverId = Object.prototype.hasOwnProperty.call(DRIVER_DEFINITIONS, directDriverId)
        ? directDriverId
        : getDriverIdForSource(sourceOrDriverId);
      if (!driverId || !Object.prototype.hasOwnProperty.call(DRIVER_DEFINITIONS, driverId)) {
        return null;
      }
      return {
        id: driverId,
        ...DRIVER_DEFINITIONS[driverId],
      };
    }

    function driverAcceptsCommand(sourceOrDriverId, command) {
      const normalizedCommand = normalizeSourceId(command);
      if (!normalizedCommand) {
        return false;
      }
      const driver = getDriverMeta(sourceOrDriverId);
      return Array.isArray(driver?.commands) && driver.commands.includes(normalizedCommand);
    }

    function isSignupPageHost(hostname = '') {
      return AUTH_PAGE_HOSTS.has(normalizeHostname(hostname));
    }

    function isSignupEntryHost(hostname = '') {
      return ENTRY_PAGE_HOSTS.has(normalizeHostname(hostname));
    }

    function is163MailHost(hostname = '') {
      const normalized = normalizeHostname(hostname);
      return normalized === 'mail.163.com'
        || normalized.endsWith('.mail.163.com')
        || normalized === 'mail.126.com'
        || normalized.endsWith('.mail.126.com')
        || normalized === 'webmail.vip.163.com';
    }

    function matchesSourceUrlFamily(source, candidateUrl, referenceUrl) {
      const candidate = parseUrlSafely(candidateUrl);
      if (!candidate) return false;

      const canonical = resolveCanonicalSource(source);
      const reference = parseUrlSafely(referenceUrl);

      switch (canonical) {
        case 'openai-auth':
          return isSignupPageHost(candidate.hostname) || isSignupEntryHost(candidate.hostname);
        case 'chatgpt':
          return isSignupEntryHost(candidate.hostname);
        case 'duck-mail':
          return candidate.hostname === 'duckduckgo.com' && candidate.pathname.startsWith('/email/');
        case 'qq-mail':
          return candidate.hostname === 'mail.qq.com' || candidate.hostname === 'wx.mail.qq.com';
        case 'mail-163':
          return is163MailHost(candidate.hostname);
        case 'gmail-mail':
          return candidate.hostname === 'mail.google.com';
        case 'icloud-mail':
          return candidate.hostname === 'www.icloud.com'
            || candidate.hostname === 'www.icloud.com.cn';
        case 'inbucket-mail':
          return Boolean(reference)
            && candidate.origin === reference.origin
            && candidate.pathname.startsWith('/m/');
        case 'mail-2925':
          return candidate.hostname === '2925.com' || candidate.hostname === 'www.2925.com';
        case 'vps-panel':
          return Boolean(reference)
            && candidate.origin === reference.origin
            && candidate.pathname === reference.pathname;
        case 'sub2api-panel':
          return Boolean(reference)
            && candidate.origin === reference.origin
            && (
              candidate.pathname.startsWith('/admin/accounts')
              || candidate.pathname.startsWith('/login')
              || candidate.pathname === '/'
            );
        case 'codex2api-panel':
          return Boolean(reference)
            && candidate.origin === reference.origin
            && (
              candidate.pathname.startsWith('/admin/accounts')
              || candidate.pathname === '/admin'
              || candidate.pathname === '/'
            );
        case 'plus-checkout':
          return candidate.hostname === 'chatgpt.com'
            && candidate.pathname.startsWith('/checkout/');
        case 'paypal-flow':
          return candidate.hostname.endsWith('paypal.com');
        case 'gopay-flow':
          return /gopay|gojek/i.test(candidate.hostname);
        case 'kiro-register-page':
          return isKiroRegisterHost(candidate.hostname);
        case 'kiro-desktop-authorize':
          return isKiroAwsAuthHost(candidate.hostname);
        default:
          return false;
      }
    }

    function detectSourceFromLocation({
      injectedSource,
      url = '',
      hostname = '',
    } = {}) {
      if (injectedSource) return resolveCanonicalSource(injectedSource);

      const normalizedHostname = String(hostname || '').toLowerCase();
      const normalizedUrl = String(url || '');

      if (isSignupPageHost(normalizedHostname)) return 'openai-auth';
      if (normalizedHostname === 'mail.qq.com' || normalizedHostname === 'wx.mail.qq.com') return 'qq-mail';
      if (is163MailHost(normalizedHostname)) return 'mail-163';
      if (normalizedHostname === 'mail.google.com') return 'gmail-mail';
      if (normalizedHostname === 'www.icloud.com' || normalizedHostname === 'www.icloud.com.cn') return 'icloud-mail';
      if (normalizedUrl.includes('duckduckgo.com/email/settings/autofill')) return 'duck-mail';
      if (normalizedUrl.includes('2925.com')) return 'mail-2925';
      if (isKiroRegisterHost(normalizedHostname)) return 'kiro-register-page';
      if (isSignupEntryHost(normalizedHostname)) return 'chatgpt';
      return 'unknown-source';
    }

    function shouldReportReadyForFrame(source, isChildFrame) {
      const canonical = resolveCanonicalSource(source);
      const readyPolicy = getSourceMeta(canonical)?.readyPolicy || 'allow-child-frame';
      if (readyPolicy === 'disabled') return false;
      if (!isChildFrame) return true;
      if (readyPolicy === 'top-frame-only') return false;
      if (CHILD_FRAME_BLOCKED_SOURCES.has(canonical)) return false;
      return true;
    }

    function getCleanupOwnerSource(cleanupScope) {
      return resolveCanonicalSource(CLEANUP_SCOPE_OWNERS[String(cleanupScope || '').trim()] || '');
    }

    return {
      detectSourceFromLocation,
      driverAcceptsCommand,
      getCleanupOwnerSource,
      getDriverIdForSource,
      getDriverMeta,
      getSourceKeys,
      getSourceLabel,
      getSourceMeta,
      is163MailHost,
      isSignupEntryHost,
      isSignupPageHost,
      matchesSourceUrlFamily,
      parseUrlSafely,
      resolveCanonicalSource,
      shouldReportReadyForFrame,
    };
  }

  return {
    createSourceRegistry,
  };
});