/**
 * OmniCard AI (CRMmp) - 名片主个人中心与消息通知配置业务驱动层
 * 严格按照 AGENTS.md 规范与 uts 强类型约束
 */

import {
  OmniLocale,
  PORTAL_LOCALE_STORAGE_KEY,
  getCurrentLocale,
  setAppLocale,
  getOmniText,
} from '../../../common/locale.uts';
import {
  CardProfile,
  OwnerPageData,
  OwnerPageQuery,
} from '../../../common/types.uts';
import { fetchOwnerCardPage } from '../../../common/api.uts';

export { PORTAL_LOCALE_STORAGE_KEY };

export type UserProfileAccount = {
  name: string;
  company: string;
  department: string;
  avatar: string;
  cardId: string;
  cardSlug: string;
};

export type NotificationSettings = {
  radarPush: boolean;
  leadNotice: boolean;
};

export type ProfileMetrics = {
  cardsCount: number;
  visitorsCount: number;
  leadsCount: number;
};

export type ProfileState = {
  account: UserProfileAccount;
  notifications: NotificationSettings;
  metrics: ProfileMetrics;
  locale: OmniLocale;
  saving: boolean;
  loading: boolean;
  errorMessage: string;
};

export type StorageApi = {
  getStorageSync: (key: string) => unknown;
  setStorageSync: (key: string, value: unknown) => void;
};

export const PROFILE_ACCOUNT_STORAGE_KEY = 'omni_owner_profile_account';
export const PROFILE_NOTIFICATIONS_STORAGE_KEY = 'omni_owner_profile_notifications';
export const PROFILE_METRICS_STORAGE_KEY = 'omni_owner_profile_metrics';

function defaultStorage(): StorageApi {
  return {
    getStorageSync: (key: string): unknown => {
      try {
        if (typeof uni !== 'undefined' && uni.getStorageSync != null) {
          return uni.getStorageSync(key);
        }
      } catch (_e) {}
      return '';
    },
    setStorageSync: (key: string, value: unknown): void => {
      try {
        if (typeof uni !== 'undefined' && uni.setStorageSync != null) {
          uni.setStorageSync(key, value);
        }
      } catch (err: unknown) {
        throw err;
      }
    },
  };
}

export function getDefaultAccount(): UserProfileAccount {
  return {
    name: '',
    company: '',
    department: '',
    avatar: '',
    cardId: '',
    cardSlug: '',
  };
}

export type LoadProfileAccountApi = {
  fetchOwnerCardPage: (
    query: OwnerPageQuery
  ) => Promise<OwnerPageData<CardProfile>>;
};

/**
 * 读取接口可选组织字段：仅 trim，缺失或空白一律空串
 */
export function readOptionalOrgText(value: string | null | undefined): string {
  if (value == null) {
    return '';
  }
  return String(value).trim();
}

/**
 * 公司/部门展示：有值原样返回，缺失或空串走 i18n 空态
 */
export function displayOrgField(value: string | null | undefined): string {
  const text = readOptionalOrgText(value);
  if (text === '') {
    return resolveProfileText('empty');
  }
  return text;
}

/**
 * 接口失败或无数据时清空公司与部门，禁止保留上次/示例值
 */
export function clearOrgFields(state: ProfileState): void {
  state.account.company = '';
  state.account.department = '';
}

function readDepartmentFromCard(card: CardProfile): string {
  const extra = card as CardProfile & { department?: string | null };
  return readOptionalOrgText(extra.department);
}

/**
 * 从名片分页接口拉取当前用户公司/部门（仅使用接口返回字段）
 */
export async function loadOwnerProfileAccount(
  state: ProfileState,
  api?: LoadProfileAccountApi
): Promise<boolean> {
  const fetchPage =
    api != null ? api.fetchOwnerCardPage : fetchOwnerCardPage;
  state.loading = true;
  try {
    const data = await fetchPage({ page: 1, size: 1 } as OwnerPageQuery);
    const list = data.list != null ? data.list : [];
    if (list.length === 0) {
      clearOrgFields(state);
      state.account.cardId = '';
      state.account.cardSlug = '';
      state.errorMessage = '';
      state.loading = false;
      return true;
    }
    const card = list[0];
    state.account.company = readOptionalOrgText(card.company);
    state.account.department = readDepartmentFromCard(card);
    state.account.cardId = card.id != null ? String(card.id) : '';
    const slugText = card.slug != null ? String(card.slug).trim() : '';
    state.account.cardSlug = slugText;
    if (card.name != null && String(card.name).trim() !== '') {
      state.account.name = String(card.name).trim();
    }
    if (card.avatarUrl != null && String(card.avatarUrl).trim() !== '') {
      state.account.avatar = String(card.avatarUrl).trim();
    }
    state.errorMessage = '';
    state.loading = false;
    return true;
  } catch (err: unknown) {
    clearOrgFields(state);
    state.account.cardId = '';
    state.account.cardSlug = '';
    const msg = err instanceof Error && err.message !== ''
      ? err.message
      : resolveProfileText('error');
    state.errorMessage = msg;
    state.loading = false;
    return false;
  }
}

export function getDefaultNotifications(): NotificationSettings {
  return {
    radarPush: true,
    leadNotice: true,
  };
}

export function getDefaultMetrics(): ProfileMetrics {
  return {
    cardsCount: 0,
    visitorsCount: 0,
    leadsCount: 0,
  };
}

export function loadProfileMetrics(storage?: StorageApi): ProfileMetrics {
  const store = storage != null ? storage : defaultStorage();
  try {
    const raw = store.getStorageSync(PROFILE_METRICS_STORAGE_KEY);
    const parsed = safeParseJson<Record<string, unknown>>(raw);
    if (parsed != null && typeof parsed === 'object') {
      const defaultM = getDefaultMetrics();
      const cards = typeof parsed.cardsCount === 'number' ? parsed.cardsCount : defaultM.cardsCount;
      const visitors = typeof parsed.visitorsCount === 'number' ? parsed.visitorsCount : defaultM.visitorsCount;
      const leads = typeof parsed.leadsCount === 'number' ? parsed.leadsCount : defaultM.leadsCount;
      return {
        cardsCount: cards,
        visitorsCount: visitors,
        leadsCount: leads,
      };
    }
  } catch (_e) {}
  return getDefaultMetrics();
}

export function saveProfileMetrics(metrics: ProfileMetrics, storage?: StorageApi): boolean {
  const store = storage != null ? storage : defaultStorage();
  try {
    store.setStorageSync(PROFILE_METRICS_STORAGE_KEY, JSON.stringify(metrics));
    return true;
  } catch (_e) {
    return false;
  }
}

export function createProfileState(locale?: OmniLocale): ProfileState {
  const currentLocale = locale != null ? locale : getCurrentLocale();
  return {
    account: getDefaultAccount(),
    notifications: getDefaultNotifications(),
    metrics: getDefaultMetrics(),
    locale: currentLocale,
    saving: false,
    loading: false,
    errorMessage: '',
  };
}

function safeParseJson<T>(raw: unknown): T | null {
  if (raw == null || typeof raw !== 'string') {
    return null;
  }
  const trimmed = raw.trim();
  if (trimmed === '' || (!trimmed.startsWith('{') && !trimmed.startsWith('['))) {
    return null;
  }
  try {
    return JSON.parse(trimmed) as T;
  } catch (_e) {
    return null;
  }
}

/**
 * 从本地存储加载个人名片主资料与通知设置，具备完整防御性容错
 */
export function loadProfileSettings(storage?: StorageApi): ProfileState {
  const store = storage != null ? storage : defaultStorage();
  const state = createProfileState();

  try {
    const rawAccount = store.getStorageSync(PROFILE_ACCOUNT_STORAGE_KEY);
    const parsedAccount = safeParseJson<Record<string, unknown>>(rawAccount);

    if (parsedAccount != null && typeof parsedAccount === 'object') {
      const safeName = typeof parsedAccount.name === 'string'
        ? parsedAccount.name.trim()
        : '';
      const safeCompany = typeof parsedAccount.company === 'string'
        ? parsedAccount.company.trim()
        : '';
      const safeDept = typeof parsedAccount.department === 'string'
        ? parsedAccount.department.trim()
        : '';
      const safeAvatar = typeof parsedAccount.avatar === 'string'
        ? parsedAccount.avatar.trim()
        : '';
      const safeCardId = typeof parsedAccount.cardId === 'string'
        ? parsedAccount.cardId.trim()
        : '';
      const safeCardSlug = typeof parsedAccount.cardSlug === 'string'
        ? parsedAccount.cardSlug.trim()
        : '';

      state.account = {
        name: safeName,
        company: safeCompany,
        department: safeDept,
        avatar: safeAvatar,
        cardId: safeCardId,
        cardSlug: safeCardSlug,
      };
    }
  } catch (_e) {
    // 降级使用默认账户
    state.account = getDefaultAccount();
  }

  try {
    const rawNotice = store.getStorageSync(PROFILE_NOTIFICATIONS_STORAGE_KEY);
    const parsedNotice = safeParseJson<Record<string, unknown>>(rawNotice);

    if (parsedNotice != null && typeof parsedNotice === 'object') {
      const defaultNotif = getDefaultNotifications();
      state.notifications = {
        radarPush: typeof parsedNotice.radarPush === 'boolean'
          ? parsedNotice.radarPush
          : defaultNotif.radarPush,
        leadNotice: typeof parsedNotice.leadNotice === 'boolean'
          ? parsedNotice.leadNotice
          : defaultNotif.leadNotice,
      };
    }
  } catch (_e) {
    // 降级使用默认通知
    state.notifications = getDefaultNotifications();
  }

  state.locale = getCurrentLocale();
  state.metrics = loadProfileMetrics(store);
  return state;
}

/**
 * 保存名片主资料与通知设置到本地存储
 */
export function saveProfileSettings(state: ProfileState, storage?: StorageApi): boolean {
  const store = storage != null ? storage : defaultStorage();
  try {
    store.setStorageSync(
      PROFILE_ACCOUNT_STORAGE_KEY,
      JSON.stringify(state.account)
    );
    store.setStorageSync(
      PROFILE_NOTIFICATIONS_STORAGE_KEY,
      JSON.stringify(state.notifications)
    );
    saveProfileMetrics(state.metrics, store);
    state.errorMessage = '';
    return true;
  } catch (err: unknown) {
    const msg = err instanceof Error ? err.message : 'Storage save failed';
    state.errorMessage = msg;
    return false;
  }
}

/**
 * 更新账户资料字段，具备非空与空格修剪防御保护
 */
export function updateAccount(
  state: ProfileState,
  patch: Partial<UserProfileAccount>
): void {
  if (patch == null) {
    return;
  }
  if (typeof patch.name === 'string' && patch.name.trim() !== '') {
    state.account.name = patch.name.trim();
  }
  if (typeof patch.company === 'string' && patch.company.trim() !== '') {
    state.account.company = patch.company.trim();
  }
  if (typeof patch.department === 'string' && patch.department.trim() !== '') {
    state.account.department = patch.department.trim();
  }
  if (typeof patch.avatar === 'string' && patch.avatar.trim() !== '') {
    state.account.avatar = patch.avatar.trim();
  }
}

/**
 * 切换雷达即时推送通知开关，并同步记忆持久化
 */
export function toggleRadarPush(
  state: ProfileState,
  value?: boolean,
  storage?: StorageApi
): boolean {
  const store = storage != null ? storage : defaultStorage();
  const nextVal = value !== undefined ? Boolean(value) : !state.notifications.radarPush;
  state.notifications.radarPush = nextVal;

  try {
    store.setStorageSync(
      PROFILE_NOTIFICATIONS_STORAGE_KEY,
      JSON.stringify(state.notifications)
    );
    state.errorMessage = '';
  } catch (err: unknown) {
    const msg = err instanceof Error ? err.message : 'Failed to persist radar push';
    state.errorMessage = msg;
  }

  return nextVal;
}

/**
 * 切换新线索提醒开关，并同步记忆持久化
 */
export function toggleLeadNotice(
  state: ProfileState,
  value?: boolean,
  storage?: StorageApi
): boolean {
  const store = storage != null ? storage : defaultStorage();
  const nextVal = value !== undefined ? Boolean(value) : !state.notifications.leadNotice;
  state.notifications.leadNotice = nextVal;

  try {
    store.setStorageSync(
      PROFILE_NOTIFICATIONS_STORAGE_KEY,
      JSON.stringify(state.notifications)
    );
    state.errorMessage = '';
  } catch (err: unknown) {
    const msg = err instanceof Error ? err.message : 'Failed to persist lead notice';
    state.errorMessage = msg;
  }

  return nextVal;
}

/**
 * 切换首选语言并记忆持久化
 */
export function setPreferredLocale(
  state: ProfileState,
  locale: string,
  storage?: StorageApi
): OmniLocale {
  const safeLocales: OmniLocale[] = [
    'zh-CN',
    'en-US',
    'ar-SA',
    'es-ES',
    'de-DE',
    'fr-FR',
    'ja-JP',
  ];
  let targetLocale: OmniLocale = 'zh-CN';
  if (locale != null) {
    const found = safeLocales.find((l: OmniLocale) => l === locale);
    if (found != null) {
      targetLocale = found;
    } else {
      const lower = locale.toLowerCase();
      if (lower.startsWith('en')) {
        targetLocale = 'en-US';
      }
    }
  }

  state.locale = targetLocale;
  setAppLocale(targetLocale);

  if (storage != null) {
    try {
      storage.setStorageSync(PORTAL_LOCALE_STORAGE_KEY, targetLocale);
    } catch (_e) {}
  }

  return targetLocale;
}

/**
 * 预览个人头像
 */
export function previewAccountAvatar(state: ProfileState): void {
  if (state.account.avatar !== '') {
    // #ifndef UNI-APP-X-TEST
    try {
      if (typeof uni !== 'undefined' && typeof uni.previewImage === 'function') {
        uni.previewImage({
          urls: [state.account.avatar],
          current: state.account.avatar,
        });
      }
    } catch (_e) {}
    // #endif
  }
}

/**
 * 移除个人头像
 */
export function removeAccountAvatar(state: ProfileState): void {
  state.account.avatar = '';
}

/**
 * 计算配额使用百分比 (0-100)，防溢出与除零防御
 */
export function calculateQuotaPercent(used: number, limit: number): number {
  if (limit <= 0) {
    return 100;
  }
  if (used <= 0) {
    return 0;
  }
  const pct = Math.round((used / limit) * 100);
  if (pct > 100) {
    return 100;
  }
  return pct;
}

/**
 * 瑞士国际主义多语言文案解析器，无 emoji
 */
export function resolveProfileText(key: string): string {
  const locale = getCurrentLocale();
  if (key === 'save') {
    return getOmniText(locale, 'common.save');
  }
  if (key === 'saved') {
    return getOmniText(locale, 'common.success');
  }
  if (key === 'loading') {
    return getOmniText(locale, 'common.loading');
  }
  if (key === 'error') {
    return getOmniText(locale, 'common.error');
  }
  if (key === 'empty') {
    return getOmniText(locale, 'common.empty');
  }

  const isZh = locale === 'zh-CN';

  switch (key) {
    case 'title':
      return isZh ? '个人中心' : 'Profile';
    case 'subtitle':
      return isZh ? '管理名片主信息与系统通知' : 'Manage account and notifications';
    case 'accountSection':
      return isZh ? '基本资料' : 'Account';
    case 'nameLabel':
      return isZh ? '姓名' : 'Name';
    case 'companyLabel':
      return isZh ? '所属企业' : 'Company';
    case 'departmentLabel':
      return isZh ? '部门' : 'Department';
    case 'avatarLabel':
      return isZh ? '头像' : 'Avatar';
    case 'tierPro':
      return isZh ? '商业专业版' : 'Pro Plan';
    case 'tierBadge':
      return 'PRO';
    case 'previewPortal':
      return isZh ? '预览微官网' : 'Preview site';
    case 'metricsCards':
      return isZh ? '活跃名片' : 'Active Cards';
    case 'metricsVisitors':
      return isZh ? '雷达访客' : 'Radar Visitors';
    case 'metricsLeads':
      return isZh ? '沉淀线索' : 'Captured Leads';
    case 'notificationsSection':
      return isZh ? '消息通知' : 'Notifications';
    case 'radarPushTitle':
      return isZh ? '雷达即时推送' : 'Radar Push';
    case 'radarPushDesc':
      return isZh ? '国际访客访问名片时立即通知' : 'Instant alert when visitors view card';
    case 'leadNoticeTitle':
      return isZh ? '新线索提醒' : 'Lead Notice';
    case 'leadNoticeDesc':
      return isZh ? '客商留资或互换名片时实时触达' : 'Real-time notice for new leads';
    case 'languageSection':
      return isZh ? '偏好设置' : 'Preferences';
    case 'languageLabel':
      return isZh ? '界面语言' : 'Display Language';
    case 'logout':
      return isZh ? '退出登录' : 'Log out';
    case 'workspaceSection':
      return isZh ? '设备与团队' : 'Hardware & Team';
    case 'cardStudioSection':
      return isZh ? '名片内容管理' : 'Digital Card Studio';
    case 'myCards':
      return isZh ? '我的数字名片' : 'Digital Cards';
    case 'cardEdit':
      return isZh ? '名片编辑' : 'Edit Card';
    case 'productCases':
      return isZh ? '产品相册与案例' : 'Portfolio & Cases';
    case 'articleDynamics':
      return isZh ? '文章与商务动态' : 'Insights & News';
    case 'sharePoster':
      return isZh ? '分享海报' : 'Share Poster';
    case 'exchangeHall':
      return isZh ? '互换大厅' : 'Exchange Hall';
    case 'editProfile':
      return isZh ? '编辑资料' : 'Edit';
    case 'nfcSection':
      return isZh ? 'NFC 设备' : 'NFC Fleet';
    case 'nfcScan':
      return isZh ? 'NFC 贴卡激活' : 'Activate NFC card';
    case 'nfcMode':
      return isZh ? 'NFC 场景切换' : 'NFC scene mode';
    case 'nfcSecurity':
      return isZh ? 'NFC 挂失' : 'Freeze NFC card';
    case 'teamBriefing':
      return isZh ? '展会数据' : 'Team briefing';
    case 'quotaSection':
      return isZh ? '套餐与配额' : 'Plan & Quota';
    case 'quotaCards':
      return isZh ? '名片用量' : 'Card usage';
    case 'quotaUpgrade':
      return isZh ? '已达上限，请升级套餐' : 'Limit reached. Upgrade to continue.';
    case 'upgradeQuota':
      return isZh ? '升级扩容' : 'Upgrade Plan';
    case 'planActive':
      return isZh ? '生效中' : 'Active';
    case 'confirmLogoutTitle':
      return isZh ? '确认退出' : 'Sign Out';
    case 'confirmLogoutContent':
      return isZh ? '确定要退出当前账号吗？' : 'Are you sure you want to sign out?';
    case 'myCardsSub':
      return isZh ? '查看和切换名片' : 'View and switch cards';
    case 'cardEditSub':
      return isZh ? '改姓名、职位和联系方式' : 'Name, role, and contact details';
    case 'productCasesSub':
      return isZh ? '名片上展示的案例' : 'Cases shown on your card';
    case 'articleDynamicsSub':
      return isZh ? '名片上展示的文章' : 'Articles shown on your card';
    case 'sharePosterSub':
      return isZh ? '全屏出示二维码' : 'Full-screen QR';
    case 'exchangeHallSub':
      return isZh ? '当面交换名片' : 'Exchange in person';
    case 'nfcScanSub':
      return isZh ? '把实体卡绑到名片' : 'Bind a physical card';
    case 'nfcModeSub':
      return isZh ? '更换这张卡打开的页面' : 'Choose what the card opens';
    case 'nfcSecuritySub':
      return isZh ? '卡片丢失时远程停用' : 'Freeze a lost card';
    case 'teamBriefingSub':
      return isZh ? '团队今天的获客' : "Today's team results";
    case 'avatarActionSheetTitle':
      return isZh ? '头像管理' : 'Avatar Options';
    case 'avatarActionPreview':
      return isZh ? '查看大图' : 'View Full Photo';
    case 'avatarActionChoose':
      return isZh ? '从相册更换头像' : 'Change from Photos';
    case 'avatarActionRemove':
      return isZh ? '移除当前头像' : 'Remove Avatar';
    case 'aboutApp':
      return isZh ? '关于 OmniCard' : 'About OmniCard';
    case 'aboutBody':
      return isZh ? '数字名片、微官网和访客雷达' : 'Digital cards, microsites, and visitor radar';
    case 'confirm':
      return isZh ? '知道了' : 'OK';
    case 'appVersion':
      return 'OmniCard';
    case 'securitySafe':
      return isZh ? '保护中' : 'Protected';
    case 'livePulse':
      return isZh ? '实时' : 'Live';
    default:
      return key;
  }
}