/**
 * OmniCard AI (CRMmp) - 微官网 Bento 首页与 Hero 身份区业务驱动层
 * 严格遵循 uts 强类型规范与 AGENTS.md 约束
 */

import {
  CardPortalDetail,
  BentoBlockPublic,
  RadarTrack,
} from '../../common/types.uts';
import {
  fetchPortalCard,
  recordRadarTrack,
} from '../../common/api.uts';
import { OmniLocale, getCurrentLocale, getOmniText } from '../../common/locale.uts';
import {
  getCachedPortal,
  setCachedPortal,
  isCacheValid,
  CachedPortalData,
} from './useCache.uts';

export const PORTAL_LOCALE_STORAGE_KEY = 'omni_locale';

type PortalCardWithSuggested = CardPortalDetail & {
  suggestedLocale?: string;
};

/**
 * 门户合法语言：zh-CN / en-US / ar-SA / es-ES / de-DE / fr-FR / ja-JP
 */
export function parsePortalLocale(raw: string): OmniLocale | null {
  if (raw == null) {
    return null;
  }
  const code = raw.trim();
  if (
    code === 'zh-CN' ||
    code === 'en-US' ||
    code === 'ar-SA' ||
    code === 'es-ES' ||
    code === 'de-DE' ||
    code === 'fr-FR' ||
    code === 'ja-JP'
  ) {
    return code;
  }
  return null;
}

/**
 * 进入页优先级：query.lang > storage > suggestedLocale > fallback(detectLocale)
 */
export function resolvePortalLocale(
  queryLang: string,
  stored: string,
  suggested: string,
  fallback: OmniLocale
): OmniLocale {
  const fromQuery = parsePortalLocale(queryLang);
  if (fromQuery != null) {
    return fromQuery;
  }
  const fromStored = parsePortalLocale(stored);
  if (fromStored != null) {
    return fromStored;
  }
  const fromSuggested = parsePortalLocale(suggested);
  if (fromSuggested != null) {
    return fromSuggested;
  }
  return fallback;
}

export function readStoredPortalLocale(): string {
  try {
    const stored = uni.getStorageSync(PORTAL_LOCALE_STORAGE_KEY) as string;
    if (stored == null) {
      return '';
    }
    return stored;
  } catch (_e) {
    return '';
  }
}

export function persistPortalLocale(code: OmniLocale): void {
  try {
    uni.setStorageSync(PORTAL_LOCALE_STORAGE_KEY, code);
  } catch (_e) {}
}

export function readCardSuggestedLocale(card: CardPortalDetail | null): string {
  if (card == null) {
    return '';
  }
  const extra = card as PortalCardWithSuggested;
  if (extra.suggestedLocale == null) {
    return '';
  }
  return extra.suggestedLocale;
}

export type PortalState = {
  card: CardPortalDetail | null;
  loading: boolean;
  errorMessage: string;
  visitorId: string;
  enterTime: number;
  touchType: string;
  isPlayingAudio: boolean;
  audioContext: any | null;
};

const VISITOR_STORAGE_KEY = 'omni_visitor_id';

/**
 * 获取或初始化访客唯一识别码 (持久化在本地 Storage)
 */
export function getOrCreateVisitorId(): string {
  let visitorId = '';
  try {
    visitorId = uni.getStorageSync(VISITOR_STORAGE_KEY) as string;
  } catch (e) {
    visitorId = '';
  }

  if (!visitorId || visitorId.trim() === '') {
    const randomPart = Math.random().toString(36).substring(2, 10);
    visitorId = `vis_${Date.now()}_${randomPart}`;
    try {
      uni.setStorageSync(VISITOR_STORAGE_KEY, visitorId);
    } catch (e) {}
  }
  return visitorId;
}

/**
 * 创建微官网响应式状态初始对象
 */
export function createPortalState(): PortalState {
  return {
    card: null,
    loading: false,
    errorMessage: '',
    visitorId: getOrCreateVisitorId(),
    enterTime: Date.now(),
    touchType: 'link',
    isPlayingAudio: false,
    audioContext: null,
  };
}

/**
 * 加载微官网名片聚合数据并上报首次触碰 (支持离线 LocalStorage 极速预加载与静默更新)
 */
export async function loadCardPortal(
  state: PortalState,
  cardIdOrSlug: string,
  source: string = 'link'
): Promise<CardPortalDetail | null> {
  state.errorMessage = '';
  state.touchType = source;
  state.enterTime = Date.now();

  // 1. 优先尝试秒级读取本地缓存快照，实现首屏 0ms 呈现
  const cached: CachedPortalData | null = getCachedPortal(cardIdOrSlug);
  let hasValidCache = false;
  if (cached != null && isCacheValid(cached)) {
    state.card = cached.data;
    state.loading = false;
    hasValidCache = true;
  } else {
    state.loading = true;
  }

  try {
    const networkCardData = await fetchPortalCard(cardIdOrSlug);
    if (networkCardData != null) {
      state.card = networkCardData;
      // 静默将最新名片快照持久化至本地
      setCachedPortal(cardIdOrSlug, networkCardData);
      if (networkCardData.slug != null && networkCardData.slug !== cardIdOrSlug) {
        setCachedPortal(networkCardData.slug!, networkCardData);
      }
    }
    state.loading = false;

    // 载入成功后上报雷达初次触碰轨迹
    if (state.card != null && state.card!.id != null) {
      recordRadarTrack({
        cardId: state.card!.id,
        visitorId: state.visitorId,
        touchType: state.touchType,
        stayDurationMs: 0,
        scrollDepth: 0,
      }).catch((_e: unknown) => {
        // 轨迹上报容错，不阻断主流程
      });
    }

    return state.card;
  } catch (err: unknown) {
    state.loading = false;
    if (hasValidCache) {
      // 命中有效缓存时弱网/异常平滑降级，维持缓存内容展示，避免阻断性白屏
      return state.card;
    }
    state.card = null;
    const msg =
      err != null && typeof err === 'object' && 'message' in err
        ? String((err as { message: unknown }).message)
        : '获取名片微官网详情失败';
    state.errorMessage = msg;
    return null;
  }
}

/**
 * 上报访客停留时长与阅读深度
 */
export async function reportPortalStay(
  state: PortalState,
  scrollDepth: number = 0
): Promise<RadarTrack | null> {
  if (!state.card || !state.card.id) {
    return null;
  }

  const stayDurationMs = Math.max(0, Date.now() - state.enterTime);
  try {
    const track = await recordRadarTrack({
      cardId: state.card.id,
      visitorId: state.visitorId,
      touchType: state.touchType,
      stayDurationMs,
      scrollDepth,
    });
    return track;
  } catch (e) {
    return null;
  }
}

/**
 * 名字语音发音试听控制
 */
export function toggleAudioPronunciation(state: PortalState, audioUrl?: string): void {
  if (!audioUrl || audioUrl.trim() === '') {
    return;
  }

  if (state.isPlayingAudio && state.audioContext) {
    try {
      state.audioContext.stop();
    } catch (e) {}
    state.isPlayingAudio = false;
    return;
  }

  if (!state.audioContext) {
    state.audioContext = uni.createInnerAudioContext();
    state.audioContext.onPlay(() => {
      state.isPlayingAudio = true;
    });
    state.audioContext.onEnded(() => {
      state.isPlayingAudio = false;
    });
    state.audioContext.onError(() => {
      state.isPlayingAudio = false;
    });
  }

  try {
    state.audioContext.src = audioUrl;
    state.audioContext.play();
    state.isPlayingAudio = true;
  } catch (e) {
    state.isPlayingAudio = false;
  }
}

/**
 * 快捷动作条呼出处理
 */
export type PortalQuickAction =
  | 'whatsapp'
  | 'linkedin'
  | 'email'
  | 'phone'
  | 'telegram'
  | 'twitter'
  | 'wechat';

export function triggerQuickAction(
  type: PortalQuickAction,
  value?: string
): boolean {
  if (!value || value.trim() === '') {
    uni.showToast({
      title: getOmniText(getCurrentLocale(), 'portal.contact_unset'),
      icon: 'none',
    });
    return false;
  }

  if (type === 'phone') {
    uni.makePhoneCall({
      phoneNumber: value,
    });
    return true;
  }

  if (type === 'whatsapp') {
    const cleanNumber = value.replace(/[^0-9+]/g, '');
    const waUrl = `https://wa.me/${cleanNumber.replace('+', '')}`;
    uni.setClipboardData({
      data: waUrl,
      success: () => {
        uni.showToast({
          title: getOmniText(getCurrentLocale(), 'portal.copied_whatsapp'),
          icon: 'none',
        });
      },
    });
    return true;
  }

  if (type === 'linkedin') {
    uni.setClipboardData({
      data: value,
      success: () => {
        uni.showToast({
          title: getOmniText(getCurrentLocale(), 'portal.copied_linkedin'),
          icon: 'none',
        });
      },
    });
    return true;
  }

  if (type === 'email') {
    uni.setClipboardData({
      data: value,
      success: () => {
        uni.showToast({
          title: getOmniText(getCurrentLocale(), 'portal.copied_email'),
          icon: 'none',
        });
      },
    });
    return true;
  }

  if (type === 'telegram') {
    const raw = value.trim();
    const handle = raw.replace(/^@+/, '');
    const link = /https?:\/\//i.test(raw) ? raw : `https://t.me/${handle}`;
    uni.setClipboardData({
      data: link,
      success: () => {
        uni.showToast({
          title: getOmniText(getCurrentLocale(), 'portal.copied_telegram'),
          icon: 'none',
        });
      },
    });
    return true;
  }

  if (type === 'twitter') {
    uni.setClipboardData({
      data: value,
      success: () => {
        uni.showToast({
          title: getOmniText(getCurrentLocale(), 'portal.copied_twitter'),
          icon: 'none',
        });
      },
    });
    return true;
  }

  if (type === 'wechat') {
    uni.setClipboardData({
      data: value,
      success: () => {
        uni.showToast({
          title: getOmniText(getCurrentLocale(), 'portal.copied_wechat'),
          icon: 'none',
        });
      },
    });
    return true;
  }

  return true;
}

/**
 * 根据 colSpan 计算 Bento Grid 列宽样式类
 */
export function getBentoColSpanClass(colSpan: number): string {
  if (colSpan === 2) {
    return 'bento-col-2';
  }
  return 'bento-col-1';
}

/**
 * 过滤非 Hero 的 Bento 卡片并按 sortOrder 升序排列
 */
export function filterVisibleBentoBlocks(blocks?: BentoBlockPublic[]): BentoBlockPublic[] {
  if (!blocks || !Array.isArray(blocks)) {
    return [];
  }
  return blocks
    .filter((b) => b.type !== 'hero')
    .sort((a, b) => a.sortOrder - b.sortOrder);
}