/**
 * OmniCard AI (CRMmp) - 名片主 NFC 场景模式切换业务驱动层
 * 日间展会 business 与晚宴社交 social；挂失设备拒绝切换
 */

import {
  NFCMaterial,
  NFCRecord,
  NFCSceneMode,
  NFCStatus,
  NfcBindParams,
} from '../../../common/types.uts';
import { switchNfcCard, updateNfcDevice } from '../../../common/api.uts';
import {
  getCurrentLocale,
  getOmniText,
  OmniLocale,
} from '../../../common/locale.uts';

export type ModeCopyKey =
  | 'title'
  | 'desc'
  | 'uidLabel'
  | 'cardIdLabel'
  | 'business'
  | 'social'
  | 'apply'
  | 'statusLabel'
  | 'sceneLabel'
  | 'statusActive'
  | 'statusSuspended'
  | 'statusUnbound'
  | 'suspendedError'
  | 'invalidMode'
  | 'missingUid'
  | 'missingCardId'
  | 'missingDevice'
  | 'applySuccess'
  | 'applyError'
  | 'loading'
  | 'offlineUnavailable';

export type ModePageOptions = {
  uid?: string;
  cardId?: string;
  id?: string;
  status?: string;
  sceneMode?: string;
  tenantId?: string;
  batchNo?: string;
  material?: string;
};

export type NfcModeState = {
  uid: string;
  cardId: string;
  selectedMode: NFCSceneMode;
  status: string;
  sceneMode: string;
  device: NFCRecord | null;
  submitting: boolean;
  errorMessage: string;
};

export type ApplySceneParams = {
  uid: string;
  cardId: string | number;
  sceneMode: string;
  device: NFCRecord | null;
};

export type ApplySceneApi = {
  switchNfcCard: (params: NfcBindParams) => Promise<NFCRecord>;
  updateNfcDevice: (
    payload: NFCRecord & { id: string | number }
  ) => Promise<NFCRecord>;
};

export type ApplySceneResult = {
  ok: boolean;
  error: string;
  device: NFCRecord | null;
};

export type OfflineWriteParams = {
  uid?: string;
  cardId?: string | number;
  vcard?: string;
};

export type OfflineWriteResult = {
  ok: boolean;
  error: string;
};

const MODE_COPY: Record<OmniLocale, Record<ModeCopyKey, string>> = {
  'zh-CN': {
    title: '场景模式',
    desc: '支持商务与社交场景快速切换，挂失状态下不可切换。',
    uidLabel: '芯片 UID',
    cardIdLabel: '名片 ID',
    business: '日间展会',
    social: '晚宴社交',
    apply: '应用场景',
    statusLabel: '当前状态',
    sceneLabel: '当前场景',
    statusActive: '已激活',
    statusSuspended: '已挂失',
    statusUnbound: '未绑定',
    suspendedError: '设备已挂失，无法切换场景',
    invalidMode: '仅支持展会或社交场景',
    missingUid: '请填写芯片 UID',
    missingCardId: '请填写名片 ID',
    missingDevice: '缺少设备标识，无法更新场景',
    applySuccess: '操作成功',
    applyError: '操作失败',
    loading: '加载中...',
    offlineUnavailable: '此设备暂不能写入离线名片',
  },
  'en-US': {
    title: 'Scene mode',
    desc: 'Use Business for daytime expos and Social for evening events. Suspended cards cannot be switched.',
    uidLabel: 'Chip UID',
    cardIdLabel: 'Card ID',
    business: 'Daytime expo',
    social: 'Evening social',
    apply: 'Apply scene',
    statusLabel: 'Current status',
    sceneLabel: 'Current scene',
    statusActive: 'Active',
    statusSuspended: 'Suspended',
    statusUnbound: 'Unbound',
    suspendedError: 'This card is suspended and cannot change scenes',
    invalidMode: 'Only business or social scenes are available',
    missingUid: 'Enter the chip UID',
    missingCardId: 'Enter the card ID',
    missingDevice: 'A device ID is required to update the scene',
    applySuccess: 'Done',
    applyError: 'Something went wrong',
    loading: 'Loading...',
    offlineUnavailable: 'This device cannot write offline cards yet',
  },
  'ar-SA': {
    title: 'وضع المشهد',
    desc: 'استخدم وضع الأعمال للمعارض النهارية ووضع التواصل للأمسيات. لا يمكن تبديل البطاقة الموقوفة.',
    uidLabel: 'معرّف الشريحة',
    cardIdLabel: 'معرّف البطاقة',
    business: 'معرض نهاري',
    social: 'أمسية اجتماعية',
    apply: 'تطبيق المشهد',
    statusLabel: 'الحالة الحالية',
    sceneLabel: 'المشهد الحالي',
    statusActive: 'نشط',
    statusSuspended: 'موقوف',
    statusUnbound: 'غير مرتبط',
    suspendedError: 'البطاقة موقوفة ولا يمكن تغيير المشهد',
    invalidMode: 'يتوفر وضع الأعمال أو التواصل فقط',
    missingUid: 'أدخل معرّف الشريحة',
    missingCardId: 'أدخل معرّف البطاقة',
    missingDevice: 'يلزم معرّف الجهاز لتحديث المشهد',
    applySuccess: 'تم',
    applyError: 'تعذّر الإكمال',
    loading: 'جارٍ التحميل...',
    offlineUnavailable: 'لا يمكن لهذا الجهاز كتابة البطاقة دون اتصال حالياً',
  },
  'es-ES': {
    title: 'Modo de escena',
    desc: 'Usa Negocios en ferias diurnas y Social en eventos nocturnos. Las tarjetas suspendidas no se pueden cambiar.',
    uidLabel: 'UID del chip',
    cardIdLabel: 'ID de tarjeta',
    business: 'Feria diurna',
    social: 'Evento social',
    apply: 'Aplicar escena',
    statusLabel: 'Estado actual',
    sceneLabel: 'Escena actual',
    statusActive: 'Activa',
    statusSuspended: 'Suspendida',
    statusUnbound: 'Sin vincular',
    suspendedError: 'La tarjeta está suspendida y no puede cambiar de escena',
    invalidMode: 'Solo están disponibles las escenas de negocios o social',
    missingUid: 'Introduce el UID del chip',
    missingCardId: 'Introduce el ID de la tarjeta',
    missingDevice: 'Se necesita el ID del dispositivo para actualizar la escena',
    applySuccess: 'Listo',
    applyError: 'No se pudo completar',
    loading: 'Cargando...',
    offlineUnavailable: 'Este dispositivo aún no puede escribir tarjetas sin conexión',
  },
  'de-DE': {
    title: 'Szenenmodus',
    desc: 'Business für Tagesmessen, Social für Abendveranstaltungen. Gesperrte Karten lassen sich nicht wechseln.',
    uidLabel: 'Chip-UID',
    cardIdLabel: 'Karten-ID',
    business: 'Tagesmesse',
    social: 'Abendempfang',
    apply: 'Szene anwenden',
    statusLabel: 'Aktueller Status',
    sceneLabel: 'Aktuelle Szene',
    statusActive: 'Aktiv',
    statusSuspended: 'Gesperrt',
    statusUnbound: 'Nicht gebunden',
    suspendedError: 'Die Karte ist gesperrt und kann die Szene nicht wechseln',
    invalidMode: 'Nur Business- oder Social-Szenen sind verfügbar',
    missingUid: 'Chip-UID eingeben',
    missingCardId: 'Karten-ID eingeben',
    missingDevice: 'Zum Aktualisieren der Szene ist eine Geräte-ID erforderlich',
    applySuccess: 'Erledigt',
    applyError: 'Vorgang fehlgeschlagen',
    loading: 'Wird geladen...',
    offlineUnavailable: 'Dieses Gerät kann Offline-Visitenkarten noch nicht schreiben',
  },
  'fr-FR': {
    title: 'Mode scène',
    desc: 'Business pour les salons de jour, Social pour les soirées. Les cartes suspendues ne peuvent pas être changées.',
    uidLabel: 'UID de la puce',
    cardIdLabel: 'ID de carte',
    business: 'Salon de jour',
    social: 'Soirée',
    apply: 'Appliquer la scène',
    statusLabel: 'Statut actuel',
    sceneLabel: 'Scène actuelle',
    statusActive: 'Active',
    statusSuspended: 'Suspendue',
    statusUnbound: 'Non liée',
    suspendedError: 'Cette carte est suspendue et ne peut pas changer de scène',
    invalidMode: 'Seules les scènes business ou social sont disponibles',
    missingUid: 'Saisissez l’UID de la puce',
    missingCardId: 'Saisissez l’ID de la carte',
    missingDevice: 'Un identifiant d’appareil est requis pour mettre à jour la scène',
    applySuccess: 'Terminé',
    applyError: 'Échec de l’opération',
    loading: 'Chargement...',
    offlineUnavailable: 'Cet appareil ne peut pas encore écrire de cartes hors ligne',
  },
  'ja-JP': {
    title: 'シーンモード',
    desc: '日中の展示会はビジネス、夜の交流はソーシャル。利用停止中のカードは切り替えできません。',
    uidLabel: 'チップ UID',
    cardIdLabel: '名刺 ID',
    business: '日中展示会',
    social: '夜の交流',
    apply: 'シーンを適用',
    statusLabel: '現在の状態',
    sceneLabel: '現在のシーン',
    statusActive: '有効',
    statusSuspended: '利用停止',
    statusUnbound: '未連携',
    suspendedError: 'このカードは利用停止中のため、シーンを切り替えできません',
    invalidMode: 'ビジネスまたはソーシャルのみ選択できます',
    missingUid: 'チップ UID を入力してください',
    missingCardId: '名刺 ID を入力してください',
    missingDevice: 'シーンを更新するにはデバイス ID が必要です',
    applySuccess: '完了しました',
    applyError: '操作に失敗しました',
    loading: '読み込み中...',
    offlineUnavailable: 'この端末ではオフライン名刺を書き込めません',
  },
};

/**
 * 场景文案：能复用 locale.uts 的走词典，其余走本地七语表
 */
export function resolveModeText(key: ModeCopyKey): string {
  if (key === 'applySuccess') {
    return getOmniText(getCurrentLocale(), 'common.success');
  }
  if (key === 'applyError') {
    return getOmniText(getCurrentLocale(), 'common.error');
  }
  if (key === 'loading') {
    return getOmniText(getCurrentLocale(), 'common.loading');
  }
  const locale = getCurrentLocale();
  const bag = MODE_COPY[locale] != null ? MODE_COPY[locale] : MODE_COPY['en-US'];
  return bag[key];
}

/**
 * 只放行 business | social
 */
export function parseSceneMode(raw: string | null | undefined): NFCSceneMode | null {
  if (raw === 'business' || raw === 'social') {
    return raw;
  }
  return null;
}

function parseStatus(raw: string | null | undefined): NFCStatus | null {
  if (raw === 'active' || raw === 'suspended' || raw === 'unbound') {
    return raw;
  }
  return null;
}

function parseMaterial(raw: string | null | undefined): NFCMaterial | null {
  if (raw === 'wood' || raw === 'metal' || raw === 'pvc') {
    return raw;
  }
  return null;
}

function trimText(value: string | number | null | undefined): string {
  if (value == null) {
    return '';
  }
  return String(value).trim();
}

function toCardNumber(cardId: string | number): number {
  const n = typeof cardId === 'number' ? cardId : Number(String(cardId).trim());
  if (n !== n || n === 0) {
    return 0;
  }
  return n;
}

function sameCardId(
  left: string | number | null | undefined,
  right: string | number | null | undefined
): boolean {
  const a = trimText(left);
  const b = trimText(right);
  if (a === '' || b === '') {
    return false;
  }
  return a === b;
}

function hasDeviceId(device: NFCRecord | null): boolean {
  if (device == null) {
    return false;
  }
  return trimText(device.id) !== '';
}

function fail(error: string, device: NFCRecord | null): ApplySceneResult {
  return {
    ok: false,
    error,
    device,
  };
}

function resolveApi(api?: ApplySceneApi): ApplySceneApi {
  if (api != null) {
    return api;
  }
  return {
    switchNfcCard,
    updateNfcDevice,
  };
}

/**
 * 切换场景：挂失拒绝；换绑仅 active 且 cardId 不同；始终 update 写 sceneMode
 */
export async function applyScene(
  params: ApplySceneParams,
  api?: ApplySceneApi
): Promise<ApplySceneResult> {
  const uid = trimText(params.uid);
  if (uid === '') {
    return fail(resolveModeText('missingUid'), params.device);
  }

  const mode = parseSceneMode(params.sceneMode);
  if (mode == null) {
    return fail(resolveModeText('invalidMode'), params.device);
  }

  const cardNumber = toCardNumber(params.cardId);
  if (cardNumber === 0) {
    return fail(resolveModeText('missingCardId'), params.device);
  }

  const device = params.device;
  if (device != null && device.status === 'suspended') {
    return fail(resolveModeText('suspendedError'), device);
  }

  if (!hasDeviceId(device)) {
    return fail(resolveModeText('missingDevice'), device);
  }

  const readyDevice = device as NFCRecord;
  const client = resolveApi(api);
  let working = readyDevice;

  const needSwitch =
    readyDevice.status === 'active' && !sameCardId(readyDevice.cardId, params.cardId);
  if (needSwitch) {
    working = await client.switchNfcCard({
      uid,
      cardId: cardNumber,
    });
  }

  const payload: NFCRecord & { id: string | number } = {
    id: working.id,
    uid: working.uid,
    tenantId: working.tenantId,
    cardId: working.cardId,
    batchNo: working.batchNo,
    material: working.material,
    status: working.status,
    sceneMode: mode,
    lastScannedAt: working.lastScannedAt,
  };
  const updated = await client.updateNfcDevice(payload);
  return {
    ok: true,
    error: '',
    device: updated,
  };
}

/**
 * 当前无真实 NDEF 写芯片能力；禁止伪造可写
 */
export function canWriteOfflineVCard(): boolean {
  return false;
}

/**
 * 离线 vCard 烧录：无真实写芯片实现时一律失败，不 toast 成功/已烧录
 */
export async function writeOfflineVCard(
  _payload?: OfflineWriteParams
): Promise<OfflineWriteResult> {
  const error = resolveModeText('offlineUnavailable');
  if (!canWriteOfflineVCard()) {
    return {
      ok: false,
      error,
    };
  }
  // 真实写芯片接入前不可达；显式失败兜底，杜绝假成功
  return {
    ok: false,
    error,
  };
}

export function createModeState(): NfcModeState {
  return {
    uid: '',
    cardId: '',
    selectedMode: 'business',
    status: '',
    sceneMode: '',
    device: null,
    submitting: false,
    errorMessage: '',
  };
}

function buildDeviceFromOptions(
  state: NfcModeState,
  options: ModePageOptions
): NFCRecord | null {
  const id = trimText(options.id);
  if (id === '') {
    return null;
  }
  const status = parseStatus(state.status);
  const sceneMode = parseSceneMode(state.sceneMode);
  const material = parseMaterial(options.material);
  return {
    id,
    uid: state.uid,
    tenantId: trimText(options.tenantId) !== '' ? trimText(options.tenantId) : 0,
    cardId: state.cardId === '' ? null : state.cardId,
    batchNo: trimText(options.batchNo),
    material: material != null ? material : 'pvc',
    status: status != null ? status : 'unbound',
    sceneMode: sceneMode != null ? sceneMode : 'business',
    lastScannedAt: null,
  };
}

/**
 * 从页面 query 写入 uid / cardId / 当前状态与场景
 */
export function applyModeOptions(
  state: NfcModeState,
  options: ModePageOptions | null
): void {
  if (options == null) {
    return;
  }
  const uid = trimText(options.uid);
  if (uid !== '') {
    state.uid = uid;
  }
  const cardId = trimText(options.cardId);
  if (cardId !== '') {
    state.cardId = cardId;
  }
  const status = parseStatus(options.status);
  if (status != null) {
    state.status = status;
  }
  const sceneMode = parseSceneMode(options.sceneMode);
  if (sceneMode != null) {
    state.sceneMode = sceneMode;
    state.selectedMode = sceneMode;
  }
  state.device = buildDeviceFromOptions(state, options);
}

export function selectSceneMode(state: NfcModeState, raw: string): boolean {
  const mode = parseSceneMode(raw);
  if (mode == null) {
    return false;
  }
  state.selectedMode = mode;
  return true;
}

export function formatStatusLabel(status: string): string {
  if (status === 'active') {
    return resolveModeText('statusActive');
  }
  if (status === 'suspended') {
    return resolveModeText('statusSuspended');
  }
  if (status === 'unbound') {
    return resolveModeText('statusUnbound');
  }
  return status;
}

export function formatSceneLabel(mode: string): string {
  if (mode === 'business') {
    return resolveModeText('business');
  }
  if (mode === 'social') {
    return resolveModeText('social');
  }
  return mode;
}

function toastNone(title: string): void {
  uni.showToast({
    title,
    icon: 'none',
  });
}

/**
 * 页面提交：调用 applyScene，成功后回写状态
 */
export async function submitApplyScene(
  state: NfcModeState,
  api?: ApplySceneApi
): Promise<ApplySceneResult> {
  if (state.submitting) {
    return {
      ok: false,
      error: '',
      device: state.device,
    };
  }

  if (state.device != null) {
    state.device.uid = state.uid;
    state.device.cardId = state.cardId === '' ? null : state.cardId;
  }

  state.submitting = true;
  state.errorMessage = '';
  const result = await applyScene(
    {
      uid: state.uid,
      cardId: state.cardId,
      sceneMode: state.selectedMode,
      device: state.device,
    },
    api
  );
  state.submitting = false;

  if (!result.ok) {
    state.errorMessage = result.error;
    toastNone(result.error);
    return result;
  }

  if (result.device != null) {
    state.device = result.device;
    state.status = result.device.status;
    state.sceneMode = result.device.sceneMode;
    state.uid = result.device.uid;
    if (result.device.cardId != null && trimText(result.device.cardId) !== '') {
      state.cardId = String(result.device.cardId);
    }
  }
  toastNone(resolveModeText('applySuccess'));
  return result;
}