/**
 * 状态枚举常量（规范 §7-10, §22, §44-50, §66, §107）
 *
 * 全平台状态字符串统一在此定义，禁止页面散落魔法字符串。
 * 状态决定权限，权限决定路由，路由承载任务。
 */

// ============ 资料完成状态（规范 §7） ============
exports.PROFILE_COMPLETION = {
  NOT_STARTED: 'not_started',
  IN_PROGRESS: 'in_progress',
  COMPLETED: 'completed',
};

// ============ 资料审核状态（规范 §8） ============
exports.PROFILE_REVIEW = {
  NOT_SUBMITTED: 'not_submitted',
  PENDING: 'pending',
  APPROVED: 'approved',
  NEED_EDIT: 'need_edit',
  REJECTED: 'rejected',
};

// ============ 账号状态（规范 §9） ============
exports.ACCOUNT_STATUS = {
  NORMAL: 'normal',
  REVIEWING_RISK: 'reviewing_risk',
  LIMITED: 'limited',
  SUSPENDED: 'suspended',
  BANNED: 'banned',
  CLOSED: 'closed',
};

// ============ 婚恋服务状态（规范 §10） ============
exports.RELATIONSHIP_STATUS = {
  SEARCHING: 'searching',                 // 正在寻找
  GETTING_TO_KNOW: 'getting_to_know',      // 正在了解
  PAUSED: 'paused',                        // 暂停寻找
  MATCHED_SUCCESSFULLY: 'matched_successfully', // 成功牵手
  SERVICE_EXITED: 'service_exited',        // 退出婚恋服务
};

// ============ 推荐卡关系状态（规范 §22） ============
exports.RELATION_STATUS = {
  NEUTRAL: 'neutral',
  LIKED: 'liked',
  PASSED: 'passed',
  MUTUAL_MATCH: 'mutual_match',
  BLOCKED: 'blocked',
  UNMATCHED: 'unmatched',
};

// ============ 推荐列表加载状态（规范 §21） ============
exports.RECOMMENDATION_STATE = {
  IDLE: 'idle',
  LOADING: 'loading',
  LOADED: 'loaded',
  EMPTY: 'empty',
  FINISHED: 'finished',
  ERROR: 'error',
};

// ============ 活动状态（规范 §44） ============
exports.ACTIVITY_STATUS = {
  DRAFT: 'draft',
  REGISTRATION_OPEN: 'registration_open',
  REGISTRATION_CLOSED: 'registration_closed',
  ONGOING: 'ongoing',
  ENDED: 'ended',
  CANCELLED: 'cancelled',
};

// ============ 活动报名状态（规范 §45） ============
exports.REGISTRATION_STATUS = {
  NOT_APPLIED: 'not_applied',
  PENDING: 'pending',
  APPROVED: 'approved',
  REJECTED: 'rejected',
  CANCELLED: 'cancelled',
};

// ============ 活动签到状态（规范 §47） ============
exports.CHECKIN_STATUS = {
  NOT_CHECKED_IN: 'not_checked_in',
  CHECKED_IN: 'checked_in',
};

// ============ 红娘服务状态（规范 §49） ============
exports.MATCHMAKER_SERVICE_STATUS = {
  SUBMITTED: 'submitted',
  ASSIGNED: 'assigned',
  IN_SERVICE: 'in_service',
  WAITING_USER: 'waiting_user',
  COMPLETED: 'completed',
  CANCELLED: 'cancelled',
};

// ============ 红娘推荐状态（规范 §50） ============
exports.MATCHMAKER_RECOMMENDATION_STATUS = {
  PENDING_VIEW: 'pending_view',
  VIEWED: 'viewed',
  LIKED: 'liked',
  PASSED: 'passed',
  MUTUAL_MATCH: 'mutual_match',
  EXPIRED: 'expired',
};

// ============ 聊天连接状态（规范 §104） ============
exports.CHAT_CONNECTION = {
  DISCONNECTED: 'disconnected',
  CONNECTING: 'connecting',
  CONNECTED: 'connected',
  RECONNECTING: 'reconnecting',
};

// ============ 消息发送状态（规范 §107） ============
exports.MESSAGE_SEND_STATUS = {
  SENDING: 'sending',
  SENT: 'sent',
  FAILED: 'failed',
};

// ============ 图片状态（规范 §115） ============
exports.PHOTO_STATUS = {
  LOCAL: 'local',
  UPLOADING: 'uploading',
  UPLOADED: 'uploaded',
  FAILED: 'failed',
  REVIEW_PENDING: 'review_pending',
};

// ============ 聊天气泡类型（规范 §62） ============
exports.CHAT_BUBBLE_TYPE = {
  SELF: 'self',
  OTHER: 'other',
  SYSTEM: 'system',
};

// ============ 请求错误分类（规范 §79） ============
exports.REQUEST_ERROR = {
  NETWORK_ERROR: 'network_error',
  UNAUTHORIZED: 'unauthorized',
  FORBIDDEN: 'forbidden',
  BUSINESS_ERROR: 'business_error',
  SERVER_ERROR: 'server_error',
  MAINTENANCE: 'maintenance',
  RATE_LIMITED: 'rate_limited',
};

// ============ 业务错误码 → 用户可理解文案（规范 §80-84） ============
exports.BUSINESS_ERROR_CODE = {
  AUTH_EXPIRED: 'AUTH_EXPIRED',
  PROFILE_NOT_APPROVED: 'PROFILE_NOT_APPROVED',
  ACCOUNT_LIMITED: 'ACCOUNT_LIMITED',
  TARGET_UNAVAILABLE: 'TARGET_UNAVAILABLE',
  MATCH_REQUIRED: 'MATCH_REQUIRED',
  ACTIVITY_FULL: 'ACTIVITY_FULL',
  ACTIVITY_CLOSED: 'ACTIVITY_CLOSED',
  ALREADY_APPLIED: 'ALREADY_APPLIED',
  DUPLICATE_ACTION: 'DUPLICATE_ACTION',
};

// ============ 用户可理解文案映射 ============
exports.ERROR_USER_MESSAGE = {
  [exports.REQUEST_ERROR.NETWORK_ERROR]: '网络好像有点问题，请检查网络后重试',
  [exports.REQUEST_ERROR.UNAUTHORIZED]: '登录状态已过期，请重新登录',
  [exports.REQUEST_ERROR.FORBIDDEN]: '无权限访问该功能',
  [exports.REQUEST_ERROR.BUSINESS_ERROR]: '操作失败，请稍后重试',
  [exports.REQUEST_ERROR.SERVER_ERROR]: '服务暂时不可用，请稍后再试',
  [exports.REQUEST_ERROR.MAINTENANCE]: '平台正在维护，请稍后再试',
  [exports.REQUEST_ERROR.RATE_LIMITED]: '请求过于频繁，请稍后重试',
  [exports.BUSINESS_ERROR_CODE.AUTH_EXPIRED]: '登录状态已过期，请重新登录',
  [exports.BUSINESS_ERROR_CODE.PROFILE_NOT_APPROVED]: '当前资料尚未通过审核',
  [exports.BUSINESS_ERROR_CODE.ACCOUNT_LIMITED]: '账号已被限制，详情请查看账号状态',
  [exports.BUSINESS_ERROR_CODE.TARGET_UNAVAILABLE]: '该用户当前不可查看或联系',
  [exports.BUSINESS_ERROR_CODE.MATCH_REQUIRED]: '当前平台未提供用户间即时聊天功能',
  [exports.BUSINESS_ERROR_CODE.ACTIVITY_FULL]: '本次活动报名人数已满',
  [exports.BUSINESS_ERROR_CODE.ACTIVITY_CLOSED]: '本次活动报名已结束',
  [exports.BUSINESS_ERROR_CODE.ALREADY_APPLIED]: '你已经提交过申请',
  [exports.BUSINESS_ERROR_CODE.DUPLICATE_ACTION]: '操作已提交，请勿重复',
};

/**
 * 将后端错误码/请求错误分类映射为用户可理解文案
 * @param {string} code 错误码
 * @param {string} [fallback] 后端原始 message（作为兜底）
 * @returns {string} 用户可理解文案
 */
exports.mapErrorMessage = (code, fallback) => {
  return exports.ERROR_USER_MESSAGE[code] || fallback || '操作失败，请稍后重试';
};

// ============ 状态徽章文案映射（StatusBadge 组件复用） ============
exports.STATUS_BADGE = {
  VERIFIED: { label: '已实名', kind: 'success' },
  REVIEWED: { label: '已审核', kind: 'success' },
  REVIEWING: { label: '审核中', kind: 'warning' },
  NEED_EDIT: { label: '需修改', kind: 'warning' },
  SUCCESS: { label: '已完成', kind: 'success' },
  PENDING: { label: '待处理', kind: 'warning' },
  DANGER: { label: '高风险', kind: 'danger' },
  DISABLED: { label: '已停用', kind: 'disabled' },
  SERVICE: { label: '服务中', kind: 'info' },
};

// ============ 危险操作类型（Dialog/ConfirmDangerDialog 复用） ============
exports.DANGER_ACTION = {
  BLOCK: 'block',
  UNBLOCK: 'unblock',
  UNMATCH: 'unmatch',
  PAUSE: 'pause',
  SUCCESS_MATCH: 'success_match',
  LOGOUT: 'logout',
  CLOSE_ACCOUNT: 'close_account',
};