/**
 * 业务类型定义（规范 §134 types 目录）
 *
 * 统一存放 User / Profile / PartnerPreference / MatchRelation / Conversation /
 * Activity / MatchmakerService / Report 等核心类型。
 * 配合 package.json 的 `tsc --noEmit` 提供 IntelliSense 与类型检查。
 * 状态字符串引用 constants/statusEnums.js 的同名常量，避免魔法字符串。
 */

// ============ 统一 API 响应（规范 §1 API 规范） ============
export interface ApiResponse<T = unknown> {
  success: boolean;
  code: string;
  message: string;
  data: T;
  requestId?: string;
}

export interface ApiError {
  code: string;
  message: string;
  requestId?: string;
  /** 原始错误（仅 NETWORK_ERROR 携带） */
  error?: unknown;
}

// ============ User / Profile（规范 §107-108） ============
export interface User {
  userId: string;
  displayName: string;            // 前台显示：王女士
  age: number;                    // 前台显示：32
  heightCm?: number;
  regionName: string;             // 前台显示：丹阳
  educationCode?: string;         // 本科 / 大专 / 硕士 等
  occupationCode?: string;        // 教师 / 制造业 等（不公开 XX公司XX部门）
  maritalStatus?: MaritalStatus;
  avatarUrl?: string;
  verified?: boolean;             // 已实名
  reviewed?: boolean;             // 已审核
  photoUrls?: string[];
}

export type MaritalStatus = 'never_married' | 'divorced' | 'widowed';

export interface Profile {
  userId: string;
  displayName: string;
  avatarUrl?: string;
  photoUrls: string[];
  birthDate?: string;             // 服务端存储完整，前台只显示 age
  heightCm?: number;
  regionName: string;
  educationCode?: string;
  occupationCode?: string;
  maritalStatus: MaritalStatus;
  hasChildren: boolean;
  smoking: boolean;
  drinking?: DrinkingHabit;
  interests: string[];
  intro: string;                  // 自我介绍
  intent: RelationshipIntent;     // 婚恋态度
}

export type DrinkingHabit = 'never' | 'occasionally' | 'frequently';

export type RelationshipIntent =
  | 'serious_marriage'      // 认真找对象结婚
  | 'getting_to_know'        // 先了解
  | 'open_minded';           // 顺其自然

// ============ PartnerPreference（择偶条件，规范 §30） ============
export interface PartnerPreference {
  ageMin: number;
  ageMax: number;
  ageImportance: PreferenceImportance;   // 必须符合 / 最好符合
  heightMin?: number;
  heightMax?: number;
  heightImportance: PreferenceImportance;
  region: string[];                       // [丹阳]
  regionImportance: PreferenceImportance;
  maritalStatusAccepted: MaritalStatus[];
  educationAccepted: string[];            // [不限/大专+/本科+]
  acceptChildren: 'any' | 'accept' | 'reject';
  intentAligned: boolean;                 // 婚恋计划一致
}

export type PreferenceImportance = 'required' | 'preferred';  // 必须符合 / 最好符合

// ============ MatchRelation / Recommendation（规范 §22-25, §107-108） ============
export type RelationStatus =
  | 'neutral'
  | 'liked'
  | 'passed'
  | 'mutual_match'
  | 'blocked'
  | 'unmatched';

export interface Recommendation extends User {
  recommendationReasons: string[];   // 最多 3~4 条，弱文字
  recommendationLevel?: 'high' | 'medium' | 'normal';
  relationStatus: RelationStatus;
  likeStatus?: 'liked' | 'passed';
}

export interface LikeResult {
  relationStatus: RelationStatus;
  mutualMatch: boolean;
  matchedConversationId?: string;
}

// ============ Conversation / Message（规范 §35-38, §61-63） ============
export interface Conversation {
  conversationId: string;
  targetUserId: string;
  targetDisplayName: string;
  targetAvatarUrl?: string;
  lastMessage?: string;
  lastMessageAt?: number;            // 服务端时间戳
  unreadCount: number;
  relationStatus: RelationStatus;
  canSendMessage: boolean;          // 仅 mutual_match + 双方正常 + 未拉黑 + 未解除
}

export type MessageSendStatus = 'sending' | 'sent' | 'failed';
export type ChatBubbleType = 'self' | 'other' | 'system';

export interface Message {
  messageId: string;                 // 前端去重依据（规范 §106）
  conversationId: string;
  senderId: string;
  bubbleType: ChatBubbleType;
  content: string;
  sentAt: number;
  sendStatus?: MessageSendStatus;    // 本地消息状态
}

// ============ Activity（规范 §43-46） ============
export type ActivityStatus =
  | 'draft'
  | 'registration_open'
  | 'registration_closed'
  | 'ongoing'
  | 'ended'
  | 'cancelled';

export type RegistrationStatus =
  | 'not_applied'
  | 'pending'
  | 'approved'
  | 'rejected'
  | 'cancelled';

export interface Activity {
  activityId: string;
  title: string;
  coverUrl?: string;
  startAt: number;
  endAt: number;
  location: string;
  organizer: string;                // 主办单位
  suitableFor?: string;              // 适合人群
  intro: string;
  schedule?: string;
  notes?: string;
  feeType: 'free' | 'paid';         // 前台重点突出 公益免费
  status: ActivityStatus;
  capacity?: number;
}

// ============ MatchmakerService（规范 §48-50） ============
export type MatchmakerServiceStatus =
  | 'submitted'
  | 'assigned'
  | 'in_service'
  | 'waiting_user'
  | 'completed'
  | 'cancelled';

export type MatchmakerRecommendationStatus =
  | 'pending_view'
  | 'viewed'
  | 'liked'
  | 'passed'
  | 'mutual_match'
  | 'expired';

export interface MatchmakerService {
  serviceId: string;
  userId: string;
  matchmakerId?: string;
  matchmakerName?: string;
  matchmakerOrg?: string;            // 所属公益机构
  status: MatchmakerServiceStatus;
  requirement: string;
  lastFollowUpAt?: number;
}

export interface MatchmakerRecommendation extends User {
  serviceId: string;
  recommendationStatus: MatchmakerRecommendationStatus;
  recommendReason: string;
}

// ============ Report（规范 §41-42） ============
export type ReportType = 'fraud' | 'harassment' | 'ad' | 'inappropriate' | 'other';
export type RiskLevel = 'normal' | 'attention' | 'high' | 'banned';

export interface Report {
  reportId: string;
  targetUserId: string;
  type: ReportType;
  reason: string;
  evidencePhotoUrls?: string[];
  submittedAt: number;
  status: 'pending' | 'processing' | 'resolved';
}

// ============ 全局用户状态聚合（规范 §6, §141） ============
export interface UserState {
  isLoggedIn: boolean;
  hasPhone: boolean;
  isRealNameVerified: boolean;
  profileCompletionStatus: 'not_started' | 'in_progress' | 'completed';
  profileReviewStatus: 'not_submitted' | 'pending' | 'approved' | 'need_edit' | 'rejected';
  accountStatus: 'normal' | 'reviewing_risk' | 'limited' | 'suspended' | 'banned' | 'closed';
  relationshipStatus: 'searching' | 'getting_to_know' | 'paused' | 'matched_successfully' | 'service_exited';
  recommendationEnabled: boolean;
  searchVisibility: boolean;
  matchmakerEnabled: boolean;
  activityRecommendationEnabled: boolean;
}

// ============ 隐私设置（规范 §59） ============
export interface PrivacySettings {
  visibleInRecommendations: boolean;
  visibleInSearch: boolean;
  showOccupation: boolean;
  showLifestylePhotos: boolean;
  receiveActivityRecommendations: boolean;
  acceptMatchmakerRecommendations: boolean;
}