types.ts

export type Language = 'zh' | 'en';

export enum LogType {
  FEEDING = 'FEEDING',
  DIAPER = 'DIAPER',
  CARE = 'CARE',
  PLAY = 'PLAY',
  WEIGHT = 'WEIGHT',
  MILESTONE = 'MILESTONE'
}

export type MemberRole = 'MOM' | 'DAD' | 'PARENTS_TOGETHER' | 'GRANDMOM_MATERNAL' | 'GRANDDAD_MATERNAL' | 'GRANDMOM_PATERNAL' | 'GRANDDAD_PATERNAL' | 'NANNY' | 'OTHER';

export type Gender = 'BOY' | 'GIRL';

export interface UserProfile {
  uid: string;
  username: string;
  email: string;
  role: MemberRole;
  customRole?: string;
  familyId: string;
  accessLevel?: 'user' | 'admin';
}

export interface FamilyProfile {
  id?: string; // Firestore ID
  familyName: string;
  fatherName: string;
  motherName: string;
  babyName: string;
  babyBirthDate: Date;
  babyGender: Gender;
  babyWeight?: number; // Weight in KG
  inviteCode: string; // Account linking code
  birthGestationalWeeks?: number; // Weeks (e.g., 36)
  birthGestationalDays?: number; // Days (0-6)
}

export enum FeedingMethod {
  BREAST_BOTTLE = '瓶喂母乳',
  FORMULA = '配方奶',
  MIXED = '混合喂养',
  NURSING = '亲喂'
}

export enum DiaperContent {
  PEE = '嘘嘘',
  POO = '便便'
}

export enum DiaperAbnormality {
  NONE = '无异常',
  DIARRHEA = '拉肚子',
  CONSTIPATION = '便秘',
  OTHER = '其他'
}

export enum CareActivity {
  BATH = '洗澡',
  NAILS = '剪指甲',
  MASSAGE = '按摩',
  TEMPERATURE = '体温检测',
  MEDICINE = '用药',
  UMBILICAL = '脐带护理',
  SKIN_CARE = '皮肤护理',
  BUTT_CARE = '屁屁护理',
  SLEEP = '哄睡'
}

export enum PlayActivity {
  READING = '阅读',
  PLAYING = '玩耍',
  OUTDOOR = '户外活动',
  WALKING = '散步',
  DRIVING = '开车兜风',
  EATING_OUT = '带宝宝吃饭',
  TUMMY_TIME = '俯卧撑(Tummy Time)'
}

export interface BaseLog {
  id: string;
  familyId?: string; // Link to family
  timestamp: Date;
  type: LogType;
  note: string;
  author?: MemberRole; // Keep for compatibility
  authors: MemberRole[]; // New field for multiple participants
  authorCustomRole?: string;
}

export interface FeedingLog extends BaseLog {
  type: LogType.FEEDING;
  method: FeedingMethod;
  amount: number; // in ml
}

export interface DiaperLog extends BaseLog {
  type: LogType.DIAPER;
  contents: DiaperContent[]; // Can be both pee and poo
  abnormality: DiaperAbnormality;
}

export interface CareLog extends BaseLog {
  type: LogType.CARE;
  activities: CareActivity[];
}

export interface PlayLog extends BaseLog {
  type: LogType.PLAY;
  activities: PlayActivity[];
}

export interface WeightLog extends BaseLog {
  type: LogType.WEIGHT;
  weight: number; // in KG (standard storage unit)
}

export interface MilestoneLog extends BaseLog {
  type: LogType.MILESTONE;
  title: string;
  description?: string;
}

export type BabyLog = FeedingLog | DiaperLog | CareLog | PlayLog | WeightLog | MilestoneLog;

export type ViewMode = 'daily' | 'monthly';

export interface ChatMessage {
  id: string;
  role: 'user' | 'model';
  text: string;
  timestamp: Date;
  draftLog?: Partial<BabyLog>; // For AI to propose a log creation
}

export interface ChatSession {
  id: string;
  familyId: string;
  userId: string;
  title: string;
  createdAt: Date;
  updatedAt: Date;
  messages: ChatMessage[];
}

// --- New Types for Planning Mode ---

export enum PlanStatus {
  PENDING = 'PENDING',
  COMPLETED = 'COMPLETED',
  SKIPPED = 'SKIPPED'
}

export interface PlanItem {
  id: string;
  familyId?: string; // Link to family
  type: LogType;
  time: Date;
  assignee?: MemberRole | 'BOTH'; // Keep for compatibility
  assignees: MemberRole[]; // New field for multiple participants
  status: PlanStatus;
  note: string;
  linkedLogId?: string; // If completed, points to the actual log
}

export enum FeedbackCategory {
  UI = '界面',
  FUNCTION = '功能',
  DATA = '数据',
  OTHER = '其他'
}

export enum FeedbackActionType {
  NEW = '新增',
  OPTIMIZATION = '优化'
}

export interface FeedbackItem {
  id: string;
  content: string;
  category?: FeedbackCategory;
  actionType?: FeedbackActionType;
  isCompleted: boolean;
  createdAt: Date;
  createdBy: string; // User ID
  familyId: string;
}

// --- Requirement Management Types ---

export enum RequirementPriority {
  P0 = 'P0',
  P1 = 'P1',
  P2 = 'P2',
  P3 = 'P3'
}

export enum RequirementStatus {
  PENDING = 'PENDING',
  COMPLETED = 'COMPLETED'
}

export enum RequirementCategory {
  INTERFACE = 'INTERFACE',
  FUNCTION = 'FUNCTION',
  DATA = 'DATA',
  OTHER = 'OTHER'
}

export enum RequirementType {
  NEW = 'NEW',
  OPTIMIZATION = 'OPTIMIZATION'
}

export interface Requirement {
  id: string;
  content: string;
  category: RequirementCategory;
  type: RequirementType;
  priority: RequirementPriority;
  status: RequirementStatus;
  createdBy: string;
  createdAt?: Date;
}

export enum AchievementCategory {
  FAMILY = 'FAMILY',
  INDIVIDUAL = 'INDIVIDUAL',
  BABY = 'BABY'
}

export enum AchievementTier {
  BRONZE = 'BRONZE',
  SILVER = 'SILVER',
  GOLD = 'GOLD',
  PLATINUM = 'PLATINUM',
  DIAMOND = 'DIAMOND'
}

export interface Achievement {
  id: string;
  key: string; 
  tier: AchievementTier;
  category: AchievementCategory;
  threshold: number;
  title: string;
  titleEn: string;
  description: string;
  descriptionEn: string;
  icon: string; 
  color: string; 
  explanation?: string;
  encouragement?: string;
  role?: MemberRole;
}

export interface EarnedMedal {
  id: string;
  achievementId: string;
  userId?: string; 
  familyId: string;
  earnedAt: Date;
}