export enum TransactionType {
  EXPENSE = 'expense',
  INCOME = 'income',
}

export enum ExpenseCategory {
  FOOD = '餐饮',
  SHOPPING = '购物',
  TRANSPORT = '交通',
  HOUSING = '住房',
  ENTERTAINMENT = '娱乐',
  MEDICAL = '医疗',
  SOCIAL = '人情',
  EDUCATION = '学习',
  FINANCE = '金融',
  CHILD = '孩子',
  PET = '宠物',
  CAR = '汽车',
  BEAUTY = '美容',
  BUSINESS = '经营',
  MISC = '杂项',
}

export enum IncomeCategory {
  SALARY = '工资',
  BONUS = '奖金',
  INVESTMENT = '理财',
  PARTTIME = '兼职',
  GIFT = '红包',
  OTHER = '其他收入',
}

export interface Transaction {
  id: string;
  item: string;
  amount: number;
  type: TransactionType;
  category: string; // Takes values from ExpenseCategory or IncomeCategory
  date: string; // ISO string YYYY-MM-DD
  timestamp: number;
}

export interface Message {
  id: string;
  role: 'user' | 'assistant';
  content: string;
  timestamp: number;
  relatedTransactionId?: string; // If this message created a transaction
}

export interface BillReminder {
  id: string;
  title: string;
  amount?: number; // Made optional
  frequency: 'monthly' | 'once';
  targetDate: string; // 'DD' (e.g. "15") for monthly, or 'YYYY-MM-DD' for once
  isCompleted: boolean;
}

// Global augmentation for Web Speech API
declare global {
  interface Window {
    SpeechRecognition: any;
    webkitSpeechRecognition: any;
  }
}

export interface DailyStat {
  date: string;
  total: number;
  breakdown: { name: string; value: number; fill: string }[];
}