/**
 * 组合/持仓/交易类型定义（与后端 DTO 对齐）
 */

// 货币类型
export type CurrencyCode = 'CNY' | 'USD' | 'HKD' | 'EUR' | 'GBP' | 'JPY' | 'SGD' | 'AUD';

// 资产类型
export type AssetType = 'Stock' | 'Crypto' | 'Fund' | 'ETF';

// ===== 创建组合 =====

export interface StockItem {
  name?: string;
  code?: string;
  price: number;
  amount: number;
  date?: string;
  currency?: string;
  assetType: AssetType;
}

export interface CreatePortfolioRequest {
  name?: string;
  strategyId?: string;
  currency?: string;
  stocks?: StockItem[];
}

export interface CreatePortfolioResponse {
  id?: string;
  totalValue: number;
  returnRate: number;
  currency?: string;
  createdAt?: string;
}

// ===== 更新组合 =====

export interface UpdatePortfolioRequest {
  name?: string;
  strategyId?: string;
  status?: string;
}

// ===== 组合列表 =====

export interface PortfolioListItem {
  id?: string;
  name?: string;
  tags?: string;
  status?: string;
  statusType?: string;
  iconChar?: string;
  iconBgClass?: string;
  iconTextClass?: string;
  value: number;
  currency?: string;
  returnRate: number;
  returnType?: string;
  todayProfit: number;
  todayProfitCurrency?: string;
}

export interface GetPortfoliosResponse {
  items?: PortfolioListItem[];
}

// ===== 组合详情 =====

export interface StrategyInfo {
  id?: string;
  name?: string;
  description?: string;
}

export interface PositionItem {
  id?: string;
  stockCode?: string;
  stockName?: string;
  symbol?: string;
  amount: number;
  averagePrice: number;
  currentPrice: number;
  totalValue: number;
  profit: number;
  profitRate: number;
  changeAmount: number;
  ratio: number;
  deviationRatio: number;
  currency?: string;
}

export interface PortfolioDetailResponse {
  id?: string;
  name?: string;
  currency?: string;
  status?: string;
  strategy?: StrategyInfo;
  portfolioValue: number;
  totalReturn: number;
  todayProfit: number;
  historicalChange: number;
  dailyVolatility: number;
  todayProfitCurrency?: string;
  logicModel?: string;
  logicModelStatus?: string;
  logicModelDescription?: string;
  totalItems: number;
  totalRatio: number;
  positions?: PositionItem[];
}

// ===== 交易相关 =====

export interface TransactionItem {
  id?: string;
  portfolioId?: string;
  date?: string;
  time?: string;
  type?: string;
  title?: string;
  stockCode?: string;
  amount: number;
  currency?: string;
  status?: string;
  remark?: string;
}

export interface GetTransactionsRequest {
  portfolioId?: string;
  limit: number;
  offset: number;
}

export interface GetTransactionsResponse {
  items?: TransactionItem[];
  total: number;
  page: number;
  pageSize: number;
}

export interface CreateTransactionRequest {
  portfolioId?: string;
  type?: string;
  stockCode?: string;
  amount: number;
  price: number;
  currency?: string;
  remark?: string;
  assetType: AssetType;
  transactionTime?: string;
  transactionDate?: string;
}

export interface CreateTransactionResponse {
  id?: string;
  totalAmount: number;
  status?: string;
  createdAt?: string;
}

// ===== 总资产 =====

export interface TotalAssetsResponse {
  totalValue: number;
  currency?: string;
  todayProfit: number;
  todayProfitCurrency?: string;
  totalReturnRate: number;
}

// ===== 净值历史 =====

export interface NavHistoryRequest {
  startDate?: string;
  endDate?: string;
  interval?: string;
}

export interface NavHistoryItem {
  date?: string;
  nav: number;
  totalValue: number;
  totalCost: number;
  dailyReturn: number;
  cumulativeReturn: number;
}

export interface NavStatistics {
  maxReturn: number;
  minReturn: number;
  maxDrawdown: number;
  sharpeRatio: number;
  volatility: number;
  totalReturn: number;
  tradingDays: number;
}

export interface NavHistoryResponse {
  portfolioId?: string;
  currency?: string;
  navHistory?: NavHistoryItem[];
  statistics?: NavStatistics;
}

export interface BackfillNavRequest {
  portfolioId?: string;
  force: boolean;
}

export interface BackfillNavResponse {
  portfolioId?: string;
  recordsCreated: number;
  startDate?: string;
  endDate?: string;
  message?: string;
}