// ── Vue Router meta 类型扩展 ───────────────────────────
declare module "vue-router" {
  interface RouteMeta {
    title?: string;
    requiresAuth?: boolean;
    guestOnly?: boolean;
  }
}

// ── 用户 ──────────────────────────────────────────────

export interface User {
  email: string;
  token: string;
  uid?: string;
}

// ── 行情 ──────────────────────────────────────────────

export type MarketType = "futures" | "spot";

export interface MarketItem {
  symbol: string; // e.g. "BTC/USDT"
  name: string; // e.g. "比特币"
  type: "futures" | "spot";
  icon: string; // coin icon url
  price: number;
  change24h: number; // 百分比，如 +21.26
  high24h: number;
  low24h: number;
  volume24h: number; // 成交量
  stockType: number; // 股票类型
}

export interface CoinDetail {
  symbol: string;
  name: string;
  icon: string;
  marketCap: string;
  circulatingSupply: string;
  totalSupply: string;
  allTimeHigh: number;
  currentPrice: number;
  priceChange: number;
  priceChangePct: number;
  stats: PeriodStat[];
  chartData: ChartPoint[];
}

export interface PeriodStat {
  label: string; // 近1年 / 3个月 / 30天 / 7天
  changePct: number;
  price: number;
}

export interface ChartPoint {
  time: string;
  price: number;
}

export type ChartRange = "24h" | "1w" | "1m" | "1y";

// ── 公告 ──────────────────────────────────────────────

export interface Announcement {
  id: string | number;
  title: string;
  content?: string;
  publishedAt: string; // ISO string
  author?: string;
}

// ── VIP 费率 ──────────────────────────────────────────

export interface VipTier {
  level: string; // VIP1 ~ VIP5
  minHolding: number; // 最低持仓 USDT
  spotMaker: number;
  spotTaker: number;
  futuresMaker: number;
  futuresTaker: number;
}

// ── 导航 ──────────────────────────────────────────────

export interface NavItem {
  label: string;
  to: string;
}

// ── 资产 ──────────────────────────────────────────────

export interface AssetItem {
  coin: string; // e.g. "BTC"
  name: string; // e.g. "比特币"
  available: number; // 可用
  frozen: number; // 冻结
  usdtValue: number; // 折合 USDT
}

export interface AssetOverview {
  totalUsdt: number;
  totalCny: number;
  assets: AssetItem[];
}

export type TransferAccount = "fund" | "futures" | "copy";