// API 层 - 对接后端 SRDE，支持模拟数据
const USE_MOCK = true;
const BASE_URL = 'https://your-api.com'; // 对接时改为真实地址

function getToken(): string {
  return wx.getStorageSync('srde_token') || '';
}

export function request<T>(opt: { url: string; method?: string; data?: object }): Promise<T> {
  if (USE_MOCK) return Promise.reject(new Error('MOCK模式'));
  const token = getToken();
  return new Promise((resolve, reject) => {
    wx.request({
      url: BASE_URL + (opt.url.startsWith('/') ? opt.url : '/' + opt.url),
      method: (opt.method as any) || 'GET',
      data: opt.data,
      header: {
        'Content-Type': 'application/json',
        ...(token ? { Authorization: `Bearer ${token}` } : {}),
      },
      success: (res) => {
        if ((res.statusCode || 0) >= 200 && (res.statusCode || 0) < 300) {
          resolve(res.data as T);
        } else reject(new Error((res.data as any)?.detail || '请求失败'));
      },
      fail: reject,
    });
  });
}

export function setMockMode(use: boolean) {
  (global as any).__SRDE_USE_MOCK__ = use;
}

export function isMockMode(): boolean {
  return USE_MOCK || !!(global as any).__SRDE_USE_MOCK__;
}

export const mockAccount = {
  total_capital: 100000,
  current_capital: 98500,
  current_drawdown: 1.5,
  max_drawdown: 5.2,
  consecutive_losses: 1,
  trading_locked_until: null as string | null,
  status: 'tradable' as 'tradable' | 'compressed' | 'locked',
  daily_risk_limit: 2000,
  single_risk_limit: 1000,
};

export const mockTrades = [
  { id: '1', symbol: 'BTCUSDT', direction: 'long', entry_price: 42000, status: 'open', position_size: 0.5 },
  { id: '2', symbol: 'ETHUSDT', direction: 'short', entry_price: 2200, status: 'closed', pnl: -120 },
  { id: '3', symbol: 'SOLUSDT', direction: 'long', entry_price: 98, status: 'closed', pnl: 85 },
];

export const mockStats = {
  win_rate: 62,
  avg_odds: 1.8,
  profit_factor: 2.1,
  max_drawdown: 5.2,
  risk_score: 72,
  equity_curve: [100000, 101200, 99800, 100500, 102100, 100800, 98500],
};