import type { Candle, IntradayPoint, QuoteData } from '../types'

function buildIntraday(): IntradayPoint[] {
  const points: IntradayPoint[] = []
  let price = 948
  const slots = [
    { start: '21:00', count: 30 },
    { start: '09:00', count: 40 },
    { start: '10:30', count: 20 },
    { start: '13:30', count: 35 },
  ]
  for (const slot of slots) {
    const [h, m] = slot.start.split(':').map(Number)
    for (let i = 0; i < slot.count; i++) {
      const mm = m + i
      const hh = h + Math.floor(mm / 60)
      const min = mm % 60
      const t = `${String(hh).padStart(2, '0')}:${String(min).padStart(2, '0')}`
      price += (Math.random() - 0.55) * 1.2
      points.push({
        time: t,
        price: Number(price.toFixed(2)),
        avg: Number((price + 0.4).toFixed(2)),
        volume: Math.floor(Math.random() * 800 + 50),
      })
    }
  }
  return points
}

function buildCandles(count = 40): Candle[] {
  const candles: Candle[] = []
  let close = 950
  for (let i = 0; i < count; i++) {
    const open = close
    const change = (Math.random() - 0.5) * 12
    close = Number((open + change).toFixed(2))
    const high = Number((Math.max(open, close) + Math.random() * 4).toFixed(2))
    const low = Number((Math.min(open, close) - Math.random() * 4).toFixed(2))
    candles.push({
      date: `05-${String((i % 28) + 1).padStart(2, '0')}`,
      open,
      close,
      low,
      high,
      volume: Math.floor(Math.random() * 20000 + 3000),
    })
  }
  return candles
}

export const quoteMock: QuoteData = {
  name: '玻璃2609',
  code: 'FG609',
  exchange: '郑商所',
  status: '休市',
  last: 936.0,
  change: -13.0,
  changePercent: -1.37,
  open: 948.0,
  high: 949.0,
  low: 934.0,
  prevClose: 949.0,
  settlement: 949.0,
  prevSettlement: 949.0,
  avg: 940.0,
  volume: 825643,
  amount: 77.72,
  openInterest: 673892,
  amplitude: 1.58,
  outerVol: 412331,
  innerVol: 413312,
  updatedAt: '11:30:00',
  // 买档量 1503 / 卖档量 1365 → 约 52% / 48%
  buyRatio: 52,
  sellRatio: 48,
  intraday: buildIntraday(),
  candles: {
    day: buildCandles(60),
    week: buildCandles(40),
    month: buildCandles(24),
  },
  orderBook: {
    asks: [
      { level: 5, price: 938.0, volume: 312 },
      { level: 4, price: 937.0, volume: 198 },
      { level: 3, price: 936.0, volume: 456 },
      { level: 2, price: 935.0, volume: 221 },
      { level: 1, price: 934.0, volume: 178 },
    ],
    bids: [
      { level: 1, price: 933.0, volume: 265 },
      { level: 2, price: 932.0, volume: 340 },
      { level: 3, price: 931.0, volume: 189 },
      { level: 4, price: 930.0, volume: 412 },
      { level: 5, price: 929.0, volume: 297 },
    ],
  },
  trades: [
    { time: '11:30', price: 936.0, volume: 1, side: 'B' },
    { time: '11:30', price: 936.0, volume: 23, side: 'B' },
    { time: '11:29', price: 935.0, volume: 2, side: 'S' },
    { time: '11:29', price: 935.0, volume: 8, side: 'B' },
    { time: '11:28', price: 936.0, volume: 15, side: 'S' },
    { time: '11:28', price: 936.0, volume: 4, side: 'B' },
    { time: '11:27', price: 937.0, volume: 11, side: 'S' },
    { time: '11:27', price: 936.0, volume: 6, side: 'B' },
    { time: '11:26', price: 935.0, volume: 19, side: 'S' },
    { time: '11:26', price: 934.0, volume: 3, side: 'B' },
    { time: '11:25', price: 935.0, volume: 27, side: 'S' },
    { time: '11:25', price: 936.0, volume: 9, side: 'B' },
    { time: '11:24', price: 936.0, volume: 5, side: 'B' },
    { time: '11:24', price: 935.0, volume: 7, side: 'S' },
    { time: '11:23', price: 935.0, volume: 45, side: 'S' },
    { time: '11:23', price: 934.0, volume: 38, side: 'B' },
  ],
}