import { PrismaClient, MarketType } from '@prisma/client'

const prisma = new PrismaClient()

async function main() {
  // 创建默认用户
  const user = await prisma.user.upsert({
    where: { email: 'demo@portfolio.local' },
    update: {},
    create: {
      email: 'demo@portfolio.local',
      name: 'Demo User',
    },
  })

  // 创建各市场的账户
  const accounts = [
    { name: '港股账户', marketType: MarketType.HK, baseCurrency: 'HKD' },
    { name: '美股账户', marketType: MarketType.US, baseCurrency: 'USD' },
    { name: 'A股账户', marketType: MarketType.CN, baseCurrency: 'CNY' },
    { name: '加密货币账户', marketType: MarketType.CRYPTO, baseCurrency: 'USDT' },
  ]

  for (const acc of accounts) {
    await prisma.account.upsert({
      where: { id: `${user.id}-${acc.marketType}` },
      update: {},
      create: {
        id: `${user.id}-${acc.marketType}`,
        userId: user.id,
        name: acc.name,
        marketType: acc.marketType,
        baseCurrency: acc.baseCurrency,
        balance: 0,
      },
    })
  }

  // 初始化汇率（以 USD 为基准）
  const exchangeRates = [
    { fromCurrency: 'USD', toCurrency: 'USD', rate: 1, date: new Date('2026-01-01') },
    { fromCurrency: 'CNY', toCurrency: 'USD', rate: 0.137, date: new Date('2026-01-01') },
    { fromCurrency: 'HKD', toCurrency: 'USD', rate: 0.129, date: new Date('2026-01-01') },
    { fromCurrency: 'USDT', toCurrency: 'USD', rate: 1, date: new Date('2026-01-01') },
  ]

  for (const rate of exchangeRates) {
    await prisma.exchangeRate.upsert({
      where: {
        fromCurrency_toCurrency_effectiveDate: {
          fromCurrency: rate.fromCurrency,
          toCurrency: rate.toCurrency,
          effectiveDate: rate.date,
        },
      },
      update: {},
      create: {
        fromCurrency: rate.fromCurrency,
        toCurrency: rate.toCurrency,
        rate: rate.rate,
        effectiveDate: rate.date,
      },
    })
  }

  // 初始化常见证券
  const securities = [
    { symbol: '00700', name: '腾讯控股', market: MarketType.HK, currency: 'HKD', lotSize: 100, priceDecimals: 2, qtyDecimals: 0 },
    { symbol: '09988', name: '阿里巴巴', market: MarketType.HK, currency: 'HKD', lotSize: 100, priceDecimals: 2, qtyDecimals: 0 },
    { symbol: 'AAPL', name: 'Apple Inc.', market: MarketType.US, currency: 'USD', lotSize: 1, priceDecimals: 2, qtyDecimals: 0 },
    { symbol: 'MSFT', name: 'Microsoft Corp.', market: MarketType.US, currency: 'USD', lotSize: 1, priceDecimals: 2, qtyDecimals: 0 },
    { symbol: 'NVDA', name: 'NVIDIA Corp.', market: MarketType.US, currency: 'USD', lotSize: 1, priceDecimals: 2, qtyDecimals: 0 },
    { symbol: 'BTC', name: 'Bitcoin', market: MarketType.CRYPTO, currency: 'USDT', lotSize: 1, priceDecimals: 2, qtyDecimals: 8, isCrypto: true },
    { symbol: 'ETH', name: 'Ethereum', market: MarketType.CRYPTO, currency: 'USDT', lotSize: 1, priceDecimals: 2, qtyDecimals: 8, isCrypto: true },
  ]

  for (const sec of securities) {
    await prisma.security.upsert({
      where: { symbol: sec.symbol },
      update: {},
      create: sec,
    })
  }

  console.log('Seed completed:', { user, accountsCreated: accounts.length })
}

main()
  .catch((e) => {
    console.error(e)
    process.exit(1)
  })
  .finally(async () => {
    await prisma.$disconnect()
  })