generator client {
  provider = "prisma-client-js"
}

datasource db {
  provider = "mysql"
  url      = env("DATABASE_URL")
}

// 市场指数
model MarketIndex {
  id            Int      @id @default(autoincrement())
  name          String   @unique
  code          String   @unique
  current       Float
  change        Float
  changePercent Float
  volume        BigInt
  turnover      BigInt
  updatedAt     DateTime @updatedAt
  createdAt     DateTime @default(now())

  @@index([code])
  @@map("market_indices")
}

// 版块信息
model Sector {
  id        String   @id @default(uuid())
  name      String   @unique
  code      String   @unique
  stocks    Stock[]
  quotes    SectorQuote[]
  klines    SectorKLine[]
  updatedAt DateTime @updatedAt
  createdAt DateTime @default(now())

  @@index([code])
  @@map("sectors")
}

// 版块行情
model SectorQuote {
  id            Int      @id @default(autoincrement())
  sectorCode    String   @map("sector_code")
  sector        Sector   @relation(fields: [sectorCode], references: [code])
  current       Float
  change        Float
  changePercent Float
  volume        BigInt
  turnover      BigInt
  momentumScore Float    @default(50)
  rank          Int      @default(0)
  previousRank  Int      @default(0) @map("previous_rank")
  quoteTime     DateTime @map("quote_time")
  
  @@index([sectorCode])
  @@index([quoteTime])
  @@map("sector_quotes")
}

// 版块K线数据
model SectorKLine {
  id       Int    @id @default(autoincrement())
  sectorCode String @map("sector_code")
  sector   Sector @relation(fields: [sectorCode], references: [code])
  period   String // day/week/month
  date     DateTime
  open     Float
  high     Float
  low      Float
  close    Float
  volume   BigInt

  @@unique([sectorCode, period, date])
  @@index([sectorCode])
  @@index([date])
  @@map("sector_klines")
}

// 股票信息
model Stock {
  id         String   @id @default(uuid())
  code       String   @unique
  name       String
  sectorCode String?  @map("sector_code")
  sector     Sector?  @relation(fields: [sectorCode], references: [code])
  marketCap  BigInt?  @map("market_cap")
  pe         Float?
  pb         Float?
  quotes     StockQuote[]
  klines     StockKLine[]
  favorites  UserFavorite[]
  updatedAt  DateTime @updatedAt
  createdAt  DateTime @default(now())

  @@index([code])
  @@index([sectorCode])
  @@map("stocks")
}

// 股票行情
model StockQuote {
  id            Int      @id @default(autoincrement())
  stockCode     String   @map("stock_code")
  stock         Stock    @relation(fields: [stockCode], references: [code])
  price         Float
  open          Float
  high          Float
  low           Float
  preClose      Float    @map("pre_close")
  volume        BigInt
  turnover      BigInt
  changePercent Float    @map("change_percent")
  turnoverRate  Float?   @map("turnover_rate")
  amplitude     Float?
  quoteTime     DateTime @map("quote_time")

  @@index([stockCode])
  @@index([quoteTime])
  @@map("stock_quotes")
}

// 股票K线数据
model StockKLine {
  id     Int    @id @default(autoincrement())
  stockCode String @map("stock_code")
  stock  Stock  @relation(fields: [stockCode], references: [code])
  period String // day/week/month
  date   DateTime
  open   Float
  high   Float
  low    Float
  close  Float
  volume BigInt
  ma5    Float?
  ma10   Float?
  ma20   Float?
  ma30   Float?
  ma60   Float?

  @@unique([stockCode, period, date])
  @@index([stockCode])
  @@index([date])
  @@map("stock_klines")
}

// 用户
model User {
  id        String   @id @default(uuid())
  username  String   @unique
  email     String   @unique
  password  String
  favorites UserFavorite[]
  createdAt DateTime @default(now()) @map("created_at")
  updatedAt DateTime @updatedAt @map("updated_at")

  @@map("users")
}

// 用户自选股
model UserFavorite {
  id        Int      @id @default(autoincrement())
  userId    String   @map("user_id")
  user      User     @relation(fields: [userId], references: [id], onDelete: Cascade)
  stockCode String   @map("stock_code")
  stock     Stock    @relation(fields: [stockCode], references: [code])
  createdAt DateTime @default(now()) @map("created_at")

  @@unique([userId, stockCode])
  @@index([userId])
  @@map("user_favorites")
}

// 新高新低股票记录
model HighLowStock {
  id           Int      @id @default(autoincrement())
  stockCode    String   @map("stock_code")
  type         String   // high/low
  price        Float
  date         DateTime
  daysToHighLow Int     @map("days_to_highlow")
  createdAt    DateTime @default(now()) @map("created_at")

  @@index([stockCode])
  @@index([type])
  @@index([date])
  @@map("high_low_stocks")
}

// 动量股票推荐
model MomentumStock {
  id            Int      @id @default(autoincrement())
  stockCode     String   @map("stock_code")
  momentumScore Float    @map("momentum_score")
  tags          String?  // JSON array
  volumeRatio   Float    @map("volume_ratio")
  breakThrough  Boolean  @default(false) @map("break_through")
  date          DateTime
  createdAt     DateTime @default(now()) @map("created_at")

  @@index([stockCode])
  @@index([date])
  @@map("momentum_stocks")
}