// This is your Prisma schema file,
// learn more about it in the docs: https://pris.ly/d/prisma-schema

// Get a free hosted Postgres database in seconds: `npx create-db`

generator client {
  provider = "prisma-client"
  output   = "../generated/prisma"
}

datasource db {
  provider = "mysql"
}

model User {
  id        Int      @id @default(autoincrement())
  name      String
  email     String   @unique
  password  String
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
}

model Article {
  id        Int      @id @default(autoincrement())
  title     String
  slug      String   @unique
  content   String
  date      String
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
}

model Strategy {
  id          Int      @id @default(autoincrement())
  name        String
  description String
  data        Json
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt
}

model Indicator {
  id          Int              @id @default(autoincrement())
  name        String           @unique
  groupName   String
  title       String           @default("")
  unit        String           @default("")
  source      String           @default("")
  frequency   String           @default("month") // year | quarter | month | day
  hidden      Boolean          @default(false)   // true = 数据/脚本保留, 但不在前端展示
  points      IndicatorPoint[]
  createdAt   DateTime         @default(now())
  updatedAt   DateTime         @updatedAt
}

model IndicatorPoint {
  id          Int       @id @default(autoincrement())
  indicatorId Int
  indicator   Indicator @relation(fields: [indicatorId], references: [id], onDelete: Cascade)
  period      String    // "2024" | "2024-Q1" | "2024-01" | "2024-01-15"
  value       Float
  createdAt   DateTime  @default(now())
  updatedAt   DateTime  @updatedAt

  @@unique([indicatorId, period])
}


// 新闻: 每天 3 点由 mx_finance_search_news 拉取, 按影响大小排序, 累加多日供首页无限滚动
model News {
  id          Int      @id @default(autoincrement())
  title       String
  summary     String   @default("")
  content     String?  @db.Text
  source      String   @default("")
  url         String   @default("")
  publishedAt DateTime
  impactRank  Int
  createdAt   DateTime @default(now())

  @@unique([title, publishedAt])
  @@index([publishedAt])
}

// 报警: refresh 写库时比对同 (indicatorName, period) 的跨源数据, 差异超阈值记录
model Alert {
  id            Int      @id @default(autoincrement())
  indicatorName String
  period        String
  valueA        Float
  valueB        Float
  sourceA       String
  sourceB       String
  diff          Float
  diffRatio     Float
  createdAt     DateTime @default(now())

  @@index([createdAt])
}


// 服务器监控: 对接 komari 公开 API
model ServerNode {
  id           Int      @id @default(autoincrement())
  uuid         String   @unique
  name         String
  cpuName      String   @default("")
  os           String   @default("")
  region       String   @default("")
  memTotal     BigInt   @default(0)
  diskTotal    BigInt   @default(0)
  cpuCores     Int      @default(0)
  // 最新实时快照
  cpuUsage     Float    @default(0)
  ramUsed      BigInt   @default(0)
  swapUsed     BigInt   @default(0)
  load1        Float    @default(0)
  load5        Float    @default(0)
  load15       Float    @default(0)
  diskUsed     BigInt   @default(0)
  netIn        BigInt   @default(0)
  netOut       BigInt   @default(0)
  uptime       BigInt   @default(0)
  process      Int      @default(0)
  connections  Int      @default(0)
  status       String   @default("unknown") // online | offline | unknown
  recordedAt   DateTime
  createdAt    DateTime @default(now())
  updatedAt    DateTime @updatedAt
}

// 时序历史: 每节点每分钟一条 (komari records 1 分钟粒度)
model ServerNodeHistory {
  id          Int      @id @default(autoincrement())
  uuid        String
  period      DateTime
  cpu         Float    @default(0)
  ram         BigInt   @default(0)
  load        Float    @default(0)
  disk        BigInt   @default(0)
  netIn       BigInt   @default(0)
  netOut      BigInt   @default(0)
  process     Int      @default(0)
  connections Int      @default(0)
  createdAt   DateTime @default(now())

  @@unique([uuid, period])
  @@index([uuid, period])
}

// 服务健康检查: 本应用自检 (健康端点 / DB / 第三方)
model ServiceCheck {
  id         Int      @id @default(autoincrement())
  name       String   @unique
  url        String
  status     String   @default("unknown") // up | down | unknown
  latencyMs  Int      @default(0)
  message    String   @default("")
  lastCheckAt DateTime
  createdAt  DateTime @default(now())
  updatedAt  DateTime @updatedAt
}

model Econ_SowInventory {
  id        Int      @id @default(autoincrement())
  month     String   @unique
  inventory Int      // 能繁母猪数量（万头）
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
}

model ScraperCache {
  id            Int      @id @default(autoincrement())
  scraperName   String   @unique  // 爬虫名称，如：sow-inventory
  lastDataHash  String?           // 上次数据指纹
  lastUpdateAt  DateTime          // 上次更新时间
  metadata      Json?             // 其他元数据
  createdAt     DateTime @default(now())
  updatedAt     DateTime @updatedAt
}