// 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

  // V0.2 打卡 / 清单: 用户删除时级联清理
  habits     Habit[]
  checkIns   CheckIn[]
  checkLists CheckList[]
  templates  CheckListTemplate[]

  // V0.2 任务模块
  ownedProjects  Project[]       @relation("ProjectOwner")
  projectMembers ProjectMember[]
  assignedTasks  Task[]          @relation("TaskAssignee")
  createdTasks   Task[]          @relation("TaskCreator")
  taskMembers    TaskMember[]
}

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
}




// 浙江省油价历史 (apizero price 接口每日抓取)
//   每天 04:00 cron 触发: 检查 schedule 里待定且 <= 昨天的调价日, 抓 price?province=浙江 存本表
//   unique (date, province, fuel) 防重复
model OilPriceHistory {
  id        Int      @id @default(autoincrement())
  date      DateTime // 调价日次日 (即数据实际抓取日)
  province  String   // '浙江'
  fuel      String   // '92' | '95' | '0'
  price     Float    // 油价 (元/升, 4 位小数足够)
  source    String   @default("apizero")
  createdAt DateTime @default(now())

  @@unique([date, province, fuel])
  @@index([province, fuel, date])
}


// ==================== 环境监控：米家 ====================

// 米家授权状态 (DiskCache 存凭证, 本表只存状态/错误供前端展示)
model MihomeAccount {
  id        Int      @id @default(autoincrement())
  key       String   @unique @default("default")
  userId    String   @default("")
  status    String   @default("unknown") // ok | pending | expired
  lastError String   @default("")
  updatedAt DateTime @updatedAt
}

model MihomeHome {
  id        Int            @id @default(autoincrement())
  homeId    String         @unique
  name      String
  createdAt DateTime       @default(now())
  devices   MihomeDevice[]
}

model MihomeDevice {
  id         Int            @id @default(autoincrement())
  did        String         @unique
  homeId     String
  home       MihomeHome     @relation(fields: [homeId], references: [homeId])
  model      String
  name       String
  alias      String?                  // 用户别名, 仅本应用展示
  tempSiid   Int
  tempPiid   Int
  humSiid    Int
  humPiid    Int
  battSiid   Int                      // 电池电量属性 (炎米 3.1003 / 青萍 2.3)
  battPiid   Int
  battery    Int?                     // 最近一次电量 (每天读一次, 标题展示用)
  batteryAt  DateTime?                // 电量读取时间 (当天缓存, 不频繁更新)
  enabled    Boolean        @default(true)
  lastSyncAt DateTime?
  createdAt  DateTime       @default(now())
  samples    MihomeEnvSample[]
  hours      MihomeEnvHour[]
}

// 日档: 月视图(逐日)数据源; unique (deviceId, date) 防重
model MihomeEnvSample {
  id             Int          @id @default(autoincrement())
  deviceId       Int
  device         MihomeDevice @relation(fields: [deviceId], references: [id], onDelete: Cascade)
  date           DateTime              // 采样日 (Asia/Shanghai 当日 00:00 存 UTC)
  temperature    Float?                // 当日最后一次实时值 (或 vendor hour 均值)
  humidity       Float?
  temperatureAvg Float?                // 当日均值 (由小时档聚合, 或 vendor_hour)
  humidityAvg    Float?
  temperatureMin Float?                // 当日最低
  temperatureMax Float?                // 当日最高
  humidityMin    Float?
  humidityMax    Float?
  origin         String       @default("live") // live | vendor_history | backfill
  sampledAt      DateTime?
  raw            Json?
  createdAt      DateTime     @default(now())

  @@unique([deviceId, date])
  @@index([deviceId, date])
}

// 小时档: 当天视图(逐小时)数据源; unique (deviceId, hour) 防重
model MihomeEnvHour {
  id             Int          @id @default(autoincrement())
  deviceId       Int
  device         MihomeDevice @relation(fields: [deviceId], references: [id], onDelete: Cascade)
  hour           DateTime              // Asia/Shanghai 整点 (存 UTC)
  temperatureAvg Float?                // 该小时均值 (live 采样点, 或 vendor_hour)
  humidityAvg    Float?
  raw            Json?
  createdAt      DateTime     @default(now())

  @@unique([deviceId, hour])
  @@index([deviceId, hour])
}

// ==================== 打卡 / 日历 / 清单 (V0.2) ====================

// 打卡项: 周期性目标 (每天 / 每周 / 每月 / 每年 n 次)
model Habit {
  id        Int      @id @default(autoincrement())
  userId    Int
  user      User     @relation(fields: [userId], references: [id], onDelete: Cascade)
  name      String
  period    String   @default("day")  // day | week | month | year
  target    Int      @default(1)      // 周期内目标次数 n (>=1)
  color     String   @default("#1677ff")
  icon      String   @default("")     // emoji 或图标名, 预留
  note      String   @default("")
  archived  Boolean  @default(false)  // 归档: 不出现在今日待办, 历史保留
  sortOrder Int      @default(0)
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
  records   CheckIn[]

  @@index([userId, archived, sortOrder])
}

// 打卡记录: 一次打卡 = 一条; 同日多次 => seq 递增 (1..n, 超额继续累加)
model CheckIn {
  id        Int      @id @default(autoincrement())
  habitId   Int
  habit     Habit    @relation(fields: [habitId], references: [id], onDelete: Cascade)
  userId    Int
  user      User     @relation(fields: [userId], references: [id], onDelete: Cascade)
  date      String   @db.VarChar(10)  // 本地日历日 "YYYY-MM-DD" (Asia/Shanghai)
  seq       Int      @default(1)      // 当日第几次
  note      String   @default("")
  source    String   @default("user") // user | backfill (补打)
  createdAt DateTime @default(now())

  @@unique([habitId, date, seq])
  @@index([userId, date])
  @@index([habitId, date])
}

// 检查清单: 出差 / 回老家 等场景的一次性清单
model CheckList {
  id        Int             @id @default(autoincrement())
  userId    Int
  user      User            @relation(fields: [userId], references: [id], onDelete: Cascade)
  title     String
  scene     String          @default("")  // 出差 | 回老家 | 自定义
  note      String          @default("")
  archived  Boolean         @default(false)
  createdAt DateTime        @default(now())
  updatedAt DateTime        @updatedAt
  items     CheckListItem[]

  @@index([userId, archived])
}

// 检查项: 勾选即完成
model CheckListItem {
  id        Int       @id @default(autoincrement())
  listId    Int
  list      CheckList @relation(fields: [listId], references: [id], onDelete: Cascade)
  title     String
  note      String    @default("")
  done      Boolean   @default(false)
  doneAt    DateTime?
  sortOrder Int       @default(0)
  createdAt DateTime  @default(now())
  updatedAt DateTime  @updatedAt

  @@index([listId, sortOrder])
}

// 清单模板: builtin = 系统预置 (userId 为空); 否则为用户自定义
model CheckListTemplate {
  id        Int      @id @default(autoincrement())
  userId    Int?
  user      User?    @relation(fields: [userId], references: [id], onDelete: Cascade)
  name      String
  scene     String   @default("")
  items     Json                      // [{ title, note }]
  builtin   Boolean  @default(false)
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@index([userId, builtin])
}

// ================== 任务模块 (V0.2 任务模块需求文档 T-*) ==================
// 口径见 docs/V0.2/任务模块/任务模块数据库设计文档.md
//   项目 = 隔离 + 权限单位; 看板列是实体(可增删改排序);
//   任务状态(todo/doing/done) 与 看板列 是两个正交维度, 由列的 boundStatus 决定是否联动.

model Project {
  id         Int      @id @default(autoincrement())
  name       String   @db.VarChar(50)
  ownerId    Int
  owner      User     @relation("ProjectOwner", fields: [ownerId], references: [id], onDelete: Cascade)
  isPersonal Boolean  @default(false)
  archived   Boolean  @default(false)
  notes      Json     @default("[]") // 项目信息块 [{ title, content }] (T-PJ-13)
  taskKinds  Json?    // 任务类型标签列表 (未配置时服务端回落默认四类)
  createdAt  DateTime @default(now())
  updatedAt  DateTime @updatedAt

  members ProjectMember[]
  columns BoardColumn[]
  tasks   Task[]

  @@index([ownerId])
  @@index([archived])
}

model ProjectMember {
  id         Int      @id @default(autoincrement())
  projectId  Int
  project    Project  @relation(fields: [projectId], references: [id], onDelete: Cascade)
  userId     Int
  user       User     @relation(fields: [userId], references: [id], onDelete: Cascade)
  permission String   @default("member")
  createdAt  DateTime @default(now())

  @@unique([projectId, userId])
  @@index([userId])
}

model BoardColumn {
  id          Int      @id @default(autoincrement())
  projectId   Int
  project     Project  @relation(fields: [projectId], references: [id], onDelete: Cascade)
  name        String   @db.VarChar(20)
  sortOrder   Int      @default(0)
  boundStatus String?  @db.VarChar(8)
  retention   String   @default("forever") @db.VarChar(8)
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  tasks Task[]

  @@unique([projectId, name])
  @@index([projectId, sortOrder])
}

model Task {
  id          Int       @id @default(autoincrement())
  projectId   Int
  project     Project   @relation(fields: [projectId], references: [id], onDelete: Cascade)
  columnId    Int
  column      BoardColumn @relation(fields: [columnId], references: [id], onDelete: Restrict)
  parentId    Int?
  parent      Task?     @relation("Subtask", fields: [parentId], references: [id], onDelete: Cascade)
  children    Task[]    @relation("Subtask")

  title       String    @db.VarChar(200)
  description String    @default("") @db.Text
  kind        String?   @db.VarChar(20) // 任务类型标签 (项目 taskKinds 之一)
  status      String    @default("todo") @db.VarChar(8)
  doneAt      DateTime?

  assigneeId  Int?
  assignee    User?     @relation("TaskAssignee", fields: [assigneeId], references: [id], onDelete: SetNull)
  creatorId   Int
  creator     User      @relation("TaskCreator", fields: [creatorId], references: [id], onDelete: Cascade)

  extras      Json      @default("[]")
  sortOrder   Int       @default(0)
  createdAt   DateTime  @default(now())
  updatedAt   DateTime  @updatedAt

  members TaskMember[]
  tags    TaskTag[]

  @@index([projectId, columnId])
  @@index([projectId, status])
  @@index([parentId])
  @@index([projectId, doneAt])
}

model TaskMember {
  id     Int  @id @default(autoincrement())
  taskId Int
  task   Task @relation(fields: [taskId], references: [id], onDelete: Cascade)
  userId Int
  user   User @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@unique([taskId, userId])
}

model TaskTag {
  id     Int    @id @default(autoincrement())
  taskId Int
  task   Task   @relation(fields: [taskId], references: [id], onDelete: Cascade)
  name   String @db.VarChar(20)

  @@index([taskId])
}