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

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

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

// 用户表
model User {
  id        String   @id @default(cuid())
  email     String   @unique
  name      String?
  avatar    String?
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  // 关联关系
  templates Template[]
  favorites Favorite[]
  comments  Comment[]

  @@map("users")
}

// 提示词模板表
model Template {
  id          String   @id @default(cuid())
  title       String
  description String?
  category    String
  tags        String   // JSON 格式存储标签数组
  role        String
  task        String
  context     String?
  constraints String   // JSON 格式存储约束数组
  outputFormat String
  variables   String   // JSON 格式存储变量数组
  examples    String?  // JSON 格式存储示例数组
  
  // 元数据
  authorId    String
  author      User     @relation(fields: [authorId], references: [id], onDelete: Cascade)
  isPublic    Boolean  @default(true)
  isFeatured  Boolean  @default(false)
  
  // 统计信息
  usageCount  Int      @default(0)
  rating      Float    @default(0)
  ratingCount Int      @default(0)
  
  // 时间戳
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  // 关联关系
  favorites   Favorite[]
  comments    Comment[]
  tests       Test[]

  @@map("templates")
}

// 收藏表
model Favorite {
  id         String   @id @default(cuid())
  userId     String
  templateId String
  createdAt  DateTime @default(now())

  user       User     @relation(fields: [userId], references: [id], onDelete: Cascade)
  template   Template @relation(fields: [templateId], references: [id], onDelete: Cascade)

  @@unique([userId, templateId])
  @@map("favorites")
}

// 评论表
model Comment {
  id         String   @id @default(cuid())
  content    String
  rating     Int?     // 1-5 星评分
  userId     String
  templateId String
  createdAt  DateTime @default(now())
  updatedAt  DateTime @updatedAt

  user       User     @relation(fields: [userId], references: [id], onDelete: Cascade)
  template   Template @relation(fields: [templateId], references: [id], onDelete: Cascade)

  @@map("comments")
}

// 测试记录表
model Test {
  id         String   @id @default(cuid())
  templateId String
  input      String   // JSON 格式存储输入变量
  output     String?  // 测试输出结果
  model      String   // 使用的模型
  parameters String   // JSON 格式存储模型参数
  status     String   // success, error, pending
  duration   Int?     // 执行时间（毫秒）
  createdAt  DateTime @default(now())

  template   Template @relation(fields: [templateId], references: [id], onDelete: Cascade)

  @@map("tests")
}

// 系统配置表
model SystemConfig {
  id    String @id @default(cuid())
  key   String @unique
  value String
  type  String @default("string") // string, number, boolean, json

  @@map("system_configs")
}