// 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 = "postgresql"
  url      = env("DATABASE_URL")
}

// ============================================
// 用户表
// ============================================
model User {
  id            String    @id @default(uuid())
  username      String    @unique @db.VarChar(50)
  email         String    @unique @db.VarChar(100)
  passwordHash  String    @map("password_hash") @db.VarChar(255)
  avatar        String?   @db.VarChar(255)
  
  // VIP 状态
  isVip         Boolean   @default(false) @map("is_vip")
  vipLevel      Int       @default(0) @map("vip_level")
  vipExpireAt   DateTime? @map("vip_expire_at")

  // Token 吊销 (递增版本号使旧 token 失效)
  tokenVersion  Int       @default(0) @map("token_version")
  
  // 统计
  schemesCount      Int   @default(0) @map("schemes_count")
  favoritesCount    Int   @default(0) @map("favorites_count")
  
  // 设备绑定
  installId         String? @map("install_id") @db.VarChar(64)
  deviceHash        String? @map("device_hash") @db.VarChar(64)
  lastDeviceCheck   DateTime? @map("last_device_check")
  
  // 元数据
  createdAt     DateTime  @default(now()) @map("created_at")
  updatedAt     DateTime  @updatedAt @map("updated_at")
  lastLoginAt   DateTime? @map("last_login_at")
  deletedAt     DateTime? @map("deleted_at")
  
  // 关系
  schemes       Scheme[]
  schemesAob    SchemeAob[]
  filterShares  FilterShare[]
  favorites     Favorite[]
  likes         Like[]
  logs          UserLog[]
  usedVipCards  VipCard[]  @relation("UsedCards")
  deviceBindings DeviceBinding[]

  @@map("users")
}

// ============================================
// VIP 卡密表
// ============================================
model VipCard {
  id            String    @id @default(uuid())
  cardKey       String    @unique @map("card_key") @db.VarChar(50)
  
  cardType      String    @map("card_type") @db.VarChar(20)
  days          Int
  
  status        String    @default("UNUSED") @db.VarChar(20)
  usedBy        String?   @map("used_by")
  usedAt        DateTime? @map("used_at")
  
  batchId       String?   @map("batch_id")
  generatedAt   DateTime  @default(now()) @map("generated_at")
  
  originalPrice Decimal?  @map("original_price") @db.Decimal(10, 2)
  salePrice     Decimal?  @map("sale_price") @db.Decimal(10, 2)
  
  user          User?     @relation("UsedCards", fields: [usedBy], references: [id], onDelete: SetNull)

  @@map("vip_cards")
}

// ============================================
// 方案表 - 烽火地带
// ============================================
model Scheme {
  id                String    @id @default(uuid())
  userId            String    @map("user_id")
  
  title             String?   @db.VarChar(100)
  description       String?   @db.Text
  weaponName        String?   @map("weapon_name") @db.VarChar(100)
  category          String?   @db.VarChar(50)
  
  schemeContent     String    @map("scheme_content") @db.Text
  contentEncrypted  Boolean   @default(true) @map("content_encrypted")
  
  price             Int       @default(0)
  
  viewsCount        Int       @default(0) @map("views_count")
  downloadsCount    Int       @default(0) @map("downloads_count")
  likesCount        Int       @default(0) @map("likes_count")
  favoritesCount    Int       @default(0) @map("favorites_count")
  
  gpuModel          String?   @map("gpu_model") @db.VarChar(100)
  driverVersion     String?   @map("driver_version") @db.VarChar(50)
  appVersion        String?   @map("app_version") @db.VarChar(20)
  
  status            String    @default("DRAFT") @db.VarChar(20)
  isOfficial        Boolean   @default(false) @map("is_official")
  
  createdAt         DateTime  @default(now()) @map("created_at")
  updatedAt         DateTime  @updatedAt @map("updated_at")
  
  user              User      @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([userId])
  @@index([weaponName])
  @@index([category])
  @@index([status])
  @@map("schemes")
}

// ============================================
// 方案表 - 全面战场 (AOB)
// ============================================
model SchemeAob {
  id                String    @id @default(uuid())
  userId            String    @map("user_id")
  
  title             String?   @db.VarChar(100)
  description       String?   @db.Text
  weaponName        String?   @map("weapon_name") @db.VarChar(100)
  category          String?   @db.VarChar(50)
  
  schemeContent     String    @map("scheme_content") @db.Text
  contentEncrypted  Boolean   @default(true) @map("content_encrypted")
  
  price             Int       @default(0)
  
  viewsCount        Int       @default(0) @map("views_count")
  downloadsCount    Int       @default(0) @map("downloads_count")
  likesCount        Int       @default(0) @map("likes_count")
  favoritesCount    Int       @default(0) @map("favorites_count")
  
  status            String    @default("DRAFT") @db.VarChar(20)
  isOfficial        Boolean   @default(false) @map("is_official")
  
  createdAt         DateTime  @default(now()) @map("created_at")
  updatedAt         DateTime  @updatedAt @map("updated_at")
  
  user              User      @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([userId])
  @@index([weaponName])
  @@map("schemes_aob")
}

// ============================================
// 滤镜分享表
// ============================================
model FilterShare {
  id            String    @id @default(uuid())
  userId        String    @map("user_id")
  
  title         String    @db.VarChar(100)
  description   String?   @db.Text
  category      String?   @db.VarChar(50)
  
  filterContent String    @map("filter_content") @db.Text
  contentFormat String    @default("MQTS1") @map("content_format") @db.VarChar(20)
  
  viewsCount    Int       @default(0) @map("views_count")
  likesCount    Int       @default(0) @map("likes_count")
  
  status        String    @default("DRAFT") @db.VarChar(20)
  
  createdAt     DateTime  @default(now()) @map("created_at")
  updatedAt     DateTime  @updatedAt @map("updated_at")
  
  user          User      @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([userId])
  @@map("filter_shares")
}

// ============================================
// 收藏表
// ============================================
model Favorite {
  id          String    @id @default(uuid())
  userId      String    @map("user_id")
  targetType  String    @map("target_type") @db.VarChar(20)
  targetId    String    @map("target_id")
  
  createdAt   DateTime  @default(now()) @map("created_at")
  
  user        User      @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@unique([userId, targetType, targetId])
  @@index([userId])
  @@map("favorites")
}

// ============================================
// 点赞表
// ============================================
model Like {
  id          String    @id @default(uuid())
  userId      String    @map("user_id")
  targetType  String    @map("target_type") @db.VarChar(20)
  targetId    String    @map("target_id")
  
  createdAt   DateTime  @default(now()) @map("created_at")
  
  user        User      @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@unique([userId, targetType, targetId])
  @@index([userId])
  @@index([targetType, targetId])
  @@map("likes")
}

// ============================================
// 分类表
// ============================================
model Category {
  id          String    @id @default(uuid())
  name        String    @db.VarChar(50)
  type        String    @db.VarChar(20)
  
  sortOrder   Int       @default(0) @map("sort_order")
  isActive    Boolean   @default(true) @map("is_active")
  
  createdAt   DateTime  @default(now()) @map("created_at")

  @@map("categories")
}

// ============================================
// 用户日志表
// ============================================
model UserLog {
  id          String    @id @default(uuid())
  userId      String?   @map("user_id")
  
  action      String    @db.VarChar(50)
  targetType  String?   @map("target_type") @db.VarChar(50)
  targetId    String?   @map("target_id")
  
  installId   String?   @map("install_id") @db.VarChar(64)
  deviceHash  String?   @map("device_hash") @db.VarChar(64)
  ipAddress   String?   @map("ip_address") @db.VarChar(45)
  
  createdAt   DateTime  @default(now()) @map("created_at")
  
  user        User?     @relation(fields: [userId], references: [id], onDelete: SetNull)

  @@index([userId])
  @@index([action])
  @@map("user_logs")
}

// ============================================
// 设备绑定表
// ============================================
model DeviceBinding {
  id            String    @id @default(uuid())
  userId        String    @map("user_id")
  installId     String    @map("install_id") @db.VarChar(64)
  deviceHash    String    @map("device_hash") @db.VarChar(64)
  
  boundAt       DateTime  @default(now()) @map("bound_at")
  lastActiveAt  DateTime? @map("last_active_at")
  isActive      Boolean   @default(true) @map("is_active")
  
  user          User      @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@unique([userId, installId])
  @@map("device_bindings")
}