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

generator client {
  provider = "prisma-client-js"
  binaryTargets = ["native", "debian-openssl-3.0.x", "debian-openssl-1.1.x"]
}

model User {
  id        Int        @id @default(autoincrement())
  username  String     @unique
  password  String
  name      String?
  mobile    String?
  roles     Json?      // e.g. ["COUNTER", "ACCOUNTANT", "SUPERVISOR", "ADMIN"]
  orgId     Int?       
  avatarUrl String?    @db.LongText
  challenge String?    @db.Text
  countings Counting[]
  authenticators Authenticator[]
  lockedLocations Location[] @relation("LocationLocks")
  assignedTasks   Task[]     @relation("AssignedTasks")
  createdTasks    Task[]     @relation("CreatedTasks")
  actionLogs      ActionLog[] // Logs created by this user
  createdAt DateTime   @default(now())
  updatedAt DateTime   @updatedAt
}

model Authenticator {
  id                   String  @id @default(cuid())
  credentialID         String  @unique 
  credentialPublicKey  Bytes
  counter              BigInt
  credentialDeviceType String
  credentialBackedUp   Boolean
  transports           String?

  userId Int
  user   User   @relation(fields: [userId], references: [id], onDelete: Cascade)
}

model Location {
  id        Int        @id @default(autoincrement())
  code      String     @unique
  floor     String   
  region    Int      
  sector    String   
  row       Int      
  warehouse Int?       
  countings Counting[]
  isLocked   Boolean   @default(false)
  lockedById Int?
  lockedBy   User?     @relation("LocationLocks", fields: [lockedById], references: [id])
  lockedAt   DateTime?
  createdAt DateTime   @default(now())
}

model Counting {
  id           Int       @id @default(autoincrement())
  product_id   Int
  product_name String
  warehouse    Int
  
  shelfCode    String?  
  location     Location? @relation(fields: [shelfCode], references: [code])
  
  old_count    Int
  new_count    Int
  user_id      Int
  user         User      @relation(fields: [user_id], references: [id])
  mode         String    @default("SHELF") // SHELF, ITEM, TASK
  status       String    @default("PENDING") // PENDING, APPROVED, REJECTED, CORRECTION_REQUESTED, CANCELLED
  correctionNote String? @db.Text
  cancelReason String?   @db.Text
  is_offline   Boolean   @default(false)
  createdAt    DateTime  @default(now())
  updatedAt    DateTime  @updatedAt
}

model SystemSetting {
  id        Int      @id @default(autoincrement())
  key       String   @unique
  value     String   @db.Text
  updatedAt DateTime @updatedAt
}

model Task {
  id          Int      @id @default(autoincrement())
  type        String   // RECOUNT, SUGGESTED_SHELF, SUGGESTED_ITEM
  targetId    String   // shelfCode or product_id
  targetName  String?  // for UI display
  status      String   @default("OPEN") // OPEN, IN_PROGRESS, COMPLETED
  assignedTo  Int?
  user        User?    @relation("AssignedTasks", fields: [assignedTo], references: [id])
  createdBy   Int
  creator     User     @relation("CreatedTasks", fields: [createdBy], references: [id])
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt
}

model ActionLog {
  id        Int      @id @default(autoincrement())
  userId    Int
  user      User     @relation(fields: [userId], references: [id])
  action    String   // e.g., "LOGIN", "START_SHELF", "CANCEL_SHELF", "COUNT_ITEM"
  details   String?  @db.Text
  createdAt DateTime @default(now())
}