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

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

enum UserRole {
  ADMIN
  AGENT
  CUSTOMER
}

enum ProductStatus {
  ACTIVE
  DEPRECATED
  INACTIVE
}

model User {
  id        String   @id @default(uuid())
  email     String   @unique
  name      String
  role      UserRole @default(CUSTOMER)
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  auditLogs AuditLog[]

  @@map("users")
}

model Product {
  id          String        @id @default(uuid())
  code        String        @unique
  name        String
  description String?
  status      ProductStatus @default(ACTIVE)
  createdAt   DateTime      @default(now())
  updatedAt   DateTime      @updatedAt

  categories Category[]

  @@map("products")
}

model Category {
  id          String   @id @default(uuid())
  productId   String
  name        String
  description String?
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  product Product @relation(fields: [productId], references: [id], onDelete: Cascade)

  @@map("categories")
}

model AuditLog {
  id        String   @id @default(uuid())
  userId    String?
  action    String
  resource  String
  payload   Json?
  createdAt DateTime @default(now())

  user User? @relation(fields: [userId], references: [id], onDelete: SetNull)

  @@map("audit_logs")
}