// FieldOps — initial scaffold schema.
//
// All models except Tenant carry tenantId. Tenant scoping is enforced at runtime
// by the Prisma extension in src/tenant-extension.ts — see that file's header for
// the operations it covers and (more importantly) those it does NOT.

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

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

enum UserRole {
  ADMIN
  SUPERVISOR
  OPERATOR
}

model Tenant {
  id        String   @id @default(cuid())
  name      String
  createdAt DateTime @default(now())

  users        User[]
  workstations Workstation[]
  events       DomainEvent[]
}

model User {
  id           String   @id @default(cuid())
  tenantId     String
  email        String
  passwordHash String?
  role         UserRole @default(OPERATOR)
  createdAt    DateTime @default(now())

  tenant Tenant @relation(fields: [tenantId], references: [id], onDelete: Cascade)

  @@unique([tenantId, email])
  @@index([tenantId])
}

model Workstation {
  id       String @id @default(cuid())
  tenantId String
  code     String
  name     String
  area     String

  tenant Tenant @relation(fields: [tenantId], references: [id], onDelete: Cascade)

  @@unique([tenantId, code])
  @@index([tenantId])
}

model DomainEvent {
  id            String    @id @default(cuid())
  tenantId      String
  aggregateType String
  aggregateId   String
  eventType     String
  payload       Json
  occurredAt    DateTime  @default(now())
  processedAt   DateTime?

  tenant Tenant @relation(fields: [tenantId], references: [id], onDelete: Cascade)

  @@index([tenantId])
  @@index([tenantId, processedAt])
  @@index([tenantId, aggregateType, aggregateId])
}