model Customer {
  id          String   @id @default(ulid())
  is_favorite Boolean? @default(false)

  created_at DateTime  @default(now()) @db.Timestamp(0)
  updated_at DateTime  @updatedAt @db.Timestamp(0)
  deleted_at DateTime? @db.Timestamp(0)

  type                CustomerType
  unknown_customer    Json?
  customer_individual CustomerIndividual?
  customer_legal      CustomerLegal?
  sales_invoices      SalesInvoice[]

  @@map("customers")
}

model CustomerIndividual {
  first_name    String  @db.VarChar(255)
  last_name     String  @db.VarChar(255)
  national_id   String  @db.Char(10)
  postal_code   String  @db.Char(10)
  economic_code String? @db.Char(10)

  customer_id String   @id
  customer    Customer @relation(fields: [customer_id], references: [id], onDelete: Cascade)

  complex_id String
  complex    Complex @relation(fields: [complex_id], references: [id])

  @@unique([complex_id, national_id])
  @@index([complex_id])
  @@map("customer_individuals")
}

model CustomerLegal {
  company_name        String @db.VarChar(255)
  economic_code       String @db.Char(10)
  registration_number String @db.Char(20)
  postal_code         String @db.Char(10)

  customer_id String   @id
  customer    Customer @relation(fields: [customer_id], references: [id], onDelete: Cascade)

  complex_id String
  complex    Complex @relation(fields: [complex_id], references: [id])

  @@unique([complex_id, registration_number])
  @@index([complex_id])
  @@map("customer_legal")
}