model SalesInvoice {
  id               String    @id @default(uuid())
  code             String    @unique @db.VarChar(100)
  total_amount     Decimal   @db.Decimal(15, 2)
  notes            String?   @db.Text
  unknown_customer Json?     @db.Json
  invoice_date     DateTime? @default(now()) @db.Timestamp(0)
  created_at       DateTime  @default(now()) @db.Timestamp(0)
  updated_at       DateTime  @updatedAt @db.Timestamp(0)

  customer_id String?
  account_id  String
  pos_id      String

  customer         Customer?             @relation(fields: [customer_id], references: [id])
  pos              Pos                   @relation(fields: [pos_id], references: [id])
  consumer_account ConsumerAccount       @relation(fields: [account_id], references: [id])
  items            SalesInvoiceItem[]
  payments         SalesInvoicePayment[]

  @@map("sales_invoices")
}

model SalesInvoiceItem {
  id           String   @id @default(uuid())
  quantity     Decimal  @db.Decimal(10, 0)
  unit_type    UnitType
  unit_price   Decimal  @default(0.00) @db.Decimal(15, 2)
  total_amount Decimal  @default(0.00) @db.Decimal(15, 2)
  created_at   DateTime @default(now()) @db.Timestamp(0)
  discount     Decimal  @default(0.00) @db.Decimal(15, 2)
  notes        String?  @db.Text

  invoice_id String
  good_id    String?
  service_id String?

  payload Json?

  invoice SalesInvoice @relation(fields: [invoice_id], references: [id])
  good    Good?        @relation(fields: [good_id], references: [id])
  service Service?     @relation(fields: [service_id], references: [id])

  @@index([invoice_id, good_id])
  @@map("sales_invoice_items")
}

model SalesInvoicePayment {
  id             String            @id @default(uuid())
  invoice_id     String
  amount         Decimal           @db.Decimal(15, 2)
  payment_method PaymentMethodType
  paid_at        DateTime
  created_at     DateTime          @default(now())

  invoice SalesInvoice @relation(fields: [invoice_id], references: [id])

  @@index([invoice_id])
  @@map("sales_invoice_payments")
}