model SalesInvoice {
  id                  String                     @id @default(uuid())
  code                String                     @unique @db.VarChar(100)
  total_amount        Decimal                    @db.Decimal(15, 2)
  invoice_number      Int
  invoice_date        DateTime                   @default(now()) @db.Timestamp(0)
  type                TspProviderRequestType
  tax_id              String?                    @unique @db.VarChar(32)
  notes               String?                    @db.Text
  unknown_customer    Json?
  created_at          DateTime                   @default(now()) @db.Timestamp(0)
  updated_at          DateTime                   @updatedAt @db.Timestamp(0)
  main_id             String?                    @db.VarChar(50)
  ref_id              String?                    @unique @db.VarChar(50)
  customer_id         String?
  consumer_account_id String
  pos_id              String
  settlement_type     InvoiceSettlementType
  discount_amount     Decimal?                   @db.Decimal(15, 2)
  tax_amount          Decimal?                   @db.Decimal(15, 2)
  last_tsp_status     TspProviderResponseStatus?
  last_attempt_no     Int?
  tsp_attempts        SaleInvoiceTspAttempts[]
  items               SalesInvoiceItem[]
  payments            SalesInvoicePayment[]
  consumer_account    ConsumerAccount            @relation(fields: [consumer_account_id], references: [id])
  customer            Customer?                  @relation(fields: [customer_id], references: [id])
  pos                 Pos                        @relation(fields: [pos_id], references: [id])
  reference_invoice   SalesInvoice?              @relation("SalesInvoiceReference", fields: [ref_id], references: [id])
  referenced_by       SalesInvoice?              @relation("SalesInvoiceReference")

  @@unique([invoice_number, pos_id])
  @@index([pos_id, invoice_date])
  @@index([ref_id])
  @@index([tax_id])
  @@index([consumer_account_id], map: "sales_invoices_consumer_account_id_fkey")
  @@index([customer_id], map: "sales_invoices_customer_id_fkey")
  @@map("sales_invoices")
}

model SalesInvoiceItem {
  id                String   @id @default(ulid())
  quantity          Decimal  @db.Decimal(10, 0)
  measure_unit_text String   @db.VarChar(50)
  measure_unit_code String   @db.VarChar(50)
  sku_code          String   @db.VarChar(50)
  sku_vat           Decimal  @default(0.00) @db.Decimal(15, 2)
  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
  payload           Json?
  good_snapshot     Json
  invoice_id        String
  good_id           String
  service_id        String?
  discount_amount   Decimal? @db.Decimal(15, 2)
  tax_amount        Decimal? @db.Decimal(15, 2)

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

  @@index([invoice_id, good_id])
  @@index([good_id], map: "sales_invoice_items_good_id_fkey")
  @@index([service_id], map: "sales_invoice_items_service_id_fkey")
  @@map("sales_invoice_items")
}

model SaleInvoiceTspAttempts {
  id                       String                    @id @default(ulid())
  attempt_no               Int
  status                   TspProviderResponseStatus
  message                  String                    @db.Text
  sent_at                  DateTime?                 @db.Timestamp(0)
  received_at              DateTime?                 @db.Timestamp(0)
  created_at               DateTime                  @default(now()) @db.Timestamp(0)
  invoice_id               String
  provider_request_payload Json
  raw_request_payload      Json
  error_message            String?                   @db.Text
  fiscal_warnings          Json?
  provider_response        Json?
  validation_errors        Json?
  invoice                  SalesInvoice              @relation(fields: [invoice_id], references: [id], onDelete: Cascade)

  @@unique([invoice_id, attempt_no])
  @@index([status])
  @@index([invoice_id])
  @@map("sale_invoice_tsp_attempts")
}

model SalesInvoicePayment {
  id             String                           @id @default(ulid())
  amount         Decimal                          @db.Decimal(15, 2)
  payment_method PaymentMethodType
  paid_at        DateTime                         @db.Timestamp(0)
  created_at     DateTime                         @default(now()) @db.Timestamp(0)
  invoice_id     String
  terminal_info  SalesInvoicePaymentTerminalInfo?
  invoice        SalesInvoice                     @relation(fields: [invoice_id], references: [id])

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

model SalesInvoicePaymentTerminalInfo {
  id                    String              @id @default(ulid())
  terminal_id           String
  stan                  String
  rrn                   String
  transaction_date_time DateTime
  customer_card_no      String?
  description           String?
  created_at            DateTime            @default(now()) @db.Timestamp(0)
  payment_id            String              @unique
  payment               SalesInvoicePayment @relation(fields: [payment_id], references: [id])

  @@unique([terminal_id, stan, rrn, payment_id])
  @@map("sales_invoice_payment_terminal_info")
}