model Supplier {
  id             Int               @id @default(autoincrement())
  firstName      String            @db.VarChar(255)
  lastName       String            @db.VarChar(255)
  email          String?           @db.VarChar(255)
  mobileNumber   String            @unique @db.Char(11)
  address        String?           @db.Text
  city           String?           @db.VarChar(100)
  state          String?           @db.VarChar(100)
  country        String?           @db.VarChar(100)
  isActive       Boolean           @default(true)
  createdAt      DateTime          @default(now()) @db.Timestamp(0)
  updatedAt      DateTime          @updatedAt @db.Timestamp(0)
  deletedAt      DateTime?         @db.Timestamp(0)
  stockMovements StockMovement[]   @relation("StockMovement_Supplier")
  receipts       PurchaseReceipt[]
  ledger         SupplierLedger[]

  @@map("Suppliers")
}

model SupplierLedger {
  id          Int              @id @default(autoincrement())
  description String?          @db.Text
  debit       Decimal          @default(0) @db.Decimal(15, 2)
  credit      Decimal          @default(0) @db.Decimal(15, 2)
  balance     Decimal          @db.Decimal(15, 2)
  sourceType  LedgerSourceType
  sourceId    Int
  createdAt   DateTime         @default(now()) @db.Timestamp(0)

  supplierId Int
  supplier   Supplier @relation(fields: [supplierId], references: [id])

  @@index([supplierId])
  @@map("Supplier_Ledger")
}