backend/prisma/schema.prisma

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

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

enum UserRole {
  customer
  admin
  superAdmin
}

enum SellUnit {
  unit
  kilo
}

enum OrderStatus {
  pending
  confirmed
  preparing
  ready
  delivered
  cancelled
}

enum DeliveryType {
  shipping
  pickup
}

model User {
  id               String         @id @default(cuid())
  title            String
  firstName        String
  lastName         String
  category         String?
  cellNumber       String         @unique
  passwordHash     String
  role             UserRole       @default(customer)
  disabled         Boolean        @default(false)
  totalOrders      Int            @default(0)
  totalTransaction Int            @default(0)
  createdAt        DateTime       @default(now())
  updatedAt        DateTime       @updatedAt
  refreshTokens    RefreshToken[]
  addresses        UserAddress[]
  orders           Order[]

  @@index([role])
  @@index([disabled])
}

model UserAddress {
  id        String   @id @default(cuid())
  userId    String
  user      User     @relation(fields: [userId], references: [id], onDelete: Cascade)
  name      String
  district  String
  address   String
  landline  String   @default("")
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@index([userId])
}

model RefreshToken {
  id        String   @id @default(cuid())
  tokenHash String
  userId    String
  user      User     @relation(fields: [userId], references: [id], onDelete: Cascade)
  expiresAt DateTime
  createdAt DateTime @default(now())

  @@index([userId])
  @@index([tokenHash])
}

model Flavor {
  id                   String                @id @default(cuid())
  nameFa               String
  nameEn               String
  createdAt            DateTime              @default(now())
  updatedAt            DateTime              @updatedAt
  categoryOptionBlocks CategoryOptionBlock[]
  productOptions       ProductOption[]
}

model Category {
  id           String                @id @default(cuid())
  nameFa       String
  nameEn       String
  parentId     String?
  parent       Category?             @relation("CategoryTree", fields: [parentId], references: [id], onDelete: Restrict)
  children     Category[]            @relation("CategoryTree")
  sortOrder    Int                   @default(0)
  createdAt    DateTime              @default(now())
  updatedAt    DateTime              @updatedAt
  optionBlocks CategoryOptionBlock[]
  products     Product[]

  @@index([parentId])
}

model CategoryOptionBlock {
  id         String                 @id @default(cuid())
  categoryId String
  flavorId   String
  sortOrder  Int                    @default(0)
  category   Category               @relation(fields: [categoryId], references: [id], onDelete: Cascade)
  flavor     Flavor                 @relation(fields: [flavorId], references: [id], onDelete: Restrict)
  entries    CategoryOptionEntry[]

  @@index([categoryId])
  @@index([flavorId])
}

model CategoryOptionEntry {
  id        String              @id @default(cuid())
  blockId   String
  amount    String
  price     Int
  sortOrder Int                 @default(0)
  block     CategoryOptionBlock @relation(fields: [blockId], references: [id], onDelete: Cascade)

  @@index([blockId])
}

model Product {
  id            String                @id @default(cuid())
  nameFa        String
  nameEn        String
  price         Int                   @default(0)
  sellUnit      SellUnit              @default(unit)
  categoryId    String
  category      Category              @relation(fields: [categoryId], references: [id], onDelete: Restrict)
  intro         String                @default("")
  description   String                @default("")
  mainImageUrl  String?
  mainImageKey  String?
  tags          String[]              @default([])
  createdAt     DateTime              @default(now())
  updatedAt     DateTime              @updatedAt
  gallery       ProductGalleryImage[]
  options       ProductOption[]
  orderItems    OrderItem[]

  @@index([categoryId])
  @@index([price])
}

model ProductGalleryImage {
  id         String  @id @default(cuid())
  productId  String
  product    Product @relation(fields: [productId], references: [id], onDelete: Cascade)
  url        String
  storageKey String
  sortOrder  Int     @default(0)

  @@index([productId])
}

model ProductOption {
  id        String  @id @default(cuid())
  productId String
  product   Product @relation(fields: [productId], references: [id], onDelete: Cascade)
  flavorId  String
  flavor    Flavor  @relation(fields: [flavorId], references: [id], onDelete: Restrict)
  amount    String
  price     Int

  @@index([productId])
  @@index([flavorId])
}

model ShippingException {
  id        String   @id @default(cuid())
  district  String   @unique
  price     Int
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
}

model Branch {
  id         String   @id @default(cuid())
  name       String
  district   String
  address    String
  landline   String   @default("")
  cellNumber String   @default("")
  createdAt  DateTime @default(now())
  updatedAt  DateTime @updatedAt
  orders     Order[]
}

model Order {
  id                     String        @id @default(cuid())
  number                 Int           @unique @default(autoincrement())
  customerId             String
  customer               User          @relation(fields: [customerId], references: [id], onDelete: Restrict)
  customerName           String
  customerPhone          String
  status                 OrderStatus   @default(pending)
  deliveryType           DeliveryType
  branchId               String?
  branch                 Branch?       @relation(fields: [branchId], references: [id], onDelete: SetNull)
  branchName             String?
  shippingAddressId      String?
  shippingName           String?
  shippingDistrict       String?
  shippingAddressLine    String?
  shippingLandline       String?
  note                   String        @default("")
  itemCount              Int
  totalPrice             Int
  createdAt              DateTime      @default(now())
  updatedAt              DateTime      @updatedAt
  items                  OrderItem[]

  @@index([customerId])
  @@index([status])
  @@index([createdAt])
  @@index([branchId])
}

model OrderItem {
  id         String            @id @default(cuid())
  orderId    String
  order      Order             @relation(fields: [orderId], references: [id], onDelete: Cascade)
  productId  String?
  product    Product?          @relation(fields: [productId], references: [id], onDelete: SetNull)
  nameFa     String
  quantity   Int
  unitPrice  Int
  sellUnit   SellUnit
  sortOrder  Int               @default(0)
  options    OrderItemOption[]

  @@index([orderId])
  @@index([productId])
}

model OrderItemOption {
  id          String    @id @default(cuid())
  orderItemId String
  orderItem   OrderItem @relation(fields: [orderItemId], references: [id], onDelete: Cascade)
  name        String
  price       Int
  sortOrder   Int       @default(0)

  @@index([orderItemId])
}