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

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

/// Категория изделий (игрушки, сувениры и т.д.)
model Category {
  id       String    @id @default(cuid())
  name     String
  slug     String    @unique
  sort     Int       @default(0)
  products Product[]
}

model Product {
  id          String   @id @default(cuid())
  title       String
  slug        String   @unique
  shortDescription String?
  description String?
  /// Количество на складе (если null — не ведём учёт)
  quantity    Int?
  /// Материалы (список, например: ["хлопок","дерево"])
  materials   String   @default("[]")
  /// Цена в копейках (целое число, без дробной части)
  priceCents  Int
  imageUrl    String?
  published   Boolean  @default(false)
  inStock     Boolean  @default(true)
  leadTimeDays Int?
  category    Category @relation(fields: [categoryId], references: [id], onDelete: Cascade)
  categoryId  String
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  images ProductImage[]
  reviews Review[]
  orderItems OrderItem[]
  cartItems CartItem[]
}

model ProductImage {
  id        String   @id @default(cuid())
  url       String
  sort      Int      @default(0)
  createdAt DateTime @default(now())

  product   Product  @relation(fields: [productId], references: [id], onDelete: Cascade)
  productId String

  @@index([productId, sort])
}

model User {
  id           String   @id @default(cuid())
  email        String   @unique
  name         String?
  phone        String?
  passwordHash String?
  createdAt    DateTime @default(now())
  updatedAt    DateTime @updatedAt

  codes AuthCode[]
  addresses ShippingAddress[]
  cartItems CartItem[]
  orders Order[]
  reviews Review[]
}

model CartItem {
  id        String   @id @default(cuid())
  qty       Int
  createdAt DateTime @default(now())

  user   User   @relation(fields: [userId], references: [id], onDelete: Cascade)
  userId String

  product   Product @relation(fields: [productId], references: [id], onDelete: Cascade)
  productId String

  @@unique([userId, productId])
  @@index([userId])
}

model Order {
  id                  String      @id @default(cuid())
  /// Статус заказа (валидация переходов на уровне API)
  status              String      @default("DRAFT")
  totalCents          Int         @default(0)
  currency            String      @default("RUB")
  addressSnapshotJson String
  comment             String?
  createdAt           DateTime    @default(now())
  updatedAt           DateTime    @updatedAt

  user   User   @relation(fields: [userId], references: [id], onDelete: Cascade)
  userId String

  items    OrderItem[]
  messages OrderMessage[]

  @@index([userId, createdAt])
  @@index([status, updatedAt])
}

model OrderItem {
  id                 String @id @default(cuid())
  qty                Int
  titleSnapshot      String
  priceCentsSnapshot Int

  order   Order  @relation(fields: [orderId], references: [id], onDelete: Cascade)
  orderId String

  product   Product @relation(fields: [productId], references: [id], onDelete: Restrict)
  productId String

  @@index([orderId])
}

model OrderMessage {
  id         String            @id @default(cuid())
  /// 'user' | 'admin'
  authorType String
  text       String
  createdAt  DateTime          @default(now())

  order   Order  @relation(fields: [orderId], references: [id], onDelete: Cascade)
  orderId String

  @@index([orderId, createdAt])
}

model Review {
  id          String       @id @default(cuid())
  rating      Int
  text        String?
  /// 'pending' | 'approved' | 'rejected'
  status      String       @default("pending")
  createdAt   DateTime     @default(now())
  moderatedAt DateTime?

  product   Product @relation(fields: [productId], references: [id], onDelete: Cascade)
  productId String

  user   User   @relation(fields: [userId], references: [id], onDelete: Cascade)
  userId String

  @@index([productId, status, createdAt])
  @@index([status, createdAt])
  @@unique([productId, userId])
}

model ShippingAddress {
  id             String   @id @default(cuid())
  label          String?
  recipientName  String
  recipientPhone String
  addressLine    String
  comment        String?
  lat            Float
  lng            Float
  isDefault      Boolean  @default(false)
  createdAt      DateTime @default(now())
  updatedAt      DateTime @updatedAt

  user   User   @relation(fields: [userId], references: [id], onDelete: Cascade)
  userId String

  @@index([userId, isDefault])
  @@index([userId, updatedAt])
}

model AuthCode {
  id        String   @id @default(cuid())
  email     String
  codeHash  String
  purpose   String
  expiresAt DateTime
  usedAt    DateTime?
  createdAt DateTime @default(now())

  user   User?   @relation(fields: [userId], references: [id], onDelete: Cascade)
  userId String?

  @@index([email, purpose])
  @@index([expiresAt])
}