// This is your Prisma schema file,
// learn more about it in the docs: https://pris.ly/d/prisma-schema

// Get a free hosted Postgres database in seconds: `npx create-db`

generator client {
  provider = "prisma-client"
  output   = "./generated/"
}

datasource db {
  provider = "postgresql"
}

/// Product category, mirrored from Hiboutik. Categories form a tree (parent / children).
model Category {
  id        String   @id @default(uuid())
  updatedAt DateTime @updatedAt

  /// Enabled in the Hiboutik POS (category_enabled)
  enabled    Boolean @default(true)
  hiboutikId Int     @unique
  name       String
  /// Display order among its siblings (category_position)
  position   Int     @default(0)
  /// Displayed on the website (category_enabled_www)
  webEnabled Boolean @default(true)

  /// Null for a root category
  parent   Category?  @relation("CategoryTree", fields: [parentId], references: [id], onDelete: SetNull)
  parentId String?
  children Category[] @relation("CategoryTree")

  products Product[]

  @@map("categories")
}

/// Product brand, mirrored from Hiboutik.
model Brand {
  id        String   @id @default(uuid())
  updatedAt DateTime @updatedAt

  enabled    Boolean @default(true)
  hiboutikId Int     @unique
  name       String

  products Product[]

  @@map("brands")
}

/// Product supplier, mirrored from Hiboutik.
model Supplier {
  id        String   @id @default(uuid())
  updatedAt DateTime @updatedAt

  enabled    Boolean @default(true)
  hiboutikId Int     @unique
  name       String

  products Product[]

  @@map("suppliers")
}

/// Product mirrored from Hiboutik. What is actually sold is one of its versions (sizes).
model Product {
  id        String   @id @default(uuid())
  updatedAt DateTime @updatedAt

  /// Archived in Hiboutik (product_arch)
  archived          Boolean   @default(false)
  barcode           String?
  description       String
  /// Null when the product has no discount
  discountPrice     Decimal?  @db.Decimal(10, 2)
  /// Displayed on the website (product_display_www)
  enabled           Boolean   @default(true)
  /// Sum of the available stock of all its versions
  globalStock       Int       @default(0)
  hiboutikId        Int       @unique
  /// Last update in Hiboutik
  hiboutikUpdatedAt DateTime?
  name              String
  price             Decimal   @db.Decimal(10, 2)

  brand      Brand?    @relation(fields: [brandId], references: [id], onDelete: SetNull)
  brandId    String?
  category   Category? @relation(fields: [categoryId], references: [id], onDelete: SetNull)
  categoryId String?
  supplier   Supplier? @relation(fields: [supplierId], references: [id], onDelete: SetNull)
  supplierId String?

  versions ProductVersion[]

  @@map("products")
}

/// Sellable version of a product: one per Hiboutik size, or a single one (hiboutikSizeId 0) for a product without sizes.
model ProductVersion {
  id        String   @id @default(uuid())
  updatedAt DateTime @updatedAt

  /// Not unique: Hiboutik is the source of truth and may hold the same barcode on several products
  barcode        String?
  /// Size-specific discount, null when none
  discountPrice  Decimal? @db.Decimal(10, 2)
  /// Hiboutik size id, 0 for a product without sizes
  hiboutikSizeId Int
  /// Size-specific price, null to use the product price (copy of the product price for a product without sizes)
  price          Decimal? @db.Decimal(10, 2)
  stock          Int      @default(0)
  /// Size name, or the product name for a product without sizes
  versionName    String

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

  orderLines OrderLine[]

  @@unique([productId, hiboutikSizeId])
  @@index([barcode])
  @@map("productVersions")
}

/// Customer mirrored from Hiboutik.
model Customer {
  id        String   @id @default(uuid())
  updatedAt DateTime @updatedAt

  dateOfBirth       DateTime?
  /// Kept when removed in Hiboutik (an empty Hiboutik email does not erase it)
  email             String?
  firstName         String
  hiboutikId        Int       @unique
  /// Last update in Hiboutik
  hiboutikUpdatedAt DateTime?
  lastName          String
  phone             String?

  addresses CustomerAddress[]
  orders    Order[]

  @@index([email])
  @@map("customers")
}

/// Address of a customer, mirrored from Hiboutik. Its recipient (name, company, phone) can differ from the customer.
model CustomerAddress {
  id        String   @id @default(uuid())
  updatedAt DateTime @updatedAt

  address    String
  city       String
  company    String?
  country    String
  firstName  String
  hiboutikId Int     @unique
  isDefault  Boolean @default(false)
  lastName   String
  /// Free complement (building, floor, door code...)
  other      String?
  phone      String?
  state      String?
  zipCode    String

  customer   Customer @relation(fields: [customerId], references: [id], onDelete: Cascade)
  customerId String

  @@map("customer_addresses")
}

/// Where an order was placed.
enum OrderSource {
  STORE // hiboutik
  WEB // site
}

/// Order placed in store (Hiboutik sale) or on the website.
model Order {
  id        String   @id @default(uuid())
  updatedAt DateTime @updatedAt

  createdAt      DateTime    @default(now())
  /// Null for a website order not (yet) sent to Hiboutik
  hiboutikSaleId Int?        @unique
  orderedAt      DateTime
  source         OrderSource
  status         String
  total          Decimal     @db.Decimal(10, 2)

  /// Null for an anonymous sale or a deleted customer
  customer   Customer? @relation(fields: [customerId], references: [id], onDelete: SetNull)
  customerId String?

  lines OrderLine[]

  @@map("orders")
}

/// Line of an order.
model OrderLine {
  id        String   @id @default(uuid())
  updatedAt DateTime @updatedAt

  // Snapshot of the product at order time: the catalog can change or be deleted afterwards
  barcode           String?
  hiboutikProductId Int
  hiboutikSizeId    Int
  productName       String
  quantity          Int
  unitPrice         Decimal @db.Decimal(10, 2)
  versionName       String

  order            Order           @relation(fields: [orderId], references: [id], onDelete: Cascade)
  orderId          String
  // Link to the current catalog, set to null when the version is deleted
  productVersion   ProductVersion? @relation(fields: [productVersionId], references: [id], onDelete: SetNull)
  productVersionId String?

  @@map("order_lines")
}