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

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

model User {
  id           String   @id @default(cuid())
  email        String   @unique
  passwordHash String
  createdAt    DateTime @default(now())
  updatedAt    DateTime @updatedAt
  sessions     Session[]
  resetTokens  PasswordResetToken[]
}

model Session {
  id           String   @id @default(cuid())
  sessionToken String   @unique
  userId       String
  expiresAt    DateTime
  user         User     @relation(fields: [userId], references: [id], onDelete: Cascade)
}

model PasswordResetToken {
  id        String   @id @default(cuid())
  token     String   @unique
  userId    String
  expiresAt DateTime
  used      Boolean  @default(false)
  user      User     @relation(fields: [userId], references: [id], onDelete: Cascade)
}

model Order {
  id        String         @id @default(cuid())
  title     String
  status    String         @default("pending")
  notes     String?
  createdAt DateTime       @default(now())
  updatedAt DateTime       @updatedAt
  customers OrderCustomer[]
  items     OrderItem[]
}

model Customer {
  id        String           @id @default(cuid())
  name      String           @unique
  createdAt DateTime         @default(now())
  orders    OrderCustomer[]
  items     OrderItem[]
}

model OrderCustomer {
  orderId    String
  customerId String
  order      Order    @relation(fields: [orderId], references: [id], onDelete: Cascade)
  customer   Customer @relation(fields: [customerId], references: [id], onDelete: Cascade)

  @@id([orderId, customerId])
}

model OrderItem {
  id         String    @id @default(cuid())
  orderId    String
  customerId String?
  itemName   String
  initPrice  Float     @default(0)
  myPrice    Float     @default(0)
  taxRatio   Float     @default(0.16)
  quantity   Int       @default(1)
  netPrice   Float     @default(0)
  myNetPrice Float     @default(0)
  finalPrice Float     @default(0)
  order      Order     @relation(fields: [orderId], references: [id], onDelete: Cascade)
  customer   Customer? @relation(fields: [customerId], references: [id], onDelete: SetNull)
}