petmaster/api/prisma/schema.prisma

model Client {
  id        String   @id @default(cuid())
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
  firstName String
  lastName  String
  email     String   @unique
  phone     String?
  address   String?
  notes     String?  @default("")
  customFields Json?
  isActive  Boolean  @default(true)

  pets      Pet[]
  bookings  Booking[]
  invoices  Invoice[]
  messages  Message[]  @relation("ClientMessages")

  @@map("clients")
}

model Pet {
  id        String   @id @default(cuid())
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
  name      String
  species   String
  breed     String?
  age       Int?
  weight    String?  // e.g. "55 lbs"
  color     String?
  tags      String[] @default([])
  notes     String?  @default("")
  customFields Json?
  clientId  String
  client    Client   @relation(fields: [clientId], references: [id], onDelete: Cascade)

  @@map("pets")
}

model Service {
  id        String   @id @default(cuid())
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
  name      String
  description String @default("")
  duration  Int      // minutes
  basePrice Float    // dollars

  perClientPricing ClientPricing[]

  @@map("services")
}

model ClientPricing {
  id        String   @id @default(cuid())
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
  price     Float
  discountType String @default("none") // none, percentage, flat
  discountValue Float @default(0)

  serviceId String
  service   Service @relation(fields: [serviceId], references: [id], onDelete: Cascade)
  clientId  String
  client    Client  @relation(fields: [clientId], references: [id], onDelete: Cascade)

  @@unique([serviceId, clientId])
  @@map("client_pricing")
}

model Booking {
  id          String    @id @default(cuid())
  createdAt   DateTime  @default(now())
  updatedAt   DateTime  @updatedAt
  startAt     DateTime
  endAt       DateTime
  status      BookingStatus @default(scheduled)
  notes       String?   @default("")
  customFields Json?

  clientId    String
  client      Client    @relation(fields: [clientId], references: [id])
  serviceId   String
  service     Service   @relation(fields: [serviceId], references: [id])
  assignedStaff String?
  priceOverride Float?
  petId       String?
  pet         Pet?      @relation(fields: [petId], references: [id])
  invoice     Invoice?

  recurringRule Json? // { interval: "weekly" | "biweekly" | "monthly", count: Int, endDate: DateTime? }

  @@map("bookings")
}

enum BookingStatus {
  scheduled
  confirmed
  in_progress
  completed
  cancelled
}

model Invoice {
  id          String       @id @default(cuid())
  createdAt   DateTime     @default(now())
  updatedAt   DateTime     @updatedAt
  invoiceNumber String     @unique
  dueDate     DateTime
  status      InvoiceStatus @default(draft)
  stripePaymentIntentId String?
  subtotal    Float        @default(0)
  tax         Float        @default(0)
  total       Float        @default(0)
  notes       String?      @default("")

  clientId    String
  client      Client       @relation(fields: [clientId], references: [id])
  bookingId   String?
  booking     Booking?     @relation(fields: [bookingId], references: [id])

  items       InvoiceItem[]

  @@map("invoices")
}

enum InvoiceStatus {
  draft
  sent
  paid
  overdue
  cancelled
}

model InvoiceItem {
  id          String   @id @default(cuid())
  createdAt   DateTime @default(now())
  description String
  quantity    Int      @default(1)
  unitPrice   Float
  amount      Float

  invoiceId   String
  invoice     Invoice  @relation(fields: [invoiceId], references: [id], onDelete: Cascade)

  @@map("invoice_items")
}

model Message {
  id        String   @id @default(cuid())
  createdAt DateTime @default(now())
  readAt    DateTime?
  content   String
  isFromStaff Boolean @default(false)

  clientId  String
  client    Client   @relation("ClientMessages", fields: [clientId], references: [id])
  staffId   String   // staff member identifier

  @@map("messages")
}