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

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

enum BookingStatus {
  received
  contacting
  confirmed
  completed
  cancelled
}

enum BookingRequestType {
  package
  private_chef
}

enum ContactPreference {
  wechat
  phone
  none
}

enum FulfillmentType {
  pickup
  delivery
}

model BrandProfile {
  id             String          @id @default(uuid())
  name           String
  tagline        String?
  description    String?
  avatarUrl      String?
  coverUrl       String?
  hours          String?
  address        String?
  deliveryNote   String?
  contactPhone   String?
  contactWechat  String?
  createdAt      DateTime        @default(now())
  updatedAt      DateTime        @updatedAt
  services       Service[]
  bookings       Booking[]
  customerUsers  CustomerUser[]
  tags           Tag[]
}

model Service {
  id              String        @id @default(uuid())
  brandId         String
  brand           BrandProfile  @relation(fields: [brandId], references: [id])
  name            String
  description     String
  coverUrl        String?
  priceText       String?
  priceAmount     Int?
  bookingEnabled  Boolean       @default(true)
  isEnabled       Boolean       @default(true)
  sortOrder       Int           @default(0)
  createdAt       DateTime      @default(now())
  updatedAt       DateTime      @updatedAt
  bookings        Booking[]
  bookingItems    BookingItem[]
  @@index([brandId, isEnabled, sortOrder])
}

model CustomerUser {
  id           String        @id @default(uuid())
  brandId      String
  brand        BrandProfile  @relation(fields: [brandId], references: [id])
  openid       String
  lastLoginAt  DateTime      @default(now())
  createdAt    DateTime      @default(now())
  updatedAt    DateTime      @updatedAt
  bookings     Booking[]
  @@unique([brandId, openid])
}

model Booking {
  id                 String            @id @default(uuid())
  bookingNo          String            @unique
  brandId            String
  brand              BrandProfile      @relation(fields: [brandId], references: [id])
  customerUserId     String
  customerUser       CustomerUser      @relation(fields: [customerUserId], references: [id])
  requestType        BookingRequestType
  customerName       String
  phone              String?
  wechatId           String?
  contactPreference  ContactPreference
  fulfillmentType    FulfillmentType?
  serviceId          String?
  service            Service?          @relation(fields: [serviceId], references: [id], onDelete: SetNull)
  requestedDate      DateTime?
  requestedTime      String?
  deliveryAddress    String?
  estimatedAmount    Int?
  extraData          Json?
  note               String?
  adminNote          String?
  status             BookingStatus     @default(received)
  isRead             Boolean           @default(false)
  createdAt          DateTime          @default(now())
  updatedAt          DateTime          @updatedAt
  items              BookingItem[]
  tags               BookingTag[]
  @@index([brandId, status, createdAt])
  @@index([customerUserId, createdAt])
}

model BookingItem {
  id                 String   @id @default(uuid())
  bookingId          String
  booking            Booking  @relation(fields: [bookingId], references: [id], onDelete: Cascade)
  serviceId          String?
  service            Service? @relation(fields: [serviceId], references: [id], onDelete: SetNull)
  serviceNameSnapshot String
  unitPriceSnapshot  Int
  quantity           Int
  subtotalSnapshot   Int
}

model Tag {
  id         String       @id @default(uuid())
  brandId    String
  brand      BrandProfile @relation(fields: [brandId], references: [id])
  name       String
  isPreset   Boolean      @default(false)
  isEnabled  Boolean      @default(true)
  createdAt  DateTime     @default(now())
  bookings   BookingTag[]
  @@unique([brandId, name])
}

model AdminUser {
  id           String   @id @default(uuid())
  username     String   @unique
  passwordHash String
  displayName  String
  role         String   @default("admin")
  isEnabled    Boolean  @default(true)
  lastLoginAt  DateTime?
  createdAt    DateTime @default(now())
  updatedAt    DateTime @updatedAt
}

model BookingTag {
  bookingId String
  tagId     String
  booking   Booking @relation(fields: [bookingId], references: [id], onDelete: Cascade)
  tag       Tag     @relation(fields: [tagId], references: [id], onDelete: Cascade)
  @@id([bookingId, tagId])
}