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

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

enum Role {
  USER
  ADMIN
}

enum ReservationStatus {
  PENDING
  CONFIRMED
  CANCELLED
  COMPLETED
}

enum DishAvailability {
  AVAILABLE
  STOPPED
}

model User {
  id           Int           @id @default(autoincrement())
  phone        String        @unique @db.VarChar(20)
  password     String        @db.VarChar(255)
  name         String        @db.VarChar(100)
  surname      String?       @db.VarChar(100)
  email        String?       @db.VarChar(255)
  role         Role          @default(USER)
  cardToken    String?       @db.VarChar(255)
  cardLastFour String?       @db.VarChar(4)
  createdAt    DateTime      @default(now())
  updatedAt    DateTime      @updatedAt
  reservations Reservation[]
}

model Pub {
  id           Int           @id @default(autoincrement())
  address      String        @unique @db.VarChar(255)
  phone        String        @db.VarChar(20)
  name         String        @db.VarChar(100)
  createdAt    DateTime      @default(now())
  tables       Table[]
  menus        Menu[]
  lunchMenus   LunchMenu[]
  billboards   Billboard[]
  reservations Reservation[]
}

model Table {
  id           Int           @id @default(autoincrement())
  pubId        Int
  number       Int
  capacity     Int
  posX         Float
  posY         Float
  width        Float         @default(60)
  height       Float         @default(60)
  shape        String        @default("rect") @db.VarChar(20)
  zone         String?       @db.VarChar(50)
  pub          Pub           @relation(fields: [pubId], references: [id])
  reservations Reservation[]

  @@unique([pubId, number])
}

model Category {
  id     Int    @id @default(autoincrement())
  title  String @unique @db.VarChar(100)
  dishes Dish[]
}

model Dish {
  id           Int               @id @default(autoincrement())
  title        String            @db.VarChar(100)
  description  String?           @db.Text
  categoryId   Int
  grams        Int?
  price        Decimal           @db.Decimal(10, 2)
  photo        String?           @db.VarChar(255)
  availability DishAvailability  @default(AVAILABLE)
  category     Category          @relation(fields: [categoryId], references: [id])
  menus        Menu[]
  lunchMenus   LunchMenu[]
  orderItems   ReservationDish[]
}

model Menu {
  id     Int  @id @default(autoincrement())
  pubId  Int
  dishId Int
  pub    Pub  @relation(fields: [pubId], references: [id])
  dish   Dish @relation(fields: [dishId], references: [id])

  @@unique([pubId, dishId])
}

model LunchMenu {
  id        Int      @id @default(autoincrement())
  pubId     Int
  dishId    Int
  weekStart DateTime @db.Date
  weekEnd   DateTime @db.Date
  pub       Pub      @relation(fields: [pubId], references: [id])
  dish      Dish     @relation(fields: [dishId], references: [id])

  @@unique([pubId, dishId, weekStart])
}

model Billboard {
  id       Int      @id @default(autoincrement())
  title    String   @db.VarChar(200)
  artist   String   @db.VarChar(100)
  pubId    Int
  datetime DateTime
  poster   String?  @db.VarChar(255)
  pub      Pub      @relation(fields: [pubId], references: [id])
}

model Reservation {
  id        Int               @id @default(autoincrement())
  userId    Int
  pubId     Int
  tableId   Int
  date      DateTime          @db.Date
  time      DateTime          @db.Time()
  numPeople Int
  status    ReservationStatus @default(PENDING)
  totalCost Decimal?          @db.Decimal(10, 2)
  prepaid   Decimal?          @db.Decimal(10, 2)
  paymentId String?           @db.VarChar(255)
  createdAt DateTime          @default(now())
  updatedAt DateTime          @updatedAt
  user      User              @relation(fields: [userId], references: [id])
  pub       Pub               @relation(fields: [pubId], references: [id])
  table     Table             @relation(fields: [tableId], references: [id])
  dishes    ReservationDish[]
}

model ReservationDish {
  id            Int         @id @default(autoincrement())
  reservationId Int
  dishId        Int
  quantity      Int         @default(1)
  priceAtOrder  Decimal     @db.Decimal(10, 2)
  reservation   Reservation @relation(fields: [reservationId], references: [id], onDelete: Cascade)
  dish          Dish        @relation(fields: [dishId], references: [id])

  @@unique([reservationId, dishId])
}