// prisma/schema.prisma

generator client {
  provider   = "prisma-client-js"
  output     = "../node_modules/.prisma/client"
  engineType = "binary"
}

datasource db {
  provider = "postgresql"
}

// ─── Enums ──────────────────────────────────────────────────────

enum UserRole {
  USER
  SHELTER_ADMIN
  ADMIN
}

enum Species {
  DOG
  CAT
  OTHER
}

enum Sex {
  MALE
  FEMALE
}

enum AnimalStatus {
  AVAILABLE
  RESERVED
  ADOPTED
}

enum DonationType {
  MONETARY
  FOOD
  TOYS
}

enum ReservationStatus {
  PENDING
  CONFIRMED
  CANCELLED
  COMPLETED
}

enum DonationStatus {
  PENDING
  CONFIRMED
  DELIVERED
  CANCELLED
}

// ─── Models ─────────────────────────────────────────────────────

model User {
  id           String        @id @default(cuid())
  email        String        @unique
  password     String        // bcrypt hash — nunca em texto simples
  name         String
  birthdate    DateTime
  district     String
  role         UserRole      @default(USER)
  darkMode     Boolean       @default(false)
  emailVerified Boolean      @default(false)
  createdAt    DateTime      @default(now())
  updatedAt    DateTime      @updatedAt

  reservations Reservation[]
  donations    Donation[]

  @@index([email])
  @@index([district])
}

model Shelter {
  id           String        @id @default(cuid())
  name         String
  district     String
  address      String
  latitude     Float
  longitude    Float
  phone        String
  email        String        @unique
  passwordHash String
  description  String?
  website      String?
  // JSON: { mon: "09:00-18:00", tue: "09:00-18:00", ... , sun: null }
  openHours    Json
  verified     Boolean       @default(false)
  createdAt    DateTime      @default(now())
  updatedAt    DateTime      @updatedAt

  animals      Animal[]
  donations    Donation[]
  needs        ShelterNeed[]

  @@index([district])
}

model Animal {
  id           String        @id @default(cuid())
  shelterId    String
  shelter      Shelter       @relation(fields: [shelterId], references: [id])
  name         String
  species      Species
  breed        String?       // relevante para DOG e CAT
  ageMonths    Int           // idade em meses para precisão
  sex          Sex
  sterilized   Boolean
  status       AnimalStatus  @default(AVAILABLE)
  urgent       Boolean       @default(false)
  description  String?
  createdAt    DateTime      @default(now())
  updatedAt    DateTime      @updatedAt

  photos       AnimalPhoto[]
  reservations Reservation[]

  @@index([shelterId])
  @@index([species])
  @@index([status])
}

model AnimalPhoto {
  id        String   @id @default(cuid())
  animalId  String
  animal    Animal   @relation(fields: [animalId], references: [id], onDelete: Cascade)
  url       String
  isPrimary Boolean  @default(false)
  createdAt DateTime @default(now())

  @@index([animalId])
}

model Reservation {
  id        String            @id @default(cuid())
  userId    String
  user      User              @relation(fields: [userId], references: [id])
  animalId  String
  animal    Animal            @relation(fields: [animalId], references: [id])
  date      DateTime
  status    ReservationStatus @default(PENDING)
  emailSent Boolean           @default(false)
  notes     String?
  createdAt DateTime          @default(now())
  updatedAt DateTime          @updatedAt

  @@index([userId])
  @@index([animalId])
  @@index([date])
}

model Donation {
  id        String         @id @default(cuid())
  userId    String
  user      User           @relation(fields: [userId], references: [id])
  shelterId String
  shelter   Shelter        @relation(fields: [shelterId], references: [id])
  type      DonationType
  // Para FOOD: { foodType: "dry|wet", animalType: "dog|cat", ageGroup: "adult|puppy" }
  // Para TOYS: { category: "chew|plush|interactive" }
  // Para MONETARY: { amount: 25.00, currency: "EUR" }
  // Partilhado: { deliveryMethod: "pickup|home_delivery", address?: "..." }
  details   Json
  status    DonationStatus @default(PENDING)
  emailSent Boolean        @default(false)
  createdAt DateTime       @default(now())
  updatedAt DateTime       @updatedAt

  payment   Payment?

  @@index([userId])
  @@index([shelterId])
  @@index([type])
}

model Payment {
  id             String   @id @default(cuid())
  donationId     String   @unique
  donation       Donation @relation(fields: [donationId], references: [id])
  stripePaymentId String  @unique
  amount         Int      // em cêntimos (ex: 2500 = 25,00€)
  currency       String   @default("eur")
  status         String   // stripe payment status
  receiptUrl     String?
  createdAt      DateTime @default(now())
  updatedAt      DateTime @updatedAt
}

model ShelterNeed {
  id          String   @id @default(cuid())
  shelterId   String
  shelter     Shelter  @relation(fields: [shelterId], references: [id])
  type        String   // "food_dry_dog", "toys", "blankets", etc.
  description String?
  urgent      Boolean  @default(false)
  active      Boolean  @default(true)
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  @@index([shelterId])
  @@index([active])
}