// This is your Prisma schema file,
// learn more about it in the docs: https://pris.ly/d/prisma-schema

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

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

// User model for authentication and profile
model User {
  id            String    @id @default(cuid())
  name          String
  email         String    @unique
  emailVerified Boolean   @default(false)
  image         String?
  createdAt     DateTime  @default(now())
  updatedAt     DateTime  @updatedAt

  // Better Auth relations
  sessions      Session[]
  accounts      Account[]

  // App relations
  profile        Profile?
  activities    Activity[]
  participations Participation[]
  reviews       Review[]
  favoriteVenues VenueFavorite[]
  passwordResets PasswordReset[]
}

// Profile model for user details (separate from auth)
model Profile {
  id            String     @id @default(cuid())
  userId        String     @unique
  bio           String?
  phone         String?
  city          String?
  skillLevel    SkillLevel @default(BEGINNER)
  favoriteSports SportType[]
  createdAt     DateTime   @default(now())
  updatedAt     DateTime   @updatedAt

  // Relations
  user User @relation(fields: [userId], references: [id], onDelete: Cascade)
}

// Better Auth models
model Session {
  id        String   @id @default(cuid())
  userId    String
  expiresAt DateTime
  token     String   @unique
  ipAddress String?
  userAgent String?
  user      User     @relation(fields: [userId], references: [id], onDelete: Cascade)
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
}

model Account {
  id                String  @id @default(cuid())
  userId            String
  accountId         String
  providerId        String
  accessToken       String? @db.Text
  refreshToken      String? @db.Text
  idToken           String? @db.Text
  accessTokenExpiresAt DateTime?
  refreshTokenExpiresAt DateTime?
  scope             String?
  password          String?
  user              User     @relation(fields: [userId], references: [id], onDelete: Cascade)
  createdAt         DateTime @default(now())
  updatedAt         DateTime @updatedAt

  @@unique([providerId, accountId])
}

model Verification {
  id         String   @id @default(cuid())
  identifier String
  value      String
  expiresAt  DateTime
  createdAt  DateTime @default(now())
  updatedAt  DateTime @updatedAt

  @@unique([identifier, value])
}

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

// Sport types enumeration
enum SportType {
  FOOTBALL
  BASKETBALL
  TENNIS
  VOLLEYBALL
  BADMINTON
  TABLE_TENNIS
  RUNNING
  CYCLING
  SWIMMING
  GYM
  OTHER
}

// Skill level enumeration
enum SkillLevel {
  BEGINNER
  INTERMEDIATE
  ADVANCED
  EXPERT
}

// Activity status
enum ActivityStatus {
  OPEN
  FULL
  CANCELLED
  COMPLETED
}

// Gender preference
enum GenderPreference {
  MALE
  FEMALE
  MIXED
}

// Participation status
enum ParticipationStatus {
  CONFIRMED
  PENDING
  CANCELLED
}

// Venue (Športovisko) model
model Venue {
  id          String   @id @default(cuid())
  name        String
  description String?
  address     String
  city        String
  latitude    Float?
  longitude   Float?
  sportTypes  SportType[]
  amenities   String[] // e.g., ["parking", "showers", "lockers"]
  priceRange  String? // e.g., "Free", "5-10€", "10-20€"
  phone       String?
  website     String?
  image       String?
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  // Relations
  activities  Activity[]
  reviews     Review[]
  favorites   VenueFavorite[]

  @@index([city])
  @@index([sportTypes])
}

// Recurrence frequency enumeration
enum RecurrenceFrequency {
  NONE
  DAILY
  WEEKLY
  MONTHLY
}

// Activity (Športová aktivita) model
model Activity {
  id              String         @id @default(cuid())
  title           String
  description     String?
  sportType       SportType
  skillLevel      SkillLevel
  date            DateTime
  duration        Int // in minutes
  maxParticipants Int
  currentParticipants Int @default(0)
  status          ActivityStatus @default(OPEN)
  isPublic        Boolean        @default(true)
  
  // Filter fields for US-012
  gender          GenderPreference @default(MIXED)
  minAge          Int            @default(18)
  maxAge          Int            @default(99)
  price           Float          @default(0) // in EUR, 0 = free
  
  // Location fields - direct address input
  location        String // Full address from Google Maps
  locationName    String? // Optional custom name (e.g., "Park na Kolibe")
  latitude        Float?
  longitude       Float?
  
  // Recurrence fields
  isRecurring     Boolean        @default(false)
  recurrenceFrequency RecurrenceFrequency @default(NONE)
  recurrenceDays  Int[]          @default([]) // Days of week: 0=Sunday, 1=Monday, etc.
  recurrenceEndDate DateTime?    // When to stop creating recurring activities
  parentActivityId String?       // Reference to the original recurring activity
  
  // Venue is now optional for backward compatibility
  venueId         String?
  organizerId     String
  createdAt       DateTime       @default(now())
  updatedAt       DateTime       @updatedAt

  // Relations
  venue          Venue?          @relation(fields: [venueId], references: [id], onDelete: SetNull)
  organizer      User            @relation(fields: [organizerId], references: [id], onDelete: Cascade)
  participations Participation[]
  parentActivity Activity?       @relation("RecurringActivities", fields: [parentActivityId], references: [id], onDelete: SetNull)
  childActivities Activity[]     @relation("RecurringActivities")

  @@index([sportType])
  @@index([date])
  @@index([status])
  @@index([venueId])
  @@index([gender])
  @@index([skillLevel])
  @@index([parentActivityId])
  @@index([isRecurring])
}

// Participation (Účasť na aktivite) model
model Participation {
  id         String              @id @default(cuid())
  userId     String
  activityId String
  status     ParticipationStatus @default(CONFIRMED)
  guestCount Int                 @default(0) // Number of additional guests brought by this participant
  joinedAt   DateTime            @default(now())

  // Relations
  user     User     @relation(fields: [userId], references: [id], onDelete: Cascade)
  activity Activity @relation(fields: [activityId], references: [id], onDelete: Cascade)

  @@unique([userId, activityId])
  @@index([activityId])
}

// Review (Recenzia športoviska) model
model Review {
  id        String   @id @default(cuid())
  rating    Int // 1-5 stars
  comment   String?
  venueId   String
  userId    String
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  // Relations
  venue Venue @relation(fields: [venueId], references: [id], onDelete: Cascade)
  user  User  @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([venueId])
  @@index([userId])
}

// Venue favorites (Obľúbené športoviská)
model VenueFavorite {
  id        String   @id @default(cuid())
  userId    String
  venueId   String
  createdAt DateTime @default(now())

  // Relations
  user  User  @relation(fields: [userId], references: [id], onDelete: Cascade)
  venue Venue @relation(fields: [venueId], references: [id], onDelete: Cascade)

  @@unique([userId, venueId])
  @@index([userId])
}