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

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

enum MediaType {
  IMAGE
  VIDEO
  AUDIO
  OTHER
}

enum PlacementMode {
  RANKING           // Position determined by likes ranking
  FIXED_POSITION    // Position manually set by admin
  FIXED_SIZE_RANKING // Position from ranking, but size is fixed
  FIXED_POSITION_ADJUSTABLE // Position and size set by admin
}

model MediaItem {
  id            Int           @id @default(autoincrement())
  relativePath  String        @unique  // Path relative to MEDIA_ROOT, e.g. "Fotobox/001.jpg"
  filename      String                 // Just the filename, e.g. "001.jpg"
  directory     String                 // Parent directory, e.g. "Fotobox"
  mediaType     MediaType     @default(IMAGE)
  mimeType      String        @default("application/octet-stream")
  fileSize      BigInt        @default(0)
  width         Int?                   // Pixels, for images and videos
  height        Int?                   // Pixels, for images and videos
  duration      Float?                 // Seconds, for video and audio
  
  // Publication
  published     Boolean       @default(false)
  
  // Layout / Placement
  featured      Boolean       @default(false)    // Prominent/title image
  placementMode PlacementMode @default(RANKING)
  gridColumn    Int?                   // For fixed position (grid column start)
  gridRow       Int?                   // For fixed position (grid row start)
  gridWidth     Int           @default(1) // Width in grid units
  gridHeight    Int           @default(1) // Height in grid units
  sortOrder     Int           @default(0) // Manual sort order / ranking tiebreak
  
  // Processing status
  thumbnailReady Boolean      @default(false)
  previewReady   Boolean      @default(false)
  
  // File tracking
  fileHash      String?                // For detecting file changes
  lastModified  DateTime?              // File's mtime from filesystem
  lastScanned   DateTime     @default(now())
  
  // Timestamps
  createdAt     DateTime     @default(now())
  updatedAt     DateTime     @updatedAt
  
  // Relations
  likes         Like[]
  
  @@index([published])
  @@index([directory])
  @@index([mediaType])
  @@index([published, sortOrder])
  @@index([published, placementMode])
}

model Like {
  id          Int      @id @default(autoincrement())
  mediaItemId Int
  ipHash      String   // SHA-256 hash of IP address
  fingerprint String?  // Optional browser fingerprint hash
  createdAt   DateTime @default(now())
  
  mediaItem   MediaItem @relation(fields: [mediaItemId], references: [id], onDelete: Cascade)
  
  @@unique([mediaItemId, ipHash]) // One like per IP per media item
  @@index([ipHash])
  @@index([mediaItemId])
  @@index([createdAt])
}

model AppSettings {
  id            Int      @id @default(1)
  votingOpen    Boolean  @default(false)
  zipVersion    Int      @default(0)
  zipReady      Boolean  @default(false)
  zipBuildAt    DateTime?
  zipFilePath   String?  // Path to current valid ZIP
  lastScanAt    DateTime?
  updatedAt     DateTime @updatedAt
}

model AdminSession {
  id        String   @id @default(uuid())
  ipAddress String
  userAgent String   @default("")
  createdAt DateTime @default(now())
  expiresAt DateTime
  
  @@index([expiresAt])
}

model RateLimitEntry {
  id          Int      @id @default(autoincrement())
  ipHash      String
  action      String   // e.g. "login", "like"
  windowStart DateTime
  count       Int      @default(1)
  
  @@unique([ipHash, action, windowStart])
  @@index([ipHash, action, windowStart])
  @@index([windowStart])  // For cleanup of old entries
}