// 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")
}

model User {
  id            String    @id @default(cuid())
  spotifyId     String    @unique
  displayName   String
  email         String
  profileImage  String?
  accessToken   String
  refreshToken  String
  tokenExpiresAt DateTime
  createdAt     DateTime  @default(now())
  updatedAt     DateTime  @updatedAt
  
  // Relationships
  recentlyPlayed RecentlyPlayed[]
  currentlyPlaying CurrentlyPlaying[]
  topTracks     TopTrack[]
  topArtists    TopArtist[]
  playlists     Playlist[]
  
  @@map("users")
}

model RecentlyPlayed {
  id          String   @id @default(cuid())
  userId      String
  trackId     String
  trackName   String
  artistName  String
  albumName   String
  albumImage  String?
  playedAt    DateTime
  duration    Int
  createdAt   DateTime @default(now())
  
  user        User     @relation(fields: [userId], references: [id], onDelete: Cascade)
  
  @@unique([userId, trackId, playedAt])
  @@map("recently_played")
}

model CurrentlyPlaying {
  id          String   @id @default(cuid())
  userId      String
  trackId     String?
  trackName   String?
  artistName  String?
  albumName   String?
  albumImage  String?
  isPlaying   Boolean  @default(false)
  progressMs  Int?
  durationMs  Int?
  updatedAt   DateTime @updatedAt
  
  user        User     @relation(fields: [userId], references: [id], onDelete: Cascade)
  
  @@map("currently_playing")
}

model TopTrack {
  id          String   @id @default(cuid())
  userId      String
  trackId     String
  trackName   String
  artistName  String
  albumName   String
  albumImage  String?
  popularity  Int
  timeRange   String   // short_term, medium_term, long_term
  createdAt   DateTime @default(now())
  
  user        User     @relation(fields: [userId], references: [id], onDelete: Cascade)
  
  @@map("top_tracks")
}

model TopArtist {
  id          String   @id @default(cuid())
  userId      String
  artistId    String
  artistName  String
  artistImage String?
  popularity  Int
  timeRange   String   // short_term, medium_term, long_term
  createdAt   DateTime @default(now())
  
  user        User     @relation(fields: [userId], references: [id], onDelete: Cascade)
  
  @@map("top_artists")
}

model Playlist {
  id          String   @id @default(cuid())
  userId      String
  spotifyId   String?  // Spotify playlist ID if created
  name        String
  description String?
  imageUrl    String?
  isShared    Boolean  @default(false)
  createdAt   DateTime @default(now())
  
  user        User     @relation(fields: [userId], references: [id], onDelete: Cascade)
  tracks      PlaylistTrack[]
  
  @@map("playlists")
}

model PlaylistTrack {
  id          String   @id @default(cuid())
  playlistId  String
  trackId     String
  trackName   String
  artistName  String
  albumName   String
  albumImage  String?
  addedAt     DateTime @default(now())
  
  playlist    Playlist @relation(fields: [playlistId], references: [id], onDelete: Cascade)
  
  @@map("playlist_tracks")
}