Replace database with simple JSON file storage

app/api/playlists/[id]/route.ts

@@ -1,5 +1,5 @@
 import { NextRequest, NextResponse } from 'next/server'
-import { getDb } from '@/lib/db'
+import { db } from '@/lib/db'
 
 export async function DELETE(
   request: NextRequest,
@@ -8,8 +8,7 @@ export async function DELETE(
   try {
     const { id } = await params
 
-    const db = getDb()
-    db.prepare('DELETE FROM playlists WHERE id = ?').run(id)
+    db.deletePlaylist(id)
 
     console.log('[API] Playlist deleted:', id)
     return NextResponse.json({ success: true })
@@ -29,8 +28,7 @@ export async function GET(
   try {
     const { id } = await params
 
-    const db = getDb()
-    const playlist = db.prepare('SELECT * FROM playlists WHERE id = ?').get(id) as any
+    const playlist = db.getPlaylistById(id)
 
     if (!playlist) {
       return NextResponse.json(
@@ -40,16 +38,13 @@ export async function GET(
     }
 
     // Get songs for this playlist
-    const songs = db.prepare(`
-      SELECT s.*, ps.addedAt FROM songs s
-      INNER JOIN playlistSongs ps ON s.id = ps.songId
-      WHERE ps.playlistId = ?
-      ORDER BY ps.addedAt ASC
-    `).all(id)
+    const playlistSongs = db.getPlaylistSongs(id)
+    const playlistWithSongs = {
+      ...playlist,
+      playlistSongs
+    }
 
-    playlist.playlistSongs = songs.map((song: any) => ({ song }))
-
-    return NextResponse.json(playlist)
+    return NextResponse.json(playlistWithSongs)
   } catch (error) {
     console.error('[API] Error fetching playlist:', error)
     return NextResponse.json(

app/api/playlists/[id]/songs/[songId]/route.ts

@@ -1,5 +1,5 @@
 import { NextRequest, NextResponse } from 'next/server'
-import { getDb } from '@/lib/db'
+import { db } from '@/lib/db'
 
 export async function DELETE(
   request: NextRequest,
@@ -8,8 +8,7 @@ export async function DELETE(
   try {
     const { id, songId } = await params
 
-    const db = getDb()
-    db.prepare('DELETE FROM playlistSongs WHERE playlistId = ? AND songId = ?').run(id, songId)
+    db.removeSongFromPlaylist(id, songId)
 
     console.log('[API] Song removed from playlist')
     return NextResponse.json({ success: true })

app/api/playlists/[id]/songs/route.ts

@@ -1,6 +1,5 @@
 import { NextRequest, NextResponse } from 'next/server'
-import { getDb } from '@/lib/db'
-import { randomBytes } from 'crypto'
+import { db } from '@/lib/db'
 
 export async function POST(
   request: NextRequest,
@@ -17,30 +16,16 @@ export async function POST(
       )
     }
 
-    // Check if already in playlist
-    const db = getDb()
-    const existing = db.prepare('SELECT * FROM playlistSongs WHERE playlistId = ? AND songId = ?').get(id, songId)
+    const playlistSong = db.addSongToPlaylist(id, songId)
 
-    if (existing) {
+    if (!playlistSong) {
       return NextResponse.json(
         { error: 'Song already in playlist' },
         { status: 400 }
       )
     }
 
-    // Get next position
-    const maxPosition = db.prepare('SELECT MAX(position) as max FROM playlistSongs WHERE playlistId = ?').get(id) as any
-    const position = (maxPosition?.max ?? -1) + 1
-
-    const playlistSongId = randomBytes(16).toString('hex')
-    db.prepare(`
-      INSERT INTO playlistSongs (id, playlistId, songId, position)
-      VALUES (?, ?, ?, ?)
-    `).run(playlistSongId, id, songId, position)
-
-    const playlistSong = db.prepare('SELECT * FROM playlistSongs WHERE id = ?').get(playlistSongId)
-
-    console.log('[API] Song added to playlist:', playlistSongId)
+    console.log('[API] Song added to playlist:', playlistSong.id)
     return NextResponse.json(playlistSong)
   } catch (error) {
     console.error('[API] Error adding song to playlist:', error)

app/api/playlists/route.ts

@@ -1,24 +1,16 @@
 import { NextRequest, NextResponse } from 'next/server'
-import { getDb } from '@/lib/db'
-import { randomBytes } from 'crypto'
+import { db } from '@/lib/db'
 
 export async function GET() {
   try {
-    const db = getDb()
-    const playlists = db.prepare('SELECT * FROM playlists ORDER BY createdAt DESC').all() as any[]
+    const playlists = db.getPlaylists()
 
     // Get songs for each playlist
     const playlistsWithSongs = playlists.map(playlist => {
-      const songs = db.prepare(`
-        SELECT s.* FROM songs s
-        INNER JOIN playlistSongs ps ON s.id = ps.songId
-        WHERE ps.playlistId = ?
-        ORDER BY ps.position
-      `).all(playlist.id)
-
+      const playlistSongs = db.getPlaylistSongs(playlist.id)
       return {
         ...playlist,
-        playlistSongs: songs.map((song: any) => ({ song }))
+        playlistSongs
       }
     })
 
@@ -43,13 +35,9 @@ export async function POST(request: NextRequest) {
       )
     }
 
-    const db = getDb()
-    const playlistId = randomBytes(16).toString('hex')
-    db.prepare('INSERT INTO playlists (id, name) VALUES (?, ?)').run(playlistId, name)
+    const playlist = db.createPlaylist(name)
 
-    const playlist = db.prepare('SELECT * FROM playlists WHERE id = ?').get(playlistId)
-
-    console.log('[API] Playlist created:', playlistId)
+    console.log('[API] Playlist created:', playlist.id)
     return NextResponse.json(playlist)
   } catch (error) {
     console.error('[API] Error creating playlist:', error)

app/api/songs/[id]/route.ts

@@ -1,5 +1,5 @@
 import { NextRequest, NextResponse } from 'next/server'
-import { getDb } from '@/lib/db'
+import { db } from '@/lib/db'
 
 export async function DELETE(
   request: NextRequest,
@@ -10,8 +10,7 @@ export async function DELETE(
 
     // Instead of deleting, mark as not in library
     // This keeps the song in playlists but removes it from main library
-    const db = getDb()
-    db.prepare('UPDATE songs SET isInLibrary = 0 WHERE id = ?').run(id)
+    db.updateSong(id, { isInLibrary: false })
 
     console.log('[API] Song removed from library:', id)
     return NextResponse.json({ success: true })

app/api/songs/route.ts

@@ -1,7 +1,6 @@
 import { NextRequest, NextResponse } from 'next/server'
-import { getDb } from '@/lib/db'
+import { db } from '@/lib/db'
 import { getYoutubeMetadata } from '@/lib/ytdlp'
-import { randomBytes } from 'crypto'
 
 export async function POST(request: NextRequest) {
   try {
@@ -21,16 +20,14 @@ export async function POST(request: NextRequest) {
     console.log('[API] Got metadata:', metadata)
 
     // Check if song already exists
-    const db = getDb()
-    const existingSong = db.prepare('SELECT * FROM songs WHERE youtubeId = ?').get(metadata.id) as any
+    const existingSong = db.getSongByYoutubeId(metadata.id)
 
     if (existingSong) {
       console.log('[API] Song already exists:', existingSong.id)
       
       // If song was previously removed from library, restore it
       if (!existingSong.isInLibrary) {
-        db.prepare('UPDATE songs SET isInLibrary = 1 WHERE id = ?').run(existingSong.id)
-        const updatedSong = db.prepare('SELECT * FROM songs WHERE id = ?').get(existingSong.id)
+        const updatedSong = db.updateSong(existingSong.id, { isInLibrary: true })
         console.log('[API] Song restored to library:', existingSong.id)
         return NextResponse.json(updatedSong)
       }
@@ -39,15 +36,15 @@ export async function POST(request: NextRequest) {
     }
 
     // Create new song in database
-    const songId = randomBytes(16).toString('hex')
-    db.prepare(`
-      INSERT INTO songs (id, youtubeId, title, channelName, thumbnail, duration)
-      VALUES (?, ?, ?, ?, ?, ?)
-    `).run(songId, metadata.id, metadata.title, metadata.channel, metadata.thumbnail, metadata.duration)
+    const song = db.createSong({
+      youtubeId: metadata.id,
+      title: metadata.title,
+      channelName: metadata.channel,
+      thumbnail: metadata.thumbnail,
+      duration: metadata.duration,
+    })
 
-    const song = db.prepare('SELECT * FROM songs WHERE id = ?').get(songId)
-
-    console.log('[API] Song created successfully:', songId)
+    console.log('[API] Song created successfully:', song.id)
     return NextResponse.json(song)
   } catch (error) {
     console.error('[API] Error adding song:', error)
@@ -60,8 +57,7 @@ export async function POST(request: NextRequest) {
 
 export async function GET() {
   try {
-    const db = getDb()
-    const songs = db.prepare('SELECT * FROM songs WHERE isInLibrary = 1 ORDER BY createdAt DESC').all()
+    const songs = db.getSongs()
     return NextResponse.json(songs)
   } catch (error) {
     console.error('Error fetching songs:', error)

app/api/stream/[id]/route.ts

@@ -1,5 +1,5 @@
 import { NextRequest, NextResponse } from 'next/server'
-import { getDb } from '@/lib/db'
+import { db } from '@/lib/db'
 import { getStreamUrl } from '@/lib/ytdlp'
 import { streamCache } from '@/lib/cache'
 
@@ -11,8 +11,7 @@ export async function GET(
     const { id } = await params
 
     // Get song from database
-    const db = getDb()
-    const song = db.prepare('SELECT * FROM songs WHERE id = ?').get(id) as any
+    const song = db.getSongById(id)
 
     if (!song) {
       return NextResponse.json(

lib/db.ts

@@ -1,60 +1,182 @@
-import Database from 'better-sqlite3'
+import { readFileSync, writeFileSync, existsSync, mkdirSync } from 'fs'
 import { join } from 'path'
-import { mkdirSync, existsSync } from 'fs'
+import { randomBytes } from 'crypto'
 
-let db: Database.Database | null = null
+interface Song {
+  id: string
+  youtubeId: string
+  title: string
+  channelName: string
+  thumbnail: string
+  duration: number
+  isInLibrary: boolean
+  createdAt: number
+}
 
-export function getDb() {
-  if (db) return db
+interface Playlist {
+  id: string
+  name: string
+  createdAt: number
+}
 
-  const dataDir = join(process.cwd(), 'data')
+interface PlaylistSong {
+  id: string
+  playlistId: string
+  songId: string
+  position: number
+  addedAt: number
+}
 
-  // Create data directory if it doesn't exist
+interface Database {
+  songs: Song[]
+  playlists: Playlist[]
+  playlistSongs: PlaylistSong[]
+}
+
+const dataDir = join(process.cwd(), 'data')
+const dbPath = join(dataDir, 'db.json')
+
+function ensureDataDir() {
   if (!existsSync(dataDir)) {
     mkdirSync(dataDir, { recursive: true })
   }
+}
 
-  const dbPath = join(dataDir, 'bitify.db')
-  db = new Database(dbPath)
-
-  // Enable foreign keys
-  db.pragma('foreign_keys = ON')
-
-  // Create tables
-  db.exec(`
-    CREATE TABLE IF NOT EXISTS songs (
-      id TEXT PRIMARY KEY,
-      youtubeId TEXT UNIQUE NOT NULL,
-      title TEXT NOT NULL,
-      channelName TEXT NOT NULL,
-      thumbnail TEXT NOT NULL,
-      duration INTEGER NOT NULL,
-      isInLibrary INTEGER DEFAULT 1,
-      createdAt INTEGER DEFAULT (unixepoch())
-    );
-
-    CREATE TABLE IF NOT EXISTS playlists (
-      id TEXT PRIMARY KEY,
-      name TEXT NOT NULL,
-      createdAt INTEGER DEFAULT (unixepoch())
-    );
-
-    CREATE TABLE IF NOT EXISTS playlistSongs (
-      id TEXT PRIMARY KEY,
-      playlistId TEXT NOT NULL,
-      songId TEXT NOT NULL,
-      position INTEGER NOT NULL,
-      addedAt INTEGER DEFAULT (unixepoch()),
-      FOREIGN KEY (playlistId) REFERENCES playlists(id) ON DELETE CASCADE,
-      FOREIGN KEY (songId) REFERENCES songs(id) ON DELETE CASCADE,
-      UNIQUE(playlistId, songId)
-    );
-
-    CREATE INDEX IF NOT EXISTS idx_songs_youtubeId ON songs(youtubeId);
-    CREATE INDEX IF NOT EXISTS idx_songs_isInLibrary ON songs(isInLibrary);
-    CREATE INDEX IF NOT EXISTS idx_playlistSongs_playlistId ON playlistSongs(playlistId);
-    CREATE INDEX IF NOT EXISTS idx_playlistSongs_songId ON playlistSongs(songId);
-  `)
-
-  return db
+function readDb(): Database {
+  ensureDataDir()
+  
+  if (!existsSync(dbPath)) {
+    const initialDb: Database = {
+      songs: [],
+      playlists: [],
+      playlistSongs: []
+    }
+    writeFileSync(dbPath, JSON.stringify(initialDb, null, 2))
+    return initialDb
+  }
+  
+  return JSON.parse(readFileSync(dbPath, 'utf-8'))
+}
+
+function writeDb(db: Database) {
+  ensureDataDir()
+  writeFileSync(dbPath, JSON.stringify(db, null, 2))
+}
+
+export const db = {
+  // Songs
+  getSongs: () => {
+    const data = readDb()
+    return data.songs.filter(s => s.isInLibrary).sort((a, b) => b.createdAt - a.createdAt)
+  },
+  
+  getSongById: (id: string) => {
+    const data = readDb()
+    return data.songs.find(s => s.id === id)
+  },
+  
+  getSongByYoutubeId: (youtubeId: string) => {
+    const data = readDb()
+    return data.songs.find(s => s.youtubeId === youtubeId)
+  },
+  
+  createSong: (song: Omit<Song, 'id' | 'createdAt' | 'isInLibrary'>) => {
+    const data = readDb()
+    const newSong: Song = {
+      ...song,
+      id: randomBytes(16).toString('hex'),
+      isInLibrary: true,
+      createdAt: Date.now()
+    }
+    data.songs.push(newSong)
+    writeDb(data)
+    return newSong
+  },
+  
+  updateSong: (id: string, updates: Partial<Song>) => {
+    const data = readDb()
+    const index = data.songs.findIndex(s => s.id === id)
+    if (index !== -1) {
+      data.songs[index] = { ...data.songs[index], ...updates }
+      writeDb(data)
+      return data.songs[index]
+    }
+    return null
+  },
+  
+  // Playlists
+  getPlaylists: () => {
+    const data = readDb()
+    return data.playlists.sort((a, b) => b.createdAt - a.createdAt)
+  },
+  
+  getPlaylistById: (id: string) => {
+    const data = readDb()
+    return data.playlists.find(p => p.id === id)
+  },
+  
+  createPlaylist: (name: string) => {
+    const data = readDb()
+    const newPlaylist: Playlist = {
+      id: randomBytes(16).toString('hex'),
+      name,
+      createdAt: Date.now()
+    }
+    data.playlists.push(newPlaylist)
+    writeDb(data)
+    return newPlaylist
+  },
+  
+  deletePlaylist: (id: string) => {
+    const data = readDb()
+    data.playlists = data.playlists.filter(p => p.id !== id)
+    data.playlistSongs = data.playlistSongs.filter(ps => ps.playlistId !== id)
+    writeDb(data)
+  },
+  
+  // Playlist Songs
+  getPlaylistSongs: (playlistId: string) => {
+    const data = readDb()
+    const playlistSongs = data.playlistSongs
+      .filter(ps => ps.playlistId === playlistId)
+      .sort((a, b) => a.position - b.position)
+    
+    return playlistSongs.map(ps => {
+      const song = data.songs.find(s => s.id === ps.songId)
+      return { ...ps, song }
+    }).filter(ps => ps.song)
+  },
+  
+  addSongToPlaylist: (playlistId: string, songId: string) => {
+    const data = readDb()
+    
+    // Check if already exists
+    if (data.playlistSongs.find(ps => ps.playlistId === playlistId && ps.songId === songId)) {
+      return null
+    }
+    
+    // Get next position
+    const playlistSongs = data.playlistSongs.filter(ps => ps.playlistId === playlistId)
+    const maxPosition = playlistSongs.length > 0 ? Math.max(...playlistSongs.map(ps => ps.position)) : -1
+    
+    const newPlaylistSong: PlaylistSong = {
+      id: randomBytes(16).toString('hex'),
+      playlistId,
+      songId,
+      position: maxPosition + 1,
+      addedAt: Date.now()
+    }
+    
+    data.playlistSongs.push(newPlaylistSong)
+    writeDb(data)
+    return newPlaylistSong
+  },
+  
+  removeSongFromPlaylist: (playlistId: string, songId: string) => {
+    const data = readDb()
+    data.playlistSongs = data.playlistSongs.filter(
+      ps => !(ps.playlistId === playlistId && ps.songId === songId)
+    )
+    writeDb(data)
+  }
 }

package.json

@@ -9,7 +9,6 @@
     "lint": "next lint"
   },
   "dependencies": {
-    "better-sqlite3": "^11.7.0",
     "lucide-react": "^0.454.0",
     "next": "^15.0.3",
     "react": "^18.3.1",
@@ -17,7 +16,6 @@
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4.0.0",
-    "@types/better-sqlite3": "^7.6.12",
     "@types/node": "^22.9.0",
     "@types/react": "^18.3.12",
     "@types/react-dom": "^18.3.1",