Make database initialization lazy to avoid build errors

lib/db.ts

@@ -1,46 +1,62 @@
 import Database from 'better-sqlite3'
 import { join } from 'path'
+import { mkdirSync, existsSync } from 'fs'
 
-const dbPath = join(process.cwd(), 'data', 'bitify.db')
-const db = new Database(dbPath)
+let db: Database.Database | null = null
 
-// Enable foreign keys
-db.pragma('foreign_keys = ON')
+function getDb() {
+  if (db) return db
 
-// 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())
-  );
+  const dataDir = join(process.cwd(), 'data')
+  
+  // Create data directory if it doesn't exist
+  if (!existsSync(dataDir)) {
+    mkdirSync(dataDir, { recursive: true })
+  }
 
-  CREATE TABLE IF NOT EXISTS playlists (
-    id TEXT PRIMARY KEY,
-    name TEXT NOT NULL,
-    createdAt INTEGER DEFAULT (unixepoch())
-  );
+  const dbPath = join(dataDir, 'bitify.db')
+  db = new Database(dbPath)
 
-  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)
-  );
+  // Enable foreign keys
+  db.pragma('foreign_keys = ON')
 
-  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);
-`)
+  // 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())
+    );
 
-export default db
+    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
+}
+
+export default getDb()