refactor: open track store explicitly and remove global state

internal/config/config.go

@@ -6,7 +6,6 @@ import (
 	"path/filepath"
 
 	"github.com/mathismqn/godeez/internal/fileutil"
-	"github.com/mathismqn/godeez/internal/store"
 )
 
 type Config struct {
@@ -14,7 +13,7 @@ type Config struct {
 	OutputDir string
 }
 
-func New() (*Config, error) {
+func Load() (*Config, error) {
 	arl := os.Getenv("DEEZER_ARL")
 
 	homeDir, err := os.UserHomeDir()
@@ -27,24 +26,6 @@ func New() (*Config, error) {
 		return nil, fmt.Errorf("failed to create output directory: %w", err)
 	}
 
-	// Migrate tracks.db from ~/.godeez/ to output dir
-	oldDB := filepath.Join(homeDir, ".godeez", "tracks.db")
-	newDB := filepath.Join(outputDir, ".tracks.db")
-	if _, err := os.Stat(oldDB); err == nil {
-		if _, err := os.Stat(newDB); os.IsNotExist(err) {
-			os.Rename(oldDB, newDB)
-		}
-	}
-
-	// Clean up old config directory
-	oldDir := filepath.Join(homeDir, ".godeez")
-	os.Remove(filepath.Join(oldDir, "config.toml"))
-	os.Remove(oldDir) // fails silently if not empty
-
-	if err := store.OpenDB(outputDir); err != nil {
-		return nil, err
-	}
-
 	return &Config{
 		ARLCookie: arl,
 		OutputDir: outputDir,

internal/config/migrate.go

@@ -0,0 +1,25 @@
+package config
+
+import (
+	"os"
+	"path/filepath"
+)
+
+func MigrateLegacy(outputDir string) {
+	homeDir, err := os.UserHomeDir()
+	if err != nil {
+		return
+	}
+
+	oldDB := filepath.Join(homeDir, ".godeez", "tracks.db")
+	newDB := filepath.Join(outputDir, ".tracks.db")
+	if _, err := os.Stat(oldDB); err == nil {
+		if _, err := os.Stat(newDB); os.IsNotExist(err) {
+			os.Rename(oldDB, newDB)
+		}
+	}
+
+	oldDir := filepath.Join(homeDir, ".godeez")
+	os.Remove(filepath.Join(oldDir, "config.toml"))
+	os.Remove(oldDir)
+}