tighten lastfm parsing and locale url handling

internal/urlparse/parse.go

@@ -50,7 +50,7 @@ func Parse(raw string) *ParsedURL {
 	case isDeezerHost(host):
 		return parseDeezer(raw, parts)
 	case isSoundcloudHost(host):
-		return parseSoundcloud(raw, parts)
+		return parseSoundcloud(raw, host, parts)
 	default:
 		return nil
 	}
@@ -85,6 +85,13 @@ func parseTidal(raw string, parts []string) *ParsedURL {
 		return nil
 	}
 
+	if isLangToken(parts[0]) {
+		parts = parts[1:]
+	}
+	if len(parts) < 2 {
+		return nil
+	}
+
 	if parts[0] == "browse" {
 		parts = parts[1:]
 	}
@@ -128,14 +135,20 @@ func parseDeezer(raw string, parts []string) *ParsedURL {
 	return &ParsedURL{OriginalURL: raw, Source: "deezer", MediaType: mediaType, ID: id, Kind: KindGeneric}
 }
 
-func parseSoundcloud(raw string, parts []string) *ParsedURL {
+func parseSoundcloud(raw, host string, parts []string) *ParsedURL {
 	if len(parts) < 1 {
 		return nil
 	}
 
+	if host == "on.soundcloud.com" {
+		return &ParsedURL{OriginalURL: raw, Source: "soundcloud", MediaType: "track", ID: raw, Kind: KindSoundcloud}
+	}
+
 	mediaType := "track"
 	if len(parts) >= 3 && parts[1] == "sets" {
 		mediaType = "playlist"
+	} else if len(parts) < 2 || parts[1] == "sets" {
+		return nil
 	}
 
 	return &ParsedURL{OriginalURL: raw, Source: "soundcloud", MediaType: mediaType, ID: raw, Kind: KindSoundcloud}
@@ -169,7 +182,7 @@ func isTidalHost(host string) bool {
 }
 
 func isDeezerHost(host string) bool {
-	return host == "deezer.com"
+	return host == "deezer.com" || strings.HasSuffix(host, ".deezer.com")
 }
 
 func isSoundcloudHost(host string) bool {