romanized lyrics for all sources

Sources/EeveeSpotify/Lyrics/CustomLyrics.x.swift

@@ -213,7 +213,8 @@ func getCurrentTrackLyricsData(originalLyrics: Lyrics? = nil) throws -> Data {
         lyricsDto = try repository.getLyrics(searchQuery, options: options)
     }
     
-    lastLyricsWasRomanized = lyricsDto.romanized
+    lastLyricsWasRomanized = lyricsDto.romanization == .romanized 
+        || (lyricsDto.romanization == .canBeRomanized && UserDefaults.lyricsOptions.romanization)
     lastLyricsAreEmpty = lyricsDto.lines.isEmpty
 
     let lyrics = Lyrics.with {

Sources/EeveeSpotify/Lyrics/Models/LyricsDto.swift

@@ -3,7 +3,7 @@ import Foundation
 struct LyricsDto {
     var lines: [LyricsLineDto]
     var timeSynced: Bool
-    var romanized: Bool = false
+    var romanization: LyricsRomanizationStatus
     var translation: LyricsTranslationDto?
     
     func toLyricsData(source: String) -> LyricsData {
@@ -13,8 +13,10 @@ struct LyricsDto {
             $0.providedBy = "\(source) (EeveeSpotify)"
         }
         
-        lyricsData.lines = lines.isEmpty 
-            ? [
+        let shouldRomanize = UserDefaults.lyricsOptions.romanization
+        
+        if lines.isEmpty {
+            lyricsData.lines = [
                 LyricsLine.with {
                     $0.content = "This song is instrumental."
                 },
@@ -25,12 +27,17 @@ struct LyricsDto {
                     $0.content = ""
                 }
             ]
-            : lines.map { line in
+        }
+        else {
+            lyricsData.lines = lines.map { line in
                 LyricsLine.with {
-                    $0.content = line.content
+                    $0.content = (shouldRomanize && romanization == .canBeRomanized)
+                        ? line.content.applyingTransform(.toLatin, reverse: false)!
+                        : line.content
                     $0.offsetMs = Int32(line.offsetMs ?? 0)
                 }
             }
+        }
         
         if let translation = translation {
             lyricsData.translation = LyricsTranslation.with {

Sources/EeveeSpotify/Lyrics/Models/LyricsRomanizationStatus.swift

@@ -0,0 +1,7 @@
+import Foundation
+
+enum LyricsRomanizationStatus {
+    case romanized
+    case canBeRomanized
+    case original
+}

Sources/EeveeSpotify/Lyrics/Repositories/GeniusLyricsRepository.swift

@@ -145,12 +145,22 @@ struct GeniusLyricsRepository: LyricsRepository {
         )
         
         let songInfo = try getSongInfo(song.id)
-        let plainLines = songInfo.lyrics.plain.components(separatedBy: "\n")
+        let plainLyrics = songInfo.lyrics.plain
+        let plainLines = plainLyrics.components(separatedBy: "\n")
+        
+        var romanization = LyricsRomanizationStatus.original
+        
+        if hasFoundRomanizedLyrics {
+            romanization = .romanized
+        }
+        else if plainLyrics.canBeRomanized {
+            romanization = .canBeRomanized
+        }
     
         return LyricsDto(
             lines: mapLyricsLines(plainLines).map { line in LyricsLineDto(content: line) },
             timeSynced: false,
-            romanized: hasFoundRomanizedLyrics
+            romanization: romanization
         )
     }
 }

Sources/EeveeSpotify/Lyrics/Repositories/LrclibLyricsRepository.swift

@@ -105,7 +105,8 @@ struct LrcLibLyricsRepository: LyricsRepository {
                 lines: mapSyncedLyricsLines(
                     syncedLyrics.components(separatedBy: "\n").dropLast()
                 ),
-                timeSynced: true
+                timeSynced: true,
+                romanization: syncedLyrics.canBeRomanized ? .canBeRomanized : .original
             )
         }
         
@@ -118,7 +119,8 @@ struct LrcLibLyricsRepository: LyricsRepository {
                 .components(separatedBy: "\n")
                 .dropLast()
                 .map { content in LyricsLineDto(content: content) },
-            timeSynced: false
+            timeSynced: false,
+            romanization: plainLyrics.canBeRomanized ? .canBeRomanized : .original
         )
     }
 }

Sources/EeveeSpotify/Lyrics/Repositories/MusixmatchLyricsRepository.swift

@@ -228,10 +228,19 @@ class MusixmatchLyricsRepository: LyricsRepository {
                 }
             }
             
+            var romanization = LyricsRomanizationStatus.original
+            
+            if romanized {
+                romanization = .romanized
+            }
+            else if lyricsLines.map({ $0.content }).joined().canBeRomanized {
+                romanization = .canBeRomanized
+            }
+            
             return LyricsDto(
                 lines: lyricsLines,
                 timeSynced: true,
-                romanized: romanized,
+                romanization: romanization,
                 translation: translation
             )
         }
@@ -258,7 +267,8 @@ class MusixmatchLyricsRepository: LyricsRepository {
                         .components(separatedBy: "\n")
                         .dropLast()
                         .map { LyricsLineDto(content: $0.lyricsNoteIfEmpty) },
-                    timeSynced: false
+                    timeSynced: false,
+                    romanization: plainLyrics.canBeRomanized ? .canBeRomanized : .original
                 )
             }
         }

Sources/EeveeSpotify/Lyrics/Repositories/PetitLyricsRepository.swift

@@ -115,7 +115,10 @@ struct PetitLyricsRepository: LyricsRepository {
                         offsetMs: $0.words.first!.starttime
                     )
                 },
-                timeSynced: true
+                timeSynced: true,
+                romanization: lyrics.lines.map { $0.linestring }.joined().canBeRomanized 
+                    ? .canBeRomanized
+                    : .original
             )
             
         case .plain:
@@ -125,7 +128,8 @@ struct PetitLyricsRepository: LyricsRepository {
                 lines: stringLyrics
                     .components(separatedBy: "\n")
                     .map { LyricsLineDto(content: $0) },
-                timeSynced: false
+                timeSynced: false,
+                romanization: stringLyrics.canBeRomanized ? .canBeRomanized : .original
             )
             
         default:

Sources/EeveeSpotify/Models/Extensions/String+Extension.swift

@@ -1,4 +1,5 @@
 import Foundation 
+import NaturalLanguage
 
 extension String {
 
@@ -45,6 +46,17 @@ extension String {
             )
     }
     
+    var canBeRomanized: Bool {
+        let languageRecognizer = NLLanguageRecognizer()
+        languageRecognizer.processString(self)
+        
+        if let code = languageRecognizer.dominantLanguage?.rawValue {
+            return ["ja", "ko"].contains(code) || code.contains("zh")
+        }
+        
+        return false
+    }
+    
     var hexadecimal: Data? {
         var data = Data(capacity: count / 2)
         

Sources/EeveeSpotify/Settings/Views/Sections/EeveeLyricsSettingsView.swift

@@ -37,13 +37,11 @@ struct EeveeLyricsSettingsView: View {
             
             //
             
-            if [.genius, .musixmatch].contains(lyricsSource) || geniusFallback {
-                Section(footer: Text("Load romanized lyrics from Musixmatch or Genius.")) {
-                    Toggle(
-                        "Romanized Lyrics",
-                        isOn: $lyricsOptions.romanization
-                    )
-                }
+            Section(footer: Text("Display romanized lyrics for Japanese, Korean, and Chinese.")) {
+                Toggle(
+                    "Romanized Lyrics",
+                    isOn: $lyricsOptions.romanization
+                )
             }
             
             if lyricsSource == .musixmatch {
@@ -64,7 +62,7 @@ struct EeveeLyricsSettingsView: View {
                             .foregroundColor(.gray)
                     }
                 } footer: {
-                    Text("You can enter a 2-letter Musixmatch language code and see translated lyrics on Musixmatch if they are available. It overrides Romanized Lyrics.")
+                    Text("You can enter a 2-letter Musixmatch language code and see translated lyrics on Musixmatch if they are available.")
                 }
             }