themes and various bugs

app/src/main/java/ani/dantotsu/themes/ThemeManager.kt

@@ -0,0 +1,48 @@
+package ani.dantotsu.themes
+
+import android.content.Context
+import ani.dantotsu.R
+
+class ThemeManager(private val context: Context) {
+    fun applyTheme() {
+        if(context.getSharedPreferences("Dantotsu", Context.MODE_PRIVATE).getBoolean("use_material_you", false)){
+            return
+        }
+        when (context.getSharedPreferences("Dantotsu", Context.MODE_PRIVATE).getString("theme", "PURPLE")!!) {
+            "PURPLE" -> {
+                context.setTheme(R.style.Theme_Dantotsu_Purple)
+            }
+            //"MONOCHROME" -> {
+            //    context.setTheme(R.style.Theme_Dantotsu_Monochrome)
+            //}
+            "BLUE" -> {
+                context.setTheme(R.style.Theme_Dantotsu_Blue)
+            }
+            "GREEN" -> {
+                context.setTheme(R.style.Theme_Dantotsu_Green)
+            }
+            "PINK" -> {
+                context.setTheme(R.style.Theme_Dantotsu_Pink)
+            }
+            else -> {
+                context.setTheme(R.style.Theme_Dantotsu_Purple)
+            }
+        }
+    }
+
+    companion object{
+        enum class Theme(val theme: String) {
+            PURPLE("PURPLE"),
+            BLUE("BLUE"),
+            GREEN("GREEN"),
+            PINK("PINK");
+            //MONOCHROME("MONOCHROME");
+
+            companion object {
+                fun fromString(value: String): Theme {
+                    return values().find { it.theme == value } ?: PURPLE
+                }
+            }
+        }
+    }
+}