From 8e1396a71b76cb23709289fb99216832dbb19493 Mon Sep 17 00:00:00 2001
From: Jon Carifio <carifio24@gmail.com>
Date: Wed, 27 Sep 2023 14:06:51 -0400
Subject: [PATCH] More updates to language-checking logic.

---
 app/build.gradle                              |  2 +-
 .../dnd/jon/spellbook/LocalizationUtils.java  | 22 ++++++++++++++-----
 .../dnd/jon/spellbook/SpellbookViewModel.java | 13 ++++++++---
 3 files changed, 28 insertions(+), 9 deletions(-)

diff --git a/app/build.gradle b/app/build.gradle
index 67f69b71..3c58cbc2 100755
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -15,7 +15,7 @@ android {
         applicationId "dnd.jon.spellbook"
         minSdkVersion 24
         targetSdkVersion 33
-        versionCode 300300
+        versionCode 3003001
         versionName "3.3.0"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         signingConfig signingConfigs.release
diff --git a/app/src/main/java/dnd/jon/spellbook/LocalizationUtils.java b/app/src/main/java/dnd/jon/spellbook/LocalizationUtils.java
index 0e997956..d27f547b 100644
--- a/app/src/main/java/dnd/jon/spellbook/LocalizationUtils.java
+++ b/app/src/main/java/dnd/jon/spellbook/LocalizationUtils.java
@@ -57,13 +57,17 @@ static Locale getLocale() {
     static Locale defaultSpellLocale() {
         final Locale locale = getLocale();
         final String language = locale.getLanguage();
-        if (supportedLanguages.contains(language)) {
+        if (isLanguageSupported(language)) {
             return locale;
         } else {
             return Locale.US;
         }
     }
 
+    static boolean isLanguageSupported(String languageCode) {
+        return supportedLanguages.contains(languageCode);
+    }
+
     static String getCurrentLanguage() {
         return getLocale().getLanguage();
     }
@@ -90,11 +94,19 @@ private static <E extends Enum<E>> int[] supportedIDs(E[] items, Map<E,Integer>
     static int[] supportedTableLayoutIDs() { return supportedIDs(supportedClasses(), tableLayoutIDs); }
     static int[] supportedSpellcastingInfoIDs() { return supportedIDs(supportedClasses(), spellcastingInfoIDs); }
 
-    // TODO: Think of a way to make this more generic for other languages
-    static boolean hasPortugueseInstalled() {
+    // BCP language codes are in BCP 47 format
+    // https://appmakers.dev/bcp-47-language-codes-list/
+    static boolean hasOneInstalled(String[] bcpLanguageCodes, String languageCode) {
         final LocaleList localeList = LocaleList.getDefault();
-        final Locale ptLocale = localeList.getFirstMatch(new String[]{"pt-BR", "pt-PT"});
-        return ptLocale.getLanguage().equals("pt");
+        final Locale locale = localeList.getFirstMatch(bcpLanguageCodes);
+        return locale.getLanguage().equals(languageCode);
+    }
+    static boolean hasEnglishInstalled() {
+        return hasOneInstalled(new String[]{"en-AU", "en-GB", "en-IE", "en-US", "en-ZA"}, "en");
+    }
+
+    static boolean hasPortugueseInstalled() {
+        return hasOneInstalled(new String[]{"pt-BR", "pt-PT"}, "pt");
     }
 
 }
diff --git a/app/src/main/java/dnd/jon/spellbook/SpellbookViewModel.java b/app/src/main/java/dnd/jon/spellbook/SpellbookViewModel.java
index 80095b49..48bdd93b 100644
--- a/app/src/main/java/dnd/jon/spellbook/SpellbookViewModel.java
+++ b/app/src/main/java/dnd/jon/spellbook/SpellbookViewModel.java
@@ -105,10 +105,17 @@ public SpellbookViewModel(Application application) {
         final SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(application);
         final String spellLanguageKey = application.getString(R.string.spell_language_key);
         final String spellsLocaleString = sharedPreferences.getString(spellLanguageKey, null);
-        if (LocalizationUtils.hasPortugueseInstalled()) {
-            this.spellsLocale = spellsLocaleString == null ? LocalizationUtils.defaultSpellLocale() : new Locale(spellsLocaleString);
+
+        // This is kinda hacky; think of a more scalable way to do this?
+        // Though once the UI and spell parsing languages a
+        final boolean uninstalledLanguage = (spellsLocaleString == null) ||
+                                            (spellsLocaleString.equals("pt") && !LocalizationUtils.hasPortugueseInstalled()) ||
+                                            (spellsLocaleString.equals("en") && !LocalizationUtils.hasEnglishInstalled());
+
+        if (uninstalledLanguage || !LocalizationUtils.isLanguageSupported(spellsLocaleString)) {
+            this.spellsLocale = LocalizationUtils.defaultSpellLocale();
         } else {
-            this.spellsLocale = Locale.US;
+            this.spellsLocale = new Locale(spellsLocaleString);
         }
 
         // If we don't have an existing value for the spell language setting