ADFA-3576 error details on no templates.json and no warnings lack of language mindsk (#1154)

Show error on absence of templates.json in cgt and suppress warnings on absence of language and minsdk

Author: jomen-adfa

templates-impl/src/main/java/com/itsaky/androidide/templates/impl/zip/ZipRecipeExecutor.kt

@@ -75,8 +75,9 @@ class ZipRecipeExecutor(
                 .build()
 
             val className = data.name.replace(CLASS_NAME_PATTERN, "")
-        val (baseIdentifiers, warnings) = metaJson.pebbleParams(data, defModule, params)
-        val identifiers = baseIdentifiers + (KEY_CLASS_NAME to className)
+            val (baseIdentifiers, warnings) = metaJson.pebbleParams(data, defModule, params)
+            val identifiers = baseIdentifiers + (KEY_CLASS_NAME to className)
+
             if (warnings.isNotEmpty()) {
                 warn("Identifier warnings: ${warnings.joinToString(System.lineSeparator())}")
             }
@@ -227,10 +228,8 @@ class ZipRecipeExecutor(
         if (saveLocation.usedDefault) warnings += "Missing 'saveLocation', defaulted to $KEY_SAVE_LOCATION"
 
         val language = resolveString(parameters?.optional?.language?.identifier, KEY_LANGUAGE)
-        if (language.usedDefault) warnings += "Missing 'language', defaulted to $KEY_LANGUAGE"
 
         val minSdk = resolveString(parameters?.optional?.minsdk?.identifier, KEY_MIN_SDK)
-        if (minSdk.usedDefault) warnings += "Missing 'minsdk', defaulted to $KEY_MIN_SDK"
 
         val agpVersion = resolveString(system?.agpVersion?.identifier, KEY_AGP_VERSION)
         if (agpVersion.usedDefault) warnings += "Missing 'agpVersion', defaulted to $KEY_AGP_VERSION"

templates-impl/src/main/java/com/itsaky/androidide/templates/impl/zip/ZipTemplateReader.kt

@@ -36,7 +36,10 @@ object ZipTemplateReader {
         try {
             ZipFile(zipFile).use { zip ->
 
-                val indexEntry = zip.getEntry(ARCHIVE_JSON) ?: return emptyList()
+                val indexEntry = requireNotNull(zip.getEntry(ARCHIVE_JSON)) {
+                    "${zip.name} does not contain $ARCHIVE_JSON"
+                }
+
                 val indexJson = zip.getInputStream(indexEntry).bufferedReader().use {
                     gson.fromJson(it, TemplatesIndex::class.java)
                 }