Refactor: Update permission handling to use PermissionType enum

app/src/main/java/com/bitchat/android/onboarding/PermissionExplanationScreen.kt

@@ -190,14 +190,14 @@ private fun PermissionCategoryCard(
                 horizontalArrangement = Arrangement.spacedBy(12.dp)
             ) {
                 Text(
-                    text = getPermissionEmoji(category.name),
+                    text = getPermissionEmoji(category.type),
                     style = MaterialTheme.typography.titleLarge,
-                    color = getPermissionIconColor(category.name),
+                    color = getPermissionIconColor(category.type),
                     modifier = Modifier.size(24.dp)
                 )
                 
                 Text(
-                    text = category.name,
+                    text = category.type.nameValue,
                     style = MaterialTheme.typography.titleSmall.copy(
                         fontWeight = FontWeight.Bold,
                         color = colorScheme.onSurface
@@ -214,7 +214,7 @@ private fun PermissionCategoryCard(
                 )
             )
 
-            if (category.name == "Precise Location") {
+            if (category.type == PermissionType.PRECISE_LOCATION) {
                 // Extra emphasis for location permission
                 Row(
                     verticalAlignment = Alignment.CenterVertically,
@@ -239,20 +239,20 @@ private fun PermissionCategoryCard(
     }
 }
 
-private fun getPermissionEmoji(categoryName: String): String {
-    return when (categoryName) {
-        "Nearby Devices" -> "📱"
-        "Precise Location" -> "📍"
-        "Notifications" -> "🔔"
-        else -> "🔧"
+private fun getPermissionEmoji(permissionType: PermissionType): String {
+    return when (permissionType) {
+        PermissionType.NEARBY_DEVICES -> "📱"
+        PermissionType.PRECISE_LOCATION -> "📍"
+        PermissionType.NOTIFICATIONS -> "🔔"
+        PermissionType.OTHER -> "🔧"
     }
 }
 
-private fun getPermissionIconColor(categoryName: String): Color {
-    return when (categoryName) {
-        "Nearby Devices" -> Color(0xFF2196F3) // Blue
-        "Precise Location" -> Color(0xFFFF9800) // Orange
-        "Notifications" -> Color(0xFF4CAF50) // Green
-        else -> Color(0xFF9C27B0) // Purple
+private fun getPermissionIconColor(permissionType: PermissionType): Color {
+    return when (permissionType) {
+        PermissionType.NEARBY_DEVICES -> Color(0xFF2196F3) // Blue
+        PermissionType.PRECISE_LOCATION -> Color(0xFFFF9800) // Orange
+        PermissionType.NOTIFICATIONS -> Color(0xFF4CAF50) // Green
+        PermissionType.OTHER -> Color(0xFF9C27B0) // Purple
     }
 }

app/src/main/java/com/bitchat/android/onboarding/PermissionManager.kt

@@ -115,7 +115,7 @@ class PermissionManager(private val context: Context) {
 
         categories.add(
             PermissionCategory(
-                name = "Nearby Devices",
+                type = PermissionType.NEARBY_DEVICES,
                 description = "Required to discover and connect to other bitchat users via Bluetooth",
                 permissions = bluetoothPermissions,
                 isGranted = bluetoothPermissions.all { isPermissionGranted(it) },
@@ -131,7 +131,7 @@ class PermissionManager(private val context: Context) {
 
         categories.add(
             PermissionCategory(
-                name = "Precise Location",
+                type = PermissionType.PRECISE_LOCATION,
                 description = "Required by Android for Bluetooth scanning.",
                 permissions = locationPermissions,
                 isGranted = locationPermissions.all { isPermissionGranted(it) },
@@ -143,7 +143,7 @@ class PermissionManager(private val context: Context) {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
             categories.add(
                 PermissionCategory(
-                    name = "Notifications",
+                    type = PermissionType.NOTIFICATIONS,
                     description = "Show notifications when you receive private messages while the app is in background",
                     permissions = listOf(Manifest.permission.POST_NOTIFICATIONS),
                     isGranted = isPermissionGranted(Manifest.permission.POST_NOTIFICATIONS),
@@ -167,7 +167,7 @@ class PermissionManager(private val context: Context) {
             appendLine()
             
             getCategorizedPermissions().forEach { category ->
-                appendLine("${category.name}: ${if (category.isGranted) "✅ GRANTED" else "❌ MISSING"}")
+                appendLine("${category.type.nameValue}: ${if (category.isGranted) "✅ GRANTED" else "❌ MISSING"}")
                 category.permissions.forEach { permission ->
                     val granted = isPermissionGranted(permission)
                     appendLine("  - ${permission.substringAfterLast(".")}: ${if (granted) "✅" else "❌"}")
@@ -197,9 +197,16 @@ class PermissionManager(private val context: Context) {
  * Data class representing a category of related permissions
  */
 data class PermissionCategory(
-    val name: String,
+    val type: PermissionType,
     val description: String,
     val permissions: List<String>,
     val isGranted: Boolean,
     val systemDescription: String
 )
+
+enum class PermissionType(val nameValue: String) {
+    NEARBY_DEVICES("Nearby Devices"),
+    PRECISE_LOCATION("Precise Location"),
+    NOTIFICATIONS("Notifications"),
+    OTHER("Other")
+}