Ensure only the protocol scheme is lowercase

stream-chat-android-compose/src/main/java/io/getstream/chat/android/compose/ui/util/TextUtils.kt

@@ -137,7 +137,7 @@ private fun AnnotatedString.Builder.linkify(
 
         val linkText = requireNotNull(matcher.group(0)!!)
 
-        val url = linkText.fixPrefix(schemes)
+        val url = linkText.ensureLowercaseScheme(schemes)
 
         addStringAnnotation(
             tag = tag,
@@ -148,15 +148,16 @@ private fun AnnotatedString.Builder.linkify(
     }
 }
 
-private fun String.fixPrefix(schemes: List<String>): String =
-    lowercase(Locale.getDefault())
-        .let {
-            if (schemes.none { scheme -> it.startsWith(scheme) }) {
-                schemes[0] + it
-            } else {
-                it
-            }
+internal fun String.ensureLowercaseScheme(schemes: List<String>): String =
+    schemes.fold(this) { acc, scheme ->
+        acc.replace(scheme, scheme.lowercase(), ignoreCase = true)
+    }.let { url ->
+        if (schemes.none { url.startsWith(it) }) {
+            schemes[0].lowercase() + url
+        } else {
+            url
         }
+    }
 
 private val URL_SCHEMES = listOf("http://", "https://")
 private val EMAIL_SCHEMES = listOf("mailto:")

stream-chat-android-compose/src/test/kotlin/io/getstream/chat/android/compose/ui/util/TextUtilsKtTest.kt

@@ -0,0 +1,56 @@
+package io.getstream.chat.android.compose.ui.util
+
+import org.amshove.kluent.`should be equal to`
+import org.junit.jupiter.params.ParameterizedTest
+import org.junit.jupiter.params.provider.Arguments
+import org.junit.jupiter.params.provider.MethodSource
+
+internal class TextUtilsKtTest {
+
+    @ParameterizedTest
+    @MethodSource("urlArguments")
+    fun `Verify that only the scheme should be lowercase`(
+        url: String,
+        schemes: List<String>,
+        expectedResult: String
+    ) {
+        url.ensureLowercaseScheme(schemes)  `should be equal to` expectedResult
+    }
+
+    companion object {
+
+        @JvmStatic
+        fun urlArguments() = listOf(
+            Arguments.of(
+                "http://www.getstream.io",
+                listOf("https://", "http://"),
+                "http://www.getstream.io",
+            ),
+            Arguments.of(
+                "https://www.getstream.io",
+                listOf("https://", "http://"),
+                "https://www.getstream.io",
+            ),
+            Arguments.of(
+                "HTTPS://www.getstream.io",
+                listOf("https://", "http://"),
+                "https://www.getstream.io",
+            ),
+            Arguments.of(
+                "HTtPS://www.getstream.io",
+                listOf("https://", "http://"),
+                "https://www.getstream.io",
+            ),
+            Arguments.of(
+                "HTtPS://www.getstream.io/SomePath",
+                listOf("https://", "http://"),
+                "https://www.getstream.io/SomePath",
+            ),
+            Arguments.of(
+                "www.getstream.io/SomePath",
+                listOf("https://", "http://"),
+                "https://www.getstream.io/SomePath",
+            ),
+        )
+    }
+}