fix(amazonq): Fix "Explain" code scan issue

plugins/amazonq/chat/jetbrains-community/src/software/aws/toolkits/jetbrains/services/cwc/commands/ActionRegistrar.kt

@@ -11,7 +11,9 @@ import kotlinx.coroutines.flow.asSharedFlow
 import kotlinx.coroutines.runBlocking
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.flareChat.AsyncChatUiListener
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.flareChat.FlareUiMessage
+import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.GENERIC_COMMAND
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.GenericCommandParams
+import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.SEND_TO_PROMPT
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.SendToPromptParams
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.TriggerType
 import software.aws.toolkits.jetbrains.services.amazonq.messages.AmazonQMessage
@@ -36,23 +38,19 @@ class ActionRegistrar {
                     val fileContext = contextExtractor.extractContextForTrigger(ExtractionTriggerType.ContextMenu)
                     val codeSelection = "\n```\n${fileContext.focusAreaContext?.codeSelection?.trimIndent()?.trim()}\n```\n"
                     var uiMessage: FlareUiMessage? = null
-                    if (command.verb != "sendToPrompt") {
+                    if (command.verb != SEND_TO_PROMPT) {
                         val params = GenericCommandParams(selection = codeSelection, triggerType = TriggerType.CONTEXT_MENU, genericCommand = command.name)
-                        uiMessage = FlareUiMessage(command = "genericCommand", params = params)
+                        uiMessage = FlareUiMessage(command = GENERIC_COMMAND, params = params)
                     } else {
                         val params = SendToPromptParams(selection = codeSelection, triggerType = TriggerType.CONTEXT_MENU)
-                        uiMessage = FlareUiMessage(command = "sendToPrompt", params = params)
+                        uiMessage = FlareUiMessage(command = SEND_TO_PROMPT, params = params)
                     }
                     AsyncChatUiListener.notifyPartialMessageUpdate(uiMessage)
                 }
             }
         }
     }
 
-    fun reportMessageClick(command: EditorContextCommand, issue: MutableMap<String, String>, project: Project) {
-        _messages.tryEmit(CodeScanIssueActionMessage(command, issue, project))
-    }
-
     // provide singleton access
     companion object {
         val instance = ActionRegistrar()

plugins/amazonq/chat/jetbrains-community/src/software/aws/toolkits/jetbrains/services/cwc/commands/codescan/actions/ExplainCodeIssueAction.kt

@@ -3,6 +3,55 @@
 
 package software.aws.toolkits.jetbrains.services.cwc.commands.codescan.actions
 
-import software.aws.toolkits.jetbrains.services.cwc.commands.EditorContextCommand
+import com.intellij.openapi.actionSystem.ActionManager
+import com.intellij.openapi.actionSystem.AnAction
+import com.intellij.openapi.actionSystem.AnActionEvent
+import com.intellij.openapi.actionSystem.DataKey
+import com.intellij.openapi.application.ApplicationManager
+import com.intellij.openapi.project.DumbAware
+import kotlinx.coroutines.runBlocking
+import software.aws.toolkits.jetbrains.services.amazonq.lsp.flareChat.AsyncChatUiListener
+import software.aws.toolkits.jetbrains.services.amazonq.lsp.flareChat.FlareUiMessage
+import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.ChatPrompt
+import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.SEND_TO_PROMPT
+import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.SendToPromptParams
+import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.TriggerType
 
-class ExplainCodeIssueAction : CodeScanQActions(EditorContextCommand.ExplainCodeScanIssue)
+class ExplainCodeIssueAction : AnAction(), DumbAware {
+    override fun actionPerformed(e: AnActionEvent) {
+        val issueDataKey = DataKey.create<MutableMap<String, String>>("amazonq.codescan.explainissue")
+        val issueContext = e.getData(issueDataKey) ?: return
+
+        ActionManager.getInstance().getAction("q.openchat").actionPerformed(e)
+
+        ApplicationManager.getApplication().executeOnPooledThread {
+            runBlocking {
+                // https://github.com/aws/aws-toolkit-vscode/blob/master/packages/amazonq/src/lsp/chat/commands.ts#L30
+                val codeSelection = "\n```\n${issueContext["code"]?.trimIndent()?.trim()}\n```\n"
+
+                val prompt = "Explain the issue \n\n " +
+                    "Issue:    \"${issueContext["title"]}\" \n" +
+                    "Code:    $codeSelection"
+
+                val modelPrompt = "Explain the issue ${issueContext["title"]} \n\n " +
+                    "Issue:    \"${issueContext["title"]}\" \n" +
+                    "Description:    ${issueContext["description"]} \n" +
+                    "Code:    $codeSelection and generate the code demonstrating the fix"
+
+                val params = SendToPromptParams(
+                    selection = codeSelection,
+                    triggerType = TriggerType.CONTEXT_MENU,
+                    prompt = ChatPrompt(
+                        prompt = prompt,
+                        escapedPrompt = modelPrompt,
+                        command = null
+                    ),
+                    autoSubmit = true
+                )
+
+                val uiMessage = FlareUiMessage(SEND_TO_PROMPT, params)
+                AsyncChatUiListener.notifyPartialMessageUpdate(uiMessage)
+            }
+        }
+    }
+}

plugins/amazonq/shared/jetbrains-community/src/software/aws/toolkits/jetbrains/services/amazonq/lsp/model/aws/chat/ChatPrompt.kt

@@ -9,7 +9,7 @@ import software.aws.toolkits.jetbrains.services.amazonq.lsp.flareChat.ContextCom
 data class ChatPrompt(
     val prompt: String,
     val escapedPrompt: String,
-    val command: String,
+    val command: String?,
 )
 
 data class SendChatPromptRequest(

plugins/amazonq/shared/jetbrains-community/src/software/aws/toolkits/jetbrains/services/amazonq/lsp/model/aws/chat/FlareChatCommands.kt

@@ -38,6 +38,7 @@ const val DID_REMOVE_FILE = "aws/didRemoveFileOrDirectory"
 const val DID_CREATE_DIRECTORY = "aws/didCreateDirectory"
 
 const val GET_SERIALIZED_CHAT_REQUEST_METHOD = "aws/chat/getSerializedChat"
+const val GENERIC_COMMAND = "genericCommand"
 
 const val OPEN_FILE_DIFF = "aws/openFileDiff"
 const val OPEN_SETTINGS = "openSettings"
@@ -47,4 +48,5 @@ const val PROMPT_INPUT_OPTIONS_CHANGE = "aws/chat/promptInputOptionChange"
 const val SEND_CHAT_COMMAND_PROMPT = "aws/chat/sendChatPrompt"
 const val SHOW_SAVE_FILE_DIALOG_REQUEST_METHOD = "aws/showSaveFileDialog"
 const val STOP_CHAT_RESPONSE = "stopChatResponse"
+const val SEND_TO_PROMPT = "sendToPrompt"
 const val TELEMETRY_EVENT = "telemetry/event"