fix(amazonq): Automatic start workspace indexing for new project open

.changes/next-release/bugfix-edf5d8d4-7e65-4c0d-9f20-216b8cef08eb.json

@@ -0,0 +1,4 @@
+{
+  "type" : "bugfix",
+  "description" : "Automatically start workspace indexing when new project is opened"
+}

plugins/amazonq/chat/jetbrains-community/src/software/aws/toolkits/jetbrains/services/cwc/controller/ChatController.kt

@@ -20,6 +20,7 @@
 import com.intellij.openapi.fileEditor.FileEditorManager
 import com.intellij.openapi.options.ShowSettingsUtil
 import com.intellij.psi.PsiDocumentManager
+import kotlinx.coroutines.TimeoutCancellationException
 import kotlinx.coroutines.cancelChildren
 import kotlinx.coroutines.flow.catch
 import kotlinx.coroutines.flow.filter
@@ -29,19 +30,26 @@
 import kotlinx.coroutines.flow.mapNotNull
 import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.job
+import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.withTimeout
 import migration.software.aws.toolkits.jetbrains.services.codewhisperer.customization.CodeWhispererModelConfigurator
 import software.amazon.awssdk.services.codewhispererstreaming.model.UserIntent
 import software.aws.toolkits.core.utils.getLogger
 import software.aws.toolkits.core.utils.info
 import software.aws.toolkits.core.utils.warn
 import software.aws.toolkits.jetbrains.core.coroutines.EDT
+import software.aws.toolkits.jetbrains.core.coroutines.disposableCoroutineScope
+import software.aws.toolkits.jetbrains.core.coroutines.projectCoroutineScope
 import software.aws.toolkits.jetbrains.services.amazonq.apps.AmazonQAppInitContext
 import software.aws.toolkits.jetbrains.services.amazonq.auth.AuthController
 import software.aws.toolkits.jetbrains.services.amazonq.auth.AuthNeededState
 import software.aws.toolkits.jetbrains.services.amazonq.messages.MessagePublisher
 import software.aws.toolkits.jetbrains.services.amazonq.onboarding.OnboardingPageInteraction
 import software.aws.toolkits.jetbrains.services.amazonq.onboarding.OnboardingPageInteractionType
+import software.aws.toolkits.jetbrains.services.amazonq.webview.FqnWebviewAdapter
+import software.aws.toolkits.jetbrains.services.amazonq.webview.FqnWebviewAdapter.Companion
 import software.aws.toolkits.jetbrains.services.codewhisperer.service.CodeWhispererFeatureConfigService
 import software.aws.toolkits.jetbrains.services.codewhisperer.settings.CodeWhispererConfigurable
 import software.aws.toolkits.jetbrains.services.codewhisperer.settings.CodeWhispererSettings
@@ -82,6 +90,8 @@
 import software.aws.toolkits.telemetry.CwsprChatCommandType
 import java.time.Instant
 import java.util.UUID
+import java.time.Duration
+import java.lang.management.ManagementFactory
 
 class ChatController private constructor(
     private val context: AmazonQAppInitContext,
@@ -103,6 +113,32 @@
         authController = AuthController(),
     )
 
+    init {
+        // Automatically start the project context LSP after some delay when average CPU load is below 30%.
+        // The CPU load requirement is to avoid competing with native JetBrains indexing and other CPU expensive OS processes
+        if (CodeWhispererSettings.getInstance().isProjectContextEnabled()) {
+            val scope = projectCoroutineScope(context.project)
+            scope.launch {
+                delay(60_000) // Wait for 60 seconds to get accurate CPU load for 1 min
+                try {
+                    kotlinx.coroutines.time.withTimeout(Duration.ofMinutes(30)) {
+                        while (true) {
+                            val cpuUsage = ManagementFactory.getOperatingSystemMXBean().systemLoadAverage
+                            if (cpuUsage > 0 && cpuUsage < 30) {
+                                ProjectContextController.getInstance(project = context.project)
+                                break
+                            } else {
+                                delay(60_000) // Wait for 60 seconds
+                            }
+                        }
+                    }
+                } catch (e: TimeoutCancellationException) {
+                    logger.warn(e) { "Failed to start LSP server" }
+                }
+            }
+        }
+    }
+
     override suspend fun processClearQuickAction(message: IncomingCwcMessage.ClearChat) {
         chatSessionStorage.deleteSession(message.tabId)
         TelemetryHelper.recordTelemetryChatRunCommand(CwsprChatCommandType.Clear, startUrl = getStartUrl(context.project))