impl: ask the user only once in the login screen for fallback strategy

The user can opt in to fallback on releases.coder.com from the login screen
only once. Later on he can change his mind in the Settings page.

Author: fioan89

src/main/kotlin/com/coder/toolbox/views/DeploymentUrlStep.kt

@@ -1,9 +1,13 @@
 package com.coder.toolbox.views
 
 import com.coder.toolbox.CoderToolboxContext
+import com.coder.toolbox.settings.SignatureFallbackStrategy
 import com.coder.toolbox.util.toURL
 import com.coder.toolbox.views.state.CoderCliSetupContext
 import com.coder.toolbox.views.state.CoderCliSetupWizardState
+import com.jetbrains.toolbox.api.ui.components.CheckboxField
+import com.jetbrains.toolbox.api.ui.components.LabelField
+import com.jetbrains.toolbox.api.ui.components.LabelStyleType
 import com.jetbrains.toolbox.api.ui.components.RowGroup
 import com.jetbrains.toolbox.api.ui.components.TextField
 import com.jetbrains.toolbox.api.ui.components.TextType
@@ -24,12 +28,34 @@ class DeploymentUrlStep(
 ) :
     WizardStep {
     private val urlField = TextField(context.i18n.ptrl("Deployment URL"), "", TextType.General)
-    private val errorField = ValidationErrorField(context.i18n.pnotr(""))
+    private val emptyLine = LabelField(context.i18n.pnotr(""), LabelStyleType.Normal)
 
-    override val panel: RowGroup = RowGroup(
-        RowGroup.RowField(urlField),
-        RowGroup.RowField(errorField)
+    private val signatureFallbackStrategyField = CheckboxField(
+        context.settingsStore.fallbackOnCoderForSignatures.isAllowed(),
+        context.i18n.ptrl("Fallback on releases.coder.com when CLI signatures can't be found")
     )
+    private val infoLine =
+        LabelField(context.i18n.ptrl("Can be reconfigured later on from the Settings page"), LabelStyleType.Secondary)
+
+    private val errorField = ValidationErrorField(context.i18n.pnotr(""))
+
+    override val panel: RowGroup
+        get() {
+            if (context.settingsStore.fallbackOnCoderForSignatures == SignatureFallbackStrategy.NOT_CONFIGURED) {
+                return RowGroup(
+                    RowGroup.RowField(urlField),
+                    RowGroup.RowField(emptyLine),
+                    RowGroup.RowField(signatureFallbackStrategyField),
+                    RowGroup.RowField(infoLine),
+                    RowGroup.RowField(errorField)
+                )
+
+            }
+            return RowGroup(
+                RowGroup.RowField(urlField),
+                RowGroup.RowField(errorField)
+            )
+        }
 
     override fun onVisible() {
         errorField.textState.update {
@@ -38,9 +64,14 @@ class DeploymentUrlStep(
         urlField.textState.update {
             context.secrets.lastDeploymentURL
         }
+
+        signatureFallbackStrategyField.checkedState.update {
+            context.settingsStore.fallbackOnCoderForSignatures.isAllowed()
+        }
     }
 
     override fun onNext(): Boolean {
+        context.settingsStore.updateSignatureFallbackStrategy(signatureFallbackStrategyField.checkedState.value)
         var url = urlField.textState.value
         if (url.isBlank()) {
             errorField.textState.update { context.i18n.ptrl("URL is required") }