add cli asking for missing vars

ts/smartscaf.classes.smartscaf.ts

@@ -32,15 +32,24 @@ export class ScafTemplate {
    */
   async supplyVariables (variablesArg) {
     this.suppliedVariables = variablesArg
-    this.missingVariables = await this._checkSuppliedVariables(variablesArg)
+    this.missingVariables = await this._checkSuppliedVariables()
   }
 
   /**
    * Will ask for the missing variables by cli interaction
    */
-  async askForMissingVariables () {
-    this.missingVariables = await this._checkSuppliedVariables(variablesArg)
-    
+  async askCliForMissingVariables () {
+    this.missingVariables = await this._checkSuppliedVariables()
+    let localSmartInteract = new plugins.smartinteract.SmartInteract()
+    for (let missingVariable of this.missingVariables) {
+      localSmartInteract.addQuestions([{
+        name: missingVariable,
+        type: 'input',
+        default: `undefined ${missingVariable}`,
+        message: `What is the value of ${missingVariable}?`
+      }])
+    }
+    let answers = await localSmartInteract.runQueue()
   }
 
   /**
@@ -55,16 +64,16 @@ export class ScafTemplate {
   /**
    * checks if supplied Variables satisfy the template
    */
-  private async _checkSuppliedVariables(variablesArg) {
+  private async _checkSuppliedVariables() {
     let missingVars: string[] = []
     for (let templateSmartFile of this.templateSmartfileArray) {
       let localMissingVars = await plugins.smarthbs.checkVarsSatisfaction(
         templateSmartFile.contents.toString(),
-        variablesArg
+        this.suppliedVariables
       )
       missingVars = plugins.lodash.concat(missingVars, localMissingVars)
+      missingVars = plugins.lodash.uniq(missingVars)
     }
-    
     return missingVars
   }
 }