metadata:
  platformVersion: "1.1"
main: true
name: WineryChats
context:
  variables:
    iResult: "nlpresult"
    rb: "resourcebundle"
    orderSizes: "list.orderSizes"
    wineTypes: "list.wineTypes"
    redWines: "list.redWines"
    redWineCard: "map"
    whiteWines: "list.whiteWines"
    whiteWineCard: "map"
    chatType: "string"
    yesNo: "YES_NO"
    selectedWine: "string"
    
defaultTransitions:
  actions:
    system.outOfOrderMessage: "outOfOrderMessageHandler"
    
states:

  buildRedWineMenu:
    component: "System.SetVariable"
    properties:
      variable: "redWineCard" 
      value: 
        Cabernet Sauvignon:
          title: "Cabernet Sauvignon"
          description: "Flavor ot dark fruits like black cherry and blackberry along with a warm spice, vanilla and black pepper"
          image: "https://cdn.pixabay.com/photo/2016/05/24/16/16/wine-1412603__340.jpg"
          price: 35
        Merlot:
          title: "Merlot"
          description: "With black cherry flavors, supple tannins, and chocolatey finish"
          image: "https://cdn.pixabay.com/photo/2016/05/24/16/19/wine-1412606__340.jpg"
          price: 25
        Pinot noir:
          title: "Pinot noir"
          description: "Complex flavor that includes cherry, raspberry, mushroom and forest floor"
          image: "https://cdn.pixabay.com/photo/2014/09/22/16/17/red-wine-456434__340.jpg"
          price: 12
        Zinfandel:
          title: "Zinfandel"
          description: "Jam, blueberry, black pepper, cherry, plum and cranberry flavored wine"
          image: "https://cdn.pixabay.com/photo/2017/08/17/22/55/red-2653222__340.jpg"
          price: 18
    transitions:
      next: "buildWhiteWineMenu"


  buildWhiteWineMenu:
    component: "System.SetVariable"
    properties:
      variable: "whiteWineCard" 
      value: 
        Chardonnay:
          title: "Chardonnay"
          description: "A yummy buttery aroma and flavor with an oaky smell."
          image: "https://cdn.pixabay.com/photo/2018/02/27/14/07/white-wine-3185546__340.jpg"
          price: 28
        Sauvignon blanc:
          title: "Sauvignon blanc"
          description: "A broad spectrum of flavor ranging from mineral-driven and flinty to grassy and tropical fruits."
          image: "https://cdn.pixabay.com/photo/2018/06/22/09/18/cheese-and-wine-3490303__340.jpg"
          price: 31
        Riesling:    
          title: "Riesling"
          description: "A versatile German wine with a refreshing nature. Very crisp"
          image: "https://cdn.pixabay.com/photo/2019/12/01/18/02/vineyards-4666055__340.jpg"
          price: 17
        Pinot grigio:          
          title: "Pinot grigio"
          description: "A flavor that contains notes of pineapple and peach, pear and mineral undertones"
          image: "https://pixabay.com/photos/white-wine-alcohol-2653226/"
          price: 22
    transitions:
      next: "welcome"
      
  welcome:
    component: "System.Output"
    properties:
      text: "Welcome to 'Winery Chats'. I'm 'Grapy', a chatbot with which you can order the best wines in the world or get your wine-specific questions answered. So, let me help you too."

      keepTurn: true
    transitions:
      next: "getIntent"  
    
  getIntent:
    component: "System.Intent"
    properties:
      variable: "iResult"
      daIntercept: "always" 
    transitions:
      actions:
        tellme.about.wine: "setChatToExplainType"
        order.wine: "setChatToOrderType"
        unresolvedIntent: "handleBotNotUnderstanding" 
     
  setChatToOrderType:
    component: "System.SetVariable"
    properties:
      variable: "chatType"
      value: "order"
    transitions:
      next: "startDetermineWineType"  
    
  startDetermineWineType:
    component: "System.Switch"
    properties:
      source: "${iResult.value.entityMatches['list.redWines']?has_content?then('redWine',iResult.value.entityMatches['list.whiteWines']?has_content?then('whiteWine', 'none'))}"
      values:
      - "redWine"
      - "whiteWine"
    transitions:
      actions:
        redWine: "selectRedWine"
        whiteWine: "selectWhiteWine"
        NONE: "checkForWineColor"

  selectRedWine:
    component: "System.CommonResponse"
    properties:
      processUserMessage: true
      variable: "redWines"
      nlpResultVariable: "iResult"       
      useFullEntityMatches: false      
      maxPrompts: 2
      metadata: 
        responseItems:         
        - type: "text"  
          text: "${system.entityToResolve.value.prompt}" 
          footerText:
          visible: 
            expression:            
            entitiesToResolve:
              include:
              exclude:    
            channels:
              include:
              exclude:  
            onInvalidUserInput:  
          actions:
          - label: "${(enumValue?index?number +1)?lower_abc}. ${enumValue}"
            type: "postback"
            iteratorVariable: "system.entityToResolve.value.enumValues"
            keyword: "${(enumValue?index?number +1)?lower_abc}, ${enumValue}"
            payload:
              variables:
                redWines: "${enumValue}"
            visible: 
        globalActions: 
        - label: "Show Previous"
          type: "postback" 
          visible:
            expression: "${system.entityToResolve.value.needShowPreviousButton}"
          payload:
            action: "system.showPrevious"
            variables: 
              ${system.entityToResolve.value.rangeStartVar}: ${system.entityToResolve.value.previousRangeStart} 
        - label: "Show More"
          type: "postback" 
          visible:
            expression: "${system.entityToResolve.value.needShowMoreButton}"
          payload:
            action: "system.showMore"
            variables: 
              ${system.entityToResolve.value.rangeStartVar}: ${system.entityToResolve.value.nextRangeStart} 
        - label: "Cancel"
          type: "postback" 
          visible:
            onInvalidUserInput: true
          payload:
            action: "cancel"
    transitions:
      next: "saveSelectedWine"    
      actions:
        cancel: "cancelOrder"

  selectWhiteWine:
    component: "System.CommonResponse"
    properties:
      processUserMessage: true
      variable: "whiteWines"
      nlpResultVariable: "iResult"      
      useFullEntityMatches: false      
      maxPrompts: 2
      metadata: 
        responseItems:         
        - type: "text"  
          text: "${system.entityToResolve.value.prompt}" 
          footerText:
          visible: 
            expression:            
            entitiesToResolve:
              include:
              exclude:    
            channels:
              include:
              exclude:  
            onInvalidUserInput:  
          actions:
          - label: "${(enumValue?index?number +1)?lower_abc}. ${enumValue}"
            type: "postback"
            iteratorVariable: "system.entityToResolve.value.enumValues"
            keyword: "${(enumValue?index?number +1)?lower_abc}, ${enumValue}"
            payload:
              variables:
                whiteWines: "${enumValue}"
            visible: 
        globalActions: 
        - label: "Show Previous"
          type: "postback" 
          visible:
            expression: "${system.entityToResolve.value.needShowPreviousButton}"
          payload:
            action: "system.showPrevious"
            variables: 
              ${system.entityToResolve.value.rangeStartVar}: ${system.entityToResolve.value.previousRangeStart} 
        - label: "Show More"
          type: "postback" 
          visible:
            expression: "${system.entityToResolve.value.needShowMoreButton}"
          payload:
            action: "system.showMore"
            variables: 
              ${system.entityToResolve.value.rangeStartVar}: ${system.entityToResolve.value.nextRangeStart} 
        - label: "Cancel"
          type: "postback" 
          visible:
            onInvalidUserInput: true
          payload:
            action: "cancel"
    transitions:
      next: "saveSelectedWine"    
      actions:
         cancel: "cancelOrder"

  checkForWineColor:
    component: "System.CommonResponse"
    properties:
      processUserMessage: true
      variable: "wineTypes"
      nlpResultVariable: "iResult"       
      useFullEntityMatches: false      
      maxPrompts: 2
      metadata: 
        responseItems:         
        - type: "text"  
          text: "${system.entityToResolve.value.prompt}" 
          footerText:
          visible: 
            expression:            
            entitiesToResolve:
              include:
              exclude:    
            channels:
              include:
              exclude:  
            onInvalidUserInput:  
          actions:
          - label: "${enumValue}"
            type: "postback"
            iteratorVariable: "system.entityToResolve.value.enumValues"
            keyword: 
            payload:
              variables:
                wineTypes: "${enumValue}"
            visible: 
        globalActions: 
        - label: "Show Previous"
          type: "postback" 
          visible:
            expression: "${system.entityToResolve.value.needShowPreviousButton}"
          payload:
            action: "system.showPrevious"
            variables: 
              ${system.entityToResolve.value.rangeStartVar}: ${system.entityToResolve.value.previousRangeStart} 
        - label: "Show More"
          type: "postback" 
          visible:
            expression: "${system.entityToResolve.value.needShowMoreButton}"
          payload:
            action: "system.showMore"
            variables: 
              ${system.entityToResolve.value.rangeStartVar}: ${system.entityToResolve.value.nextRangeStart} 
        - label: "Cancel"
          type: "postback" 
          visible:
            onInvalidUserInput: true
          payload:
            action: "cancel"
    transitions:
      next: "determineWineMenu"    
      actions:
        cancel: "cancelOrder"

  determineWineMenu:
    component: "System.Switch"
    properties:
      variable: "wineTypes"
      values:
      - "red wine"
      - "white wine"
    transitions:
      actions:
        red wine: "selectRedWine"
        white wine: "selectWhiteWine"
        NONE: "checkForWineColor" 
     
  saveSelectedWine:
    component: "System.SetVariable"
    properties:
      variable: "selectedWine"
      value: "${redWines.value?hasContent?then(redWines.value, whiteWines.value)}"
    transitions:
      next: "branchToOrderOrQuestionFlow"
      
  branchToOrderOrQuestionFlow:
    component: "System.ConditionEquals"
    properties:
      variable: "chatType"
      source:
      value: "order"
    transitions:
      actions:
        equal: "askShippingSize"
        notequal: "showAnswerToQuestion"

  askShippingSize:
    component: "System.ResolveEntities"
    properties:
      variable: "orderSizes"
      useFullEntityMatches: false      
      maxPrompts: 2
      showMoreLabel:
      showPreviousLabel:
    transitions:
      next: "summarizeOrder"    
      actions:
        cancel: "askCancelOrder"

  askCancelOrder:
    component: "System.CommonResponse"
    properties:
      processUserMessage: true
      variable: "yesNo"
      useFullEntityMatches: false      
      maxPrompts: 2
      metadata: 
        responseItems:         
        - type: "text"  
          text: "I cannot ship wine without an order Size. Do you want to cancel this order (yes/no)?"
          footerText:
    transitions:
      actions:
        match: "checkCancelOrderOrNot"
        cancel: "cancelOrder"

  checkCancelOrderOrNot:
    component: "System.ConditionEquals"
    properties:
      source: "${yesNo.value.yesno}"
      value: "YES"
    transitions:
      actions:
        equal: "cancelOrder"
        notequal: "askShippingSize"

  cancelOrder:
    component: "System.Output"
    properties:
      text: "Our winery chat just ended here. If you wish, we can start over again. If not, then have a good day, cheers - your friend Grapy"
      keepTurn: false
    transitions:
      return: "done"
      
  summarizeOrder:
    component: "System.CommonResponse"
    properties:
      processUserMessage: false
      keepTurn: false
      metadata: 
        responseItems:         
        - type: "attachment"
          headerText: "Order Summary"
          attachmentType: "image" 
          attachmentUrl: "${redWineCard.value[selectedWine]?has_content?then(redWineCard.value[selectedWine].image, whiteWineCard.value[selectedWine].image)}"    
          footerText: "You ordered ${orderSizes.value} of ${selectedWine.value} for ${redWineCard.value[selectedWine]?has_content?then(redWineCard.value[selectedWine].price, whiteWineCard.value[selectedWine].price)}$ per bottle."
    transitions:
      return: "done"

  setChatToExplainType:
    component: "System.SetVariable"
    properties:
      variable: "chatType"
      value: "question"
    transitions:
      next: "confirmQuestion"

  confirmQuestion:
    component: "System.Output"
    properties:
      text: "Let me get your question answered."
      keepTurn: true
    transitions:
      next: "startDetermineWineType"
 
      
  showAnswerToQuestion:
    component: "System.Output"
    properties:
      text: "${rb(selectedWine.value)}"
      keepTurn: true
    transitions:
      next: "goodbye"
      
  goodbye:
    component: "System.Output"
    properties:
      text: "Hope I could help. If you want, ask another question."
      keepTurn: false
    transitions:
      return: "done"

  handleBotNotUnderstanding:
    component: "System.Output"
    properties:
      text: "Hmm, seems I did not quite understand. I hope my wine skills are better. You can try my wine skills by sending a message like 'I want to order wine'"
      keepTurn: false
    transitions:
      return: "done"

  outOfOrderMessageHandler:
    component: "System.ConditionEquals"
    properties:
      variable: 
      source: "${(system.expectedState == 'buildRedWineMenu')?then('disAllowNavigation','allowNavigation')}"
      value: "allowNavigation"
    transitions:
      actions:
        equal: "${system.actualState}"
        notequal: "navigationNotAllowedMessage"

  navigationNotAllowedMessage:
    component: "System.Output"
    properties:
      text: "I can't change the direction at this point in the conversation. Please start a new chat for any new orders or questions you have."
      keepTurn: false
    transitions:
      return: "done"