import { HandlerInput, RequestHandler } from 'ask-sdk-core'
import { IntentRequest } from 'ask-sdk-model'
export const RecipeHandler: RequestHandler = {
    canHandle(handlerInput: HandlerInput) {
        return (
            handlerInput.requestEnvelope.request.type === 'IntentRequest' &&
            handlerInput.requestEnvelope.request.intent.name === 'RecipeIntent'
        )
    },
    handle(handlerInput) {
        const requestAttributes = handlerInput.attributesManager.getRequestAttributes()
        const sessionAttributes = handlerInput.attributesManager.getSessionAttributes()
        const request: IntentRequest = handlerInput.requestEnvelope
            .request as IntentRequest
        const itemSlot = request.intent.slots.Item
        let itemName
        if (itemSlot && itemSlot.value) {
            itemName = itemSlot.value.toLowerCase()
        }

        const cardTitle = requestAttributes.t(
            'DISPLAY_CARD_TITLE',
            requestAttributes.t('SKILL_NAME'),
            itemName
        )
        const myRecipes = requestAttributes.t('RECIPES')
        const recipe = myRecipes[itemName]
        let speakOutput = ''

        if (recipe) {
            sessionAttributes.speakOutput = recipe
            //sessionAttributes.repromptSpeech = requestAttributes.t('RECIPE_REPEAT_MESSAGE');
            handlerInput.attributesManager.setSessionAttributes(
                sessionAttributes
            )

            return handlerInput.responseBuilder
                .speak(sessionAttributes.speakOutput) // .reprompt(sessionAttributes.repromptSpeech)
                .withSimpleCard(cardTitle, recipe)
                .getResponse()
        } else {
            speakOutput = requestAttributes.t('RECIPE_NOT_FOUND_MESSAGE')
            const repromptSpeech = requestAttributes.t(
                'RECIPE_NOT_FOUND_REPROMPT'
            )
            if (itemName) {
                speakOutput += requestAttributes.t(
                    'RECIPE_NOT_FOUND_WITH_ITEM_NAME',
                    itemName
                )
            } else {
                speakOutput += requestAttributes.t(
                    'RECIPE_NOT_FOUND_WITHOUT_ITEM_NAME'
                )
            }
            speakOutput += repromptSpeech

            sessionAttributes.speakOutput = speakOutput //saving speakOutput to attributes, so we can use it to repeat
            sessionAttributes.repromptSpeech = repromptSpeech

            handlerInput.attributesManager.setSessionAttributes(
                sessionAttributes
            )

            return handlerInput.responseBuilder
                .speak(sessionAttributes.speakOutput)
                .reprompt(sessionAttributes.repromptSpeech)
                .getResponse()
        }
    },
}