var ObjectID = require ('mongodb').ObjectID;

var generateInteractionModel = function (skill) {
    try{
        let result = {};
        let allIntents = [];
        let defaultIntents = [{
                name: "AMAZON.CancelIntent",
                samples: []
                },
                {
                name: "AMAZON.HelpIntent",
                samples: []
                },
                {
                name: "AMAZON.StopIntent",
                samples: []
                }];

        defaultIntents.map(intent=>{
            allIntents.push(intent);
        });

        skill.intents.map(intent=>{
            allIntents.push({name: intent.intentName, samples: intent.questions, slots: []});
        });

        result.languageModel = {
            invocationName: skill.invocationName,
            intents: allIntents
        };

        return JSON.stringify(result);
    }catch(e){
        console.log("error generate : " + e);
    }
}

module.exports = {
    sendUpdateToAmazon: function (id, db){
        db.collection ('skill_list').find({_id: ObjectID(id)}).toArray((err,result)=>{
            if (err){
                console.log("Error finding skill");
            }else{
                //generateInteractionModel
                //POST to amazon
                let generatedInteractionModel = generateInteractionModel(result[0]);
                
            }
        });
    }
};