console.log("anything between these quotes will be shown on the console");

//creating a variable is easy!
var myVariable = "my name is ";

// console.log is a way we can see what a variable 
// is in our handle console over there
// click run to see it in action

console.log(myVariable);

// create your own variable with your name. Call it yourVariable


// Now let's try something new - using multiple variables together
// remove the // from the next line and click run
//console.log(myVariable + yourVariable);

// Here is our handy variable again
var myVar = "my name is ";

//now look at this variable
var myNumber = 5;

//what's the difference? Click run to find out

console.log("MyVar is a " + typeof myVar);
console.log("myNumber is a " + typeof myNumber);

// What if we want to store a list of things?
// We're in luck, Javascript has a data type for that
// it's called an array
var favFoods = ["pizza", "pasta"];

// try making your own called myFavFoods and logging it to the console

// What if we have a lot of data about one thing
// like about Melissa?
// well here is a new data type

var Melissa = {
  lastName : "Mcewen",
  firstName: "Melissa",
  favColor: "blue"
};

console.log(Melissa);

// this is an object, click run to see what happens


// what is lastName?
// it is a variable, but inside the object we don't use
// var lastName = "Mcewen"
// we use
// lastName : "McEwen"

//but what if we want to print out just the lastName? 
// And not the entire info about Melissa?
console.log(Melissa.lastName);

// Now try printing out the first name


// Now try making your own object with your info
var You = {
  
}

// and printing out just your last name

//defining a function
function mathSpell(number1, number2){
  console.log(number1+number2);
}
//calling a function
mathSpell(2,2);

// here is our function
function mySpell(thing){
  return "You've been turned into a " + thing
}


// now let's run our function
console.log(mySpell("pumpkin"))

// what is thing? Thing is called an argument, it is the function's input
//now try it with your own argument! 
// try making the function turn you into an apple or a dinosaur

//defining a function
function math(number1, number2){
  console.log(number1+number2);
}
//calling a function
math("2","2");

// declaring a function
function myFunction(argument) {
  //let's store our answer in a variable
  var answer = (argument * 2) - 42;
  // to combine words we taking strings and using + to put them together
  console.log("look for line " + answer + " in messages.js for the answer");
  
}

// call your function with the number 32 as the argument

// now look in messages.js for the secret code word

// Now let's write your own function to take your first and last name as arguments 
// and log your full name to the console

function practicePostback(event){
  var senderID = "fakeID123";
  var payload = event.postback.payload;
  // 1. edit this to be triggered when the payload is "testme"
  if(payload === ""){
    console.log("you successfully triggered step 1! woohoo");
 
    var buttons = [
    /* 
    2. now let's make two buttons
    the format for a button is:
     {
       type:"postback",
       payload:"action",
       title:"button text"
      }
    */
    ];
    // 3. add a message
    var messageText = "";
    
    // now call testSendMessage
    testSendMessage(senderID, messageText, buttons)
  } else {
    console.log("oops don't forget to edit the 'if' in step 1");
  }
}

// this is a little like the events that facebook sends your app 
// but only contains the payload from a postback
var practiceEvent = {
  postback: {
     payload: "testme"
   }
}

// this is a test version of the SendMessage function
function testSendMessage(senderID, messageText, buttons) {
  console.log("successfully called testSendMessage");
  if (messageText) {
    console.log("your message is " + messageText);
   } else {
     console.log ("oops looks your message is missing, go to step 3 and add one");
   }
  
  if (buttons && buttons.length) {
      console.log ("the buttons are:");
      buttons.forEach(function(element) {
       console.log(element.title);
      });
  } else {
     console.log ("oops looks like the buttons are missing, go to step 2 and add some");
  }


}

//4.  call practicePostback using the practiceEvent variable

  // if our payload/action is "get_started", send them a message with the following buttons
  if (payload === "get_started"){
     var messageText= "Oh hello! Sorry I didn't notice you, I've been reading this wonderful book. It's my favorite part because—you'll see Here's where she meets Prince Charming But she won't discover that it's him 'til Chapter Three!";
     var buttons = [
     {
      type:"postback",
      payload:"likes",
      title:"Your likes"
    },
    {
      type:"postback",
      payload: "life",
      title: "Your life"
    }
    
    ];
    Messages.sendButtons(senderID, messageText, buttons);
  }

  if (payload === "dislikes"){
    var messageText = "Well there is this man in town named Gaston. Boorish, brainless. He thinks I would want to be his wife. Can you imagine?"
    var buttons = [
    {
      type:"postback",
      payload:"goodbye",
      title:"Goodbye"
    }

    ];
    
    Messages.sendButtons(senderID, messageText, buttons);

  }