//two functions that get UIDs
//store them in an array
//iterate throught that array
//to find a matching email

//sample Data:
//  firebase project
//    -users
//      -DSDFLDSFDF
//        -email: "hello@gmail.com"
//      -SDSDFDFSDF
//        -email: "jimbob@gmail.com"

//how to run functions in console
//getStuff("/users")
//getEmail("hello@gmail.com")
//emailSavedPath



var arrayMe = [];
function getStuff(path) {
  //run for Each loop and get all incremental children off of the /users branch
  var database = firebase.database().ref(path);
  database.on('value', function(snapshot){
    for(var item in snapshot.val()){
      //push each UID into an array
      arrayMe.push(item);
    }
    //log the array of UIDs
    console.log(arrayMe);
  });

}

var emailSavedPath = "";
var matchFound = "";
function getEmail(comparingEmail){
  //iterate through all arrayMe elements
  for(var item in arrayMe){
    var database = firebase.database().ref("/users/"+arrayMe[item]+"/email");
    database.on('value', (snapshot) =>{
      console.log(snapshot.val());

      //compare an arrayMe element with passed in arguement
      if(snapshot.val()==comparingEmail){
        //if found, store path to email in 'savedEmailPath'
        console.log("Found match!");
        emailSavedPath = "/users/"+arrayMe[item];
      }else{
        console.log("Match not found!");
        matchFound="false";
      }

    });
  }
}