// Rover Object Goes Here
// ======================
let Rover = {
  direction: 'N',
  x: 0,
  y: 0,
  travelLog: []
}
// ======================
function turnLeft(rover){
  console.log("turnLeft was called!");
  switch(rover.direction) {
    case 'N':
      rover.direction = 'W'
    break
    case 'S':
      rover.direction = 'E'
    break
    case 'W':
      rover.direction = 'S'
    break
    case 'E':
      rover.direction = 'N'
    break
  }
}

function turnRight(rover){
  console.log("turnRight was called!");
  switch(rover.direction) {
    case 'N':
      rover.direction = 'E'
    break
    case 'S':
      rover.direction = 'W'
    break
    case 'W':
      rover.direction = 'N'
    break
    case 'E':
      rover.direction = 'S'
    break
  }
}

function moveForward(rover){
  console.log("moveForward was called")
  let i = 0
  switch(rover.direction) {
    case 'N':
      rover.y = rover.y + 1
      i++
    break
    case 'S':
      rover.y = rover.y - 1
      i++
    break
    case 'W':
      rover.x = rover.x - 1
      i++
    break
    case 'E':
      rover.x = rover.x + 1
      i++
    break
  }
  console.log(rover.x, rover.y)
}

function comandos (listaDeComandos) {
  for(i=0; i<listaDeComandos.length; i++) {
    switch(listaDeComandos[i]) {
      case 'f':
        moveForward(Rover)
        break
      case 'l':
        turnLeft(Rover);
        break
      case 'r':
        turnRight(Rover)
        break
    }
  }
  Rover.travelLog.push([Rover.x, Rover.y])
  console.log(Rover.travelLog)
}

//moveForward(Rover)
comandos('lfrlfr')