var daysOfWeek = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday'];

var inputCalories = [3500, 1500, 1800, 2300, 2400, 1500, 1500];

// const caloriesByDay = daysOfWeek.map(function(day, index) {
//   return {
//     [day]:inputCalories[index]
//   }
// })

const caloriesByDay = daysOfWeek.map((day, i) => ({[day]: inputCalories[i]}))

console.log(caloriesByDay)

function calculateHealthPlan(caloriesByDay) {
  
  var desiredCaloriePerDay = 2200;

  var healthyDays = []
  var unhealthyDays = []

  for(var index = 0; index < inputCalories.length; index++) {

  // shorter version
  
    // const isHealthy = inputCalories[index] <= 2000 : true : false

    // if(isHealthy)
    if(inputCalories[index] <= 2200) {
      // add to healthyDays
      healthyDays.push(
        {
          [daysOfWeek[index]]: inputCalories[index]
        }
      )
      
      // healthyDays = [...healthyDays, inputCalories[index]]
    }

    if(inputCalories[index] > 2200) {
      // add to unhealthyDays
      unhealthyDays.push(
        {
          [daysOfWeek[index]]: inputCalories[index]
        }
      )
    }
  }

  return {
    healthyDays: healthyDays,
    unhealthyDays: unhealthyDays
  }

}