const familyAndAZ = 'familyAndAZ';

function sumArraysByElement(arrayA, arrayB) {
  return arrayA.map(function(num, idx) {
    return num + arrayB[idx];
  });
}

function calculatePoolCapacity(freeHostsList, freeSlotsList) {
  let rampUpArray = new Array(20).fill(0);
  freeHostsList.map(function(freeHostModel, index) {
    rampUpArray = sumArraysByElement(rampUpArray, freeHostModel.dailyValuesList);
  });
  console.log(freeSlotsList);
  return rampUpArray;
}

function constructHeatmapRowObjects(data) {
  const heatmapRowObjects = [];
  const dateNamesArray = data.dailyValueDaysList;

  data.zoneReportList.map(function(zoneModel) {
    const zoneName = zoneModel.zoneName;
    zoneModel.familyReportList.map(function(familyModel) {
      const familyName = familyModel.familyName;
      const zoneFamilyObject = { familyAndAZ: familyName.concat('@', zoneName) };
      // empty ramp up list
      let rampUpArray = new Array(20).fill(0);
      // calculate pool capacity
      const poolRampUpArray = calculatePoolCapacity(familyModel.poolHealth.freeHostsList, familyModel.poolHealth.freeSlotsList);
      rampUpArray = sumArraysByElement(rampUpArray, poolRampUpArray);
      // calculate reservations
      // calculate proposals
      // calculate in flight racks
      dateNamesArray.map(function(item, z) {
        zoneFamilyObject[item] = rampUpArray[z];
      });
      heatmapRowObjects.push(zoneFamilyObject);
    });
  });
  return heatmapRowObjects;
}