private PolicyBonus[] CalculatePolicyBonus(Policy[] policies, FacebookBonusSettings settings)
{
var resultPolicyBonus = new PolicyBonus[policies.Length];
int count = 0;
int total = 0;
int temp = 0;
foreach (Policy policy in SortPoliciesWithConditionSpecifiedInSettings(policies, settings))
{
temp = CalculateBonusIntensivePoints(policy.Premium, settings.BonusPercentage);
var elementPolicyBonus = new PolicyBonus()
{
PolicyNumber = policy.PolicyNumber,
BonusInPoints = temp
};
if (IsTotalBiggerThanMaxiumPointAndIsMaxiumBiggerThan0(total + temp, settings.MaximumBonus))
{
temp = Convert.ToInt32(settings.MaximumBonus) - total;
total = Convert.ToInt32(settings.MaximumBonus);
elementPolicyBonus.BonusInPoints = temp;
}
else
{
total += temp;
}
resultPolicyBonus[count] = elementPolicyBonus;
count++;
}
return(resultPolicyBonus);
}
private static void Main(string[] args)
{
var secondPolicy = new Policy()
{
PolicyNumber = "P001", Premium = 200, StartDate = new DateTime(2016, 05, 06)
};
var firstPolicy = new Policy()
{
PolicyNumber = "P002", Premium = 100, StartDate = new DateTime(2017, 08, 11)
};
var thirdPolicy = new Policy()
{
PolicyNumber = "P003", Premium = 100, StartDate = new DateTime(2017, 09, 12)
};
var settings = new FacebookBonusSettings()
{
BonusPercentage = 3,
MaximumBonus = 10,
PolicySorter = new AscendingOrderOfPoliciesStartDate()
};
var calculationInput = new FacebookBonusCalculationInput()
{
PoliciesOfCustomer = new Policy[] { firstPolicy, secondPolicy, thirdPolicy },
Settings = settings
};
var facebookBonusCalculator = new FacebookBonusCalculator();
FacebookBonus facebookBonus = facebookBonusCalculator.Calculate(calculationInput);
PolicyBonus policyBonus = facebookBonus.PolicyBonuses[0];
Console.WriteLine(policyBonus.PolicyNumber + " " + policyBonus.BonusInPoints);
var expectedPolicyBonus = new PolicyBonus()
{
PolicyNumber = "P001", BonusInPoints = 6
};
Console.WriteLine("\n" + facebookBonus.PolicyBonuses.Contains(expectedPolicyBonus));
Console.ReadLine();
}
/// <summary>
/// Calculates the bonus.
/// </summary>
/// <param name="input">A parameter object representing inputs to the calculation.</param>
/// <returns>A <see cref="FacebookBonus"/> object.</returns>
public virtual FacebookBonus Calculate(FacebookBonusCalculationInput input)
{
// TODO: Implement bonus calculation.
//throw new NotImplementedException();
var facebookBonusSetting = input.Settings;
int sumBonusInPoints = 0;
var lstPolicies = input.PoliciesOfCustomer.OrderBy(n => n.StartDate);
List <PolicyBonus> lstPolicyBonuses = new List <PolicyBonus>();
foreach (var item in lstPolicies)
{
float bonusInPoints = (float)item.Premium * facebookBonusSetting.BonusPercentage;
int bonusInPointsAfterFloor = (int)Math.Floor(bonusInPoints);
sumBonusInPoints += bonusInPointsAfterFloor;
PolicyBonus policyBonus = new PolicyBonus {
PolicyNumber = item.PolicyNumber, BonusInPoints = bonusInPointsAfterFloor
};
lstPolicyBonuses.Add(policyBonus);
if (sumBonusInPoints > facebookBonusSetting.MaximumBonus)
{
var temp = lstPolicyBonuses.ToList();
temp.RemoveAt(temp.Count - 1);
lstPolicyBonuses.Last().BonusInPoints = (int)facebookBonusSetting.MaximumBonus - temp.Sum(n => n.BonusInPoints);
return(new FacebookBonus {
PolicyBonuses = lstPolicyBonuses.ToArray()
});
}
}
return(new FacebookBonus {
PolicyBonuses = lstPolicyBonuses.ToArray()
});
}
