using FluentValidation;

namespace Landmark.OLA.Models.Loan.Validators
{
    public class BranchConfigValidator : AbstractValidator<BranchConfig>
    {
        public BranchConfigValidator() {
            RuleFor(x => x.BranchCodesByZip).Must((x, branchCodes) => NoZipcodeDuplicates(branchCodes))
                .WithMessage("You cannot have duplicate zipcodes.");
        }
        
        private static bool NoZipcodeDuplicates(List<BranchData> branchData)
        {
            var matchFound = false;
            foreach (var eachMapping in branchData)
            {
                int matchCount = 0;
                foreach (var otherMapping in branchData)
                {
                    if( otherMapping.Zipcode == eachMapping.Zipcode)
                    {
                        matchCount++;
                    }
                }
                if( matchCount > 1 )
                {
                    matchFound = true;
                }
            }
            return !matchFound;
        }
    }
}