using System;
using System.Threading.Tasks;
using System.Text;
using Compliance.Domain.Models;
using Compliance.DTOs;
using Compliance.Infrastructure.Repositories;

namespace Compliance.Services.ValidationRules
{
    public class ConsecutiveEstimationValidationRule : IValidationRule
    {
        private const string RULE_NAME = "Consecutive Estimation Validation";
        private const int MAX_CONSECUTIVE_ESTIMATIONS = 3;
        
        public int Priority => 1;

        public Task<ValidationResult> ValidateAsync(
            BillComplianceRequest request,
            DistributorInformation distributorInfo,
            Client clientInfo)
        {
            if (request.ConsecutiveEstimations > MAX_CONSECUTIVE_ESTIMATIONS)
            {
                return Task.FromResult(ValidationResult.Failure(RULE_NAME, 
                    $"Maximum consecutive estimated readings ({MAX_CONSECUTIVE_ESTIMATIONS}) exceeded"));
            }

            return Task.FromResult(ValidationResult.Success(RULE_NAME));
        }
    }
}