using System;
using LCU.Shared.Collections.RepoApiLib.Models;

namespace LCU.API.Collections.RepoApi.Domain.FloorPricing.Strategies
{
    /**
     * This strategy uses the suggested price from the ImsAutoFileData entry for the auction.
     */
    public class AutoImsSuggestedValue : IFloorPricingStrategy
    {
        public AutoImsSuggestedValue() { }

        public FloorPriceCalculationResult CalculateFloorPrice(FloorPriceCalculationParams fpcParams)
        {
            var result = new FloorPriceCalculationResult()
            {
                StrategyName = this.GetType().FullName,
                Success = false
            };

            if (fpcParams?.ImsAutoFileData?.AuctionGuideBookPrice != null)
            {
                // Price must be rounded to nearest $5 per business.
                var inputPrice = (double)(fpcParams.ImsAutoFileData.AuctionGuideBookPrice ?? 0);
                result.FloorPrice = (decimal) (Math.Round( inputPrice / 5.0) * 5); 
                result.Success = result.FloorPrice > 0;
                result.FailureReason = result.Success ? "" : "Failed attempt to use auction guide book price.";
            }
            else
            {
                result.Success = false;
                result.FailureReason = "Auction Guide Book Price missing.";
            }

            return result;
        }

        public int GetStrategyWeight()
        {
            return 0; // This is NOT the preferred strategy.
        }
    }
}