using AccountsBLL.Voucher;
using AccountsDAL.DTO.Voucher;
using FastEndpoints;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using static GB5Shared.GB5Constant.Constant;

namespace AccountsSL.EndPoints.Voucher
{
    public class AutoPendingBillAllocation : BaseEndpoint<AutoPendingBillAllocation.AutoPendingBillAllocationParameters, ResponseStandardDTO<object>>
    {
        private readonly IVoucherBLL _VoucherBLL;

        public AutoPendingBillAllocation(IVoucherBLL voucherBLL)
        {
            _VoucherBLL = voucherBLL;
        }

        public override void Configure()
        {
            Post("/Voucher/AutoPendingBillAllocation");
            AllowAnonymous();
        }

        // Matches the real legacy call: POST ?Amount=100 with a BillAllocationFilterDTO-shaped
        // body ({ AccountId, DetailType, OuId, ... }) — confirmed against the actual live GB4 request.
        public record AutoPendingBillAllocationParameters(
            [property: FromHeader] string Login,
            [property: QueryParam] double Amount,
            [property: FromBody] BillAllocationFilterDTO BillAllocationFilterDTO
        );

        protected override string? GetCacheKey(AutoPendingBillAllocationParameters Parameters, LoginDTO LoginDTO) => null;

        protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(AutoPendingBillAllocationParameters req, LoginDTO LoginDTO, CancellationToken ct)
        {
            try
            {
                var Result = await _VoucherBLL.AutoPendingBillAllocation(req.Amount, req.BillAllocationFilterDTO, LoginDTO!);
                return await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(Result, CacheKeyLevel.NOT_REQUIRED, LoginDTO);
            }
            catch (Exception ex)
            {
                return await GB5Shared.ResponseStandard.Response.CreateExceptionError<string>(ex, CacheKeyLevel.NOT_REQUIRED, LoginDTO, ex.Message, 500);
            }
        }
    }
}