using System.Text.Json;
using FastEndpoints;
using FrameworkBLL.WorkFlow;
using FrameworkDAL.DTO.Workflow;
using FrameworkDAL.Query.Region;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using static FrameworkDAL.Constant.Constant;

namespace FrameworkSL.Endpoints.WorkFlow
{
    public class GetWorkFlowApprovalList : BaseEndpoint<GetWorkFlowApprovalList.GetWorkFlowApprovalListParameters, ResponseStandardDTO<object>>
    {
        private readonly IWorkFlowBLL _IWorkFlowBLL;

        public GetWorkFlowApprovalList(IWorkFlowBLL IWorkFlowBLL)
        {
            _IWorkFlowBLL = IWorkFlowBLL;
        }

        public override void Configure()
        {
            Post("/WorkFlow/GetWorkFlowApprovalList");
            AllowAnonymous();
        }

        public record GetWorkFlowApprovalListParameters(
            [property: FromHeader] string Login,
            [property: QueryParam] int WorkflowType,
            [property: QueryParam] int FirstNumber,
            [property: QueryParam] int MaxResult,
            [property: FromBody] CriteriaDTO CriteriaDTO
        );

        protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(GetWorkFlowApprovalListParameters req, LoginDTO LoginDTO, CancellationToken ct)
        {
            try
            {
                var result = await _IWorkFlowBLL.WorkFlowApprovalList(req.WorkflowType, req.FirstNumber, req.MaxResult, req.CriteriaDTO, LoginDTO);

                int total    = result.FirstOrDefault()?.TotalCount ?? 0;
                int first    = req.FirstNumber + 1;
                int last     = req.FirstNumber + result.Count;
                int previous = req.FirstNumber > 0 ? Math.Max(1, first - req.MaxResult) : 0;
                int next     = last < total ? last + 1 : 0;

                var response = await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(result, CacheKeyLevel.NotRequired, LoginDTO);
                response.Total    = total;
                response.First    = first.ToString();
                response.Last     = last.ToString();
                response.Previous = previous.ToString();
                response.Next     = next.ToString();

                return response;
            }
            catch (Exception ex)
            {
                return await GB5Shared.ResponseStandard.Response.CreateExceptionError<string>(ex, CacheKeyLevel.NotRequired, LoginDTO, ex.Message, 500);
            }
        }
    }
}