using GozareshgirProgramManager.Application._Common.Interfaces;
using GozareshgirProgramManager.Application._Common.Models;
using GozareshgirProgramManager.Domain._Common;
using GozareshgirProgramManager.Domain.ProjectAgg.Entities;
using GozareshgirProgramManager.Domain.ProjectAgg.Entities.Task.TaskSection;
using GozareshgirProgramManager.Domain.ProjectAgg.Enums;
using GozareshgirProgramManager.Domain.ProjectAgg.Repositories;

namespace GozareshgirProgramManager.Application.Modules.TaskSectionTimeRequests.Commands.CreateTimeRequest;

public record CreateTimeRequestCommand(int Hours, int Minutes, string Description,
    TaskSectionTimeRequestType RequestType,Guid TaskSectionId) : IBaseCommand;

public class CreateTimeRequestCommandHandler : IBaseCommandHandler<CreateTimeRequestCommand>
{
    private readonly IAuthHelper _authHelper;
    private readonly ITaskSectionTimeRequestRepository _timeRequestRepository;
    private readonly ITaskSectionRepository _taskSectionRepository;
    private readonly IUnitOfWork _unitOfWork;

    public CreateTimeRequestCommandHandler
        (ITaskSectionTimeRequestRepository timeRequestRepository, IAuthHelper authHelper, IUnitOfWork unitOfWork, ITaskSectionRepository taskSectionRepository)
    {
        _timeRequestRepository = timeRequestRepository;
        _authHelper = authHelper;
        _unitOfWork = unitOfWork;
        _taskSectionRepository = taskSectionRepository;
    }

    public async Task<OperationResult> Handle(CreateTimeRequestCommand request, CancellationToken cancellationToken)
    {
        var currentUser = _authHelper.GetCurrentUserId();
        if (!currentUser.HasValue)
        {
            return OperationResult.Unauthorized();
        }

        if (!_taskSectionRepository.Exists(x=>x.Id == request.TaskSectionId))
        {
            return OperationResult.NotFound("وظیفه فرعی مورد نظر یافت نشد");
        }
        

        var requestTimeSpan = TimeSpan.FromHours(request.Hours) + TimeSpan.FromMinutes(request.Minutes);
        
        var entity = new TaskSectionTimeRequest(currentUser.Value, request.Description, requestTimeSpan,
            request.RequestType,request.TaskSectionId);
        await _timeRequestRepository.CreateAsync(entity);
        await _unitOfWork.SaveChangesAsync(cancellationToken);
        return OperationResult.Success();
    }
}