using GozareshgirProgramManager.Application._Common.Interfaces;
using GozareshgirProgramManager.Application._Common.Models;
using GozareshgirProgramManager.Domain._Common;
using GozareshgirProgramManager.Domain.SalaryPaymentSettingAgg.Entities;
using GozareshgirProgramManager.Domain.SalaryPaymentSettingAgg.Enums;
using GozareshgirProgramManager.Domain.SalaryPaymentSettingAgg.Repositories;

namespace GozareshgirProgramManager.Application.Modules.SalaryPaymentSettings.Commands.CreateSalarySettings;

public class CreateSalarySettingsCommandHandler : IBaseCommandHandler<CreateSalarySettingsCommand>
{
    readonly ISalaryPaymentSettingRepository _salaryPaymentSettingRepository;
    readonly IUnitOfWork _unitOfWork;

    public CreateSalarySettingsCommandHandler(ISalaryPaymentSettingRepository salaryPaymentSettingRepository, IUnitOfWork unitOfWork)
    {
        _salaryPaymentSettingRepository = salaryPaymentSettingRepository;
        _unitOfWork = unitOfWork;
    }

    public async Task<OperationResult> Handle(CreateSalarySettingsCommand request, CancellationToken cancellationToken)
    {

        if(_salaryPaymentSettingRepository.Exists(x=>x.UserId == request.UserId))
            return OperationResult.Failure(" برای این پرسنل قبلا تنظیمات ایجاد شده است");


        if (string.IsNullOrWhiteSpace(request.SalaryPerMinute))
            return OperationResult.Failure("حقوق ماهانه وارد نشده اشت");
        double monthlySalary = 0;
        try
        {
            monthlySalary = request.SalaryPerMinute.MoneyToDouble();
        }
        catch (Exception e)
        {
            return OperationResult.Failure("مبلغ حقوق به درستی وارد نشده است");
        }
       

        if (monthlySalary == 0)
            return OperationResult.Failure("مبلغ حقوق به درستی وارد نشده است");

        var workingHoursList = new List<WorkingHours>();
        foreach (var workingHours in request.WorkingHoursList)
        {
            var startShiftOne = new TimeSpan();
            var endShiftOne = new TimeSpan();
            var startShiftTwo = new TimeSpan();
            var endShiftTwo = new TimeSpan();
            var restTime =  new TimeSpan();
            workingHours.HasShiftOne = false;
            workingHours.HasRestTime = false;
            workingHours.HasShiftTow = false;
            try
            {
                if (!string.IsNullOrWhiteSpace(workingHours.StartShiftOne) && !string.IsNullOrWhiteSpace(workingHours.EndShiftOne))
                {
                    startShiftOne = TimeSpan.ParseExact(workingHours.StartShiftOne, @"hh\:mm", null);
                    endShiftOne = TimeSpan.ParseExact(workingHours.EndShiftOne, @"hh\:mm", null);

                    workingHours.HasShiftOne = true;
                        

                    if (!string.IsNullOrWhiteSpace(workingHours.RestTime))
                    {
                        try
                        {
                            restTime = TimeSpan.ParseExact(workingHours.RestTime, @"hh\:mm", null);
                            workingHours.HasRestTime = true;
                        }
                        catch (Exception e)
                        {
                            return OperationResult.Failure("فرمت ساعت استراحت اشتباه وارد شده است");
                        }
                    }
                    
                }

                if (!string.IsNullOrWhiteSpace(workingHours.StartShiftTwo) &&
                    !string.IsNullOrWhiteSpace(workingHours.EndShiftTwo))
                {
                    workingHours.HasRestTime = false;
                    workingHours.HasShiftTow = true;

                    startShiftTwo = TimeSpan.ParseExact(workingHours.StartShiftTwo, @"hh\:mm", null);
                    endShiftTwo = TimeSpan.ParseExact(workingHours.EndShiftTwo, @"hh\:mm", null);
                }
            }
            catch (Exception)
            {
               return OperationResult.Failure("فرمت ساعت اشتباه وارد شده است");
            }




            workingHoursList.Add(new WorkingHours(startShiftOne,endShiftOne,startShiftTwo, endShiftTwo,restTime,workingHours.HasShiftOne,workingHours.HasShiftTow,workingHours.HasRestTime, workingHours.PersianDayOfWeek, workingHours.IsActiveDay));

        }

        if(workingHoursList.Count < 7)
            return OperationResult.Failure("خطا در تعداد روز های ارسال شده");
        var salarySetting = new SalaryPaymentSetting(request.HolidayWorking, request.UserId,monthlySalary, workingHoursList);
        await _salaryPaymentSettingRepository.CreateAsync(salarySetting);
        await _unitOfWork.SaveChangesAsync();
        return OperationResult.Success();

    }
}


public record CreateSalarySettingsCommand(bool HolidayWorking, long UserId, string? SalaryPerMinute, List<WorkingHoursListDto> WorkingHoursList) : IBaseCommand;


public record WorkingHoursListDto
{
    /// <summary>
    /// ساعت شروع شیفت کاری
    /// </summary>
    public string? StartShiftOne { get; set; }

    /// <summary>
    /// ساعت پایان شیفت کاری
    /// </summary>
    public string? EndShiftOne { get; set; }


    /// <summary>
    /// ساعت شروع شیفت دوم کاری
    /// </summary>
    public string? StartShiftTwo { get; set; }

    /// <summary>
    /// ساعت پایان شیفت دوم کاری
    /// </summary>
    public string? EndShiftTwo { get; set; }

    /// <summary>
    /// مدت استراحت
    /// </summary>
    public string? RestTime { get; set; }


    /// <summary>
    /// آیا مقطع مار اول دارد
    /// </summary>
    public bool HasShiftOne { get; set; }

    /// <summary>
    /// آیا مقطع کار دوم دارد
    /// </summary>
    public bool HasShiftTow { get; set; }

    /// <summary>
    /// آیا ساعت استراحت دارد
    /// </summary>
    public bool HasRestTime { get; set; }


    /// <summary>
    /// عدد روز از ماه
    /// </summary>
    public PersianDayOfWeek PersianDayOfWeek { get;  set; }


    /// <summary>
    /// آیا این روز هفته
    /// فعال است
    /// </summary>
    public bool IsActiveDay { get;  set; }
}