using System;
using System.Collections.Generic;
using _0_Framework.Application;
using Company.Domain.TaxLeftWorkItemAgg;
using CompanyManagment.App.Contracts.TaxLeftWorkItem;

namespace CompanyManagment.Application;

public class TaxLeftWorkItemApplication : ITaxLeftWorkItemApplication
{
    private readonly ITaxLeftWorkItemRepository _taxLeftWorkItemRepository;

    public TaxLeftWorkItemApplication(ITaxLeftWorkItemRepository taxLeftWorkItemRepository)
    {
        _taxLeftWorkItemRepository = taxLeftWorkItemRepository;
    }

    public OperationResult Create(CreateTaxLeftWorkItem command)
    {
        var op = new OperationResult();
        var initialDate = new DateTime(2151, 1, 1);
        var startDate = new DateTime();
        var leftDate = new DateTime();
        try
        {
            startDate = command.StartWorkFa.ToGeorgianDateTime();
        }
        catch (Exception e)
        {
            return op.Failed("خطا در ورود تاریخ شروع یکار");
        }
        try
        {
            leftDate = !string.IsNullOrWhiteSpace(command.LeftWorkFa) ? command.LeftWorkFa.ToGeorgianDateTime() : initialDate;
        }
        catch (Exception e)
        {
            return op.Failed("خطا در ورود تاریخ ترک کار");
        }

        if(_taxLeftWorkItemRepository.Exists(l => (l.TaxLeftWorkCategoryId == command.TaxLeftWorkCategoryId) &&
                                               ((l.StartWork <= startDate && l.LeftWork >= startDate) ||
                                                (l.StartWork <= leftDate && l.LeftWork >= leftDate) ||
                                                (l.StartWork >= startDate && l.StartWork <= leftDate) ||
                                                (l.LeftWork >= startDate && l.LeftWork <= leftDate))));
        return op.Failed("خطا در ورود تاریخ");
        var create = new TaxLeftWorkItem(startDate, leftDate, command.TaxLeftWorkCategoryId);
        _taxLeftWorkItemRepository.Create(create);
        _taxLeftWorkItemRepository.SaveChanges();
        return op.Succcedded();
    }

    public OperationResult Edit(EditTaxLeftWorkItem command)
    {
        var op = new OperationResult();
        var initialDate = new DateTime(2151, 1, 1);
        var startDate = new DateTime();
        var leftDate = new DateTime();
        try
        {
            startDate = command.StartWorkFa.ToGeorgianDateTime();
        }
        catch (Exception e)
        {
            return op.Failed("خطا در ورود تاریخ شروع یکار");
        }
        try
        {
            leftDate = !string.IsNullOrWhiteSpace(command.LeftWorkFa) ? command.LeftWorkFa.ToGeorgianDateTime() : initialDate;
        }
        catch (Exception e)
        {
            return op.Failed("خطا در ورود تاریخ ترک کار");
        }

        if(_taxLeftWorkItemRepository.Exists(l => (l.TaxLeftWorkCategoryId == command.TaxLeftWorkCategoryId && l.id != command.Id) && 
                                               ((l.StartWork <= startDate && l.LeftWork >= startDate) ||
                                                (l.StartWork <= leftDate && l.LeftWork >= leftDate) ||
                                                (l.StartWork >= startDate && l.StartWork <= leftDate) ||
                                                (l.LeftWork >= startDate && l.LeftWork <= leftDate))));
        return op.Failed("خطا در ورود تاریخ");
        var editItem = _taxLeftWorkItemRepository.Get(command.Id);
        if (editItem == null)
            return op.Failed("رکورد مورد نظر یافت نشد");
        editItem.Edit(startDate,leftDate);
        _taxLeftWorkItemRepository.SaveChanges();
        return op.Succcedded();
    }

    public EditTaxLeftWorkItem GetDetails(long id)
    {
        return _taxLeftWorkItemRepository.GetDetails(id);
    }

    public List<TaxLeftWorkItemViewModel> Search(TaxLeftWorkItemSerachModel searchModel)
    {
        return _taxLeftWorkItemRepository.Search(searchModel);
    }
}