using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;

namespace eCompanies
{
    /// <summary>
    /// Логика взаимодействия для UsersWindow.xaml
    /// </summary>
    public partial class UsersWindow : Window
    {
        Company currentCompany;
        UpdateCompanyGridDelegate updateCompanyItem;

        public UsersWindow(Company c, UpdateCompanyGridDelegate d)
        {
            InitializeComponent();
            currentCompany = c;
            if (currentCompany.dataGridRowStatus == DataGridRowStatus.DEFAULT)
                currentCompany.Users = App.getUsers(c.CompanyId);
            updateCompanyItem = d;
            updateUsersGrid(c);
        }

        private void updateUsersGrid(Company c)
        {
            companyNameBox.Text = c.Name;
            contractStatusComboBox.SelectedIndex = c.ContractStatus;
            usersGrid.DataContext = new ObservableCollection<Users>(c.Users.AsEnumerable());
        }

        private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
        {
            switch (App.saveResultsMsgBox())
            {
                case MessageBoxResult.No: return;
                case MessageBoxResult.Cancel: e.Cancel = true; return;
            }
            currentCompany.Users.Clear();
            foreach (Users u in (ObservableCollection<Users>)usersGrid.DataContext)
            {
                if (u.dataGridRowStatus != DataGridRowStatus.REMOVED)
                    if (u.Login == null || u.Password == null || u.Name == null)
                        switch (App.fieldHasNotFilled())
                        {
                            case MessageBoxResult.No: return;
                            case MessageBoxResult.Yes: e.Cancel = true; return;
                        }
                u.CompanyId = currentCompany.CompanyId;
                u.Company = currentCompany;
                currentCompany.Users.Add(u);
            }
            currentCompany.ContractStatus = contractStatusComboBox.SelectedIndex;
            currentCompany.Name = companyNameBox.Text;
            if (currentCompany.dataGridRowStatus != DataGridRowStatus.NEW)
                currentCompany.dataGridRowStatus = DataGridRowStatus.UPDATED;
            updateCompanyItem(currentCompany);
        }

        private void RowDelete_Click(object sender, RoutedEventArgs e)
        {
            ((Users)usersGrid.SelectedItem).dataGridRowStatus = DataGridRowStatus.REMOVED;
            MainWindow.refreshDataGrid(usersGrid);
        }

        private void usersGrid_CellEditEnding(object sender, System.Windows.Controls.DataGridCellEditEndingEventArgs e)
        {
            var context = e.Row.DataContext as Users;
            if (context.dataGridRowStatus != DataGridRowStatus.NEW)
                context.dataGridRowStatus = DataGridRowStatus.UPDATED;
        }

        private void usersGrid_AddingNewItem(object sender, System.Windows.Controls.AddingNewItemEventArgs e)
        {
            e.NewItem = new Users();
            var newItem = e.NewItem as Users;
            newItem.dataGridRowStatus = DataGridRowStatus.NEW;
        }
    }
}