using System;
using System.Windows.Forms;
using SA_LTT.UserInfo;
using SA_LTT_UI.Viewer;
using SA_LTT;

namespace SA_LTT_UI.Screen
{
    public partial class ScreenSetting : UserControl
    {
        MainFrame _mainFrame;

        public ScreenSetting(MainFrame mainFrame)
        {
            InitializeComponent();
            _mainFrame = mainFrame;

            _mainFrame.equipment.userManager.Changed += UserManager_Changed;
            RefreshUserList();
        }

        private void UserManager_Changed()
        {
            RefreshUserList();
        }

        private void RefreshUserList()
        {
            _mainFrame.equipment.userManager.RefreshUsers();

            lv_UserList.Items.Clear();

            int i = 1;
            foreach (User user in _mainFrame.equipment.userManager.GetUserList())
            {
                ListViewItem listViewItem = new ListViewItem($"{i}");
                listViewItem.SubItems.Add(user.Name);
                listViewItem.SubItems.Add(user.Level.ToString());

                lv_UserList.Items.Add(listViewItem);
                i++;
            }
        }

        private void ModifyUser()
        {
            if (lv_UserList.SelectedItems.Count != 0)
            {
                string userName = lv_UserList.SelectedItems[0].SubItems[1].Text;

                User user = _mainFrame.equipment.userManager.GetUser(userName);

                if (user != null)
                {
                    if (user.Level > _mainFrame.equipment.User.Level)
                    {
                        if (_mainFrame.equipment.User.Name != user.Name)
                        {
                            MessageBox.Show("현재 유저의 레벨보다 선택한 유저의 레벨이 높으면 수정할 수 없습니다.");
                            return;
                        }
                    }

                    ModifyUserViewer modifyUserViewer = new ModifyUserViewer(_mainFrame, user);

                    if (modifyUserViewer.ShowDialog() == DialogResult.OK)
                    {
                        _mainFrame.equipment.userManager.SaveOrCreate(modifyUserViewer.user);

                        if (_mainFrame.equipment.User.Name == userName)
                        {
                            EquipmentLogManager.Instance.WriteButtonLog($"ScreenSetting : Modify User {userName}");
                            _mainFrame.equipment.ChangeUser(userName);
                        }
                    }
                }
            }
        }

        private void DeleteUser()
        {
            if (lv_UserList.SelectedItems.Count != 0)
            {
                string userName = lv_UserList.SelectedItems[0].SubItems[1].Text;

                User user = _mainFrame.equipment.userManager.GetUser(userName);

                if (user != null)
                {
                    if (user.Level > _mainFrame.equipment.User.Level)
                    {
                        MessageBox.Show("현재 유저의 레벨보다 선택한 유저의 레벨이 높으면 삭제 할 수 없습니다.");
                        return;
                    }

                    if (userName == "DIT" || userName == "Operator")
                    {
                        MessageBox.Show("DIT, Operaotr 는 삭제할 수 없습니다.");
                        return;
                    }

                    if(user.Equals(_mainFrame.equipment.User))
                    {
                        MessageBox.Show("현재 로그인 되어 있는 계정입니다.");
                        return;
                    }

                    EquipmentLogManager.Instance.WriteButtonLog($"ScreenSetting : Delete User {userName}");
                    _mainFrame.equipment.userManager.Delete(userName);
                }
            }
        }

        private void lb_UserList_Click(object sender, EventArgs e)
        {
            //RefreshUserList();
        }

        private void btn_Create_Click(object sender, EventArgs e)
        {
            CreateUserViewer createUserViewer = new CreateUserViewer(_mainFrame);

            if (createUserViewer.ShowDialog() == DialogResult.OK)
            {
                EquipmentLogManager.Instance.WriteButtonLog($"ScreenSetting : Create User {createUserViewer.user}");
                _mainFrame.equipment.userManager.SaveOrCreate(createUserViewer.user);
            }
        }

        private void btn_Delete_Click(object sender, EventArgs e)
        {
            DeleteUser();
        }

        private void btn_Modify_Click(object sender, EventArgs e)
        {
            ModifyUser();
        }

        private void lv_UserList_DoubleClick(object sender, EventArgs e)
        {
            ModifyUser();
        }
    }
}