// OpenTween - Client of Twitter
// Copyright (c) 2012      kim_upsilon (@kim_upsilon) <https://upsilo.net/~upsilon/>
// All rights reserved.
//
// This file is part of OpenTween.
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 3 of the License, or (at your option)
// any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program. If not, see <http://www.gnu.org/licenses/>, or write to
// the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
// Boston, MA 02110-1301, USA.

#nullable enable

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using OpenTween.Models;

namespace OpenTween
{
    public partial class TabsDialog : OTBaseForm
    {
        private readonly TabInformations tabInfo;

        private bool multiSelect = false;

        public bool MultiSelect
        {
            get => this.multiSelect;
            set
            {
                this.multiSelect = value;
                this.UpdateTabList();
            }
        }

        protected internal record TabListItem(
            string Label,
            FilterTabModel? Tab
        )
        {
            public override string ToString()
                => this.Label;
        }

        public TabsDialog(TabInformations tabinformation)
        {
            this.InitializeComponent();

            this.tabInfo = tabinformation;
            this.UpdateTabList();
        }

        protected void UpdateTabList()
        {
            this.TabList.Items.Clear();

            if (this.MultiSelect)
            {
                this.TabList.SelectionMode = SelectionMode.MultiExtended;
            }
            else
            {
                this.TabList.SelectionMode = SelectionMode.One;

                this.TabList.Items.Add(new TabListItem(
                    Label: Properties.Resources.AddNewTabText1,
                    Tab: null
                ));
            }

            var tabs = this.tabInfo.Tabs.Append(this.tabInfo.MuteTab);

            foreach (var tab in tabs.OfType<FilterTabModel>())
            {
                this.TabList.Items.Add(new TabListItem(
                    Label: tab.TabName,
                    Tab: tab
                ));
            }
        }

        private void TabList_DoubleClick(object sender, EventArgs e)
        {
            if (this.TabList.SelectedIndex == -1) return;

            this.DialogResult = DialogResult.OK;
            this.Close();
        }

        private void TabList_SelectedValueChanged(object sender, EventArgs e)
        {
            if (this.TabList.SelectedIndex == -1)
                this.OK_Button.Enabled = false;
            else
                this.OK_Button.Enabled = true;
        }

        public FilterTabModel? SelectedTab
            => this.TabList.SelectedItem is TabListItem item ? item.Tab : null;

        public FilterTabModel[] SelectedTabs
            => this.TabList.SelectedItems
                    .Cast<TabListItem>()
                    .Select(x => x.Tab)
                    .OfType<FilterTabModel>()
                    .ToArray();
    }
}