// Copyright (C) 2020 Kazuhiro Fujieda <fujieda@users.osdn.me>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Windows.Forms;

namespace KancolleSniffer.Forms
{
    public class ListFormGroup
    {
        private readonly MainWindow _mainWindow;
        private readonly List<ListForm> _listForms = new List<ListForm>();

        public ListForm Main => _listForms[0];

        public ListFormGroup(MainWindow main)
        {
            _mainWindow = main;
            _listForms.Add(new ListForm(main, true));
            while (main.Config.ListFormGroup.Count > 0)
                _listForms.Add(new ListForm(main) {Owner = Main});
        }

        public void ShowOrCreate()
        {
            var listForm = _listForms.FirstOrDefault(f => f.WindowState == FormWindowState.Minimized || !f.Visible);
            if (listForm == null)
            {
                listForm = new ListForm(_mainWindow) { Owner = Main, TopMost = Main.TopMost, Font = Main.Font };
                _listForms.Add(listForm);
            }
            listForm.Show();
            if (listForm.WindowState == FormWindowState.Minimized)
                listForm.WindowState = FormWindowState.Normal;
        }

        public void UpdateList()
        {
            InvokeAll(listForm => listForm.UpdateList());
        }

        public void UpdateAirBattleResult()
        {
            InvokeAll(listForm => listForm.UpdateAirBattleResult());
        }

        public void UpdateBattleResult()
        {
            InvokeAll(listForm => listForm.UpdateBattleResult());
        }

        public void UpdateCellInfo()
        {
            InvokeAll(listForm => listForm.UpdateCellInfo());
        }

        public bool TopMost
        {
            set { InvokeAll(listFrom => { listFrom.TopMost = value; }); }
        }

        public Font Font
        {
            get => _listForms[0].Font;
            set { InvokeAll(listForm => { listForm.Font = value; }); }
        }

        public void ShowShip(int id)
        {
            InvokeAll(listForm => listForm.ShowShip(id));
        }

        public void Show()
        {
            InvokeAll(listForm => listForm.Show());
        }

        public void Close()
        {
            InvokeAll(listForm => listForm.SaveConfig());
            InvokeAll(listForm => listForm.Close());
        }

        private void InvokeAll(Action<ListForm> action)
        {
            foreach (var listForm in _listForms)
                action(listForm);
        }

        public void WaitForCloseAll()
        {
            var start = DateTime.Now;
            do
            {
                Application.DoEvents();
                if (_listForms.All(listFrom => !listFrom.Visible))
                    return;
            } while ((DateTime.Now - start).TotalSeconds < 5);
        }
    }
}