/*
 * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
 *
 * 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 ElmSharp;
using System.Collections.Generic;

namespace ElmSharp.Test
{
    public class IndexTest2 : TestCaseBase
    {
        Dictionary<IndexItem, int> _indexTable = new Dictionary<IndexItem, int>();

        public override string TestName => "IndexTest2";
        public override string TestDescription => "To test basic operation of Index";
        public override void Run(Window window)
        {
            Conformant conformant = new Conformant(window);
            conformant.Show();
            Box outterBox = new Box(window)
            {
                AlignmentX = -1,
                AlignmentY = -1,
                WeightX = 1,
                WeightY = 1,
                IsHorizontal = false,
            };
            outterBox.Show();
            Scroller scroller = new Scroller(window)
            {
                AlignmentX = -1,
                AlignmentY = -1,
                WeightX = 1,
                WeightY = 1,
                ScrollBlock = ScrollBlock.Vertical,
                HorizontalPageScrollLimit = 1,
            };
            scroller.SetPageSize(1.0, 1.0);
            scroller.Show();

            Box box = new Box(window)
            {
                AlignmentX = -1,
                AlignmentY = -1,
                WeightX = 1,
                WeightY = 1,
                IsHorizontal = true,
            };
            box.Show();
            scroller.SetContent(box);

            Index index = new Index(window)
            {
                IsHorizontal = true,
                Style = "pagecontrol",
                AlignmentX = -1,
                WeightX = 1,
                MinimumHeight = 200,
            };
            index.Show();

            var rnd = new Random();
            for (int i = 0; i < 10; i++)
            {
                int r = rnd.Next(255);
                int g = rnd.Next(255);
                int b = rnd.Next(255);
                Color color = Color.FromRgb(r, g, b);
                Rectangle colorBox = new Rectangle(window)
                {
                    AlignmentX = -1,
                    AlignmentY = -1,
                    WeightX = 1,
                    WeightY = 1,
                    Color = color,
                    MinimumWidth = window.ScreenSize.Width,
                };
                colorBox.Show();
                Console.WriteLine("Height = {0}", colorBox.Geometry.Height);
                box.PackEnd(colorBox);
                var item = index.Append(string.Format("{0}", i));
                item.Selected += (s, e) =>
                {
                    scroller.ScrollTo(_indexTable[(IndexItem)s], 0, true);
                };
                _indexTable[item] = i;
            }

            conformant.SetContent(outterBox);
            outterBox.PackEnd(scroller);

            Button prev = new Button(window)
            {
                AlignmentX = -1,
                WeightX = 1,
                Text = "Prev"
            };
            Button next = new Button(window)
            {
                AlignmentX = -1,
                WeightX = 1,
                Text = "next"
            };
            prev.Clicked += (s, e) =>
            {
                scroller.ScrollTo(scroller.HorizontalPageIndex > 0 ? scroller.HorizontalPageIndex - 1 : 0, scroller.VerticalPageIndex, true);
            };
            next.Clicked += (s, e) =>
            {
                scroller.ScrollTo(scroller.HorizontalPageIndex + 1, scroller.VerticalPageIndex, true);
            };
            prev.Show();
            next.Show();
            outterBox.PackEnd(prev);
            outterBox.PackEnd(next);
            outterBox.PackEnd(index);

            scroller.DragStart += Scroller_DragStart;
            scroller.DragStop += Scroller_DragStop;
        }

        private void Scroller_DragStop(object sender, EventArgs e)
        {
            Console.WriteLine("Drag stop");
        }

        private void Scroller_DragStart(object sender, EventArgs e)
        {
            Console.WriteLine("Drag start");
        }
    }
}