using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using Client.Scraper;
using ComponentFactory.Krypton.Toolkit;
using System.Linq;

namespace BlueTube.Viewer.Controls
{
    public partial class BrowseGalleryWidget : GalleryWidgetBase
    {
        
        public BrowseGalleryWidget()
        {
            InitializeComponent();
        }

        #region Methods

        protected override void OnAddItems(ScrapedPage page)
        {

            this.flowLayoutPanel.SuspendLayout();
            

            for (var i = 0; i < Constants.GetMaxDisplayCount(page.Videos.Count); i++)
            {
                var video = page.Videos[i];
                var widget = new WebViewWidget(video,
                    Properties.Resources.TestHtml.Replace("{0}", video.Url).Replace("{1}", video.ImageUrl).
                       Replace("{2}", video.Title).Replace("{3}", video.Duration.ToString()));
                this.flowLayoutPanel.Controls.Add(widget);
                widget.ViewSelected += delegate(object sender, GalleryItemSelectedEventArgs e)
                {
                    OnItemSelected(sender, e);
                };
            }
            this.flowLayoutPanel.ResumeLayout();
            flowLayoutPanel_Resize(this, null);
            AddLinks();
            
            base.OnAddItems(page);
        }

        protected override Control WidgetContainer
        {
            get
            {
                return this.flowLayoutPanel;   
            }
        }
       

        #endregion

        private void flowLayoutPanel_Resize(object sender, EventArgs e)
        {
            this.flowLayoutPanel.SuspendLayout();
            if (this.flowLayoutPanel.Controls.Count > 0)
            {
                var width = this.flowLayoutPanel.Controls[0].Width;
                this.flowLayoutPanel.ColumnCount = this.flowLayoutPanel.ClientRectangle.Width / this.flowLayoutPanel.Controls[0].Width;
                if (this.flowLayoutPanel.ColumnCount > 0)
                {
                    var freeWidth = (this.flowLayoutPanel.ClientRectangle.Width -
                        (this.flowLayoutPanel.Controls[0].Width * this.flowLayoutPanel.ColumnCount)) /
                        this.flowLayoutPanel.ColumnCount;
                    if (freeWidth > 0)
                    {
                        foreach (Control c in this.flowLayoutPanel.Controls)
                            c.Margin = new Padding(freeWidth / 2, 10, freeWidth / 2, 0);

                    }
                }
            }

            ResizePageLinks();
            this.flowLayoutPanel.ResumeLayout();
        }

        private void AddLinks()
        {
            this.flowLayoutPanelPaging.Controls.Clear();
            if (base.currentPage == null || base.currentPage.Links.Count == 0)
                return;

            this.flowLayoutPanelPaging.Padding = new Padding(0);
            
            var totalWidth = 0;
            foreach (var p in base.currentPage.Links)
            {
                if (totalWidth >= this.flowLayoutPanelPaging.ClientSize.Width)
                    break;
                var b = CreatePageLink(p);
                totalWidth += b.Width;
                this.flowLayoutPanelPaging.Controls.Add(b);
            }
            ResizePageLinks();
        }

        private void ResizePageLinks()
        {
            var totalWidth = 0;
            foreach (Control b in this.flowLayoutPanelPaging.Controls)
                totalWidth += b.Width;
            if (totalWidth < this.flowLayoutPanelPaging.ClientSize.Width)
            {
                var freeWidth = this.flowLayoutPanelPaging.ClientSize.Width - totalWidth;
                this.flowLayoutPanelPaging.Padding = new Padding(freeWidth / 2, 0, freeWidth / 2, 0);
            }
            else
                this.flowLayoutPanelPaging.Padding = new Padding(0);
        }

        private void UpdatePagingButtons(KryptonCheckButton button)
        {
            foreach (KryptonCheckButton b in this.flowLayoutPanelPaging.Controls)
                b.Checked = b == button ? true : false;
        }

        private KryptonCheckButton CreatePageLink( PagingLink link)
        {
            var button = new KryptonCheckButton();
            button.ButtonStyle = ComponentFactory.Krypton.Toolkit.ButtonStyle.LowProfile;
            button.Cursor = System.Windows.Forms.Cursors.Hand;
            button.Location = new System.Drawing.Point(0, 0);
            button.Margin = new System.Windows.Forms.Padding(0);
            button.Size = link.Text.Length == 1 ? new System.Drawing.Size(29, 25) : new System.Drawing.Size(10 + ( link.Text.Length * 10), 25);
            button.StateCommon.Border.DrawBorders = ((ComponentFactory.Krypton.Toolkit.PaletteDrawBorders)((((ComponentFactory.Krypton.Toolkit.PaletteDrawBorders.Top | ComponentFactory.Krypton.Toolkit.PaletteDrawBorders.Bottom)
            | ComponentFactory.Krypton.Toolkit.PaletteDrawBorders.Left)
            | ComponentFactory.Krypton.Toolkit.PaletteDrawBorders.Right)));
            button.StateCommon.Border.Width = 1;
            button.StateCommon.Content.ShortText.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Underline, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            button.Values.Text = link.Text;
            button.Tag = link;
            button.Checked = link.IsSelected;
            button.CheckedChanged += delegate(object sender, EventArgs e)
            {
                var b = (KryptonCheckButton)sender;
                if (b.Checked)
                {
                    OnPageSelected(this, new GalleryPageSelectedEventArgs(link));
                    UpdatePagingButtons(b);
                }
            };
            return button;
        }
    }
}