using System;
using System.Collections.Generic;
using Fiddler;
using EmoneyInteceptor.Fiddler.Interfaces;

namespace EmoneyInteceptor.Fiddler.Models
{
    internal class PluginViewController
    {
        private static readonly IList<IFiddlerLayout> FiddlerLayoutViews = new List<IFiddlerLayout>();

        public static void InsertFiddlerTabPage(IFiddlerViewProvider fiddlerViewProvider)
        {
            // 提供 fiddler 窗口变化的支持
            FiddlerApplication.UI.tabsViews.SizeChanged += TabsViewsOnSizeChanged;
            foreach (FiddlerTabPage fiddlerTabPage in fiddlerViewProvider.BuildFiddlerTabPages())
            {
                InsertFiddlerTabPage(fiddlerTabPage);
            }
        }

        private static void InsertFiddlerTabPage(FiddlerTabPage fiddlerTabPage)
        {
            // new tab
            System.Windows.Forms.TabPage tabPage = new System.Windows.Forms.TabPage(fiddlerTabPage.TabTitle) { ImageIndex = (int)fiddlerTabPage.TabIcon };

            if (fiddlerTabPage.WinFormUserControl != null)
            {
                InsertWinFormTabPage(tabPage, fiddlerTabPage.WinFormUserControl);
            }

            UpdateViewSize();
        }

        private static void InsertWinFormTabPage(System.Windows.Forms.TabPage tabPage, System.Windows.Forms.UserControl userControl)
        {
            // add view to tab 
            tabPage.Controls.Add(userControl);
            // add tab to fiddler 
            FiddlerApplication.UI.tabsViews.TabPages.Add(tabPage);

            if (userControl is IFiddlerLayout layout)
            {
                FiddlerLayoutViews.Add(layout);
            }
        }

        private static void TabsViewsOnSizeChanged(object sender, EventArgs e)
        {
            UpdateViewSize();
        }

        private static void UpdateViewSize()
        {
            System.Drawing.Size size = FiddlerApplication.UI.tabsViews.Size;
            foreach (IFiddlerLayout view in FiddlerLayoutViews)
            {
                view.OnTabViewSizeChanged(size);
            }
        }
    }
}