using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Navigation;
using sharpknife.Controls;
#if WIN32
using MSHTML;
#else
using mshtml;
#endif
using sharpknife.Utils;
using sharpknife.Engines;

namespace sharpknife.Commands
{
    class MyFreeSharesParseCommand : Command
    {
        private WebBrowserControl browser;
        public PTCSource Source { get; set; }

        public MyFreeSharesParseCommand()
        {
            this.Group = "Browser";
            this.Timeout = 45;

            browser = WebBrowserControl.GetWebBrowserControl();
            Source = PTCSource.GetSource("MyFreeShares");
        }

        public override void Execute()
        {
            base.Execute();

            browser.LoadCompleted += ParseAdsCommand_LoadCompleted;

            Debug = "Navigate";
            browser.Navigate(Source.BaseUrl);
        }

        void ParseAdsCommand_LoadCompleted(object sender, NavigationEventArgs e)
        {
            IHTMLDocument2 dom = browser.Document;
            string body = browser.Html;

            // Login page
            if (e.Uri.AbsoluteUri == Source.LogInUrl &&
                body.IndexOf("Members Area", StringComparison.InvariantCultureIgnoreCase) >= 0)
            {
                IHTMLElementCollection inputFields = HtmlUtils.GetElementCollection(browser.Document, "input");

                foreach (IHTMLInputElement element in inputFields)
                {
                    if (element.name == "user")
                    {
                        element.value = Source.Username;
                    }
                    else if (element.name == "loza")
                    {
                        element.value = Source.Password;
                    }
                    else if (element.name == "Submit2")
                    {
                        element.form.submit();
                        return;
                    }
                }
            }
            // Members area
            else if (e.Uri.AbsoluteUri == "http://www.myfreeshares.com/member.php")
            {
                IHTMLFormElement form = browser.GetForm("member5.php");
                form.submit();
                return;
            }
            else if (e.Uri.AbsoluteUri == "http://www.myfreeshares.com/member5.php")
            {
                IHTMLElementCollection links = HtmlUtils.GetElementCollection(browser.Document, "a");
                foreach (IHTMLAnchorElement link in links)
                {
                    if (link.href.IndexOf("http://www.myfreeshares.com/click.php", StringComparison.InvariantCultureIgnoreCase) >= 0)
                    {
                        CommandEngine.GetEngine().Commands.Add(new AdCommand(link.href, 15, AdCommand.BonusValue.Share, 0.01m, Source.Name));
                    }
                }

                browser.LoadCompleted -= ParseAdsCommand_LoadCompleted;

                //MyFreeSharesParseCommand command = new MyFreeSharesParseCommand()
                //{
                //    NextExecution = DateTime.Now.AddHours(2)
                //};
                //CommandEngine.GetEngine().Commands.Add(command);

                Status = StatusCode.Completed;
            }
        }
    }
}