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

namespace sharpknife.Commands
{
    public class ClixSenseGridCommand : Command
    {
        //function csmd1(obj) { $(obj).attr('msm', '1') }
        //function csmd2(obj) { $(obj).attr('msc', '1') }

        //function adOpen(obj, s, a, b) {

        //    if ($(obj).attr('msm') != '1' || $(obj).attr('msc') != '1') return false;
        //    if (cltm == 1) { alert('WAIT!!! Don\'t Click the Ads so Fast!'); return false } cltm = 1;
        //    window.setTimeout('cltm=0', 5000); $('#pays' + a).html('Clicked'); $(obj).attr('MVPXJw', '1');
        //    window.open('/en/View_Ads/' + a + '/' + b)
        //}

        //<table cellpadding="0" cellspacing="0" class="ptc_ads" onmousemove="csmd1(this)" onmousedown="csmd2(this)" onclick="adOpen(this,1,463772,'445729')">
        //    <tr>
        //        <td id="title_row">
        //            <div>WordLinx - Upgrade for just $15!</div>
        //            <tr>
        //                <td class="pays" id="pays463772">
        //                    <span style="float: left">Micro Ad</span>
        //                    <span id="time">3 Sec</span>
        //                    <span id="cred">$0.001</span>
        //</table>

        private WebBrowserControl browser;
        private PTCSource source;

        public ClixSenseGridCommand()
        {
        }

        public ClixSenseGridCommand(string name)
        {
            this.Group = "Browser";
            this.Timeout = 45;

            browser = WebBrowserControl.GetWebBrowserControl();

            using (databaseEntities context = new databaseEntities())
            {
                var query = (from s in context.PTCSource where s.Name == name select s);

                source = query.FirstOrDefault<PTCSource>();
            }
        }

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

            browser.LoadCompleted += ParseAdsCommand_LoadCompleted;

            Debug = "Navigate";
            browser.Navigate(source.PTCUrl);
        }

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

            if (StringUtils.Contains(body, "You will not be compensated for clicking on these ads unless you are signed in."))
            {
                browser.Navigate("https://www.clixsense.com/en/Sign_In?r=1");
                return;
            }
            else if (e.Uri.AbsoluteUri == "https://www.clixsense.com/en/Sign_In?r=1")
            {
                IHTMLElementCollection inputFields = HtmlUtils.GetElementCollection(browser.Document, "input");

                foreach (IHTMLInputElement element in inputFields)
                {
                    if (element.name == "username")
                    {
                        element.value = source.Username;
                    }
                    else if (element.name == "password")
                    {
                        element.value = source.Password;
                    }
                    else if (element.type == "submit" && element.value == "Login")
                    {
                        ((IHTMLElement)element).click();
                        return;
                    }
                }

                throw new Exception("Unable to login");
            }
            else if (e.Uri.AbsoluteUri == source.PTCUrl)
            {
                browser.Navigate("http://www.clixsense.com/en/ClixGrid");
                return;
            }
            else if (e.Uri.AbsoluteUri == "http://www.clixsense.com/en/ClixGrid")
            {
                //<td align="right" id="clxs1">4
                //<td align="right" id="clxs2">25

                IHTMLElement left = HtmlUtils.GetElement(browser.Document, "clxs1");
                IHTMLElement total = HtmlUtils.GetElement(browser.Document, "clxs2");

                int counter = int.Parse(left.innerText);

                StatusLog statusLog = StatusLog.Get("extra1");
                if (counter == 0)
                {
                    statusLog.Status = StatusLog.StatusCodes.Complete;
                    Debug = string.Format("Completed ({0}/{1})", left.innerText, total.innerText);
                }
                else
                {
                    statusLog.Status = StatusLog.StatusCodes.InProgress;
                    Debug = string.Format("Executing ({0}/{1})", left.innerText, total.innerText);
                }
                statusLog.Save();

                // (1,1) -> (30,20)
                // TODO: avoid reusing same cells
                Random random = new Random();

                for (int i = 1; i <= counter; i++)
                {
                    int x = random.Next(30) + 1;
                    int y = random.Next(20) + 1;

                    AdCommand command = new AdCommand(string.Format("http://www.clixsense.com/en/ClixGrid/{0}/{1}", x, y), 15, AdCommand.BonusValue.Cents, 0, "ClixSense");
                    command.RequiresCaptcha = false;
                    CommandEngine.GetEngine().Commands.Add(command);
                }

                browser.LoadCompleted -= ParseAdsCommand_LoadCompleted;
                Status = StatusCode.Completed;
                return;
            }

            throw new Exception("Unexpected behavior");
        }
    }
}