using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
#if WIN32 
using MSHTML;
#else
using mshtml;
#endif
using sharpknife.Utils;
using System.Globalization;
using sharpknife.Controls;
using System.Drawing;
using System.IO;
using sharpknife.Data;
using sharpknife.Commands;
using sharpknife.Engines;

namespace sharpknife.Strategies
{
    class MyFreeSharesStrategy : Strategy
    {
        public override bool CheckLogin(WebBrowserControl browser, PTCSource source)
        {
            //WELCOME TO
            //MyFreeShares MEMBERS AREA !

            string html = browser.Html;

            if (StringUtils.Contains(html, "Cannot modify header information"))
            {
                return true;
            }

            //<INPUT value="Sign up" type=submit name=Submit>
            IHTMLElementCollection elements = HtmlUtils.GetElementCollection(browser.Document, "input");
            foreach (IHTMLElement element in elements)
            {
                IHTMLInputElement input = (IHTMLInputElement)element;

                if (input.value == "Sign up")
                {
                    return true;
                }
            }

            return false;
        }

        public override void Login(WebBrowserControl browser, PTCSource source)
        {
            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;
                }
            }
        }

        public override decimal GetBalance(WebBrowserControl browser, PTCSource source)
        {
            string html = browser.Html;
            html = StringUtils.RemoveNewLines(html);
            html = StringUtils.RemoveQuotes(html);

            string value = StringUtils.GetTokens(html,
                "CURRENT {}BALANCE : </strong></font></div></td>{}<td><div align=center><font size=2 face=Arial, Helvetica, sans-serif><strong>${}</strong>")[2];

            value = value.Trim();

            return decimal.Parse(value, CultureInfo.InvariantCulture.NumberFormat);
        }

        public override bool SolveCaptcha(WebBrowserControl browser, PTCSource source)
        {
            throw new NotImplementedException();
        }

        public override Ad ParseMail(Mail mail)
        {
            throw new NotImplementedException();
        }

        public override bool ParseAds(WebBrowserControl browser, PTCSource source)
        {
            IHTMLElementCollection links = HtmlUtils.GetElementCollection(browser.Document, "a");

            if (links.length == 0)
            {
                browser.Navigate(source.LogInUrl);
                return false;
            }

            foreach (IHTMLAnchorElement link in links)
            {
                if (StringUtils.Contains(link.href, "http://www.myfreeshares.com/click.php"))
                {
                    AdCommand command = new AdCommand(link.href, 15, AdCommand.BonusValue.Share, 0.01m, source.Name);
                    CommandEngine.GetEngine().Commands.Add(command);
                }
            }

            return false;
        }

        public override decimal GetReferrals(WebBrowserControl browser, PTCSource source)
        {
            throw new NotImplementedException();
        }
    }
}