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;

namespace sharpknife.Strategies
{
    class YouRoMailStrategy : Strategy
    {
        public override bool CheckLogin(WebBrowserControl browser, PTCSource source)
        {
            string body = browser.Html;

            if (StringUtils.Contains(body, "Log In"))
            {
                return true;
            }
            return false;
        }

        public override void Login(WebBrowserControl browser, PTCSource source)
        {
            //<input type="text" name="username">
            //<input type="password" name="password">
            //<input type="submit" value="Login" name="submit">

            IHTMLInputElement username = HtmlUtils.GetInputByName(browser.Document, "username");
            IHTMLInputElement password = HtmlUtils.GetInputByName(browser.Document, "password");

            username.value = source.Username;
            password.value = source.Password;
            password.form.submit();
        }

        public override decimal GetBalance(WebBrowserControl browser, PTCSource source)
        {
            //<td align=right><font size="2"><b><font color="ffffff">Your account balance after all transactions:</font></b> </font>
            IHTMLElementCollection elements = HtmlUtils.GetElementCollection(browser.Document, "td");

            int count = elements.length;

            foreach (IHTMLElement element in elements)
            {
                if (!string.IsNullOrEmpty(element.innerText) &&
                    element.innerText.IndexOf("Your account balance after all transactions", StringComparison.InvariantCultureIgnoreCase) >= 0)
                {
                    IHTMLElementCollection innerTables = ((IHTMLElementCollection)element.all).tags("table");

                    if (innerTables.length == 0)
                    {
                        IHTMLTable table = (IHTMLTable)element.parentElement.parentElement.parentElement;

                        int rowIndex = 2;
                        int columnIndex = 1;

                        if (((IHTMLElement)table).innerHTML.IndexOf("Current Earnings", StringComparison.InvariantCultureIgnoreCase) >= 0)
                        {
                            rowIndex++;
                        }

                        IHTMLTableRow row = (IHTMLTableRow)browser.GetElementAt(table.rows, rowIndex);
                        IHTMLTableCell cell = (IHTMLTableCell)browser.GetElementAt(row.cells, columnIndex);

                        string value = ((IHTMLElement)cell).innerText.Substring(2).Trim();

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

            throw new Exception();
        }

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

        public override Ad ParseMail(Mail mail)
        {
            if (StringUtils.Contains(mail.Body, "<br />"))
            {
                mail.Body = mail.Body.Replace("<br />", "<br>");
            }

            string paidAd = StringUtils.GetTokens(mail.Body,
                    "{}\r\nPAID AD<br>\r\n--------------------------------------------------<br>{}")[1];

            paidAd = paidAd.Replace("=\r\n", string.Empty);
            paidAd = paidAd.Replace("3D\"", "\"");
            paidAd = paidAd.Replace("=3D", "=");

            //string[] links = StringUtils.GetTokens(paidAd, "<br>{}<br><a href=\"{}\" target=\"_blank\">{}</a><br><br><br>");
            string[] links = StringUtils.GetTokens(paidAd, "<br>{}<br><a href=\"{}\"{}>{}</a><br><br><br>");

            if (links[1] == links[3])
            {
                Ad ad = new Ad()
                {
                    Link = links[1]
                };
                return ad;
            }

            return null;
        }

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

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