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 JillsClickCornerStrategy : Strategy
    {
        private string CAPTCHA = "Please select the security code from the dropdown box that matches the one below";

        public override bool CheckLogin(WebBrowserControl browser, PTCSource source)
        {
            //Hello Guest, please login or register.
            return StringUtils.Contains(browser.Html, "Hello Guest");
        }

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

        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("Cash Balance", StringComparison.InvariantCultureIgnoreCase) >= 0)
                {
                    IHTMLElementCollection innerTables = ((IHTMLElementCollection)element.all).tags("table");

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

                        int rowIndex = 0;
                        int columnIndex = 2;

                        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 text = ((IHTMLElement)cell).innerText;

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

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

            throw new Exception();
        }

        public override bool SolveCaptcha(WebBrowserControl browser, PTCSource source)
        {
            //string html = HtmlUtils.GetFrameContent(browser.Document);
            string html = string.Empty;

            FramesCollection frames = browser.Document.frames;
            IHTMLWindow2 timerFrame = null;

            for (int i = 0; i < frames.length; i++)
            {
                object refIndex = i;
                IHTMLWindow2 frame = (IHTMLWindow2)frames.item(ref refIndex);

                try
                {
                    string name = frame.name;
                }
                catch (Exception ex)
                {
                    LogItem item = new LogItem(ex.ToString());
                    item.Save();
                    return false;
                }

                if (frame.name == "timer")
                {
                    timerFrame = frame;

                    if (frame.document != null && frame.document.body != null)
                    {
                        html = frame.document.body.innerHTML;
                    }
                    break;
                }
            }

            if (StringUtils.Contains(html, CAPTCHA))
            {
                //<img src="http://www.jillsclickcorner.com/security/image.php?id=3bd38369dbaf34c64cc752b2207c98f7&cache=1354620829" style="width: 120; height: 40px; border: 0px" target="_blank">

                IHTMLElementCollection elements = HtmlUtils.GetElementCollection(timerFrame.document, "img");

                string imageUrl = string.Empty;
                Bitmap bitmap = null;

                foreach (IHTMLElement element in elements)
                {
                    IHTMLImgElement image = (IHTMLImgElement)element;

                    if (StringUtils.Contains(image.src, "www.jillsclickcorner.com/security/image.php?"))
                    {
                        imageUrl = image.src;
                        bitmap = ImageUtils.GetImage(image);
                        break;
                    }
                }

                string captcha = ImageUtils.ParseStringCaptcha(bitmap);


                StringCaptchaConfirm dialog = new StringCaptchaConfirm()
                {
                    Captcha = captcha,
                    CaptchaImage = bitmap
                };

                int i = 0;

                // <option value="homuon">homuon</option>
                IHTMLElementCollection options = HtmlUtils.GetElementCollection(timerFrame.document, "option");
                foreach (IHTMLElement element in options)
                {
                    dialog.Options[i] = element.innerText;
                    i++;
                }

                bool dialogResult = dialog.ShowDialog().Value;

                if (!dialog.IsMatch)
                {
                    string path = string.Format(@"..\..\Images\Captcha\Strings");
                    bitmap.Save(Path.Combine(path, string.Format("{0}.png", Guid.NewGuid())));
                }

                bitmap.Dispose();

                if (dialogResult == true)
                {
                    // <option value="homuon">homuon</option>
                    foreach (IHTMLElement element in options)
                    {
                        if (element.innerText == dialog.Captcha)
                        {
                            IHTMLOptionElement option = (IHTMLOptionElement)element;
                            option.selected = true;
                            option.form.submit();
                            return true;
                        }
                    }
                }
            }
            else
            {
                return true;
            }

            return false;
        }

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

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

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