using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;
// Local namespaces
using uk.eurologic.lib.core;
using uk.eurologic.lib.acme;

public partial class ACME_UploadImg : System.Web.UI.Page
{
	protected CAcmeUser m_User;
	protected const int DEFAULT_IMG_WIDTH = 360;

    protected void Page_Load(object sender, EventArgs e)
    {
		m_User = new CAcmeUser(Request.Cookies);
		//m_ParentTextAreaId = Utils.RQ("txtid", "");
		//m_CurrentFolder = Utils.RQ("folder", "");
		//======================================================
		// DEBUGGING ONLY (Comment out when live and working)
		//--m_User = new CAcmeUser(1); // AJR
		//--m_ParentTextAreaId = "Container$_Control$";
		//======================================================
		if (!IsPostBack)
		{
			hdOpenerTextAreaId.Value = Utils.RQ("txtid", "");
			hdShowThumbnails.Value = Utils.RQ("thumbs", "");
			// Get list of folders
			CUploads uploads = new CUploads("img");
			uploads.popFoldersList(FolderList.Items);
			// Add a <select> option at the top
			FolderList.Items.Insert(0, new ListItem("< Select >", ""));
			// Set the initial folder
			FolderList.SelectedValue = Utils.RQ("folder", "");
			// Set the initial view panel
			MultiView.ActiveViewIndex = 0;
		}
    }

    protected void imgThumbnail_Load(object sender, EventArgs e)
    // Applies the Javascript code into the OnClick handler for each Insert button.
    {
       Image img = (Image)sender;
        img.Attributes.Add("ondblclick", "alert('" + Path.GetFileNameWithoutExtension(img.ImageUrl) + "')");
    }
	protected void FolderList_SelectedIndexChanged(object sender, EventArgs e)
	{
		//int iFolderId = 0; Int32.TryParse(FolderList.SelectedValue, out iFolderId);
		//btnUploadNewImage.Text = "Add to the \"" + FolderList.SelectedItem.Text + "\" folder";
	}

	protected void btnUploadNewImage_Click(object sender, EventArgs e)
	{
		string sTxtId = Request.QueryString["txtid"] != null ? Request.QueryString["txtid"].ToString() : "";
		if (FileUpload1.HasFile)
		{
			// Get a width to reduce to
			int iNewImgWidth = DEFAULT_IMG_WIDTH; Int32.TryParse(edtImgWidth.Text, out iNewImgWidth);
			SaveUploadedImage(FileUpload1.PostedFile, iNewImgWidth);
			MultiView.ActiveViewIndex = 1;
		}
	}

	protected void SaveUploadedImage(HttpPostedFile theFile, int AImageWidth)
	{
		// Get size of uploaded file
		int nFileLen = theFile.ContentLength;
		// Get type (and subtype) of uploaded file
		string sContentType = "", sContentSubType = "";
		if (theFile.ContentType.IndexOf("/") > 0)
		{
			string[] ss = theFile.ContentType.Split('/');
			if (ss.Length > 0) sContentType = ss[0].ToLower();
			if (ss.Length > 1) sContentSubType = ss[1].ToLower();
		}
		else
		{
			sContentType = theFile.ContentType.ToLower();
			sContentSubType = "";
		}
		// Now that we know the size we can move on to retrieving the data.
		// First we need to allocate a byte array to store the data:
		// Allocate a buffer for reading of the file
		byte[] myData = new byte[nFileLen];
		// Next we can read uploaded file in our buffer using an InputStream object:
		// Read uploaded file from the Stream
		theFile.InputStream.Read(myData, 0, nFileLen);
		// upload file and save to database
		if (sContentType == "image")
		{
			// Transfer stream to a bitmap object
			System.Drawing.Bitmap bmpSource = new System.Drawing.Bitmap(theFile.InputStream);
			// Use my CImage object to reduce the size
			// The MakeRedux() function only reduces images - if they are smaller
			// than the requested width, it simply makes a 1 to 1 copy.
			System.Drawing.Bitmap bmpDest = CImage.MakeRedux(bmpSource, AImageWidth);
			// Create a new name for the image
			string sServerName = Utils.CollapseString(Path.GetFileNameWithoutExtension(theFile.FileName))
				+ "_" + CPassword.Generate("A9AA").ToLower() + ".jpg";
			string sServerNameMapped = Server.MapPath(WebConfig.AcmeImageBank + "/" + sServerName.ToLower());
			//bmpDest.Save(sFilePath + "\\thumb." + sFileBare + ".jpg", Imaging.ImageFormat.Jpeg);
			try
			{
				bmpDest.Save(sServerNameMapped, System.Drawing.Imaging.ImageFormat.Jpeg);
				FileInfo f = new FileInfo(sServerNameMapped);
				long nClientFileSize = f.Length;
				int iImageWidth = bmpDest.Width;
				int iImageHeight = bmpDest.Height;
				// Create thumbnail from saved image
				string sThumbNameMapped = Server.MapPath(WebConfig.AcmeImageBank + "/thumb." + sServerName);
				CImage.MakeThumbnail(sServerNameMapped, sThumbNameMapped, 120);
				// Get the selected FolderId
				//--int iFolderId = 0; Int32.TryParse(FolderList.SelectedValue, out iFolderId);
				// Add entry to database
				//--CUploads.DbInsert(
				//--	System.IO.Path.GetFileNameWithoutExtension(sServerName),
				//--	System.IO.Path.GetFileNameWithoutExtension(theFile.FileName),
				//--	iFolderId, nFileLen, sContentType, "img", "jpg",
				//--	iImageWidth, iImageHeight, edtAltText.Text, m_User.Id);
				//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
				// Populate controls
				hdServerName.Value = Path.GetFileNameWithoutExtension(sServerName);
				lblUploadName.Text = Path.GetFileNameWithoutExtension(theFile.FileName);
				lblImgDims.Text = iImageWidth.ToString() + " x " + iImageHeight.ToString();
				imgThumbnail.ImageUrl = WebConfig.AcmeImageBank + "/thumb." + sServerName;
				lblDims.Text = lblImgDims.Text;
				lblFileLen.Text = nClientFileSize.ToString(); // theFile.ContentLength.ToString();
				lblContentType.Text = theFile.ContentType;
				//-- lblDesc.Text = edtAltText.Text;
				//-- lblFolder.Text = FolderList.SelectedItem.Text;
				btnInsertImage.Attributes.Add("onclick", "javascript:opener.insertUpload('" + hdOpenerTextAreaId.Value + "','img','" + System.IO.Path.GetFileNameWithoutExtension(sServerName) + "'); window.close(); return false;");
				btnEditUpload.Attributes.Add("onclick", "javascript:popupWin('editUploadDetails.aspx?id=" + System.IO.Path.GetFileNameWithoutExtension(sServerName) + "&tag=img','_editwin',640,360);");
				//-- lnkAnother.NavigateUrl = "UploadImg.aspx?txtid=" + m_ParentTextAreaId;
				//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
			}
			catch (Exception x)
			{
				Utils.LogError("Attempting to write to " + sServerNameMapped, x);
			}
			// Clear edit controls
			edtAltText.Text = "";
			// Free up memory
			bmpSource.Dispose();
			bmpDest.Dispose();
		}
	}


	// Writes file to current folder
	private void WriteToFile(string AFilePath, ref byte[] ABuffer)
	{
		// Create a file
		FileStream newFile = new FileStream(AFilePath, FileMode.Create);
		// Write data to the file
		newFile.Write(ABuffer, 0, ABuffer.Length);
		// Close file
		newFile.Close();
	}

	protected void btnInsert_Click(object sender, EventArgs e)
	{

	}
	protected void btnUploadAnother_Click(object sender, EventArgs e)
	{
		DbSave();
		MultiView.ActiveViewIndex = 0;
	}
	protected void btnUploadAndEnd_Click(object sender, EventArgs e)
	{
		DbSave();
		Response.Redirect("SelectImg.aspx?"
			+ "txtid=" + hdOpenerTextAreaId.Value
			+ "&folder=" + FolderList.SelectedValue
			+ "&thumbs=" + hdShowThumbnails.Value);
	}

	protected void DbSave()
	{
		// Get the selected FolderId
		int iFolderId = 0; Int32.TryParse(FolderList.SelectedValue, out iFolderId);
		// Get other values out of the labels
		string sClientName = lblUploadName.Text; // extension ?
		string sServerName = hdServerName.Value;
		string[] ssDims = lblImgDims.Text.Split(new char[] { 'x' });
		int iImageWidth = Convert.ToInt32(ssDims[0]);
		int iImageHeight = Convert.ToInt32(ssDims[1]);
		int nFileLen = Convert.ToInt32(lblFileLen.Text);
		string sContentType = lblContentType.Text;
		// Add entry to database
		CUploads.DbInsert(sServerName, sClientName, iFolderId, nFileLen, sContentType,
			"img", "jpg", iImageWidth, iImageHeight, edtAltText.Text, m_User.Id);
	}

	protected void btnSwitchToGallery_Click(object sender, EventArgs e)
	{
		Response.Redirect("SelectImg.aspx?f=" + FolderList.SelectedValue);
	}
}