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.Xml;
using XmlHelpers;

public partial class goalsheet_goalsheetExplorer : System.Web.UI.Page
{
    private void populateXmlForm(int numberOfExtraFields)
    {
        XmlDocument doc = new XmlDocument();
        string loadXmlDirectory = Server.MapPath("xmlGoalsheets/83_1.xml");
        
        try
        {
            doc.Load(loadXmlDirectory);
        }

        catch (Exception ex)
        {
          throw ex;
        }
       
        // init nodelists for iterations
        doc.Load(loadXmlDirectory);
        XmlNodeList nodeListHeader = doc.SelectNodes("goalsheet/header");
        XmlNodeList nodeListGoalInfo = doc.SelectNodes("goalsheet/goals/goal");
        XmlNodeList nodeListGoalCount = doc.SelectNodes("goalsheet/goals");
         
        //counters used in iterations
        int TitlesCounter = 0; //label index for new goalsheets
        int goalTitleIndex = -1;
        int GoalDescriptionCounter = 0; //counter to name goaldescription textboxes

        //array used to store goal titles
        string[] goalTitles;
        goalTitles = new string[nodeListGoalInfo.Count];

        //string used to store the current goal title so it only displays once
        string currentGoalTitle;

        
        //initial setup of header node (no loops -easy)
        foreach (XmlNode node in nodeListHeader)
        {
            
            txtCourseTitle.Text += node.SelectSingleNode("title").InnerText;
            txtDescription.Text += node.SelectSingleNode("description").InnerText;
            txtPrerequisites.Text += node.SelectSingleNode("prerequisites").InnerText;
            txtLevelId.Text += node.SelectSingleNode("levelid").InnerText;
        }

    
     //add the blank textboxe for new goal input
     //I left this programmatic in case multiple boxes ever need to be added.
            TextBox txtTitleNew = new TextBox();

            PlaceHolderAddNewGoal.Controls.Add(new LiteralControl("<div class='goalExplorerNewGoalDiv'>"));
            PlaceHolderAddNewGoal.Controls.Add(new LiteralControl("TITLE:<br />"));

            txtTitleNew.ID = "txtTitleNew";
            txtTitleNew.Width = 400;
            PlaceHolderAddNewGoal.Controls.Add(txtTitleNew);
            PlaceHolderAddNewGoal.Controls.Add(new LiteralControl("<br />"));
             
            //TitlesCounter++;
            PlaceHolderAddNewGoal.Controls.Add(new LiteralControl("GOAL DESCRIPTION:<br />"));
            
            TextBox txtGoalDescriptionNew = new TextBox();
            txtGoalDescriptionNew.ID = "txtGoalDescriptionNew";
            txtGoalDescriptionNew.Height = 50;
            txtGoalDescriptionNew.Width = 400;

            PlaceHolderAddNewGoal.Controls.Add(txtGoalDescriptionNew);
            PlaceHolderAddNewGoal.Controls.Add(new LiteralControl("<br />"));
            //GoalDescriptionCounter++;
            PlaceHolderAddNewGoal.Controls.Add(new LiteralControl("</div>"));
        
        
        //populate array of goaltitles
        for (int i = 0; i < nodeListGoalInfo.Count; i++)
        {
            goalTitles[i] = nodeListGoalInfo[i].SelectSingleNode("goaltitle").InnerText;
            
        }

        
        foreach (XmlNode node2 in nodeListGoalInfo)
        {
          
            //increment the title counter
            goalTitleIndex++;
            string boxText = "";   
            
            TextBox txtTitles = new TextBox();
            TitlesCounter++;
            txtTitles.Text = goalTitles[goalTitleIndex]; //use the goaltitle array to display the goal title
            txtTitles.ID = "txtTitles" + Convert.ToString(TitlesCounter);
            txtTitles.CssClass = "goalsheetEditTitle";
            txtTitles.Width = 400;

            PlaceHolderListGoals.Controls.Add(new LiteralControl("TITLE:<br />"));
            PlaceHolderListGoals.Controls.Add(txtTitles);
            PlaceHolderListGoals.Controls.Add(new LiteralControl("<br />"));
            PlaceHolderListGoals.Controls.Add(new LiteralControl("GOAL DESCRIPTION:<br />"));

            //iterate through all the nodes using the length of the unique amount of goal titles in the goalTitle array
            //starts at "1" to skip the title (which is "0")
            for (int x = 1; x < nodeListGoalInfo[goalTitleIndex].ChildNodes.Count; x++)
            {
                currentGoalTitle = nodeListGoalInfo[goalTitleIndex].SelectSingleNode("goaltitle").InnerText;
                
                //comparison to make sure only one goal is displayed
                if (currentGoalTitle == goalTitles[goalTitleIndex])
                {

                   
                   
                    //returns the child of "/goal" using index "x"
                    boxText = boxText + "\n" + node2.ChildNodes[x].InnerText;
                }      
            
        }

            //ALLAIN:
        GoalDescriptionCounter++;
        TextBox txtGoalDescription = new TextBox();
        txtGoalDescription.Text = boxText;
        txtGoalDescription.ID = "txtGoalDescription" + Convert.ToString(GoalDescriptionCounter);
        txtGoalDescription.CssClass = "goalsheetEditDescription";
        txtGoalDescription.TextMode = TextBoxMode.MultiLine;
        txtGoalDescription.AutoPostBack = false;
        txtGoalDescription.Height = 150;
        txtGoalDescription.Width = 600;
        PlaceHolderListGoals.Controls.Add(txtGoalDescription);
        PlaceHolderListGoals.Controls.Add(new LiteralControl("<br />"));

        }



       
    }

    private void saveXmlForm()
    {
        xmlHelper xmlHelper = new xmlHelper();
        ContentPlaceHolder C = (ContentPlaceHolder)this.Page.Master.FindControl("ContentPlaceHolder1");
        ContentPlaceHolder c = (ContentPlaceHolder)C;
        PlaceHolder PlaceHolderAddNewGoal = (PlaceHolder)C.FindControl("PlaceHolderAddNewGoal");
        // Control txtTitlesFound = c.FindControl("txtTitles" + Convert.ToString(i));

        XmlDocument doc = new XmlDocument();
        string loadXmlDirectory = Server.MapPath("xmlGoalsheets/83_1.xml");

        try
        {
            doc.Load(loadXmlDirectory);
        }

        catch (Exception ex)
        {
            throw ex;
        }

        XmlNodeList nodeListGoalInfo = doc.SelectNodes("goalsheet/goals/goal");
        string[] goalTitlesAndDescription;

        //"+2" to make room for the extra add goal fields and the unused "0" array element
        goalTitlesAndDescription = new string[nodeListGoalInfo.Count+2];
        int goalCounter =0;

        for (int i = 1; i <= nodeListGoalInfo.Count; i++)
        {
            TextBox txtTitleFound = (TextBox)c.FindControl("txtTitles" + Convert.ToString(i));
            TextBox txtDescriptionFound = (TextBox)c.FindControl("txtGoalDescription" + Convert.ToString(i));
            string fixedDescription = txtDescriptionFound.Text.Replace("\n", ",");
            goalTitlesAndDescription[i] = txtTitleFound.Text + "=>" + fixedDescription;
            goalCounter++;
            Response.Write(goalTitlesAndDescription[i] + "<br /><br />");

            //txtTitlesFound = c.FindControl("txtTitles" + Convert.ToString(i));
        }
        goalCounter++;
        TextBox txtTitleNewFound = (TextBox)c.FindControl("txtTitleNew");
        TextBox txtGoalDescriptionNewFound = (TextBox)c.FindControl("txtGoalDescriptionNew");
        string fixedNewDescription = txtGoalDescriptionNewFound.Text.Replace("\n", ",");
        goalTitlesAndDescription[goalCounter] = txtTitleNewFound.Text + "=>" + fixedNewDescription;
        Response.Write(goalTitlesAndDescription[goalCounter]);

        for (int i = 0; i < nodeListGoalInfo.Count + 1; i++)
        {
            //Response.Write(goalTitles[i]);

        }

    }




    protected void Page_Load(object sender, EventArgs e)
    {
        populateXmlForm(0);
       
    }

    protected void cmdAddGoal_Click(object sender, EventArgs e)
    {
       
    }


    protected void cmdEditGoalsheetSave_Click(object sender, EventArgs e)
    {
        saveXmlForm();
       
    }



    
}