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;


public partial class Admin_Controls_Customizations : WebBlockUserControl
{
    public int SelectorID
    {
        get { return (ViewState["SelectorID"] == null ? 0 : (int)ViewState["SelectorID"]); }
        set { ViewState["SelectorID"] = value; }
    }

    public int CustomizationID
    {
        get { return (ViewState["CustomizationID"] == null ? 0 : (int)ViewState["CustomizationID"]); }
        set { ViewState["CustomizationID"] = value; }
    }

    public int CurrentEmptyRows
    {
        get { return (ViewState["CurrentEmptyRows"] == null ? 1 : (int)ViewState["CurrentEmptyRows"]); }
        set { ViewState["CurrentEmptyRows"] = value; }
    }

    public void BindData()
    {
        if (!Page.IsPostBack)
        {
            BindPageOne();
        }

        BindOptions(false);
    }

    private void BindPageOne()
    {
        DataTable dt = Database.Customizations_GetBySelectorID(SelectorID);
        gvCustomizations.DataSource = dt;
        gvCustomizations.DataBind();
    }

    protected void Menu1_MenuItemClick(object sender, MenuEventArgs e)
    {
        mvContent.ActiveViewIndex = Int32.Parse(e.Item.Value);

        if (mvContent.ActiveViewIndex == 0)
            BindPageOne();
        else if (mvContent.ActiveViewIndex == 1)
        {
            CustomizationID = 0;
            BindAddCustomization();
        }
        else if (mvContent.ActiveViewIndex == 2)
            BindPageThree();
    }

    #region Add/Edit Customization Tab

    protected void custOptions_ServerValidate(object source, ServerValidateEventArgs args)
    {
        if (ddlControlType.SelectedValue == "1" || ddlControlType.SelectedValue == "2")
        {
            foreach (GridViewRow gvr in gvOptions.Rows)
            {
                string OptionName = ((TextBox)gvr.Cells[0].Controls[0]).Text;
                string Price = ((TextBox)gvr.Cells[1].Controls[0]).Text;

                if (OptionName.Length > 0 && Price.Length == 0)
                {
                    args.IsValid = false;
                    return;
                }
                else if (Price.Length > 0)
                {
                    decimal nullOut;
                    if (!Decimal.TryParse(Price, out nullOut))
                    {
                        args.IsValid = false;
                        return;
                    }
                }
            }
        }
        args.IsValid = true;
        return;
    }

    protected void btnSubmit_Click(object sender, EventArgs e)
    {
        reqName.Visible = reqName.Enabled = true;
        reqPrompt.Visible = reqPrompt.Enabled = true;

        Page.Validate();
        if (Page.IsValid)
        {
            if (CustomizationID == 0)
                CustomizationID = Database.Customizations_Add(SelectorID, txtName.Text, txtPrompt.Text, Int32.Parse(ddlControlType.SelectedValue));
            else
                Database.Customizations_Update(CustomizationID, SelectorID, txtName.Text, txtPrompt.Text, Int32.Parse(ddlControlType.SelectedValue));

            foreach (GridViewRow gvr in gvOptions.Rows)
            {
                int CustomizationOptionID = (int)gvOptions.DataKeys[gvr.RowIndex].Value;

                TextBox txtOptionName = (TextBox)gvr.Cells[0].Controls[0];
                TextBox txtPrice = (TextBox)gvr.Cells[1].Controls[0];

                if (txtOptionName.Text.Length == 0)
                    Database.CustomizationOptions_Delete(CustomizationOptionID);
                else
                {
                    string OptionName = txtOptionName.Text;
                    decimal Price = Decimal.Parse(txtPrice.Text);

                    if (CustomizationOptionID > 0)
                        Database.CustomizationOptions_Update(CustomizationOptionID, CustomizationID, OptionName, Price);
                    else
                        Database.CustomizationOptions_Add(CustomizationID, OptionName, Price);
                }
            }

            CustomizationID = 0;

            BindPageOne();
            Menu1.Items[0].Selected = true;
            mvContent.ActiveViewIndex = 0;
        }
    }
    #endregion

    protected void btnRemoveSelected_Click(object sender, EventArgs e)
    {
        foreach (GridViewRow gvr in gvCustomizations.Rows)
        {
            if (gvr.RowType == DataControlRowType.DataRow)
            {
                CheckBox cb = (CheckBox)gvr.Cells[0].Controls[0];
                if (cb.Checked)
                {
                    int TempCustomizationID = (int)gvCustomizations.DataKeys[gvr.RowIndex].Value;

                    Database.CustomizationOptions_DeleteByCustomizationID(TempCustomizationID);
                    Database.Customizations_Delete(TempCustomizationID);
                }
            }
        }

        BindPageOne();
    }

    private void BindAddCustomization()
    {
        if (CustomizationID == 0)
        {
            litCustomizationID.Text = "New Customization";
            txtName.Text = "";
            txtPrompt.Text = "";
            ddlControlType.SelectedValue = "1";
            CurrentEmptyRows = 3;
        }
        else
        {
            DataRow dr = Database.Customizations_Get(CustomizationID);

            if (dr != null)
            {
                litCustomizationID.Text = CustomizationID.ToString();
                txtName.Text = (string)dr["Name"];
                txtPrompt.Text = (string)dr["Prompt"];
                ddlControlType.SelectedValue = dr["ControlType"].ToString();
                CurrentEmptyRows = 1;
            }
        }

        
        BindOptions(false);
    }

    private void BindOptions(bool SaveOptions)
    {
        DataTable dt = Database.CustomizationOptions_GetByCustomizationID(CustomizationID);

        for (int i = 0; i < CurrentEmptyRows; i++)
        {
            DataRow dr = dt.NewRow();
            dr["CustomizationOptionID"] = 0;
            dr["OptionName"] = "";
            dr["Price"] = 0M;
            dt.Rows.Add(dr);
        }

        if (SaveOptions)
        {
            for (int i = 0; i < gvOptions.Rows.Count; i++)
            {
                DataRow dr = dt.Rows[i];

                TextBox txtOptionName = (TextBox)gvOptions.Rows[i].Cells[0].Controls[0];
                TextBox txtPrice = (TextBox)gvOptions.Rows[i].Cells[1].Controls[0];

                dr["OptionName"] = txtOptionName.Text;
                dr["Price"] = Decimal.Parse(txtPrice.Text);
            }
        }

        gvOptions.DataSource = dt;
        gvOptions.DataBind();
    }

    protected void gvCustomizations_RowCommand(object sender, GridViewCommandEventArgs e)
    {
        if (e.CommandName == "ed")
        {
            int RowIndex = Int32.Parse((string)e.CommandArgument);
            CustomizationID = (int)gvCustomizations.DataKeys[RowIndex].Value;
            
            BindAddCustomization();

            Menu1.Items[1].Selected = true;
            mvContent.ActiveViewIndex = 1;
        }
    }

    protected void btnAddMore_Click1(object sender, EventArgs e)
    {
        CurrentEmptyRows++;
        BindOptions(true);
    }

    private void BindPageThree()
    {
        DataTable dt = Database.Categories_GetAll();
        ddlCategory.DataSource = dt;
        ddlCategory.DataBind();

        ddlCategory.Items.Insert(0, new ListItem("Select", ""));
    }

    protected void ddlCategory_SelectedIndexChanged(object sender, EventArgs e)
    {
        if (ddlCategory.SelectedValue != "")
        {
            DataTable dt = Database.Selectors_GetByCategoryID(Int32.Parse(ddlCategory.SelectedValue));
            ddlSelector.DataSource = dt;
            ddlSelector.DataBind();

            ddlSelector.Items.Insert(0, new ListItem("Select", ""));
            ddlSelector.Enabled = true;
        }
    }

    protected void ddlSelector_SelectedIndexChanged(object sender, EventArgs e)
    {
        if (ddlSelector.SelectedValue != "")
        {
            DataTable dt = Database.Customizations_GetBySelectorID(Int32.Parse(ddlSelector.SelectedValue));
            ddlCustomization.DataSource = dt;
            ddlCustomization.DataBind();

            ddlCustomization.Items.Insert(0, new ListItem("Select", ""));
            ddlCustomization.Enabled = true;
        }
    }

    protected void btnCopy_Click(object sender, EventArgs e)
    {
        if (ddlCustomization.SelectedValue != "")
        {
            DataRow dr = Database.Customizations_Get(Int32.Parse(ddlCustomization.SelectedValue));
            txtName.Text = (string)dr["Name"];
            txtPrompt.Text = (string)dr["Prompt"];
            ddlControlType.SelectedValue = dr["ControlType"].ToString();

            DataTable dt = Database.CustomizationOptions_GetByCustomizationID(Int32.Parse(ddlCustomization.SelectedValue));

            foreach (DataRow drx in dt.Rows)
                drx["CustomizationOptionID"] = 0;

            CurrentEmptyRows = 1;

            gvOptions.DataSource = dt;
            gvOptions.DataBind();

            CustomizationID = 0;
            Menu1.Items[1].Selected = true;
            mvContent.ActiveViewIndex = 1;
        }
        else
            Page.ClientScript.RegisterStartupScript(typeof(string), "err", "alert('Please select a customization to copy.');", true);
    }
}