using System;
using System.Web.UI;
using System.Data;
using System.Web.UI.WebControls;

namespace FWA_MAIN
{
    public partial class Prescription : Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

            if (!IsPostBack)
            {
                
                txtRxNum.Text = Convert.ToString(Session["vRxNum"]);
                txtPhysID.Text = Convert.ToString(Session["vPhysID"]);
                txtPatID.Text = Convert.ToString(Session["vPatID"]);
                txtMedID.Text = Convert.ToString(Session["vMedID"]);
                
                btnPreSearch_OnClick(sender,e);

            }
            
        }

        private void BindData()
        {
            
            DataSet ds = new DataSet();

            string RxNum = Convert.ToString(Session["vRxNum"]);
            string physID = Convert.ToString(Session["vPhysID"]);
            string patID = Convert.ToString(Session["vPatID"]);
            string medID = Convert.ToString(Session["vMedID"]);

            txtRxNum.Text = RxNum;
            txtPhysID.Text = physID;
            txtPatID.Text = patID;
            txtMedID.Text = medID;

            // if (textHasValues)
            // {
            ds = PharmacyDataTier.PrescriptionInfoSearch(RxNum,patID, medID, physID);
            // }
            
            
            // ds = dt.GetStudents();
            gvPrescription.DataSource = ds.Tables[0];

            if (Cache["PreData"] == null)
            {
                Cache.Add("PreData", new DataView(ds.Tables[0]),
                    null,System.Web.Caching.Cache.NoAbsoluteExpiration,
                    System.TimeSpan.FromMinutes(10), System.Web.Caching.CacheItemPriority.Default,
                    null);
            }
            gvPrescription.DataBind();
            
        }
        
        protected void btnPreSearch_OnClick(object sender, EventArgs e)
        {

            if (txtPatID.Text.Trim().Length > 0 || txtRxNum.Text.Trim().Length > 0 || txtMedID.Text.Trim().Length > 0 ||
                txtPhysID.Text.Trim().Length > 0)
            {


                try
                {

                    Session["vRxNum"] = txtRxNum.Text.Trim();
                    Session["vPhysID"] = txtPhysID.Text.Trim();
                    Session["vPatID"] = txtPatID.Text.Trim();
                    Session["vMedID"] = txtMedID.Text.Trim();

                    Cache.Remove("PreData");
                    BindData();



                }
                catch (Exception exception)
                {
                }
            }
        }

        protected void gvPatient_OnRowDataBound(object sender, GridViewRowEventArgs e)
        {
            if (e.Row.RowType == DataControlRowType.DataRow)
            {
                e.Row.Attributes["onclick"] = Page.ClientScript.GetPostBackClientHyperlink(gvPrescription, "Select$" + e.Row.RowIndex);
                e.Row.ToolTip = "Click to select this row.";
            }
        }
        protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
        {
            BindData();
        }
        protected void gvPatient_OnRowCommand(object sender, GridViewCommandEventArgs e)
        {
            if (e.CommandName == "Select")
            {
                // Determine the index of the selected row
                int index = Convert.ToInt32(e.CommandArgument);

                // Check if the selected row index is the same as the previous selected row index
                if (gvPrescription.SelectedIndex == index)
                {
                    // Deselect the row
                    gvPrescription.SelectedIndex = -1;
                }
                else
                {
                    // Select the row
                    gvPrescription.SelectedIndex = index;
                }

                // Refresh the GridView to update the style
                gvPrescription.DataBind();
            }  
        }
        protected void btnPreNew_OnClick(object sender, EventArgs e)
        {
            
            string prescriptionID;
            
            try
            {
                Session["vRxNum"] = txtRxNum.Text.Trim();
                Session["vPhysID"] = txtPhysID.Text.Trim();
                Session["vPatID"] = txtPatID.Text.Trim();
                Session["vMedID"] = txtMedID.Text.Trim();

                // Use the patientID value as needed
                try
                {

                    prescriptionID = PharmacyDataTier.GetNextRxNum();
                    prescriptionID = Crypt.Encrypt(prescriptionID);
                    Response.Redirect("preNew.aspx" + "?" + "ID=" + prescriptionID, false);
                }
                catch (Exception exception)
                {
                }
                
                
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message, ex.InnerException);
            }
        }

        protected void bntPreEdit_OnClick(object sender, EventArgs e)
        {
            string prescriptionID = "0";
            Int64 mEditedRecord = 0;
            System.Text.StringBuilder sb = new System.Text.StringBuilder();

            try
            {
                Session["vRxNum"] = txtRxNum.Text.Trim();
                Session["vPhysID"] = txtPhysID.Text.Trim();
                Session["vPatID"] = txtPatID.Text.Trim();
                Session["vMedID"] = txtMedID.Text.Trim();


                try
                {

                    prescriptionID = Crypt.Encrypt(gvPrescription.SelectedRow.Cells[0].Text);
                    Response.Redirect("preEdit.aspx" + "?" + "ID=" + prescriptionID, false);
                }
                catch (Exception exception)
                {
                }
                    
                // Use the patientID value as needed

                
                
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message, ex.InnerException);
            }
        }

        protected void btnPreDelete_OnClick(object sender, EventArgs e)
        {
            try
            {

                PharmacyDataTier.DeletePrescription(gvPrescription.SelectedRow.Cells[0].Text);
                BindData();
            }
            catch (Exception exception)
            {
              
            }
        }



    }
}