using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;


namespace Louis__Pharmacy_CNSA212_FP
{
    public partial class frmInfo : Form
    {
        private ErrorProvider ep1 = new ErrorProvider();
        
        public frmInfo()
        {
            InitializeComponent();
        }

        private void frmInfo_Load(object sender, EventArgs e)
        {

            KeyPreview = true;
            KeyDown += frmInfo_KeyDown;
            
        }

        private void frmInfo_KeyDown(object sender, KeyEventArgs e)
        {
            //  esc not funtional
            if (e.KeyCode == Keys.Escape) // Check if the pressed key is Escape
            {this.Close(); // Close the form
            }
            
            if (e.KeyCode == Keys.Enter){
                btnPatientSearch_Click(sender, e);
            }
            
        }
        
        private void addUpdatePatientAndPhysicianToolStripMenuItem_Click(object sender, EventArgs e)
        {

        }

        private void pATIENTBindingNavigatorSaveItem_Click(object sender, EventArgs e)
        {

        }

        private void btnPatientSearch_Click(object sender, EventArgs e)
        {
            string fname = "";
            string lname = "";
            string id = "";

            DataSet ds = new DataSet();
            
            if (txtPatientFirst.Text.Length + txtPatientLast.Text.Length + txtPatientID.Text.Length > 0)
            {

                try
                {

                    fname = txtPatientFirst.Text;

                    try
                    {

                        lname = txtPatientLast.Text;

                        try
                        {

                            id = txtPatientID.Text;

                            try
                            {
                                

                                ds = PharmacyDataTier.PatientInfoSearch(id,lname,fname);
                                
                                
                                if (ds.Tables[0].Rows.Count > 0) // There is a record.
                                {
                                    dgvPatient.Visible = true;
                                    // Get data source.
                                    dgvPatient.DataSource = ds.Tables[0];
                                    dgvPatient.AlternatingRowsDefaultCellStyle.BackColor = Color.LightGreen;

                                    // Set the row and column header styles.
                                    dgvPatient.ColumnHeadersDefaultCellStyle.ForeColor = Color.White;
                                    dgvPatient.ColumnHeadersDefaultCellStyle.BackColor = Color.Green;
                                }
                                else
                                {
                                    dgvPatient.Visible = false; // Hide the DataGridView if no results are found.
                                    MessageBox.Show("No records found.");
                                }
                                

                            }
                            catch (Exception exception)
                            {
                                
                                ep1.SetError(btnPatientSearch, "Error Searching");
                                
                            }
                            

                        }
                        catch (Exception exception)
                        {
                            
                            ep1.SetError(txtPatientID, "Invalid Value");
                            
                        }

                    }
                    catch (Exception exception)
                    {
                        
                        ep1.SetError(txtPatientLast, "Invalid Value");
                        
                    }
                    
                }
                catch (Exception exception)
                {
                    ep1.SetError(txtPatientFirst, "Invalid Value");
                }
                
            }


        }

        private void btnPrescriptionSearch_Click(object sender, EventArgs e)
        {
             string rxID = "";
            string patientID = "";

            DataSet ds = new DataSet();

            if (txtPrescriptionPatID.Text.Length+txtRxNumber.Text.Length > 0)
            {


                try
                {

                    patientID = txtPrescriptionPatID.Text;

                    try
                    {

                        rxID = txtRxNumber.Text;

                        try
                        {


                            ds = PharmacyDataTier.PrescriptionInfoSearch(rxID, patientID);


                            if (ds.Tables[0].Rows.Count > 0) // There is a record.
                            {
                                dgvPrescription.Visible = true;
                                // Get data source.
                                dgvPrescription.DataSource = ds.Tables[0];
                                dgvPrescription.AlternatingRowsDefaultCellStyle.BackColor = Color.LightGreen;

                                // Set the row and column header styles.
                                dgvPrescription.ColumnHeadersDefaultCellStyle.ForeColor = Color.White;
                                dgvPrescription.ColumnHeadersDefaultCellStyle.BackColor = Color.Green;
                            }
                            else
                            {
                                dgvPatient.Visible = false; // Hide the DataGridView if no results are found.
                                MessageBox.Show("No records found.");
                            }


                        }
                        catch (Exception exception)
                        {

                            ep1.SetError(btnPrescriptionSearch, "Error Searching");

                        }


                    }
                    catch (Exception exception)
                    {

                        ep1.SetError(txtRxNumber, "Invalid Value");

                    }

                }
                catch (Exception exception)
                {

                    ep1.SetError(txtPrescriptionPatID, "Invalid Value");

                }
            }
        }
    }
}