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;

            cmuPatientEdit.Enabled = false;
            cmuPatientDelete.Enabled = false;

        }

        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");
                }
                
            }
            
            
            cmuPatientEdit.Enabled = dgvPatient.Rows.Count > 0;
            cmuPatientDelete.Enabled = dgvPatient.Rows.Count > 0;


        }

        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");

                }
            }
        }
        
        private void btnPhysicianSearch_Click(object sender, EventArgs e)
        {
            
            string fname = "";
            string lname = "";
            string phyID = "";;

            DataSet ds = new DataSet();
            
            if (txtPhysicianFirst.Text.Length+txtPhysicianLast.Text.Length+txtPhysicianID.Text.Length > 0)
            {

                try
                {

                    fname = txtPhysicianFirst.Text;

                    try
                    {

                        lname = txtPhysicianLast.Text;

                        try
                        {

                            phyID = txtPhysicianID.Text;

                            try
                            {


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

                                    // Set the row and column header styles.
                                    dgvPhysician.ColumnHeadersDefaultCellStyle.ForeColor = Color.White;
                                    dgvPhysician.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(btnPhysicianSearch, "Error Searching");
                                
                            }
                            

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

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

        }

        private void cmuPatientNew_Click(object sender, EventArgs e)
        {
            
                frmPatientAdd PatientAdd = new frmPatientAdd(true);
                PatientAdd.MdiParent = MdiParent;
                PatientAdd.StartPosition = FormStartPosition.CenterScreen; 
                PatientAdd.Show();
                PatientAdd.Focus();
                
            
        }

        private void cmuPatientEdit_Click(object sender, EventArgs e)
        {
            string patid = "";

            if (dgvPatient.Rows.Count > 0)
            {
                // Console.WriteLine( dgvPatient.SelectedRows.Count);
                DataGridViewRow row = dgvPatient.SelectedRows[0];
                patid = (row.Cells[0].Value).ToString();
                frmPatientAdd PatientAdd = new frmPatientAdd(false);
                PatientAdd.MdiParent = MdiParent;
                PatientAdd.StartPosition = FormStartPosition.CenterScreen;
                PatientAdd.Show();
                PatientAdd.Focus();
                PatientAdd.FillPatient(patid);
                
            }
            
            
        }

        private void dgvPatient_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
            
        }
    }
}