using System;
using System.Data;
using System.Windows.Forms;

namespace Louis__Pharmacy_CNSA212_FP
{
    public partial class frmPatient : Form
    {
        private static bool isAdd;

        private readonly frmInfo SourceForm;

        public frmPatient(frmInfo sourceForm, bool isNew)
        {
            SourceForm = sourceForm;

            isAdd = isNew;
            InitializeComponent();

            txtState.MaxLength = 2;

            if (isNew)
            {
                lblDisPurpose.Text = "Add Patient";
                btnGO.Text = "Create";
            }
            else
            {
                lblDisPurpose.Text = "Edit Patient";
                btnGO.Text = "Update";
            }

            KeyPreview = true;
            KeyDown += frmPatient_KeyDown;
        }


        private void frmPatient_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Escape) 
                Close();

            if (e.KeyCode == Keys.Enter) btnGO_Click(sender, e);
            
            
        }


        private void label1_Click(object sender, EventArgs e)
        {
        }

        private void frmPatientAdd_Load(object sender, EventArgs e)
        {
            txtPatientID.Enabled = false;

            if (isAdd)
            {
                var nextID = PharmacyDataTier.GetNextPatientID();
                txtPatientID.Text = nextID.ToString();
            }

            PharmacyDataTier.FillComboBox("GENDER","*","GenderValue",cboGender);
        }

        public void FillPatient(string patID)
        {
            var ds = new DataSet();
            var data = new PharmacyDataTier();

            ds = PharmacyDataTier.PatientInfoSearch(patID);
            txtPatientID.Text = ds.Tables[0].Rows[0]["Patient_id"].ToString();
            txtFname.Text = ds.Tables[0].Rows[0]["FirstName"].ToString();
            txtLname.Text = ds.Tables[0].Rows[0]["LastName"].ToString();
            txtMidInit.Text = ds.Tables[0].Rows[0]["MiddleIntials"].ToString();
            txtWeight.Text = ds.Tables[0].Rows[0]["lbs"].ToString();
            txtHeightFt.Text = ds.Tables[0].Rows[0]["Height_feet"].ToString();
            txtHeightIn.Text = ds.Tables[0].Rows[0]["Height_inches"].ToString();
            txtDOB.Text = ds.Tables[0].Rows[0]["DOB"].ToString();
            cboGender.Text = ds.Tables[0].Rows[0]["Gender"].ToString();
            txtCity.Text = ds.Tables[0].Rows[0]["City"].ToString();
            txtZip.Text = ds.Tables[0].Rows[0]["Zip"].ToString();
            txtState.Text = ds.Tables[0].Rows[0]["UsState"].ToString();
            txtPhone.Text = ds.Tables[0].Rows[0]["PhoneNumber"].ToString();
        }

            ErrorProvider epLocal = new ErrorProvider();
        private void btnGO_Click(object sender, EventArgs e)
        {

            var Patient_id = txtPatientID.Text;
            var FirstName = txtFname.Text;
            var LastName = txtLname.Text;
            var MiddleIntials = txtMidInit.Text;
            var City = txtCity.Text;

            int lbs = 0;
            int Height_feet = 0;
            int Height_inches = 0;
            DateTime DOB = new DateTime(1753,1,1);
            string Gender = "";
            short Zip = 0;
            string UsState = "";
            string PhoneNumber= "";

            var parseHasFailed = false;

            int intLimit = 2147483647;

            
            if (City.Length > 30)
            {
                epLocal.SetError(txtCity, "Invalid Value");
                parseHasFailed = true;
            }
            if (MiddleIntials.Length > 1)
            {
                epLocal.SetError(txtMidInit, "Invalid Value");
                parseHasFailed = true;
            }
            if (LastName.Length > 30)
            {
                epLocal.SetError(txtLname, "Invalid Value");
                parseHasFailed = true;
            }

            if (LastName.Length < 1)
            {
                epLocal.SetError(txtLname, "Must Enter A Last Name");
                parseHasFailed = true;
            }
            {
                
            }
            if (FirstName.Length > 30)
            {
                epLocal.SetError(txtFname, "Invalid Value");
                parseHasFailed = true;
            }

            if (FirstName.Length < 1)
            {
                epLocal.SetError(txtFname, "Must Enter A First Name");
                parseHasFailed = true;
            }

            if (Patient_id.Length > 8)
            {
                epLocal.SetError(txtPatientID, "Invalid Value");
                parseHasFailed = true;
            }
            else
            {
                while (Patient_id.Length < 8)
                {
                    Patient_id = "0" + Patient_id;
                }
            }
            
            
            try
            {

                if (txtPhone.Text.Length>0)
                {
                    PhoneNumber = txtPhone.Text;
                    if (PhoneNumber.Length > 14)
                    {
                        throw new Exception();
                    }
                }
                
            }
            catch (Exception exception)
            {
                epLocal.SetError(txtPhone, "Invalid value");
                parseHasFailed = true;
            }
            try
            {

                if (txtState.Text.Length > 0)
                {
                    UsState = txtState.Text.ToUpper();

                    if (UsState.Length > 2)
                    {
                        throw new Exception();
                    }
                }
                
            }
            catch (Exception exception)
            {
                epLocal.SetError(txtState, "Invalid value");
                parseHasFailed = true;
            }

            try
            {

                if (txtZip.Text.Length > 0)
                {
                    Zip = short.Parse(txtZip.Text);
                    
                }
                
            }
            catch (Exception exception)
            {
                epLocal.SetError(txtZip, "Invalid value");
                parseHasFailed = true;
            }
            
            try
            {

                Gender = cboGender.Text;

                if (Gender != "M" && Gender != "F")
                {
                    throw new Exception();
                }
                
            }
            catch (Exception exception)
            {
                epLocal.SetError(cboGender, "Invalid value");
                parseHasFailed = true;
            }
            try
            {

                if (txtDOB.Text.Length > 0)
                {
                    DOB = DateTime.Parse(txtDOB.Text);
                }
                

            }
            catch (Exception exception)
            {
                epLocal.SetError(txtDOB, "Invalid value");
                parseHasFailed = true;
            }
            try
            {

                if (txtHeightIn.Text.Length > 0)
                {
                    Height_inches = int.Parse(txtHeightIn.Text);
                    if (Height_inches > 11 || Height_inches < 0)
                    {
                        throw new Exception();
                    }
                }

            }
            catch (Exception exception)
            {
                epLocal.SetError(txtHeightIn, "Invalid value");
                parseHasFailed = true;
            }

            
            try
            {

                if (txtHeightFt.Text.Length > 0)
                {
                    Height_feet = int.Parse(txtHeightFt.Text);
                    if (Height_feet > 11 || Height_feet < 0)
                    {
                        throw new Exception();
                    }
                }

            }
            catch (Exception exception)
            {
                epLocal.SetError(txtHeightFt, "Invalid value");
                parseHasFailed = true;
            }

            try
            {

                if (txtWeight.Text.Length > 0)
                {
                    lbs = int.Parse(txtWeight.Text);
                    if (lbs > intLimit || lbs < 0)
                    {
                        throw new Exception();
                    }
                }

            }
            catch (Exception exception)
            {
                epLocal.SetError(txtWeight, "Invalid value");
                parseHasFailed = true;
            }


            if (isAdd && !parseHasFailed)
            {
                PharmacyDataTier.CreatePatient(Patient_id, FirstName, LastName, MiddleIntials, lbs, Height_feet, Height_inches, DOB, Gender, City, Zip, UsState, PhoneNumber);
                
                SourceForm.txtPatientID.Text = Patient_id;
                SourceForm.btnPatientSearch_Click(sender,e);
                Close();
            }
            else if (!isAdd && !parseHasFailed)
            {
                PharmacyDataTier.UpdatePatient(Patient_id, FirstName, LastName, MiddleIntials, lbs, Height_feet, Height_inches, DOB, Gender, City, Zip, UsState, PhoneNumber);
                
                SourceForm.txtPatientID.Text = Patient_id;
                SourceForm.btnPatientSearch_Click(sender,e);
                Close();
            }

            
        }

        private void btnClose_Click(object sender, EventArgs e)
        {
            Close();
        }

        private void txtPatientID_TextChanged(object sender, EventArgs e)
        {
            epLocal.SetError(txtPatientID, "");
        }

        private void txtFname_TextChanged(object sender, EventArgs e)
        {
            epLocal.SetError(txtFname, "");
        }

        private void txtLname_TextChanged(object sender, EventArgs e)
        {
            epLocal.SetError(txtLname, "");
        }

        private void txtMidInit_TextChanged(object sender, EventArgs e)
        {
            epLocal.SetError(txtMidInit, "");
        }

        private void txtWeight_TextChanged(object sender, EventArgs e)
        {
            epLocal.SetError(txtWeight, "");
        }

        private void txtHeightFt_TextChanged(object sender, EventArgs e)
        {
            epLocal.SetError(txtHeightFt, "");
        }

        private void txtHeightIn_TextChanged(object sender, EventArgs e)
        {
            epLocal.SetError(txtHeightIn, "");
        }

        private void txtDOB_TextChanged(object sender, EventArgs e)
        {
            epLocal.SetError(txtDOB, "");
        }

        private void txtCity_TextChanged(object sender, EventArgs e)
        {
            epLocal.SetError(txtCity, "");
        }

        private void cboGender_SelectedIndexChanged(object sender, EventArgs e)
        {
            epLocal.SetError(cboGender, "");
        }

        private void txtZip_TextChanged(object sender, EventArgs e)
        {
            epLocal.SetError(txtZip, "");
        }

        private void txtState_TextChanged(object sender, EventArgs e)
        {
            epLocal.SetError(txtState, "");
        }

        private void txtPhone_TextChanged(object sender, EventArgs e)
        {
            epLocal.SetError(txtPhone, "");
        }
    }
}