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

namespace Louis__Pharmacy_CNSA212_FP
{
    public partial class frmPhysician : Form
    {
        private readonly bool isAdd;
        private frmInfo SourceForm;

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

            isAdd = isNew;
            InitializeComponent();

            txtState.MaxLength = 2;

            if (isNew)
            {
                lblDisPurpose.Text = "Add Physician";
                btnGO.Text = "Create";
            }
            else
            {
                lblDisPurpose.Text = "Edit Physician";
                btnGO.Text = "Update";
            }
            KeyPreview = true;
            KeyDown += frmPhysician_KeyDown;
        }

        ErrorProvider epLocal = new ErrorProvider();
        private void frmPhysician_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Escape) 
                Close();

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

        }

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

        private void btnGO_Click(object sender, EventArgs e)
        {
            

            var hasFailed = false;

            var Physician_id = "";
            var FirstName = "";
            var LastName = "";
            var MiddleIntials = "";
            var City = "";
            short Zip = 0;
            var UsState = "";
            var DOB = new DateTime(1753, 1, 1);
            var PhoneNumber = "";
            var Gender = "";
            var Speciality = "";

            if (txtFirstName.Text.Length + txtLastName.Text.Length + txtMiddleInit.Text.Length + txtCity.Text.Length +
                txtZip.Text.Length + txtState.Text.Length + txtDOB.Text.Length + txtGender.Text.Length
                + txtPhone.Text.Length + txtSpeciality.Text.Length > 0)
            {
                try
                {
                    if (txtSpeciality.Text.Length <= 100)
                        Speciality = txtSpeciality.Text;
                    else
                        throw new Exception();
                }
                catch (Exception exception)
                {
                    epLocal.SetError(txtSpeciality, "Invalid Value");
                    hasFailed = true;
                }

                try
                {
                    if (txtGender.Text.Length == 1)
                        Gender = txtGender.Text.ToUpper();
                    else if (txtGender.Text.Length == 0)
                        Gender = "NA";
                    else
                        throw new Exception();
                }
                catch (Exception exception)
                {
                    epLocal.SetError(txtGender, "Invalid Value");
                    hasFailed = true;
                }

                try
                {
                    if (txtPhone.Text.Length <= 14)
                        PhoneNumber = txtPhone.Text;
                    else
                        throw new Exception();
                }
                catch (Exception exception)
                {
                    epLocal.SetError(txtPhone, "Invalid Value");
                    hasFailed = true;
                }

                try
                {
                    if (txtDOB.Text.Length > 0)
                        DOB = DateTime.Parse(txtDOB.Text);
                    if (DOB < new DateTime(1753,1,1))
                    {
                        throw new Exception();
                    }
                    else
                        DOB = new DateTime(1753, 1, 1);
                }
                catch (Exception exception)
                {
                    epLocal.SetError(txtDOB, "Invalid Value");
                    hasFailed = true;
                }

                try
                {
                    if (txtState.Text.Length <= 2)
                        UsState = txtState.Text;
                    else
                        throw new Exception();
                }
                catch (Exception exception)
                {
                    epLocal.SetError(txtState, "Invalid Value");
                    hasFailed = true;
                }

                try
                {
                    if (txtZip.Text.Length <= 5)
                        Zip = short.Parse(txtZip.Text);
                    else if (txtZip.Text.Length == 0)
                        Zip = 0;
                    else
                        throw new Exception();
                }
                catch (Exception exception)
                {
                    epLocal.SetError(txtZip, "Invalid Value");
                    hasFailed = true;
                }

                try
                {
                    if (txtCity.Text.Length <= 30)
                        City = txtCity.Text;
                    else
                        throw new Exception();
                }
                catch (Exception exception)
                {
                    epLocal.SetError(txtCity, "Invalid Value");
                    hasFailed = true;
                }

                try
                {
                    if (txtMiddleInit.Text.Length <= 1)
                        MiddleIntials = txtMiddleInit.Text;
                    else
                        throw new Exception();
                }
                catch (Exception exception)
                {
                    epLocal.SetError(txtMiddleInit, "Invalid Value");
                    hasFailed = true;
                }

                try
                {
                    if (txtLastName.Text.Length <= 30)
                        LastName = txtLastName.Text;
                    else
                        throw new Exception();
                }
                catch (Exception exception)
                {
                    epLocal.SetError(txtLastName, "Invalid Value");
                    hasFailed = true;
                }

                try
                {
                    if (txtFirstName.Text.Length <= 30)
                        FirstName = txtFirstName.Text;
                    else
                        throw new Exception();
                }
                catch (Exception exception)
                {
                    epLocal.SetError(txtFirstName, "Invalid Value");
                    hasFailed = true;
                }

                try
                {
                    if (txtPhyID.Text.Length <= 8)
                        Physician_id = txtPhyID.Text;
                    else
                        throw new Exception();

                    while (Physician_id.Length < 8) Physician_id = "0" + Physician_id;
                }
                catch (Exception exception)
                {
                    epLocal.SetError(txtPhyID, "Invalid Value");
                    hasFailed = true;
                }

                try
                {
                    Zip = short.Parse(txtZip.Text);
                }
                catch (Exception exception)
                {
                    epLocal.SetError(txtZip, "Invalid Value");
                    hasFailed = true;
                }

                try
                {
                }
                catch (Exception exception)
                {
                    Console.WriteLine(exception);
                    throw;
                }

                if (!hasFailed)
                {
                    if (isAdd)
                    {
                    PharmacyDataTier.CreatePhysician(
                        Physician_id,
                        FirstName,
                        LastName,
                        MiddleIntials,
                        DOB,
                        Gender,
                        City,
                        Zip,
                        UsState,
                        PhoneNumber,
                        Speciality);
                    }
                    else
                    {
                        PharmacyDataTier.UpdatePhysician(
                            Physician_id,
                            FirstName,
                            LastName,
                            MiddleIntials,
                            DOB,
                            Gender,
                            City,
                            Zip,
                            UsState,
                            PhoneNumber,
                            Speciality);
                    }

                    SourceForm.txtPhysicianID.Text = Physician_id;
                    SourceForm.btnPhysicianSearch_Click(sender, e);
                    Close();

                }

            }
        }

        private void frmPhysician_Load(object sender, EventArgs e)
        {
            txtPhyID.Enabled = false;

            if (isAdd)
            {
                var nextID = PharmacyDataTier.GetNextPhysicianID();
                txtPhyID.Text = nextID.ToString();
            }
        }

        public void FillPhysician(string phyID)
        {
            var ds = new DataSet();
            var data = new PharmacyDataTier();

            ds = PharmacyDataTier.PhysicianInfoSearch(phyID);
            txtPhyID.Text = ds.Tables[0].Rows[0]["Physician_id"].ToString();
            txtFirstName.Text = ds.Tables[0].Rows[0]["FirstName"].ToString();
            txtLastName.Text = ds.Tables[0].Rows[0]["LastName"].ToString();
            txtMiddleInit.Text = ds.Tables[0].Rows[0]["MiddleIntials"].ToString();
            txtDOB.Text = ds.Tables[0].Rows[0]["DOB"].ToString();
            txtGender.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();
            txtSpeciality.Text = ds.Tables[0].Rows[0]["Specialty"].ToString();
        }

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

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

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

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

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

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

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

        private void txtCity_TextChanged(object sender, EventArgs e)
        {

            epLocal.SetError(txtCity, "");
            
        }

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

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

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