using System;
using System.Configuration;
using System.Data;
using System.Windows.Forms;
using System.Data.SqlClient;
using System.Runtime.Versioning;

namespace Louis__Pharmacy_CNSA212_FP
{
    public class PharmacyDataTier
    {
    
        static String connString = ConfigurationManager.ConnectionStrings["ConnString"].ConnectionString;
        static SqlConnection myConn = new SqlConnection(connString);
        static System.Data.SqlClient.SqlCommand cmdString = new System.Data.SqlClient.SqlCommand();


        public static void UpdatePatient(
            string Patient_id,
            string FirstName,
            string LastName,
            string MiddleIntials,
            int lbs,
            int Height_feet,
            int Height_inches,
            DateTime DOB,
            string Gender,
            string City,
            Int16 Zip,
            string UsState,
            string PhoneNumber)
        {
            
            try
            {
                myConn.Open();

                cmdString.Parameters.Clear();

                cmdString.Connection = myConn;
                cmdString.CommandType = CommandType.StoredProcedure;
                cmdString.CommandTimeout = 1500;

                cmdString.CommandText = "UpdatePatient";

                cmdString.Parameters.Add("@Patient_id", SqlDbType.VarChar, 8).Value = Patient_id;
                cmdString.Parameters.Add("@FirstName", SqlDbType.VarChar, 30).Value = FirstName;
                cmdString.Parameters.Add("@LastName", SqlDbType.VarChar, 30).Value = LastName;
                cmdString.Parameters.Add("@MiddleIntials", SqlDbType.VarChar).Value = MiddleIntials;
                cmdString.Parameters.Add("@lbs", SqlDbType.Int).Value = lbs;
                cmdString.Parameters.Add("@Height_feet", SqlDbType.Int).Value = Height_feet;
                cmdString.Parameters.Add("@Height_inches", SqlDbType.Int).Value = Height_inches;
                cmdString.Parameters.Add("@DOB", SqlDbType.DateTime).Value = DOB;
                cmdString.Parameters.Add("@Gender", SqlDbType.Char).Value = Gender;
                cmdString.Parameters.Add("@City", SqlDbType.VarChar, 30).Value = City;
                cmdString.Parameters.Add("@Zip", SqlDbType.SmallInt).Value = Zip;
                cmdString.Parameters.Add("@UsState", SqlDbType.Char, 2).Value = UsState;
                cmdString.Parameters.Add("@PhoneNumber", SqlDbType.Char,14).Value = PhoneNumber;

                cmdString.ExecuteNonQuery();

            }
            catch (Exception ex)
            {
                throw new ArgumentException(ex.Message);
            }
            finally
            {
                myConn.Close();
            }
            
        }
        
        
        public static void CreatePatient(
            string Patient_id,
            string FirstName,
            string LastName,
            string MiddleIntials,
            int lbs,
            int Height_feet,
            int Height_inches,
            DateTime DOB,
            string Gender,
            string City,
            Int16 Zip,
            string UsState,
            string PhoneNumber)
        {
            
            try
            {
                myConn.Open();

                cmdString.Parameters.Clear();

                cmdString.Connection = myConn;
                cmdString.CommandType = CommandType.StoredProcedure;
                cmdString.CommandTimeout = 1500;

                cmdString.CommandText = "CreatePatient";

                cmdString.Parameters.Add("@Patient_id", SqlDbType.VarChar, 8).Value = Patient_id;
                cmdString.Parameters.Add("@FirstName", SqlDbType.VarChar, 30).Value = FirstName;
                cmdString.Parameters.Add("@LastName", SqlDbType.VarChar, 30).Value = LastName;
                cmdString.Parameters.Add("@MiddleIntials", SqlDbType.VarChar).Value = MiddleIntials;
                cmdString.Parameters.Add("@lbs", SqlDbType.Int).Value = lbs;
                cmdString.Parameters.Add("@Height_feet", SqlDbType.Int).Value = Height_feet;
                cmdString.Parameters.Add("@Height_inches", SqlDbType.Int).Value = Height_inches;
                cmdString.Parameters.Add("@DOB", SqlDbType.DateTime).Value = DOB;
                cmdString.Parameters.Add("@Gender", SqlDbType.Char).Value = Gender;
                cmdString.Parameters.Add("@City", SqlDbType.VarChar, 30).Value = City;
                cmdString.Parameters.Add("@Zip", SqlDbType.SmallInt).Value = Zip;
                cmdString.Parameters.Add("@UsState", SqlDbType.Char, 2).Value = UsState;
                cmdString.Parameters.Add("@PhoneNumber", SqlDbType.Char,14).Value = PhoneNumber;

                cmdString.ExecuteNonQuery();

            }
            catch (Exception ex)
            {
                throw new ArgumentException(ex.Message);
            }
            finally
            {
                myConn.Close();
            }
            
        }


        public static void DeletePatient(string Patient_id)
        {
            
            try
            {
                // open connection
                myConn.Open();
                //clear any parameters
                cmdString.Parameters.Clear();
                // command
                cmdString.Connection = myConn;
                cmdString.CommandType = CommandType.StoredProcedure;
                cmdString.CommandTimeout = 1500;
                cmdString.CommandText = "DeletePatient";
                // Define input parameter
                cmdString.Parameters.Add("@Patient_id", SqlDbType.VarChar, 8).Value = Patient_id;

                cmdString.ExecuteNonQuery();
            }
            catch (Exception ex)
            {
                throw new ArgumentException(ex.Message);
            }
            finally
            {
                myConn.Close();
            }
            
        }
        
        
        
        public static DataSet PatientInfoSearch(string id, string lname, string fname)
        {
            try
            {
                // open connection
                myConn.Open();
                //clear any parameters
                cmdString.Parameters.Clear();
                // command
                cmdString.Connection = myConn;
                cmdString.CommandType = CommandType.StoredProcedure;
                cmdString.CommandTimeout = 1500;
                cmdString.CommandText = "SearchPatients";
                // Define input parameter
                cmdString.Parameters.Add("@ID", SqlDbType.VarChar, 8).Value = id;
                cmdString.Parameters.Add("@lname", SqlDbType.VarChar, 30).Value = lname;
                cmdString.Parameters.Add("@fname", SqlDbType.VarChar, 30).Value = fname;
                // adapter and dataset
                SqlDataAdapter aAdapter = new SqlDataAdapter();
                aAdapter.SelectCommand = cmdString;
                DataSet aDataSet = new DataSet();
        
                // fill adapter
                aAdapter.Fill(aDataSet);
        
                // return dataSet
                return aDataSet;
            }
            catch (Exception ex)
            {
                throw new ArgumentException(ex.Message);
            }
            finally
            {
                myConn.Close();
            }
        }
        
        public static DataSet PatientInfoSearch(string id)
        {
            try
            {
                // open connection
                myConn.Open();
                //clear any parameters
                cmdString.Parameters.Clear();
                // command
                cmdString.Connection = myConn;
                cmdString.CommandType = CommandType.StoredProcedure;
                cmdString.CommandTimeout = 1500;
                cmdString.CommandText = "SearchPatients";
                // Define input parameter
                cmdString.Parameters.Add("@ID", SqlDbType.VarChar, 8).Value = id;
                cmdString.Parameters.Add("@lname", SqlDbType.VarChar, 30).Value = "";
                cmdString.Parameters.Add("@fname", SqlDbType.VarChar, 30).Value = "";
                // adapter and dataset
                SqlDataAdapter aAdapter = new SqlDataAdapter();
                aAdapter.SelectCommand = cmdString;
                DataSet aDataSet = new DataSet();
        
                // fill adapter
                aAdapter.Fill(aDataSet);
        
                // return dataSet
                return aDataSet;
            }
            catch (Exception ex)
            {
                throw new ArgumentException(ex.Message);
            }
            finally
            {
                myConn.Close();
            }
        }

        
        public static DataSet PrescriptionInfoSearch(string rxID, string patientID)
        {
            try
            {
                // open connection
                myConn.Open();
                //clear any parameters
                cmdString.Parameters.Clear();
                // command
                cmdString.Connection = myConn;
                cmdString.CommandType = CommandType.StoredProcedure;
                cmdString.CommandTimeout = 1500;
                cmdString.CommandText = "PerscriptionInfoSearch";
                // Define input parameter
                cmdString.Parameters.Add("@rxID", SqlDbType.VarChar, 11).Value = rxID;
                cmdString.Parameters.Add("@patientID", SqlDbType.VarChar, 8).Value = patientID;
                // adapter and dataset
                SqlDataAdapter aAdapter = new SqlDataAdapter();
                aAdapter.SelectCommand = cmdString;
                DataSet aDataSet = new DataSet();
        
                // fill adapter
                aAdapter.Fill(aDataSet);
        
                // return dataSet
                return aDataSet;
            }
            catch (Exception ex)
            {
                throw new ArgumentException(ex.Message);
            }
            finally
            {
                myConn.Close();
            }
        }


        public static DataSet PhysicianInfoSearch(string fname,string lname, string phyID)
        {
            
            
                try
                {
                    // open connection
                    myConn.Open();
                    //clear any parameters
                    cmdString.Parameters.Clear();
                    // command
                    cmdString.Connection = myConn;
                    cmdString.CommandType = CommandType.StoredProcedure;
                    cmdString.CommandTimeout = 1500;
                    cmdString.CommandText = "PhysicianInfoSearch";
                    // Define input parameter
                    cmdString.Parameters.Add("@fname", SqlDbType.VarChar, 11).Value = fname;
                    cmdString.Parameters.Add("@lname", SqlDbType.VarChar, 8).Value = lname;
                    cmdString.Parameters.Add("@phyID", SqlDbType.VarChar, 8).Value = phyID;
                    // adapter and dataset
                    SqlDataAdapter aAdapter = new SqlDataAdapter();
                    aAdapter.SelectCommand = cmdString;
                    DataSet aDataSet = new DataSet();
        
                    // fill adapter
                    aAdapter.Fill(aDataSet);
        
                    // return dataSet
                    return aDataSet;
                }
                catch (Exception ex)
                {
                    throw new ArgumentException(ex.Message);
                }
                finally
                {
                    myConn.Close();
                }
        }
        
        public static double GetNextPatientID()
        {
            try
            {
                // open connection
                myConn.Open();
                //clear any parameters
                cmdString.Parameters.Clear();
                // command
                cmdString.Connection = myConn;
                cmdString.CommandType = CommandType.StoredProcedure;
                cmdString.CommandTimeout = 1500;
                cmdString.CommandText = "GetNextPatientID";
                // Define input parameter
                cmdString.Parameters.Add("@TableName", SqlDbType.NVarChar, 128).Value = "PATIENT";
                
                object result = cmdString.ExecuteScalar();
                double value = 0;
                try
                {
                    value = Convert.ToDouble(result);

                }
                catch(Exception e)
                {
                    MessageBox.Show("Error Getting next Patient ID","ERROR",MessageBoxButtons.OK);
                }
                
        
                // return dataSet
                return value;
            }
            catch (Exception ex)
            {
                throw new ArgumentException(ex.Message);
            }
            finally
            {
                myConn.Close();
            }
        }

        public static DataSet RefillSearch(DateTime date, string id)
        {
            try
            {
                // open connection
                myConn.Open();
                //clear any parameters
                cmdString.Parameters.Clear();
                // command
                cmdString.Connection = myConn;
                cmdString.CommandType = CommandType.StoredProcedure;
                cmdString.CommandTimeout = 1500;
                cmdString.CommandText = "SearchRefills";
                // Define input parameter
                cmdString.Parameters.Add("@date", SqlDbType.Date).Value = date;
                cmdString.Parameters.Add("@ID", SqlDbType.VarChar, 8).Value = id;
                // adapter and dataset
                SqlDataAdapter aAdapter = new SqlDataAdapter();
                aAdapter.SelectCommand = cmdString;
                DataSet aDataSet = new DataSet();

                // fill adapter
                aAdapter.Fill(aDataSet);

                // return dataSet
                return aDataSet;
            }
            catch (Exception ex)
            {
                throw new ArgumentException(ex.Message);
            }
            finally
            {
                myConn.Close();
            }
        }

        public static DataSet RefillSearch(string id)
        {
            try
            {
                // open connection
                myConn.Open();
                //clear any parameters
                cmdString.Parameters.Clear();
                // command
                cmdString.Connection = myConn;
                cmdString.CommandType = CommandType.StoredProcedure;
                cmdString.CommandTimeout = 1500;
                cmdString.CommandText = "SearchRefills";
                // Define input parameter
                cmdString.Parameters.Add("@ID", SqlDbType.VarChar, 8).Value = id;
                // adapter and dataset
                SqlDataAdapter aAdapter = new SqlDataAdapter();
                aAdapter.SelectCommand = cmdString;
                DataSet aDataSet = new DataSet();

                // fill adapter
                aAdapter.Fill(aDataSet);

                // return dataSet
                return aDataSet;
            }
            catch (Exception ex)
            {
                throw new ArgumentException(ex.Message);
            }
            finally
            {
                myConn.Close();
            }
        }

        public static double GetNextRefillID()
        {
            try
            {
                // open connection
                myConn.Open();
                //clear any parameters
                cmdString.Parameters.Clear();
                // command
                cmdString.Connection = myConn;
                cmdString.CommandType = CommandType.StoredProcedure;
                cmdString.CommandTimeout = 1500;
                cmdString.CommandText = "GetNextRefillID";
                // Define input parameter
                cmdString.Parameters.Add("@TableName", SqlDbType.NVarChar, 128).Value = "Refill";

                object result = cmdString.ExecuteScalar();
                double value = 0;
                try
                {
                    value = Convert.ToDouble(result);

                }
                catch (Exception e)
                {
                    MessageBox.Show("Error Getting next Refill ID", "ERROR", MessageBoxButtons.OK);
                }


                // return dataSet
                return value;
            }
            catch (Exception ex)
            {
                throw new ArgumentException(ex.Message);
            }
            finally
            {
                myConn.Close();
            }
        }

        public static void AddRefill(string refillID, DateTime date, string patientID, string medicationID, string rxNum)
        {
            try
            {
                myConn.Open();

                cmdString.Parameters.Clear();

                cmdString.Connection = myConn;
                cmdString.CommandType = CommandType.StoredProcedure;
                cmdString.CommandTimeout = 1500;

                cmdString.CommandText = "AddNewRefill";

                cmdString.Parameters.Add("@refillID", SqlDbType.Char, 10).Value = refillID;
                cmdString.Parameters.Add("@date", SqlDbType.Date).Value = date;
                cmdString.Parameters.Add("@patientID", SqlDbType.VarChar, 8).Value = patientID;
                cmdString.Parameters.Add("@medicationID", SqlDbType.VarChar, 7).Value = medicationID;
                cmdString.Parameters.Add("@rxNum", SqlDbType.VarChar, 11).Value = rxNum;

                cmdString.ExecuteNonQuery();
            }
            catch (Exception ex)
            {
                throw new ArgumentException(ex.Message);
            }
            finally
            {
                myConn.Close();
            }
        }

        public static void UpdateRefill(string refillID, DateTime date, string patientID, string medicationID, string rxNum)
        {
            try
            {
                myConn.Open();

                cmdString.Parameters.Clear();

                cmdString.Connection = myConn;
                cmdString.CommandType = CommandType.StoredProcedure;
                cmdString.CommandTimeout = 1500;

                cmdString.CommandText = "UpdateRefills";

                cmdString.Parameters.Add("@refillID", SqlDbType.Char, 10).Value = refillID;
                cmdString.Parameters.Add("@date", SqlDbType.Date).Value = date;
                cmdString.Parameters.Add("@patientID", SqlDbType.VarChar, 8).Value = patientID;
                cmdString.Parameters.Add("@medicationID", SqlDbType.VarChar, 7).Value = medicationID;
                cmdString.Parameters.Add("@rxNum", SqlDbType.VarChar, 11).Value = rxNum;

                cmdString.ExecuteNonQuery();
            }
            catch (Exception ex)
            {
                throw new ArgumentException(ex.Message);
            }
            finally
            {
                myConn.Close();
            }
        }

    }
}