using System;
using System.Data;
using System.Web.UI.WebControls;

namespace FWA_MAIN
{
    public class Val
    {

        public static string varchar(TextBox box, int length)
        {

            if (box.Text.Length <= length)
            {
                return box.Text.Trim();
            }
            else
            {
                return "";
            }
            
        }

        public static int IntType(TextBox box)
        {

            try
            {

                return int.Parse(box.Text.Trim());
            }
            catch (Exception e)
            {
                return 0;
            }

        }

        public static short SmallIntType(TextBox box)
        {
            try
            {

                if (box.Text.Length > 0)
                {
                    if (double.Parse(box.Text) < 65535 && double.Parse(box.Text) >= 0)
                    {
                        return short.Parse(box.Text.Trim());
                    }
                    else
                    {
                        return 0;
                    }
                }
                else
                {
                    return 0;
                }
            }
            catch (Exception e)
            {
                return 0;
            }
        }

        public static string PatID(TextBox box)
        {

            string word = box.Text.Trim();

            while (word.Length < 8)
            {
                word = "0" + word;
            }

            DataSet ds = PharmacyDataTier.PatientInfoSearch(word);

            if (ds.Tables[0].Rows.Count > 0)
            {
                return word;
            }
            else
            {
                return "00000000";
            }

        }
        public static string MedID(TextBox box)
        {
            string word = box.Text.Trim();

            while (word.Length < 7)
            {
                word = "0" + word;
            }

            DataSet ds = PharmacyDataTier.MedicationInfoSearch(word);

            if (ds.Tables[0].Rows.Count > 0)
            {
                return word;
            }
            else
            {
                return "0000000";
            }
        }
        public static string PhyID(TextBox box)
        {
            string word = box.Text.Trim();

            while (word.Length < 8)
            {
                word = "0" + word;
            }

            DataSet ds = PharmacyDataTier.PhysicianInfoSearch(word);

            if (ds.Tables[0].Rows.Count > 0)
            {
                return word;
            }
            else
            {
                return "00000000";
            }
        }
        
        public static DateTime Date(TextBox box)
        {
            try
            {

                DateTime date = DateTime.Parse(box.Text.Trim());

                if (date < new DateTime(1753,1,1) || date > new DateTime(9999,12,31))
                {
                    throw new Exception();
                }
                
                return date;

            }
            catch (Exception e)
            {
                return new DateTime(3000, 1, 1);
            }
        }
    }
}