using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

/// <summary>
/// Summary description for Utilities
/// </summary>
public class Utilities
{
	public Utilities()
	{
		//
		// TODO: Add constructor logic here
		//
	}

    // Returns a date/time stamp in the format YYYYMMDD_HHMMSS
    public static string GetTimeStamp()
    {
        DateTime dt = DateTime.Now;
        return string.Format("{0}{1}{2}_{3}{4}{5}", dt.Year, dt.Month.ToString().PadLeft(2, Char.Parse("0")), dt.Day.ToString().PadLeft(2, Char.Parse("0")),
            dt.Hour.ToString().PadLeft(2, Char.Parse("0")), dt.Minute.ToString().PadLeft(2, Char.Parse("0")), dt.Second.ToString().PadLeft(2, Char.Parse("0")));
    }

    // Returns the month text for a month number
    public static string GetMonthText(int monthNumber, bool? getMonthAbbrev)
    {
        string monthName;
        switch (monthNumber)
        {
            case 1:
                monthName = "January";
                break;
            case 2:
                monthName = "February";
                break;
            case 3:
                monthName = "March";
                break;
            case 4:
                monthName = "April";
                break;
            case 5:
                monthName = "May";
                break;
            case 6:
                monthName = "June";
                break;
            case 7:
                monthName = "July";
                break;
            case 8:
                monthName = "August";
                break;
            case 9:
                monthName = "September";
                break;
            case 10:
                monthName = "October";
                break;
            case 11:
                monthName = "November";
                break;
            case 12:
                monthName = "December";
                break;
            default:
                monthName = "-1";
                break;
        }

        if(getMonthAbbrev == true && monthNumber > 0 && monthNumber <= 12)
        {
            monthName = monthName.Substring(0, 3);
        }

        return monthName;
    }

    // Returns a date/time in the format MMMM DD, YYYY HH:MM AM/PM
    public static string GetFormattedDateTime()
    {
        DateTime dt = DateTime.Now;
        return string.Format("{0}{1}{2}", dt.ToLongDateString(), " ", dt.ToShortTimeString());
    }

    // Returns a date in the format MMM DD, YYY
    public static string GetFormattedDate()
    {
        DateTime dt = DateTime.Now;
        return string.Format("{0}", dt.ToString("MMM dd yyyy"));
    }

    // Put a space after every comma
    public static string putSpaceAfterChar(string inputString, string charToPutSpaceAfter)
    {
        inputString = inputString.Replace(",", ", ");
        return inputString;
    }

    // Replaces spaces with hyphens. 
    public static string replaceSpaces(string a)
    {
        a = a.Replace(' ', '-');
        return a;
    }

    // Replace char1 with char2 in the string 
    public static string replaceChar(string a, char charToReplace, char charToReplaceWith)
    {
        a = a.Replace(charToReplace, charToReplaceWith);
        return a;
    }

    // Replace str1 with str2 in the string 
    public static string replaceString(string a, string stringToReplace, string stringToReplaceWith)
    {
        a = a.Replace(stringToReplace, stringToReplaceWith);
        return a;
    }

    // Replaces newline with a space. 
    private string FixCrLf(string value)
    {
        if (String.IsNullOrEmpty(value))
        {
            return String.Empty;
        }
        return value.Replace(Environment.NewLine, " ");
    }

    // Remove spaces. 
    public static string removeSpaces(string a)
    {
        string temp = "";
        int i;

        for (i = 0; i < a.Length; i++)
            if (a[i] != ' ') temp += a[i];

        a = temp;
        return a;
    }

    // Remove illegal filename chars. 
    public static string removeIllegalChars(string a)
    {
        string temp = "";
        int i;

        for (i = 0; i < a.Length; i++)
        {
            switch (a[i])
            {
                case ' ':
                    break;
                case '\\':
                    break;
                case '/':
                    break;
                case '*':
                    break;
                case ':':
                    break;
                case '?':
                    break;
                case '\"':
                    break;
                case '<':
                    break;
                case '>':
                    break;
                case '|':
                    break;
                default:
                    temp += a[i];
                    break;
            }
        }
            
        a = temp;
        return a;
    }

    // Reverse a string. 
    public static string reverse(string a)
    {
        string temp = "";
        int i, j;

        for (j = 0, i = a.Length - 1; i >= 0; i--, j++)
            temp += a[i];

        a = temp;
        return a;
    }

    //Function to count no.of occurences of Substring in Main string
    public static int CharCount(String strSource, String strToCount)
    {
        int iCount = 0;
        int iPos = strSource.IndexOf(strToCount);
        while (iPos != -1)
        {
            iCount++;
            strSource = strSource.Substring(iPos + 1);
            iPos = strSource.IndexOf(strToCount);
        }
        return iCount;
    }

    // Return part of string after specified character
    public static string GetStringPartAfterChar(String str, String chr)
    {
        int startPos;
        string subStr;
        startPos = str.IndexOf(chr) + 1;
        subStr = str.Substring(startPos);
        return subStr;
    }

    // Return part of string before specified character
    public static string GetStringPartBeforeChar(String str, String chr)
    {
        int lastPos;
        string subStr;
        lastPos = str.LastIndexOf(chr);
        if (lastPos >= 0)
        {
            subStr = str.Substring(0, lastPos);
        }
        else
        {
            subStr = str;
        }
        return subStr;
    }


    // Disable controls
    public static void DisableControls(Control c)
    {
        if (c is WebControl)
        {
            if (!(c is Label))
            {
                ((WebControl)c).Enabled = false;
            }
        }

        foreach (Control child in c.Controls)
        {
            if (!(child is Label))
            {
                DisableControls(child);
            }
        }
    }

    // Get logged-on userID
    public static string GetLoggedInUserID(string UserIdentityName)
    {
        String[] userNames;
        String userName;
        userNames = UserIdentityName.Split('\\');
        userName = userNames[1];
        return userName;
    }

    // Methods to populate lists and combo boxes
    // Overloaded method
    public static void populateCombo(SqlDataSource ds, DropDownList comboName, string spName, string dataValueField, string dataTextField)
    {
        ds.SelectCommandType = SqlDataSourceCommandType.StoredProcedure;
        ds.SelectCommand = spName;
        comboName.DataSource = ds;
        comboName.DataValueField = dataValueField;
        comboName.DataTextField = dataTextField;
        comboName.DataBind();
        comboName.Items.Insert(0, "Select One");
    }

    // Overloaded method
    public static void populateCombo(SqlDataSource ds, DropDownList comboName, string spName, string dataValueField, string dataTextField, string paramName, int paramValue)
    {
        ds.SelectCommandType = SqlDataSourceCommandType.StoredProcedure;
        ds.SelectCommand = spName;

        ds.SelectParameters.Clear();

        // Declare a parameter & add it to the datasource
        //Parameter spParameter = new Parameter(paramName, TypeCode.Int32);
        //spParameter.DefaultValue = paramValue.ToString();
        //ds.SelectParameters.Add(spParameter);
        // OR add the parameter directly
        ds.SelectParameters.Add(paramName, paramValue.ToString());

        ds.SelectParameters[0].Direction = ParameterDirection.Input;

        comboName.DataSource = ds;
        comboName.DataValueField = dataValueField;
        comboName.DataTextField = dataTextField;
        comboName.DataBind();
        comboName.Items.Insert(0, "Select One");
    }

    public static void populateList(SqlDataSource ds, ListBox listBoxName, string spName, string dataValueField, string dataTextField)
    {
        ds.SelectCommandType = SqlDataSourceCommandType.StoredProcedure;
        ds.SelectCommand = spName;
        listBoxName.DataSource = ds;
        listBoxName.DataValueField = dataValueField;
        listBoxName.DataTextField = dataTextField;
        listBoxName.DataBind();
        listBoxName.Items.Insert(0, "None");
        listBoxName.Items[0].Selected = true;
    }
}