// Copyright (c) 2014, Outercurve Foundation.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// - Redistributions of source code must  retain  the  above copyright notice, this
//   list of conditions and the following disclaimer.
//
// - Redistributions in binary form  must  reproduce the  above  copyright  notice,
//   this list of conditions  and  the  following  disclaimer in  the documentation
//   and/or other materials provided with the distribution.
//
// - Neither  the  name  of  the  Outercurve Foundation  nor   the   names  of  its
//   contributors may be used to endorse or  promote  products  derived  from  this
//   software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,  BUT  NOT  LIMITED TO, THE IMPLIED
// WARRANTIES  OF  MERCHANTABILITY   AND  FITNESS  FOR  A  PARTICULAR  PURPOSE  ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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// (INCLUDING, BUT NOT LIMITED TO,  PROCUREMENT  OF  SUBSTITUTE  GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)  HOWEVER  CAUSED AND ON
// ANY  THEORY  OF  LIABILITY,  WHETHER  IN  CONTRACT,  STRICT  LIABILITY,  OR TORT
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

using System;
using System.Collections.Generic;
using System.Text;
using System.Data;

namespace WebsitePanel.EnterpriseServer.Base.Reports
{
	public static class OverusageReportUtils
	{
		/// <summary>
		/// Returns a long value from <paramref name="value"/>.
		/// </summary>
		/// <param name="value">String representing a number.</param>
		/// <param name="detaultValue">Default value.</param>
		/// <returns>Long value.</returns>
		public static long GetLongValueOrDefault(string value, long detaultValue)
		{
			long result = 0;

			if (!long.TryParse(value, out result))
			{
				result = detaultValue;
			}

			if (result == -1)
			{
				result = long.MaxValue;
			}

			return result;
		}

		/// <summary>
		/// Return string value specified by <paramref name="column"/> or <paramref name="defaultValue"/> in case there is no such column in <see cref="DataRow"/>.
		/// </summary>
		/// <param name="dr"><see cref="DataRow"/> containing data.</param>
		/// <param name="column">Columns name to take data from.</param>
		/// <param name="defaultValue">Default value in case if there is no such <paramref name="column"/></param>
		/// <returns>String value.</returns>
		public static string GetStringOrDefault(DataRow dr, string column, string defaultValue)
		{
			string result = defaultValue;

			if (dr.Table.Columns.Contains(column))
			{
				result = dr[column].ToString();
			}

			return result;
		}
	}
}