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* 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.
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*    and/or other materials provided with the distribution.
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*    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''
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using System;
using System.Linq;

namespace DeviceFWUTool
{
    internal static class CmdUtilities
    {
        public static void WriteDescription(string key, string description, int? keyFieldWidth = null)
        {
            const string separator = "- ";
            var width = keyFieldWidth ?? key.Length + 1;
            Console.Write("{0," + -width + "}{1}", key, separator);
            var indentation = width + separator.Length;
            WriteWrappedLine(description, indentation);
        }

        public static void WriteWrappedLine(string message, int indentation = 0)
        {
            var maxWidth = Console.WindowWidth - indentation - 1;

            var words = message.Split((char[]) null, StringSplitOptions.RemoveEmptyEntries);
            var lines = words.Skip(1).Aggregate(words.Take(1).ToList(), (list, word) =>
            {
                if (list.Last().Length + word.Length >= maxWidth)
                {
                    list.Add(word);
                }
                else
                {
                    list[list.Count - 1] += ' ' + word;
                }
                return list;
            });

            Console.WriteLine(lines[0]);
            var format = "{0," + indentation + "}{1}";
            foreach (var line in lines.Skip(1))
            {
                Console.WriteLine(format, null, line);
            }
        }
    }
}
