using System;
using System.Linq;

namespace Names
{
    internal static class HistogramTask
    {
        public static HistogramData GetBirthsPerDayHistogram(NameData[] names, string name)
        {
            var days = Enumerable.Range(1, 31).Select(x => Convert.ToString(x)).ToArray();
            var _names = names.Where(_name => _name.Name == name).Select(_name => _name.BirthDate.Day).Select(Convert.ToDouble).ToArray();
            _names[0] = 0;

            return new HistogramData(
                string.Format("Рождаемость людей с именем '{0}'", name),
                days, _names);
        }
    }
}