using System.Collections.Generic;
using System.ComponentModel;
using System.Configuration;
using System.Linq;

namespace Kreta.Core.FeatureToggle.Configuration
{
    public class SimpleFeatureConfiguration : ConfigurationElement
    {
        [ConfigurationProperty(nameof(Name), IsKey = true, IsRequired = true)]
        public string Name => base[nameof(Name)].ToString();

        [ConfigurationProperty(nameof(IsEnabled), IsKey = false, IsRequired = true)]
        public bool IsEnabled => bool.Parse(base[nameof(IsEnabled)].ToString());

        [ConfigurationProperty(nameof(InstituteIds), IsKey = false, IsRequired = false)]
        [TypeConverter(typeof(CommaDelimitedStringCollectionConverter))]
        public IEnumerable<string> InstituteIds
        {
            get
            {
                var instituteIds = ((CommaDelimitedStringCollection)base[nameof(InstituteIds)]);

                return (instituteIds != null) ? instituteIds.OfType<string>() : new List<string>();
            }
        }

        [ConfigurationProperty(nameof(Environments), IsKey = false, IsRequired = false)]
        [TypeConverter(typeof(CommaDelimitedStringCollectionConverter))]
        public IEnumerable<string> Environments
        {
            get
            {
                var environments = ((CommaDelimitedStringCollection)base[nameof(Environments)]);

                return (environments != null) ? environments.OfType<string>() : new List<string>();
            }
        }
    }
}