namespace ScrapCode.DotNet.Configuration
{
    /// <summary>
    /// 構成ファイル内のカスタムセクションを表します。
    /// </summary>
    public class CustomSection : System.Configuration.ConfigurationSection
    {
        [System.Configuration.ConfigurationProperty("stringValue", IsRequired = true)]
        [System.Configuration.StringValidator(MinLength = 0, MaxLength = 64, InvalidCharacters = "~!@#$%^&*()[]{}/;'\"|\\")]
        public string StringValue
        {
            get { return (string)this["stringValue"]; }
            set { this["stringValue"] = value; }
        }

        [System.Configuration.ConfigurationProperty("integerValue", IsRequired = true)]
        [System.Configuration.LongValidator(MinValue = 0, MaxValue = 123456789, ExcludeRange = false)]
        public long IntegerValue
        {
            get { return (long)this["integerValue"]; }
            set { this["integerValue"] = value; }
        }

        [System.Configuration.ConfigurationProperty("timeSpanValue", DefaultValue = "0:10:00")]
        [System.Configuration.TimeSpanValidator(MinValueString = "0:0:00", MaxValueString = "1:0:0", ExcludeRange = false)]
        public System.TimeSpan TimeSpanValue
        {
            get { return (System.TimeSpan)this["timeSpanValue"]; }
            set { this["timeSpanValue"] = value; }
        }

        [System.Configuration.ConfigurationProperty("urls")]
        [System.Configuration.ConfigurationCollection(typeof(CustomCollection))]
        public CustomCollection Urls
        {
            get { return (CustomCollection)this["urls"]; }
        }
    }

    /// <summary>
    /// 子要素のコレクションを格納するカスタム構成要素を表します。
    /// </summary>
    public class CustomCollection : System.Configuration.ConfigurationElementCollection
    {
        public CustomElement this[int index]
        {
            get { return (CustomElement)BaseGet(index); }
            set { if (BaseGet(index) != null) BaseRemoveAt(index); BaseAdd(index, value); }
        }

        public new CustomElement this[string key]
        {
            get { return (CustomElement)BaseGet(key); }
            set { if (BaseGet(key) != null) BaseRemoveAt(BaseIndexOf(BaseGet(key))); BaseAdd(value); }
        }

        protected override System.Configuration.ConfigurationElement CreateNewElement()
        {
            return new CustomElement();
        }

        protected override object GetElementKey(System.Configuration.ConfigurationElement element)
        {
            return ((CustomElement)element).Name;
        }
    }

    /// <summary>
    /// 構成ファイル内のカスタム構成要素を表します。
    /// </summary>
    public class CustomElement : System.Configuration.ConfigurationElement
    {
        [System.Configuration.ConfigurationProperty("name", IsKey = true, IsRequired = true)]
        public string Name
        {
            get { return (string)base["name"]; }
            set { base["name"] = value; }
        }

        [System.Configuration.ConfigurationProperty("url", IsRequired = true)]
        public string Url
        {
            get { return (string)base["url"]; }
            set { base["url"] = value; }
        }

        [System.Configuration.ConfigurationProperty("port", DefaultValue = (int)443, IsRequired = false)]
        [System.Configuration.IntegerValidator(MinValue = 0, MaxValue = 65535, ExcludeRange = false)]
        public int Port
        {
            get { return (int)base["port"]; }
            set { base["port"] = value; }
        }
    }

}

/* ** 構成ファイルの記載例 **
<?xml version="1.0"?>
<configuration>
  <configSections>
    <section name="CustomSection" type="ScrapCode.DotNet.Configuration.CustomSection, ConsoleApplication" />
  </configSections>

  <CustomSection stringValue="default.txt" integerValue="1000" timeSpanValue="00:15:00">
    <urls>
      <add name="sample" url="https://example.com/" port="443" />
    </urls>
  </CustomSection>
</configuration>
*/
/* ** アプリケーションからの参照例 **
class Program
{
    static void Main(string[] args)
    {
        ScrapCode.DotNet.Configuration.CustomSection config =
            (ScrapCode.DotNet.Configuration.CustomSection)ConfigurationManager.GetSection("CustomSection");
        System.Console.Out.Write("stringValue=");System.Console.Out.WriteLine(config.StringValue);
        System.Console.Out.Write("integerValue=");System.Console.Out.WriteLine(config.IntegerValue);
        System.Console.Out.Write("timeSpanValue=");System.Console.Out.WriteLine(config.TimeSpanValue);
        foreach (ScrapCode.DotNet.Configuration.CustomElement url in config.Urls)
        {
            System.Console.Out.Write("- name="); System.Console.Out.Write(url.Name);
            System.Console.Out.Write(", url="); System.Console.Out.Write(url.Url);
            System.Console.Out.Write(", port="); System.Console.Out.Write(url.Port);
            System.Console.Out.WriteLine();
        }
    }
}
*/