using System.Data;

namespace Connected.ServiceModel.Client.Data;
internal sealed class DataParameterCollection : List<IDbDataParameter>, IDataParameterCollection
{
	public object this[string parameterName]
	{
		get
		{
			foreach (var parameter in this)
			{
				if (string.Equals(parameter.ParameterName, parameterName, StringComparison.OrdinalIgnoreCase))
					return parameter;
			}

			throw new NullReferenceException(nameof(IDbDataParameter));
		}
		set
		{
			if (value is not IDbDataParameter parameter)
				throw new InvalidCastException(nameof(IDbDataParameter));

			var idx = IndexOf(parameterName);

			if (idx < 0)
				throw new NullReferenceException(nameof(IDbDataParameter));

			this[idx] = parameter;
		}
	}

	public bool Contains(string parameterName)
	{
		foreach (var parameter in this)
		{
			if (string.Equals(parameter.ParameterName, parameterName, StringComparison.OrdinalIgnoreCase))
				return true;
		}

		return false;
	}

	public int IndexOf(string parameterName)
	{
		for (var i = 0; i < Count; i++)
		{
			var current = this[i];

			if (string.Equals(current.ParameterName, parameterName, StringComparison.OrdinalIgnoreCase))
				return i;
		}

		return -1;
	}

	public void RemoveAt(string parameterName)
	{
		if (this[parameterName] is IDbDataParameter target)
			Remove(target);
	}
}