using System;
using System.Web.UI;
using System.Web.UI.WebControls;
// using uComponents.DataTypes.Shared.Extensions;
// using uComponents.DataTypes.Shared.PrevalueEditors;
using umbraco.cms.businesslogic.datatype;

namespace umbraco.editorControls.MultipleTextstring
{
	/// <summary>
	/// The PreValue Editor for the Multiple Textstring data-type.
	/// </summary>
	public class MultipleTextstringPrevalueEditor : AbstractJsonPrevalueEditor
	{
		/// <summary>
		/// The TextBox control for the maximum value of the control.
		/// </summary>
		private TextBox TextBoxMaximum;

		/// <summary>
		/// The TextBox control for the minimum value of the control.
		/// </summary>
		private TextBox TextBoxMinimum;

		/// <summary>
		/// Initializes a new instance of the <see cref="MultipleTextstringPrevalueEditor"/> class.
		/// </summary>
		/// <param name="dataType">Type of the data.</param>
        public MultipleTextstringPrevalueEditor(umbraco.cms.businesslogic.datatype.BaseDataType dataType)
            : base(dataType, umbraco.cms.businesslogic.datatype.DBTypes.Ntext)
		{
		}

		/// <summary>
		/// Saves this instance.
		/// </summary>
		public override void Save()
		{
			// set the options
			var options = new MultipleTextstringOptions(true);

			// parse the maximum
			int maximum;
			if (int.TryParse(this.TextBoxMaximum.Text, out maximum))
			{
				if (maximum == 0)
				{
					maximum = -1;
				}

				options.Maximum = maximum;
			}

			// parse the minimum
			int minimum;
			if (int.TryParse(this.TextBoxMinimum.Text, out minimum))
			{
				if (minimum == 0)
				{
					minimum = -1;
				}

				options.Minimum = minimum;
			}

			// save the options as JSON
			this.SaveAsJson(options);
		}

		/// <summary>
		/// Called by the ASP.NET page framework to notify server controls that use composition-based implementation to create any child controls they contain in preparation for posting back or rendering.
		/// </summary>
		protected override void CreateChildControls()
		{
			base.CreateChildControls();

			// set-up child controls
			this.TextBoxMaximum = new TextBox() { ID = "Maximum", CssClass = "guiInputText" };
			this.TextBoxMinimum = new TextBox() { ID = "Minimum", CssClass = "guiInputText" };

			// add the child controls
			this.Controls.AddPrevalueControls(this.TextBoxMaximum, this.TextBoxMinimum);
		}

		/// <summary>
		/// Raises the <see cref="E:System.Web.UI.Control.Load"/> event.
		/// </summary>
		/// <param name="e">The <see cref="T:System.EventArgs"/> object that contains the event data.</param>
		protected override void OnLoad(EventArgs e)
		{
			base.OnLoad(e);

			// get PreValues, load them into the controls.
			var options = this.GetPreValueOptions<MultipleTextstringOptions>();

			// no options? use the default ones.
			if (options == null)
			{
				options = new MultipleTextstringOptions(true);
			}

			// set the values
			this.TextBoxMaximum.Text = options.Maximum.ToString();
			this.TextBoxMinimum.Text = options.Minimum.ToString();
		}

		/// <summary>
		/// Renders the contents of the control to the specified writer. This method is used primarily by control developers.
		/// </summary>
		/// <param name="writer">A <see cref="T:System.Web.UI.HtmlTextWriter"/> that represents the output stream to render HTML content on the client.</param>
		protected override void RenderContents(HtmlTextWriter writer)
		{
			// add property fields
			writer.AddPrevalueRow("Minimum:", "Minimum number of rows to display.", this.TextBoxMinimum);
			writer.AddPrevalueRow("Maximum:", "Maximum number of rows to display.", this.TextBoxMaximum);
		}
	}
}