//	Spludlow Software
//	Copyright © Samuel P. Ludlow 2020 All Rights Reserved
//	Distributed under the terms of the GNU General Public License version 3
//	Distributed WITHOUT ANY WARRANTY; without implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE
//	https://www.spludlow.co.uk/LICENCE.TXT
//	The Spludlow logo is a registered trademark of Samuel P. Ludlow and may not be used without permission
//	v1.14

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;

using System.Text;
using System.IO;

public partial class DisplayData : System.Web.UI.UserControl
{
	private DataSet _DataSet;

	public void Display(string[] paramterPair, string dataSetLinkTemplate)
	{
		if (paramterPair[0].StartsWith("@") == true)
		{
			this.LiteralXML.Text = Spludlow.Text.FixNewLines(paramterPair[1], "<br />", true);
		}

		object data = Spludlow.Parameters.DecodeParameter(paramterPair);

		this.Display(data, dataSetLinkTemplate);
	}

	public void Display(object data)
	{
		this.Display(data, null);
	}

	private string _DataSetLinkTemplate = null;
	private int _DataSetIndex = 0;

	public void Display(object data, string dataSetLinkTemplate)
	{
		this._DataSetLinkTemplate = dataSetLinkTemplate;
		this._DataSetIndex = 0;

		this.Literal1.Visible = true;
		
		if (data == null)
		{
			this.Literal1.Text = "NULL";
			return;
		}

		Type type = data.GetType();

		if (typeof(DataSet).IsAssignableFrom(type) == true)
		{
			this.DataListDataSet.Visible = true;
			this.Literal1.Visible = false;

			this._DataSet = (DataSet)data;

			DataTable tables = Spludlow.Data.TextTable.ReadText(new string[]
			{
				"TableName",
				"String*",
			});

			foreach (DataTable table in this._DataSet.Tables)
				tables.Rows.Add(table.TableName);

			this.DataListDataSet.DataSource = tables;
			this.DataListDataSet.DataBind();

			return;
		}

		if (type == typeof(Spludlow.CallSet))
		{
			Spludlow.CallSet callSet = (Spludlow.CallSet)data;

			this.Literal1.Text = this._WebLines(callSet.Write2());
			return;
		}

		if (Spludlow.SimpleEncoding.IsSimple(type) == true)
		{
			string text = Spludlow.SimpleEncoding.Encode(data, type.Name);

			text = HttpUtility.HtmlEncode(text);

			if (type.Name.EndsWith("[]") == true)
				text = text.Replace("\t", Environment.NewLine);

			text = this._WebLines(text);

			this.Literal1.Text = text;
			return;
		}

		this.Literal1.Text = Convert.ToString(data);

	}

	private string _WebLines(string data)
	{
		StringBuilder text = new StringBuilder();

		using (StringReader reader = new StringReader(data))
		{
			string line;
			while ((line = reader.ReadLine()) != null)
			{
				text.Append(line);
				text.AppendLine("<br />");
			}
		}
		return text.ToString();
	}

    protected void Page_Load(object sender, EventArgs e)
    {
    }
	protected void DataListDataSet_ItemDataBound(object sender, DataListItemEventArgs e)
	{
		DataRow tableRow = ((DataRowView)e.Item.DataItem).Row;

		string tableName = (string)tableRow["TableName"];

		GridView gridView = (GridView)e.Item.FindControl("GridViewTable");

		HyperLink hyperLink = (HyperLink)e.Item.FindControl("HyperLinkTable");

		hyperLink.Text = tableName + " (" + this._DataSet.Tables[tableName].Rows.Count + ")";

		if (this._DataSetLinkTemplate != null)
		{
			hyperLink.NavigateUrl = this._DataSetLinkTemplate.Replace("@", this._DataSetIndex.ToString());

			++this._DataSetIndex;
		}

		gridView.DataSource = this._DataSet.Tables[tableName];
		gridView.DataBind();
	}
}