using System;
using System.Collections.Generic;
using System.Windows.Forms;
using TBF.BenchControl.Generic;
using TBF.Resources;

namespace TBF.UiControls
{
	//          -----------
	//         / Component \
	//        |------------------------------
	//        | param1  param2  param3  ...
	//  Test1 |
	//  Test2 |
	//   ...  |
	//
	public partial class TestParamsCtrl : UserControl
	{
		ProcedureDlg parent;
		bool showTestsColumn;
		BenchControl.Generic.IComponent cmpnt;

		IList<IParamsProvider> testParamsProviders;

		int paramsCount;

		Control[] editors;

		bool unlocked;
		public void Unlock(){ unlocked = true; }

		public TestParamsCtrl()
		{
			InitializeComponent();
			testParamsProviders = new List<IParamsProvider>();
		}

		public TestParamsCtrl(ProcedureDlg parent, BenchControl.Generic.IComponent cmpnt, bool showTestsColumn)
			: this()
		{
			this.parent = parent;
			this.showTestsColumn = showTestsColumn;
			this.cmpnt = cmpnt;
			unlocked = false;

			this.SuspendLayout();
			Dock = System.Windows.Forms.DockStyle.Fill;
			listViewEx.Dock = System.Windows.Forms.DockStyle.Fill;
			listViewEx.AllowColumnReorder = false;
			listViewEx.DoubleClickActivation = false;
			listViewEx.FullRowSelect = true;
			listViewEx.GridLines = true;
			listViewEx.Location = new System.Drawing.Point(0, 0);
			listViewEx.TabIndex = 0;
			listViewEx.UseCompatibleStateImageBehavior = false;
			listViewEx.View = System.Windows.Forms.View.Details;
			ResumeLayout(false);
		}

		public void Initialize()
		{
			IParamsProvider sampleToCreateHeader = null;

			/// For each test (with an appropriate method in case of ITestMethod-s)
			foreach (var test in parent.LoadedProcedure.Tests)
			{
				if ((cmpnt.Cfg.GetTestParams() != null) &&
					(!(cmpnt is BenchControl.GenericDevices.ITestMethod) || (test.Method == cmpnt.Cfg.Name)))
				{
					/// Load ComponentTest entity or create it if it does not exist
					IParamsProvider testParams = cmpnt.Cfg.CreateTestParams(test);
					if (sampleToCreateHeader == null) sampleToCreateHeader = testParams;
					testParamsProviders.Add(testParams);
				}
				else
				{
					/// In case of ITestMethod: Insert null for a test without an appropriate method.
					testParamsProviders.Add(null);
				}
			}

			/// Create the header
			if (sampleToCreateHeader != null)
			{
				if (showTestsColumn) listViewEx.Columns.Add(Strings.Test, 70);

				paramsCount = sampleToCreateHeader.ParamsCount();
				editors = new Control[paramsCount];
				for (int i = 0; i < paramsCount; i++)
				{
					listViewEx.Columns.Add(sampleToCreateHeader.ParamName(i), 90);
					editors[i] = new TextBox();
					this.Controls.Add(editors[i]);
				}
			}

			listViewEx.SubItemClicked += new SubItemEventHandler(listViewEx_SubItemClicked);
			listViewEx.SubItemEndEditing += new SubItemEndEditingEventHandler(listViewEx_SubItemEndEditing);

			RedrawAll();
		}

		private void listViewEx_SubItemClicked(object sender, SubItemEventArgs e)
		{
			int itemNr = showTestsColumn ? (e.SubItem - 1) : e.SubItem;

			if (!unlocked || e.Item.Tag == null || itemNr >= editors.Length || itemNr < 0) return;
			listViewEx.StartEditing(editors[itemNr], e.Item, e.SubItem);
		}

		private void listViewEx_SubItemEndEditing(object sender, SubItemEndEditingEventArgs e)
		{
			string message;
			int itemNr = showTestsColumn ? (e.SubItem - 1) : e.SubItem;

			if ((e.Item.Tag as IParamsProvider).ValidateParam(itemNr, e.DisplayText, out message))
			{
				(e.Item.Tag as IParamsProvider).UpdateParam(itemNr, e.DisplayText);
			}
		}

		public void RedrawAll()
		{
			listViewEx.Items.Clear();
            for (int i = 0; i < testParamsProviders.Count && i < parent.LoadedProcedure.Tests.Count; i++)
			{
				DrawOne(testParamsProviders[i], parent.LoadedProcedure.Tests[i].Name);
			}
		}

		void DrawOne(IParamsProvider item, string testName)
		{
			if (item == null)
			{
				listViewEx.Items.Add(new ListViewItem());
				return;
			}

			ListViewItem lvi;
			if (showTestsColumn)
			{
				lvi = new ListViewItem(testName);
				lvi.SubItems.Add(item.ToString(0));
			}
			else
			{
				lvi = new ListViewItem(item.ToString(0));
			}
			for (int i = 1; i < paramsCount; i++) lvi.SubItems.Add(item.ToString(i));

			lvi.Tag = item;
			listViewEx.Items.Add(lvi);
		}

		public void AddOne(Entities.Test test)
		{
			if (test.Method == cmpnt.Cfg.Name)
			{
				Entities.ComponentTest entity = new Entities.ComponentTest();
				entity.CmpntName = test.Method;
				entity.Test = test;
				IParamsProvider testParams =
					new BenchControl.TestMethods.CombinedWithDetection.CombinedWithDetTestParams(entity, cmpnt.Cfg.Name, test);
				testParamsProviders.Add(testParams);
				DrawOne(testParams, test.Name);
			}
			else
			{
				testParamsProviders.Add(null);
				DrawOne(null, null);
			}
		}

		public void UpdateAll()
		{
			if (!unlocked) return;

			foreach (ListViewItem lvi in listViewEx.Items)
			{
				if (lvi.Tag is IParamsProvider) (lvi.Tag as IParamsProvider).UpdateDbEntity();
			}
		}
	}
}