///
/// Copyright (c) 2013-2015 Sensus Metering Systems
///
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Config.Entities;
using TBF.Resources;

namespace TBF.TestWizard
{
	public partial class MethodSelection : Form
	{
		Test test;
		IList<BenchControl.GenericDevices.ITestMethod> methods;

		public MethodSelection()
		{
			InitializeComponent();
		}

		public MethodSelection(bool first, bool last,
							   Test test,
							   IList<BenchControl.GenericDevices.ITestMethod> methods)
			: this()
		{
			this.test = test;
			this.methods = methods;

			Text = Strings.Method_selection;
			testNameLabel.Text = Strings.Test_name;
			testMethodLabel.Text = Strings.Test_method;
			backButton.Text = Strings.BackBtnText;
			nextButton.Text = Strings.NextBtnText;
			cancelButton.Text = Strings.CancelBtnText;

			if (first) backButton.Visible = false;
			if (last) nextButton.Text = Strings.FinishBtnText;
		}

		private void MethodSelection_Load(object sender, EventArgs e)
		{
			if (test == null) return;

			foreach (var method in methods) testMethodComboBox.Items.Add(method.Cfg.Name);
	
			RefreshWizardPage();
		}

		void RefreshWizardPage()
		{
			testNameTextBox.Text = test.Name;
			nextButton.Enabled = IsFormValid();
		}

		void UpdateTest()
		{
			test.Name = testNameTextBox.Text;

			if (testMethodComboBox.Items.Contains(testMethodComboBox.Text))
			{
				test.Method = testMethodComboBox.Text;
			}
		}

		bool IsFormValid()
		{
			return testMethodComboBox.Items.Contains(testMethodComboBox.Text);
		}

		private void backButton_Click(object sender, EventArgs e)
		{
			if (test != null && IsFormValid()) UpdateTest();
			DialogResult = DialogResult.Retry;
			Close();
		}

		private void nextButton_Click(object sender, EventArgs e)
		{
			if (test != null && IsFormValid())
			{
				UpdateTest();
				DialogResult = DialogResult.OK;
				Close();
			}
			else
			{
				DialogResult = DialogResult.None;
			}
		}

		private void cancelButton_Click(object sender, EventArgs e)
		{
			DialogResult = DialogResult.Cancel;
			Close();
		}

		private void testMethodComboBox_TextChanged(object sender, EventArgs e)
		{
			nextButton.Enabled = IsFormValid();
		}

		private void sensorsComboBox_TextChanged(object sender, EventArgs e)
		{
			nextButton.Enabled = IsFormValid();
		}
	}
}