///
/// Copyright (c) 2017 Sensus Metering Systems
///
using System;
using System.Windows.Forms;
using TBF.Resources;

namespace TBF.TestWizard
{
	public partial class Roi3 : Form
	{
		RoiData roiData;


		public Roi3()
		{
			InitializeComponent();
		}

		public Roi3(bool first, bool last, RoiData roiData)
			: this()
		{
			this.roiData = roiData;

			Text = Strings.ROI_Data;
			pulsesPerLiterLabel.Text = Strings.PulsesPerLtr;
			directionLabel.Text = Strings.Turning_direction;

			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 Roi3_Load(object sender, EventArgs e)
		{
			if (roiData == null) return;

			directionComboBox.Items.Add(Strings.Clockwise);
			directionComboBox.Items.Add(Strings.Counterclockwise);

			RefreshWizardPage();
		}

		void RefreshWizardPage()
		{
			pulsesPerLiterTextBox.Text = roiData.PulsesPerLiter.ToString();
			directionComboBox.Text = (roiData.Direction == TurningDirection.Clockwise) ? Strings.Clockwise : Strings.Counterclockwise;

			nextButton.Enabled = IsFormValid();
		}

		void UpdateTest()
		{
			roiData.PulsesPerLiter = Utils.ParseUDouble(pulsesPerLiterTextBox.Text);
			roiData.Direction = (directionComboBox.Text == Strings.Clockwise) ? TurningDirection.Clockwise : TurningDirection.Counterclockwise;
		}

		bool IsFormValid()
		{
			double dummy;
			return Utils.TryParseUDouble(pulsesPerLiterTextBox.Text, out dummy) &&
				   directionComboBox.Items.Contains(directionComboBox.Text);
		}

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

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

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

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