using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace BismNormalizer.TabularCompare.UI
{
    public partial class ValidationOutputButtons : UserControl
    {
        //complete fudge to look like the VS Error List window (tabcontrol doesn't support button multiselection)

        private ValidationOutputButton _informationalMessageButton = new ValidationOutputButton();
        private ValidationOutputButton _warningsButton = new ValidationOutputButton();
        private Panel _fillerPanel = new Panel();
        private int _informationalMessageCount = 0;
        private int _warningCount = 0;

        public event EventHandler InformationalMessageValueChangedHandler;
        public delegate void InformationalMessageValueChangedDelegate(object sender, EventArgs e);
        public event EventHandler WarningValueChangedHandler;
        public delegate void WarningValueChangedDelegate(object sender, EventArgs e);
        
        public ValidationOutputButtons()
        {
            InitializeComponent();
        }

        private void ValidationOutput_Load(object sender, EventArgs e)
        {
            _warningsButton.Height = 25;
            _warningsButton.WarningImage = true;
            _warningsButton.ValueChangedHandler += new EventHandler(WarningsButton_ValueChangedHandler);
            this.Controls.Add(_warningsButton);

            _informationalMessageButton.Height = 25;
            _informationalMessageButton.WarningImage = false;
            _informationalMessageButton.ValueChangedHandler += new EventHandler(InformationalMessageButton_ValueChangedHandler);
            this.Controls.Add(_informationalMessageButton);

            _informationalMessageButton.BringToFront();

            this.Controls.Add(_fillerPanel);

            _fillerPanel.BringToFront();

            ScaleButtons();
        }

        void InformationalMessageButton_ValueChangedHandler(object sender, EventArgs e)
        {
            if (InformationalMessageValueChangedHandler != null)
            {
                InformationalMessageValueChangedHandler(this, e);
            }
        }

        void WarningsButton_ValueChangedHandler(object sender, EventArgs e)
        {
            if (WarningValueChangedHandler != null)
            {
                WarningValueChangedHandler(this, null);
            }
        }

        public int InformationalMessageCount
        {
            get
            {
                return _informationalMessageCount;
            }
            set
            {
                _informationalMessageCount = value;
                ScaleButtons();
            }
        }

        public int WarningCount
        {
            get
            {
                return _warningCount;
            }
            set
            {
                _warningCount = value;
                ScaleButtons();
            }
        }

        public bool InformationalMessagesVisible
        {
            get
            {
                return _informationalMessageButton.Selected;
            }
            set
            {
                _informationalMessageButton.Selected = value;
            }
        }

        public bool WarningsVisible
        {
            get
            {
                return _warningsButton.Selected;
            }
            set
            {
                _warningsButton.Selected = value;
            }
        }

        private float _hpiScaleFactor = 1;
        public float HpiScaleFactor
        {
            get { return _hpiScaleFactor; }
            set { _hpiScaleFactor = value; }
        }

        private void ScaleButtons()
        {
            int pixelsPerDigit = 6;

            string warningCount = Convert.ToString(_warningCount);
            _warningsButton.Text = warningCount + " Warnings";

            string informationalMessageCount = Convert.ToString(_informationalMessageCount);
            _informationalMessageButton.Text = informationalMessageCount + " Informational Messages";

            //---------------------------------------------------------------
            //The width and hieght of the "buttons" (it's really a tab strip) cannot be set; they are automatic based on font size & how much text is in them.
            //All you can do is set the left position of the "informational messages" button to hide the hidden counter button for the warning button (that is pressed when warning is depressed),
            //and the left position of the filler panel that covers up the hidden button that is pressed when informational is not - so it looks like 2 buttons
            //---------------------------------------------------------------

            //where "informational messages" button starts
            _informationalMessageButton.Left = Convert.ToInt32(92 * _hpiScaleFactor) + pixelsPerDigit * warningCount.Length;

            //where "informational messages" button ends
            //5/15/2018: was ToInt32(268 * _hpiScaleFactor)
            _fillerPanel.Left = Convert.ToInt32(250 * _hpiScaleFactor) + (pixelsPerDigit * warningCount.Length) + (pixelsPerDigit * informationalMessageCount.Length);
        }
    }
}