using System;
using System.Linq;
using System.Windows.Forms;

using BizHawk.Client.Common;
using BizHawk.Emulation.Cores.Computers.SinclairSpectrum;
using System.Text;

namespace BizHawk.Client.EmuHawk
{
	public partial class ZXSpectrumNonSyncSettings : Form
	{
		private ZXSpectrum.ZXSpectrumSettings _settings;
        private int bgColor;

		public ZXSpectrumNonSyncSettings()
		{
			InitializeComponent();
		}

		private void IntvControllerSettings_Load(object sender, EventArgs e)
		{
			_settings = ((ZXSpectrum)Global.Emulator).GetSettings().Clone();

            bgColor = _settings.BackgroundColor;

            SetBtnColor();

            checkBoxShowCoreBrdColor.Checked = _settings.UseCoreBorderForBackground;

            // OSD Message Verbosity
            var osdTypes = Enum.GetNames(typeof(ZXSpectrum.OSDVerbosity));     
            foreach (var val in osdTypes)
            {
                osdMessageVerbositycomboBox1.Items.Add(val);
            }
            osdMessageVerbositycomboBox1.SelectedItem = _settings.OSDMessageVerbosity.ToString();
            UpdateOSDNotes((ZXSpectrum.OSDVerbosity)Enum.Parse(typeof(ZXSpectrum.OSDVerbosity), osdMessageVerbositycomboBox1.SelectedItem.ToString()));
        }

        private void SetBtnColor()
        {
            var c = System.Drawing.Color.FromArgb(bgColor);
            buttonChooseBGColor.ForeColor = c;
            buttonChooseBGColor.BackColor = c;
        }

		private void OkBtn_Click(object sender, EventArgs e)
		{
            bool changed =                
                _settings.OSDMessageVerbosity.ToString() != osdMessageVerbositycomboBox1.SelectedItem.ToString() ||
                _settings.BackgroundColor != bgColor ||
                _settings.UseCoreBorderForBackground != checkBoxShowCoreBrdColor.Checked;

            if (changed)
			{
                _settings.OSDMessageVerbosity = (ZXSpectrum.OSDVerbosity)Enum.Parse(typeof(ZXSpectrum.OSDVerbosity), osdMessageVerbositycomboBox1.SelectedItem.ToString());
                _settings.BackgroundColor = bgColor;
                _settings.UseCoreBorderForBackground = checkBoxShowCoreBrdColor.Checked;

                GlobalWin.MainForm.PutCoreSettings(_settings);

                DialogResult = DialogResult.OK;
                Close();
			}
            else
            {
                DialogResult = DialogResult.OK;
                Close();
            }
		}

		private void CancelBtn_Click(object sender, EventArgs e)
		{
			GlobalWin.OSD.AddMessage("Misc settings aborted");
			DialogResult = DialogResult.Cancel;
			Close();
		}

        private void UpdateOSDNotes(ZXSpectrum.OSDVerbosity type)
        {
            switch (type)
            {
                case ZXSpectrum.OSDVerbosity.Full:
                    lblOSDVerbinfo.Text = "Show all OSD messages";
                    break;
                case ZXSpectrum.OSDVerbosity.Medium:
                    lblOSDVerbinfo.Text = "Only show machine/device generated messages";
                    break;
                case ZXSpectrum.OSDVerbosity.None:
                    lblOSDVerbinfo.Text = "No core-driven OSD messages";
                    break;
            }
        }

        private void OSDComboBox_SelectionChangeCommitted(object sender, EventArgs e)
        {
            ComboBox cb = sender as ComboBox;
            UpdateOSDNotes((ZXSpectrum.OSDVerbosity)Enum.Parse(typeof(ZXSpectrum.OSDVerbosity), cb.SelectedItem.ToString()));
        }

        private void buttonChooseBGColor_Click(object sender, EventArgs e)
        {
            var currColor = _settings.BackgroundColor;
            System.Drawing.Color c = System.Drawing.Color.FromArgb(currColor);
            ColorDialog cd = new ColorDialog();

            System.Drawing.Color[] colors = new System.Drawing.Color[]
            {
                System.Drawing.Color.FromArgb(0x00, 0x00, 0x00),
                System.Drawing.Color.FromArgb(0x00, 0x00, 0xD7),
                System.Drawing.Color.FromArgb(0xD7, 0x00, 0xD7),
                System.Drawing.Color.FromArgb(0x00, 0xD7, 0x00),
                System.Drawing.Color.FromArgb(0x00, 0xD7, 0xD7),
                System.Drawing.Color.FromArgb(0xD7, 0xD7, 0x00),
                System.Drawing.Color.FromArgb(0xD7, 0xD7, 0xD7),
                System.Drawing.Color.FromArgb(0x00, 0x00, 0xFF),
                System.Drawing.Color.FromArgb(0x00, 0x00, 0x00),
                System.Drawing.Color.FromArgb(0x00, 0x00, 0xFF),
                System.Drawing.Color.FromArgb(0xFF, 0x00, 0x00),
                System.Drawing.Color.FromArgb(0xFF, 0x00, 0xFF),
                System.Drawing.Color.FromArgb(0x00, 0xFF, 0x00),
                System.Drawing.Color.FromArgb(0x00, 0xFF, 0xFF),
                System.Drawing.Color.FromArgb(0xFF, 0xFF, 0x00),
                System.Drawing.Color.FromArgb(0xFF, 0xFF, 0xFF),
            };

            cd.CustomColors = new int[]
            {
                System.Drawing.ColorTranslator.ToOle(colors[0]),
                System.Drawing.ColorTranslator.ToOle(colors[1]),
                System.Drawing.ColorTranslator.ToOle(colors[2]),
                System.Drawing.ColorTranslator.ToOle(colors[3]),
                System.Drawing.ColorTranslator.ToOle(colors[4]),
                System.Drawing.ColorTranslator.ToOle(colors[5]),
                System.Drawing.ColorTranslator.ToOle(colors[6]),
                System.Drawing.ColorTranslator.ToOle(colors[7]),
                System.Drawing.ColorTranslator.ToOle(colors[8]),
                System.Drawing.ColorTranslator.ToOle(colors[9]),
                System.Drawing.ColorTranslator.ToOle(colors[10]),
                System.Drawing.ColorTranslator.ToOle(colors[11]),
                System.Drawing.ColorTranslator.ToOle(colors[12]),
                System.Drawing.ColorTranslator.ToOle(colors[13]),
                System.Drawing.ColorTranslator.ToOle(colors[14]),
                System.Drawing.ColorTranslator.ToOle(colors[15]),
            };

            cd.Color = c;

            if (cd.ShowDialog() == DialogResult.OK)
            {
                var color = cd.Color;
                var col = color.ToArgb();
                bgColor = col;

                SetBtnColor();
            }
        }
    }
}