namespace OINA.Extender.Testharness
{
    using System;
    using System.Drawing;
    using System.Windows;
    using System.Windows.Forms;
    using OINA.Extender.Controls.Styles;

    /// <summary>
    /// The PeriodicTable Visual settings form
    /// </summary>
    public partial class PeriodicTableVisualSettings : Form
    {
        /// <summary>
        /// Gets or sets the background colour 
        /// </summary>
        private static Color BackgroundColor
        {
            get { return ColorConverter.Convert(PeriodicTableStyle.BackgroundColor); }
            set { PeriodicTableStyle.BackgroundColor = ColorConverter.Convert(value); }
        }

        /// <summary>
        /// Gets or sets the color of the included element.
        /// </summary>
        private static Color IncludedElementColor
        {
            get { return ColorConverter.Convert(PeriodicTableStyle.ElementIncludeBackgroundColor); }
            set { PeriodicTableStyle.ElementIncludeBackgroundColor = ColorConverter.Convert(value); }
        }

        /// <summary>
        /// Gets or sets the color of the excluded element.
        /// </summary>
        private static Color ExcludedElementColor
        {
            get { return ColorConverter.Convert(PeriodicTableStyle.ElementExcludeBackgroundColor); }
            set { PeriodicTableStyle.ElementExcludeBackgroundColor = ColorConverter.Convert(value); }
        }

        /// <summary>
        /// Gets or sets the color of the idle element.
        /// </summary>
        private static Color IdleElementColor
        {
            get { return ColorConverter.Convert(PeriodicTableStyle.ElementIdleBackgroundColor); }
            set { PeriodicTableStyle.ElementIdleBackgroundColor = ColorConverter.Convert(value); }
        }

        /// <summary>
        /// Gets or sets the color of the element highlight.
        /// </summary>
        private static Color ElementHighlightColor
        {
            get { return ColorConverter.Convert(PeriodicTableStyle.ElementHighlightColor); }
            set { PeriodicTableStyle.ElementHighlightColor = ColorConverter.Convert(value); }
        }

        /// <summary>
        /// Gets or sets the color of the element border.
        /// </summary>
        private static Color ElementBorderColor
        {
            get { return ColorConverter.Convert(PeriodicTableStyle.ElementBorderColor); }
            set { PeriodicTableStyle.ElementBorderColor = ColorConverter.Convert(value); }
        }

        /// <summary>
        /// Gets or sets the color of the element font.
        /// </summary>
        private static Color ElementFontColor
        {
            get { return ColorConverter.Convert(PeriodicTableStyle.ElementFontColor); }
            set { PeriodicTableStyle.ElementFontColor = ColorConverter.Convert(value); }
        }

        /// <summary>
        /// Initializes a new instance of the <see cref="PeriodicTableVisualSettings"/> class.
        /// </summary>
        public PeriodicTableVisualSettings()
        {
            this.InitializeComponent();

            this.UpdatePanelColors();

            this.InitializeCombos();

            this.UpdateCombos();

            this.backgroundColorComboBox.SelectedValueChanged += this.BackgroundColorComboBox_SelectedValueChanged;
            this.includedElementColorComboBox.SelectedValueChanged += this.IncludedElementColorComboBox_SelectedValueChanged;
            this.excludedElementsColorComboBox.SelectedValueChanged += this.ExcludedElementsColorComboBox_SelectedValueChanged;
            this.idleElementColorComboBox.SelectedValueChanged += this.UnsetElementColorComboBox_SelectedValueChanged;
            this.elementHighlightColorComboBox.SelectedValueChanged += this.ElementHighlightColorComboBox_SelectedValueChanged;
            this.elementBorderColorComboBox.SelectedValueChanged += this.ElementBorderColorComboBox_SelectedValueChanged;

            this.fontFamilyComboBox.SelectedValueChanged += this.FontFamilyComboBox_SelectedValueChanged;
            this.fontStyleComboBox.SelectedValueChanged += this.FontStyleComboBox_SelectedValueChanged;
            this.fontSizeComboBox.SelectedValueChanged += this.FontSizeComboBox_SelectedValueChanged;
            this.elementFontColorComboBox.SelectedIndexChanged += this.ElementFontColorComboBox_SelectedIndexChanged;
        }

        /// <summary>
        /// Fills the combos with items
        /// </summary>
        private void InitializeCombos()
        {
            this.backgroundColorComboBox.DataSource = ColorConverter.GetSystemDrawingColors();
            this.includedElementColorComboBox.DataSource = ColorConverter.GetSystemDrawingColors();
            this.excludedElementsColorComboBox.DataSource = ColorConverter.GetSystemDrawingColors();
            this.idleElementColorComboBox.DataSource = ColorConverter.GetSystemDrawingColors();
            this.elementBorderColorComboBox.DataSource = ColorConverter.GetSystemDrawingColors();
            this.elementHighlightColorComboBox.DataSource = ColorConverter.GetSystemDrawingColors();
            this.elementFontColorComboBox.DataSource = ColorConverter.GetSystemDrawingColors();

            this.fontFamilyComboBox.DataSource = System.Windows.Media.Fonts.SystemFontFamilies;
            this.fontFamilyComboBox.SelectedItem = PeriodicTableStyle.PeriodicTableFontFamily;
            this.fontSizeComboBox.SelectedItem = PeriodicTableStyle.PeriodicTableFontSize;

            this.fontStyleComboBox.DataSource = new[]
            {
                FontStyles.Normal,
                FontStyles.Italic,
                FontStyles.Oblique
            };

            this.fontSizeComboBox.DataSource = new[] { 8d, 10d, 12d, 14d, 16d };
        }

        /// <summary>
        /// Updates the combos selected items on load and after resetting styles
        /// </summary>
        private void UpdateCombos()
        {
            ColorConverter.PickColourComboItem(this.backgroundColorComboBox, BackgroundColor);
            ColorConverter.PickColourComboItem(this.includedElementColorComboBox, IncludedElementColor);
            ColorConverter.PickColourComboItem(this.excludedElementsColorComboBox, ExcludedElementColor);
            ColorConverter.PickColourComboItem(this.idleElementColorComboBox, IdleElementColor);
            ColorConverter.PickColourComboItem(this.elementBorderColorComboBox, ElementBorderColor);
            ColorConverter.PickColourComboItem(this.elementHighlightColorComboBox, ElementHighlightColor);

            this.fontFamilyComboBox.SelectedItem = PeriodicTableStyle.PeriodicTableFontFamily;
            this.fontStyleComboBox.SelectedItem = PeriodicTableStyle.PeriodicTableFontStyle;
            this.fontSizeComboBox.SelectedItem = PeriodicTableStyle.PeriodicTableFontSize;
            ColorConverter.PickColourComboItem(this.elementFontColorComboBox, ElementFontColor);
        }

        /// <summary>
        /// Updates the panel colors.
        /// </summary>
        private void UpdatePanelColors()
        {
            this.backgroundColorPanel.BackColor = BackgroundColor;
            this.includedElementsColorPanel.BackColor = IncludedElementColor;
            this.excludedElementsColorPanel.BackColor = ExcludedElementColor;
            this.unsetElementsColorPanel.BackColor = IdleElementColor;
            this.elementHighlightColorPanel.BackColor = ElementHighlightColor;
            this.elementBorderColorPanel.BackColor = ElementBorderColor;
            this.fontColorPanel.BackColor = ElementFontColor;
        }

        /// <summary>
        /// Handles the SelectedValueChanged event of the IncludedElementColorComboBox control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
        private void BackgroundColorComboBox_SelectedValueChanged(object sender, EventArgs e)
        {
            if (this.backgroundColorComboBox.SelectedValue != null)
            {
                BackgroundColor = (Color)this.backgroundColorComboBox.SelectedValue;
                this.UpdatePanelColors();
            }
        }

        /// <summary>
        /// Handles the SelectedValueChanged event of the IncludedElementColorComboBox control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
        private void IncludedElementColorComboBox_SelectedValueChanged(object sender, EventArgs e)
        {
            if (this.includedElementColorComboBox.SelectedValue != null)
            {
                IncludedElementColor = (Color)this.includedElementColorComboBox.SelectedValue;
                this.UpdatePanelColors();
            }
        }

        /// <summary>
        /// Handles the SelectedValueChanged event of the ExcludedElementsColorComboBox control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
        private void ExcludedElementsColorComboBox_SelectedValueChanged(object sender, EventArgs e)
        {
            if (this.excludedElementsColorComboBox.SelectedValue != null)
            {
                ExcludedElementColor = (Color)this.excludedElementsColorComboBox.SelectedValue;
                this.UpdatePanelColors();
            }
        }

        /// <summary>
        /// Handles the SelectedValueChanged event of the UnsetElementColorComboBox control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
        private void UnsetElementColorComboBox_SelectedValueChanged(object sender, EventArgs e)
        {
            if (this.idleElementColorComboBox.SelectedValue != null)
            {
                IdleElementColor = (Color)this.idleElementColorComboBox.SelectedValue;
                this.UpdatePanelColors();
            }
        }

        /// <summary>
        /// Handles the SelectedValueChanged event of the ElementHighlightColorComboBox control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
        private void ElementHighlightColorComboBox_SelectedValueChanged(object sender, EventArgs e)
        {
            if (this.elementHighlightColorComboBox.SelectedValue != null)
            {
                ElementHighlightColor = (Color)this.elementHighlightColorComboBox.SelectedValue;
                this.UpdatePanelColors();
            }
        }

        /// <summary>
        /// Handles the SelectedValueChanged event of the ElementBorderColorComboBox control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
        private void ElementBorderColorComboBox_SelectedValueChanged(object sender, EventArgs e)
        {
            if (this.elementBorderColorComboBox.SelectedValue != null)
            {
                ElementBorderColor = (Color)this.elementBorderColorComboBox.SelectedValue;
                this.UpdatePanelColors();
            }
        }

        /// <summary>
        /// Handles the SelectedIndexChanged event of the ElementFontColorComboBox control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
        private void ElementFontColorComboBox_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (this.elementFontColorComboBox.SelectedValue != null)
            {
                ElementFontColor = (Color)this.elementFontColorComboBox.SelectedValue;
                this.UpdatePanelColors();
            }
        }

        /// <summary>
        /// Handles the SelectedValueChanged event of the FontFamilyComboBox control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
        private void FontFamilyComboBox_SelectedValueChanged(object sender, EventArgs e)
        {
            if (this.fontFamilyComboBox.SelectedValue != null)
            {
                PeriodicTableStyle.PeriodicTableFontFamily = this.fontFamilyComboBox.SelectedValue as System.Windows.Media.FontFamily;
            }
        }

        /// <summary>
        /// Handles the SelectedValueChanged event of the FontStyleComboBox control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
        private void FontStyleComboBox_SelectedValueChanged(object sender, EventArgs e)
        {
            if (this.fontStyleComboBox.SelectedValue != null)
            {
                PeriodicTableStyle.PeriodicTableFontStyle = (System.Windows.FontStyle)this.fontStyleComboBox.SelectedValue;
            }
        }

        /// <summary>
        /// Handles the SelectedValueChanged event of the FontSizeComboBox control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
        private void FontSizeComboBox_SelectedValueChanged(object sender, EventArgs e)
        {
            if (this.fontSizeComboBox.SelectedValue != null)
            {
                PeriodicTableStyle.PeriodicTableFontSize = (double)this.fontSizeComboBox.SelectedValue;
            }
        }

        /// <summary>
        /// Handles the Click event of the ResetStyleButton control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
        private void ResetStyleButton_Click(object sender, EventArgs e)
        {
            PeriodicTableStyle.ResetStyles();
            this.UpdatePanelColors();
            this.UpdateCombos();
        }
    }
}