using Microsoft.Xna.Framework;

namespace MonoGame.Extended.Tilemaps
{
    /// <summary>
    /// Represents a text object in a tilemap.
    /// </summary>
    /// <remarks>
    /// Text objects store text display information. Rendering is the user's responsibility.
    /// </remarks>
    public class TilemapTextObject : TilemapObject
    {
        /// <summary>
        /// Gets or sets the bounding size for the text.
        /// </summary>
        public Vector2 Size { get; set; }

        /// <summary>
        /// Gets or sets the text content.
        /// </summary>
        public string Text { get; set; }

        /// <summary>
        /// Gets or sets the font family name.
        /// </summary>
        public string FontFamily { get; set; }

        /// <summary>
        /// Gets or sets the font size in pixels.
        /// </summary>
        public int PixelSize { get; set; }

        /// <summary>
        /// Gets or sets a value indicating whether the text is bold.
        /// </summary>
        public bool Bold { get; set; }

        /// <summary>
        /// Gets or sets a value indicating whether the text is italic.
        /// </summary>
        public bool Italic { get; set; }

        /// <summary>
        /// Gets or sets a value indicating whether the text is underlined.
        /// </summary>
        public bool Underline { get; set; }

        /// <summary>
        /// Gets or sets a value indicating whether the text is struck through.
        /// </summary>
        public bool Strikethrough { get; set; }

        /// <summary>
        /// Gets or sets the text color.
        /// </summary>
        public Color Color { get; set; }

        /// <summary>
        /// Gets or sets a value indicating whether text wraps within the bounding box.
        /// </summary>
        public bool WordWrap { get; set; }

        /// <summary>
        /// Gets or sets the horizontal alignment of the text.
        /// </summary>
        public TilemapTextObjectHorizontalAlignment HorizontalAlign { get; set; }

        /// <summary>
        /// Gets or sets the vertical alignment of the text.
        /// </summary>
        public TilemapTextObjectVerticalAlignment VerticalAlign { get; set; }

        /// <inheritdoc/>
        public override RectangleF Bounds
        {
            get
            {
                return new RectangleF(Position.X, Position.Y, Size.X, Size.Y);
            }
        }

        // NOTE: Will use BoundingBox2D

        /// <summary>
        /// Initializes a new instance of the <see cref="TilemapTextObject"/> class.
        /// </summary>
        /// <param name="id">The unique identifier for the object.</param>
        /// <param name="position">The position of the text.</param>
        /// <param name="size">The bounding size for the text.</param>
        /// <param name="text">The text content.</param>
        public TilemapTextObject(int id, Vector2 position, Vector2 size, string text) : base(id, position)
        {
            Size = size;
            Text = text;
            FontFamily = "sans-serif";
            PixelSize = 16;
            Color = Color.Black;
            HorizontalAlign = TilemapTextObjectHorizontalAlignment.Left;
            VerticalAlign = TilemapTextObjectVerticalAlignment.Top;
        }
    }

    /// <summary>
    /// Specifies horizontal text alignment.
    /// </summary>
    public enum TilemapTextObjectHorizontalAlignment
    {
        /// <summary>
        /// Align text to the left.
        /// </summary>
        Left,

        /// <summary>
        /// Center text horizontally.
        /// </summary>
        Center,

        /// <summary>
        /// Align text to the right.
        /// </summary>
        Right,

        /// <summary>
        /// Justify text to fill the width.
        /// </summary>
        Justify
    }

    /// <summary>
    /// Specifies vertical text alignment.
    /// </summary>
    public enum TilemapTextObjectVerticalAlignment
    {
        /// <summary>
        /// Align text to the top.
        /// </summary>
        Top,

        /// <summary>
        /// Center text vertically.
        /// </summary>
        Center,

        /// <summary>
        /// Align text to the bottom.
        /// </summary>
        Bottom
    }
}