using System;
using System.Collections.Generic;
using System.Text;

namespace ElmSharp.Wearable
{
    /// <summary>
    /// The CircleSurface presents a surface for drawing the circular feature of circle widgets.
    /// </summary>
    /// <since_tizen> preview </since_tizen>
    public class CircleSurface
    {
        IntPtr _handle;

        /// <summary>
        /// Creates and initializes a new instance of the CircleSurface class with a surface on the Conformant widget.
        /// </summary>
        /// <param name="conformant">The Conformant widget to create a surface.</param>
        /// <since_tizen> preview </since_tizen>
        public CircleSurface(Conformant conformant)
        {
            _handle = Interop.Eext.eext_circle_surface_conformant_add(conformant);
        }

        /// <summary>
        /// Creates and initializes a new instance of the CircleSurface class with a surface on the Layout widget.
        /// </summary>
        /// <param name="layout">The Layout widget to create a surface.</param>
        /// <since_tizen> preview </since_tizen>
        public CircleSurface(Layout layout)
        {
            _handle = Interop.Eext.eext_circle_surface_layout_add(layout);
        }

        /// <summary>
        /// Creates and initializes a new instance of the CircleSurface class with a surface on the Naviframe widget.
        /// </summary>
        /// <param name="naviframe">The Naviframe widget to create a surface.</param>
        /// <since_tizen> preview </since_tizen>
        public CircleSurface(Naviframe naviframe)
        {
            _handle = Interop.Eext.eext_circle_surface_naviframe_add(naviframe.RealHandle);
        }

        /// <summary>
        /// Creates and initializes a new instance of the CircleSurface class with no surface.
        /// </summary>
        /// <since_tizen> preview </since_tizen>
        public CircleSurface()
        {
            _handle = IntPtr.Zero;
        }

        /// <summary>
        /// Gets the handle for CircleSurface.
        /// </summary>
        /// <since_tizen> preview </since_tizen>
        public IntPtr Handle => _handle;

        /// <summary>
        /// Deletes the given CircleSurface.
        /// </summary>
        /// <since_tizen> preview </since_tizen>
        public void Delete()
        {
            if (Handle != IntPtr.Zero)
            {
                Interop.Eext.eext_circle_surface_del(Handle);
                _handle = IntPtr.Zero;
            }
        }

	internal static CircleSurface CreateCircleSurface(EvasObject obj)
        {
            if (obj is Conformant) return new CircleSurface(obj as Conformant);
            else if (obj is Naviframe) return new CircleSurface(obj as Naviframe);
            else if (obj is Layout) return new CircleSurface(obj as Layout);
            else return new CircleSurface();
        }
    }
}