/*
 * Copyright (c) 2016 Samsung Electronics Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

using System;
using System.Runtime.InteropServices;
using Dali;

namespace MyCSharpExample
{
    class Example
    {
        [UnmanagedFunctionPointer(CallingConvention.StdCall)]
        delegate void CallbackDelegate(IntPtr appPtr); // void, void delgate

        private Dali.Application _application;

        public Example(Dali.Application application)
        {
            _application = application;

            CallbackDelegate initializeCallback = new CallbackDelegate( Initialize );
            Console.WriteLine( "InitSignal connection count = " + _application.InitSignal().GetConnectionCount() );

            _application.InitSignal().Connect( initializeCallback );
            Console.WriteLine( "InitSignal connection count = " + _application.InitSignal().GetConnectionCount() );
        }

        private void Initialize(IntPtr appPtr)
        {
            Handle handle = new Handle();
            int myPropertyIndex = handle.RegisterProperty("myProperty", new Property.Value(10.0f), Property.AccessMode.READ_WRITE);
            float myProperty = 0.0f;
            handle.GetProperty(myPropertyIndex).Get(ref myProperty);
            Console.WriteLine( "myProperty value: " + myProperty );

            int myPropertyIndex2 = handle.RegisterProperty("myProperty2", new Property.Value(new Vector2(5.0f, 5.0f)), Property.AccessMode.READ_WRITE);
            Vector2 myProperty2 = new Vector2(0.0f, 0.0f);
            handle.GetProperty(myPropertyIndex2).Get(myProperty2);
            Console.WriteLine( "myProperty2 value: " + myProperty2.x + ", " + myProperty2.y );

            Actor actor = new Actor();
            actor.Size = new Vector3(200.0f, 200.0f, 0.0f);
            actor.Name = "MyActor";
            actor.Color = new Vector4(1.0f, 0.0f, 1.0f, 0.8f);
            Console.WriteLine("Actor id: {0}", actor.GetId());
            Console.WriteLine("Actor size: " + actor.Size.x + ", " + actor.Size.y);
            Console.WriteLine("Actor name: " + actor.Name);

            Stage stage = Stage.GetCurrent();
            stage.SetBackgroundColor( NDalic.WHITE );

            Vector2 stageSize = stage.GetSize();
            Console.WriteLine("Stage size: " + stageSize.x + ", " + stageSize.y);
            stage.Add(actor);

            TextLabel text = new TextLabel("Hello Mono World");
            text.ParentOrigin = NDalic.ParentOriginCenter;
            text.AnchorPoint = NDalic.AnchorPointCenter;
            text.HorizontalAlignment = "CENTER";
            stage.Add(text);

            Console.WriteLine( "Text label text:  " + text.Text );

            Console.WriteLine( "Text label point size:  " + text.PointSize );
            text.PointSize = 32.0f;
            Console.WriteLine( "Text label new point size:  " + text.PointSize );

            using (RectInteger ri = new RectInteger(02,05,20,30))
            {
                Console.WriteLine( "    Created " + ri );
                Console.WriteLine( "    IsEmpty() =  " + ri.IsEmpty() );
                Console.WriteLine( "    Left =  " + ri.Left() );
                Console.WriteLine( "    Right =  " + ri.Right() );
                Console.WriteLine( "    Top  = " + ri.Top() );
                Console.WriteLine( "    Bottom  = " + ri.Bottom() );
                Console.WriteLine( "    Area  = " + ri.Area() );
            }
            Console.WriteLine( " *************************" );
            using (RectInteger ri2 = new RectInteger(02,05,20,30))
            {
                Console.WriteLine( "    Created " + ri2 );
                ri2.Set(1,1,40,40);
                Console.WriteLine( "    IsEmpty() =  " + ri2.IsEmpty() );
                Console.WriteLine( "    Left =  " + ri2.Left() );
                Console.WriteLine( "    Right =  " + ri2.Right() );
                Console.WriteLine( "    Top  = " + ri2.Top() );
                Console.WriteLine( "    Bottom  = " + ri2.Bottom() );
                Console.WriteLine( "    Area  = " + ri2.Area() );
            }
            Console.WriteLine( " *************************" );
            using (RectDouble rd = new RectDouble(02,05,20.5,30.5))
            {
                Console.WriteLine( "    Created " + rd );
                Console.WriteLine( "    IsEmpty() =  " + rd.IsEmpty() );
                Console.WriteLine( "    Left =  " + rd.Left() );
                Console.WriteLine( "    Right =  " + rd.Right() );
                Console.WriteLine( "    Top  = " + rd.Top() );
                Console.WriteLine( "    Bottom  = " + rd.Bottom() );
                Console.WriteLine( "    Area  = " + rd.Area() );
            }
            Console.WriteLine( " *************************" );
            RectDouble rd2 = new RectDouble();
            rd2.x = 10;
            rd2.y = 10;
            rd2.width = 20;
            rd2.height = 20;
            Console.WriteLine( "    Created " + rd2 );
            Console.WriteLine( "    IsEmpty() =  " + rd2.IsEmpty() );
            Console.WriteLine( "    Left =  " + rd2.Left() );
            Console.WriteLine( "    Right =  " + rd2.Right() );
            Console.WriteLine( "    Top  = " + rd2.Top() );
            Console.WriteLine( "    Bottom  = " + rd2.Bottom() );
            Console.WriteLine( "    Area  = " + rd2.Area() );

            Console.WriteLine( " *************************" );
            Vector2 vector2 = new Vector2(100, 50);
            Console.WriteLine( "    Created " + vector2 );
            Console.WriteLine( "    Vector2 x =  " + vector2.x + ", y = " + vector2.y );
            vector2 += new Vector2(20, 20);
            Console.WriteLine( "    Vector2 x =  " + vector2[0] + ", y = " + vector2[1] );
            vector2.x += 10;
            vector2.y += 10;
            Console.WriteLine( "    Vector2 width =  " + vector2.width + ", height = " + vector2.height );
            vector2 += new Vector2(15, 15);
            Console.WriteLine( "    Vector2 width =  " + vector2[0] + ", height = " + vector2[1] );

            Console.WriteLine( " *************************" );
            Vector3 vector3 = new Vector3(20, 100, 50);
            Console.WriteLine( "    Created " + vector3 );
            Console.WriteLine( "    Vector3 x =  " + vector3.x + ", y = " + vector3.y + ", z = " + vector3.z );
            vector3 += new Vector3(20, 20, 20);
            Console.WriteLine( "    Vector3 x =  " + vector3[0] + ", y = " + vector3[1] + ", z = " + vector3[2] );
            vector3.x += 10;
            vector3.y += 10;
            vector3.z += 10;
            Console.WriteLine( "    Vector3 width =  " + vector3.width + ", height = " + vector3.height + ", depth = " + vector3.depth );
            Vector3 parentOrigin = NDalic.ParentOriginBottomRight;
            Console.WriteLine( "    parentOrigin x =  " + parentOrigin.x + ", y = " + parentOrigin.y + ", z = " + parentOrigin.z );

            Console.WriteLine( " *************************" );
            Vector4 vector4 = new Vector4(20, 100, 50, 200);
            Console.WriteLine( "    Created " + vector4 );
            Console.WriteLine( "    Vector4 x =  " + vector4.x + ", y = " + vector4.y + ", z = " + vector4.z + ", w = " + vector4.w );
            vector4 += new Vector4(20, 20, 20, 20);
            Console.WriteLine( "    Vector4 x =  " + vector4[0] + ", y = " + vector4[1] + ", z = " + vector4[2] + ", w = " + vector4[3] );
            vector4.x += 10;
            vector4.y += 10;
            vector4.z += 10;
            vector4.w += 10;
            Console.WriteLine( "    Vector4 r =  " + vector4.r + ", g = " + vector4.g + ", b = " + vector4.b + ", a = " + vector4.a );
        }

        public void MainLoop()
        {
            _application.MainLoop ();
        }

        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main(string[] args)
        {
            Console.WriteLine ("Hello Mono World");

            Example example = new Example(Application.NewApplication());
            example.MainLoop ();
        }
    }
}