using System;
using Android.Graphics;
using Android.Graphics.Drawables;
using Android.Runtime;
using Android.Views;
using Com.Hdl.Widget;

namespace Shared
{

    /// <summary>
    /// HDLDiyArcSeekBar 控件
    /// 自定义开口角度圆弧控件，支持设置自定义拖动图片，更灵活扩展，用于空调页面和音乐等页面
    /// </summary>
    public class DiyArcSeekBar : View
    {
        /// <summary>
        ///  当前视图
        /// </summary>
        /// <value>The HDLDiyArcSeekBar.</value>
        HDLDiyArcSeekBar mHDLDiyArcSeekBar
        {
            get
            {
                return AndroidView as HDLDiyArcSeekBar;
            }
            set
            {
                AndroidView = value;
            }
        }

        /// <summary>
        /// 构造函数
        /// </summary>
        public DiyArcSeekBar()
        {
            mHDLDiyArcSeekBar = new HDLDiyArcSeekBar(Application.Activity);
            mOnProgressChangeListener = new OnProgressChangeListener(this);
            mHDLDiyArcSeekBar.SetOnProgressChangeListener(mOnProgressChangeListener);
        }

        //internal static ProgressChangeListener:Com.Hdl.Widget.HDLDiyArcSeekBar.IOnProgressChangeListener(){


        //}


        /// <summary>
        /// 进度值最大值
        /// </summary>
        /// <value>最大值</value>
        public int MaxValue
        {
            set
            {
                mHDLDiyArcSeekBar.SetMaxValue(value);
            }
        }

        /// <summary>
        /// 进度值最小值
        /// </summary>
        /// <value>最小值</value>
        public int MinValue
        {
            set
            {
                mHDLDiyArcSeekBar.SetMinValue(value);
            }
        }

        /// <summary>
        /// 当前进度值
        /// </summary>
        /// <value>进度值</value>
        public int Progress
        {
            set
            {
                mHDLDiyArcSeekBar.Progress = value;
            }

            get
            {

                return mHDLDiyArcSeekBar.Progress;
            }
        }


        /// <summary>
        /// 圆弧默认背景颜色
        /// </summary>
        /// <value>背景颜色</value>
        public uint ArcColor
        {
            set
            {
                byte r, g, b, a;
                r = (byte)(value / 256 / 256 % 256);
                g = (byte)(value / 256 % 256);
                b = (byte)(value % 256);
                a = (byte)(value / 256 / 256 / 256 % 256);

                mHDLDiyArcSeekBar.SetArcColor(Android.Graphics.Color.Argb(a, r, g, b));
            }
        }

        /// <summary>
        /// 进度条颜色 单一颜色不渐变
        /// </summary>
        /// <value>单一进度条颜色</value>
        public uint ProgressBarColor
        {
            set
            {
                //mHDLDiyArcSeekBar.SetProgressBarColor(value);
                byte r, g, b, a;
                r = (byte)(value / 256 / 256 % 256);
                g = (byte)(value / 256 % 256);
                b = (byte)(value % 256);
                a = (byte)(value / 256 / 256 / 256 % 256);

                mHDLDiyArcSeekBar.SetProgressBarColor(Android.Graphics.Color.Argb(a, r, g, b));
            }

        }

        /// <summary>
        /// 圆弧宽
        /// </summary>
        /// <value>宽</value>
        public int ArcWidth
        {
            set
            {
                mHDLDiyArcSeekBar.SetArcWidth(value);
            }
        }

        
        /// <summary>
        /// 是否可以滑动
        /// </summary>
        /// <value>是否可以滑动</value>
        public bool IsClickable
        {
            set
            {
                mHDLDiyArcSeekBar.SetIsClickable(value);
            }
        }

        /// <summary>
        /// 设置进度条 渐变颜色的开始颜色和结束颜色
        /// </summary>
        /// <value>开始颜色、结束颜色</value>
        public void SetProgressBarColors(uint startColor, uint endColor) {
            byte r, g, b, a;
            r = (byte)(startColor / 256 / 256 % 256);
            g = (byte)(startColor / 256 % 256);
            b = (byte)(startColor % 256);
            a = (byte)(startColor / 256 / 256 / 256 % 256);

            var start = Android.Graphics.Color.Argb(a, r, g, b);


            byte r2, g2, b2, a2;
            r2 = (byte)(endColor / 256 / 256 % 256);
            g2 = (byte)(endColor / 256 % 256);
            b2 = (byte)(endColor % 256);
            a2 = (byte)(endColor / 256 / 256 / 256 % 256);

            var end = Android.Graphics.Color.Argb(a2, r2, g2, b2);
        
            int[] mArcColors = { start, end };
            mHDLDiyArcSeekBar.SetProgressBarColors(mArcColors);

        }

        /// <summary>
        /// 开口角度
        /// </summary>
        public int OpenAngle
        {
            set
            {
                mHDLDiyArcSeekBar.SetOpenAngle(value);

            }
        }

        /// <summary>
        /// 进度条与左右边框边距
        /// </summary>
        public int SeekBarPadding
        {
            set
            {
                mHDLDiyArcSeekBar.SetSeekBarPadding(value);
            }
        }



        /// <summary>
        /// 拖动按钮图片高度
        /// </summary>
        public int ThumbImageHeight
        {
            set
            {
                mHDLDiyArcSeekBar.SetThumbImgBtnWidth(value);
            }
        }

        string thumbImagePath;
        /// <summary>
        /// 拖动按钮图片
        /// </summary>
        public string ThumbImagePath
        {
            get
            {
                return thumbImagePath;
            }

            set
            {
                thumbImagePath = value;
                var mDrawable = this.getDrawable(thumbImagePath);
                if (mDrawable == null) return;
                BitmapDrawable mBitmapDrawable = (BitmapDrawable)mDrawable;
                if (mBitmapDrawable == null) return;
                Bitmap bitmap = mBitmapDrawable.Bitmap;
                if (bitmap == null) return;
                mHDLDiyArcSeekBar.SetThumbImgBtnImg(bitmap);
            }
        }


        /// <summary>
        /// 是否离线 离线的话禁止滑动并绘制背景遮挡层
        /// </summary>
        /// <value>是否离线</value>
        public bool IsOffline
        {
            set
            {
                mHDLDiyArcSeekBar.SetOffline(value);
            }
        }

        /// <summary>
        /// 离线效果时 进度条颜色 单一颜色不渐变
        /// </summary>
        /// <value>单一进度条颜色</value>
        public uint OfflineProgressBarColor
        {
            set
            {
                byte r, g, b, a;
                r = (byte)(value / 256 / 256 % 256);
                g = (byte)(value / 256 % 256);
                b = (byte)(value % 256);
                a = (byte)(value / 256 / 256 / 256 % 256);

                mHDLDiyArcSeekBar.SetProgressBarOfflineColors(Android.Graphics.Color.Argb(a, r, g, b));
            }

        }

        /// <summary>
        /// 是否显示拖动按钮图片
        /// </summary>
        /// <value>是否离线</value>
        public bool IsThumbImgBtnShow
        {
            set
            {
                mHDLDiyArcSeekBar.SetThumbImgBtnShow(value);
            }
        }


        //public void SetArcColors(uint startColor, uint endColor)
        //{
        //    byte r, g, b, a;
        //    r = (byte)(startColor / 256 / 256 % 256);
        //    g = (byte)(startColor / 256 % 256);
        //    b = (byte)(startColor % 256);
        //    a = (byte)(startColor / 256 / 256 / 256 % 256);

        //    var start = Android.Graphics.Color.Argb(a, r, g, b);


        //    byte r2, g2, b2, a2;
        //    r2 = (byte)(endColor / 256 / 256 % 256);
        //    g2 = (byte)(endColor / 256 % 256);
        //    b2 = (byte)(endColor % 256);
        //    a2 = (byte)(endColor / 256 / 256 / 256 % 256);

        //    var end = Android.Graphics.Color.Argb(a2, r2, g2, b2);

        //    int[] mArcColors = { start, end, end };
        //    mHDLDiyArcSeekBar.SetArcColors(mArcColors);

        //}



        /// <summary>
        /// EventHandler
        /// </summary>
        public EventHandler<int> OnProgressChangedEvent;
        public EventHandler<bool> OnStartTrackingTouchEvent;
        public EventHandler<int> OnStopTrackingTouchEvent;

        /// <summary>
        /// OnProgressChangeListener 继承响应事件
        /// </summary>
        OnProgressChangeListener mOnProgressChangeListener;

        public class OnProgressChangeListener : Java.Lang.Object, HDLDiyArcSeekBar.IOnProgressChangeListener
        {

            DiyArcSeekBar _DiyArcSeekBar;

            public OnProgressChangeListener(DiyArcSeekBar view)
            {
                _DiyArcSeekBar = view;
            }

            public void OnProgressChanged(HDLDiyArcSeekBar p0, int p1, bool p2)
            {
                _DiyArcSeekBar.OnProgressChangedEvent?.Invoke(this, p0.Progress);
            }

            public void OnStartTrackingTouch(HDLDiyArcSeekBar p0)
            {
                _DiyArcSeekBar.OnStartTrackingTouchEvent?.Invoke(this, true);
            }

            public void OnStopTrackingTouch(HDLDiyArcSeekBar p0)
            {

                //if (_DiyArcSeekBar.OnStopTrackingTouchEvent != null)
                //{
                //    _DiyArcSeekBar.OnStopTrackingTouchEvent(this, p0.Progress);
                //}
                _DiyArcSeekBar.OnStopTrackingTouchEvent?.Invoke(this, p0.Progress);

            }
        }
    }
}