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

namespace Shared
{

    /// <summary>
    /// HDLArcSeekBar 圆弧滑动控件
    /// </summary>
    public class ArcSeekBar : View
    {
        /// <summary>
        ///  当前视图
        /// </summary>
        /// <value>The HDLArcSeekBar.</value>
        HDLArcSeekBar mHDLArcSeekBar
        {
            get
            {
                return AndroidView as HDLArcSeekBar;
            }
            set
            {
                AndroidView = value;
            }
        }

        /// <summary>
        /// 构造函数
        /// </summary>
        public ArcSeekBar()
        {
            mHDLArcSeekBar = new HDLArcSeekBar(Application.Activity);
            mOnProgressChangeListener = new OnProgressChangeListener(this);
            mHDLArcSeekBar.SetOnProgressChangeListener(mOnProgressChangeListener);
        }

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


        //}

        /// <summary>
        /// 进度值显示单位
        /// </summary>
        /// <value>单位字符</value>
        public String ProgressBarUnitSring
        {
            set
            {
                mHDLArcSeekBar.SetProgressBarUnitSring(value);
            }
        }

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

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

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

            get
            {

                return mHDLArcSeekBar.Progress;
            }
        }

        /// <summary>
        /// 同时设置圆弧和拖动圆形的宽
        /// </summary>
        /// <value>宽</value>
        public int ArcWidthWithDefaultStyle
        {
            set
            {
                mHDLArcSeekBar.SetArcWidthDefaultStyle(value);
            }
        }

        /// <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);

                mHDLArcSeekBar.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
            {
                //mHDLArcSeekBar.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);

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

        }


        uint thumbColor = 0xFFFFFFFF;
        /// <summary>
        /// 拖动按钮圆形颜色
        /// </summary>
        /// <value>拖动按钮颜色</value>
        public uint ThumbColor
        {
            get
            {
                return thumbColor;
            }
            set
            {
                thumbColor = value;

                byte r, g, b, a;
                r = (byte)(thumbColor / 256 / 256 % 256);
                g = (byte)(thumbColor / 256 % 256);
                b = (byte)(thumbColor % 256);
                a = (byte)(thumbColor / 256 / 256 / 256 % 256);

                mHDLArcSeekBar.SetThumbColor(Android.Graphics.Color.Argb(a, r, g, b));
            }
        }

        /// <summary>
        /// 拖动按钮默认形状 填满实心或者空心
        /// </summary>
        /// <value>是否填满</value>
        public bool ThumbModeFill
        {
            set
            {
                if (value)
                {
                    mHDLArcSeekBar.SetThumbMode(Com.Hdl.Widget.HDLArcSeekBar.ThumbModeFill);
                }
                else
                {
                    mHDLArcSeekBar.SetThumbMode(Com.Hdl.Widget.HDLArcSeekBar.ThumbModeStroke);
                }

            }
        }

        /// <summary>
        /// 拖动按钮圆形半径
        /// </summary>
        /// <value>半径</value>
        public int ThumbRadius
        {
            set
            {
                mHDLArcSeekBar.SetThumbRadius(value);
            }
        }

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

        /// <summary>
        /// 当前进度值显示的文字颜色
        /// </summary>
        /// <value>文字颜色</value>
        public uint ProgressTextColor
        {
            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);

                mHDLArcSeekBar.SetProgressTextColor(Android.Graphics.Color.Argb(a, r, g, b));

            }
        }

        /// <summary>
        /// 当前进度值显示的文字大小
        /// </summary>
        /// <value>文字大小</value>
        public int ProgressTextSize
        {
            set => mHDLArcSeekBar.SetProgressTextSize(value);
        }

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

        }

        //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 };
        //    mHDLArcSeekBar.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, HDLArcSeekBar.IOnProgressChangeListener
        {

            ArcSeekBar _ArcSeekBar;

            public OnProgressChangeListener(ArcSeekBar view)
            {
                _ArcSeekBar = view;
            }

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

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

            public void OnStopTrackingTouch(HDLArcSeekBar p0)
            {

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

            }
        }
    }
}