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

namespace Shared
{

    /// <summary>
    /// DiyImageSeekBar 自定义拖动按钮图片的滑动SeekBar
    /// </summary>
    public class DiyImageSeekBar : BaseSeekBar
    {
        /// <summary>
        ///  当前视图
        /// </summary>
        /// <value>The HDLDiyImageSeekBar.</value>
        HDLDiyImageSeekBar mHDLDiyImageSeekBar
        {
            get
            {
                return AndroidView as HDLDiyImageSeekBar;
            }
            set
            {
                AndroidView = value;
            }
        }

        /// <summary>
        /// 构造函数
        /// </summary>
        public DiyImageSeekBar()
        {
            mHDLDiyImageSeekBar = new HDLDiyImageSeekBar(Application.Activity);
            mOnProgressChangeListener = new OnProgressChangeListener(this);
            mHDLDiyImageSeekBar.SetOnProgressChangeListener(mOnProgressChangeListener);
        }


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

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

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

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

            get
            {

                return mHDLDiyImageSeekBar.Progress;
            }
        }



        /// <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);

                mHDLDiyImageSeekBar.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 => mHDLDiyImageSeekBar.SetProgressTextSize(value);
        }

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

        /// <summary>
        /// 是否可以滑动
        /// </summary>
        /// <value>是否可以滑动</value>
        public bool IsProgressTextShow
        {
            set
            {
                mHDLDiyImageSeekBar.SetProgressTextShow(value);
            }
        }

        /// <summary>
        /// 当前进度条颜色
        /// </summary>
        public uint ProgressBarColor
        {
            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);

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

        /// <summary>
        /// 当前进度条背景的颜色
        /// </summary>
        public uint SeekBarBackgroundColor
        {
            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);

                mHDLDiyImageSeekBar.SetBarBackgroundColor(Android.Graphics.Color.Argb(a, r, g, b));
                mHDLDiyImageSeekBar.PostInvalidate();
            }
        }

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


        /// <summary>
        /// 进度条高度
        /// </summary>
        public int SeekBarViewHeight
        {
            set
            {
                mHDLDiyImageSeekBar.SetDiySeekBarViewHeight(value);
            }
        }

        /// <summary>
        /// 拖动按钮图片高度
        /// </summary>
        public int ThumbImageHeight
        {
            set
            {
                mHDLDiyImageSeekBar.SetBitmapButtonHeight(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;
                mHDLDiyImageSeekBar.SetBgBitmapButton(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
            {
                mHDLDiyImageSeekBar.SetOffline(value);
            }
        }
    


        /// <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, HDLDiyImageSeekBar.IOnProgressChangeListener
        {

            DiyImageSeekBar _DiyImageSeekBar;

            public OnProgressChangeListener(DiyImageSeekBar view)
            {
                _DiyImageSeekBar = view;
            }

            public void OnProgressChanged(HDLDiyImageSeekBar p0, int p1, bool p2)
            {
                if (_DiyImageSeekBar.IsProgressChangeDelay()) return;
                _DiyImageSeekBar.OnProgressChangedEvent?.Invoke(this, p0.Progress);
            }

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

            public void OnStopTrackingTouch(HDLDiyImageSeekBar p0)
            {

                _DiyImageSeekBar.OnProgressChangedEvent?.Invoke(this, p0.Progress);
                _DiyImageSeekBar.OnStopTrackingTouchEvent?.Invoke(this, p0.Progress);

            }
        }
    }
}