using System;
using System.Collections.Generic;
using System.Text;
using ZigBee.Device;

namespace Shared.Phone.UserCenter.DevicePanel
{
    /// <summary>
    /// 按键面板的颜色选择界面
    /// </summary>
    public class PanelColorSelectForm : EditorCommonForm
    {
        #region ■ 变量声明___________________________

        /// <summary>
        /// 颜色选择结束的事件(R,G,B)
        /// </summary>
        public Action<int, int, int> FinishSelectColorEvent;
        /// <summary>
        /// 选择的RGB
        /// </summary>
        private List<int> listRGB = null;
        /// <summary>
        /// 当前选择的控件(外框)
        /// </summary>
        private FrameLayoutStatuControl nowSelectIcon1 = null;
        /// <summary>
        /// 圆盘选择的颜色显示控件(外框)
        /// </summary>
        private FrameLayoutStatuControl wheelSelectIcon1 = null;
        /// <summary>
        /// 圆盘选择的颜色显示控件(内框)
        /// </summary>
        private IconViewControl wheelSelectIcon2 = null;

        #endregion

        #region ■ 初始化_____________________________

        /// <summary>
        /// 画面显示(底层会固定调用此方法，借以完成画面创建)
        /// </summary>
        /// <param name="i_R">R</param>
        /// <param name="i_G">G</param>
        /// <param name="i_B">B</param>
        public void ShowForm(int i_R,int i_G,int i_B)
        {
            this.ScrollEnabled = false;

            //设置头部信息
            base.SetTitleText(Language.StringByID(R.MyInternationalizationString.uSelectColor));

            //初始化中部信息
            this.InitMiddleFrame(i_R, i_G, i_B);

            //确定
            var btnfinish = new BottomClickButton();
            btnfinish.TextID = R.MyInternationalizationString.Confrim;
            bodyFrameLayout.AddChidren(btnfinish);
            btnfinish.MouseUpEventHandler += (sender, e) =>
            {
                if (listRGB == null || FinishSelectColorEvent == null)
                {
                    this.CloseForm();
                    return;
                }
                //回调函数
                this.FinishSelectColorEvent(listRGB[0], listRGB[1], listRGB[2]);
                this.CloseForm();
            };

        }

        /// <summary>
        /// 初始化中部信息
        /// </summary>
        /// <param name="i_R">R</param>
        /// <param name="i_G">G</param>
        /// <param name="i_B">B</param>
        private void InitMiddleFrame(int i_R, int i_G, int i_B)
        {
            bodyFrameLayout.BackgroundColor = UserCenterColor.Current.White;
            //清空bodyFrame
            this.ClearBodyFrame();
            //初始化颜色圆盘控件
            this.InitColorPictrueControl();
            //初始化备用颜色的控件
            this.InitSpareColorControl(i_R, i_G, i_B);
        }

        #endregion

        #region ■ 初始化颜色圆盘_____________________

        /// <summary>
        /// 初始化颜色圆盘控件
        /// </summary>
        private void InitColorPictrueControl()
        {
            //圆盘控件的FrameLayout
            var frameBack = new FrameLayout();
            frameBack.Y = Application.GetRealHeight(66);
            frameBack.Height = Application.GetRealHeight(1204);
            bodyFrameLayout.AddChidren(frameBack);

            var framePic = new FrameLayout();
            framePic.Width = this.GetPictrueRealSize(588);
            framePic.Height = this.GetPictrueRealSize(588);
            framePic.Gravity = Gravity.Center;
            frameBack.AddChidren(framePic);

            //圆盘控件
            var colorPic = new ColorPicker();
            colorPic.ColorImagePath = "Item/PickerColorWheel.png";
            framePic.AddChidren(colorPic);

            //白点控件
            var btnWhiteView = new IconViewControl(30);
            btnWhiteView.Visible = false;
            btnWhiteView.BackgroundColor = UserCenterColor.Current.White;
            btnWhiteView.Radius = (uint)this.GetPictrueRealSize(30) / 2;
            framePic.AddChidren(btnWhiteView);

            bool pointIsRight = false;
            //圆的半径
            int circleR = framePic.Width / 2 - this.GetPictrueRealSize(35);
            colorPic.ColorChaged += (sender, eColor) =>
            {
                if (pointIsRight == false)
                {
                    //点的区域不是圆盘内
                    return;
                }
                listRGB = new List<int>();
                listRGB.Add(Convert.ToInt32(Convert.ToString(eColor[0])));
                listRGB.Add(Convert.ToInt32(Convert.ToString(eColor[1])));
                listRGB.Add(Convert.ToInt32(Convert.ToString(eColor[2])));

                //显示选择颜色的控件
                if (nowSelectIcon1 != null)
                {
                    nowSelectIcon1.BorderColor = UserCenterColor.Current.White;
                }
                wheelSelectIcon2.BackgroundColor = this.GetColorByRGB(eColor[0], eColor[1], eColor[2]);
                wheelSelectIcon1.BorderColor = 0xffcccccc;
                wheelSelectIcon1.Name = listRGB[0] + "-" + listRGB[1] + "-" + listRGB[2];
                nowSelectIcon1 = wheelSelectIcon1;
            };
            colorPic.MouseDownEventHandler += (sender, e) =>
            {
                pointIsRight = this.CheckPoint(circleR, framePic.Width / 2, framePic.Height / 2, (int)e.X, (int)e.Y);
                if (pointIsRight == false)
                {
                    //点的区域不是圆盘内
                    return;
                }
                //显示白点
                btnWhiteView.X = (int)e.X - btnWhiteView.Width / 2;
                btnWhiteView.Y = (int)e.Y - btnWhiteView.Height / 2;
                if (btnWhiteView.Visible == false)
                {
                    btnWhiteView.Visible = true;
                }
            };
            colorPic.MouseMoveEventHandler += (sender, e) =>
            {
                //当鼠标点下事件处理
                colorPic.MouseDownEventHandler(sender, e);
            };
        }

        #endregion

        #region ■ 初始化预选颜色_____________________

        /// <summary>
        /// 初始化备用颜色的控件
        /// </summary>
        /// <param name="i_R">R</param>
        /// <param name="i_G">G</param>
        /// <param name="i_B">B</param>
        private void InitSpareColorControl(int i_R, int i_G, int i_B)
        {
            //控件数
            var listColor = this.InitSpareDefultColor();
            //X轴初始坐标
            int Xdefult = (bodyFrameLayout.Width - this.GetPictrueRealSize(80 + 24) * (listColor.Count - 1) - this.GetPictrueRealSize(80)) / 2;
            for (int i = 0; i < listColor.Count; i++)
            {
                var dataColor = listColor[i];

                var btnFrame = new FrameLayoutStatuControl();
                btnFrame.Height = this.GetPictrueRealSize(80);
                btnFrame.Width = this.GetPictrueRealSize(80);
                btnFrame.Radius = (uint)this.GetPictrueRealSize(80) / 2;
                btnFrame.X = Xdefult + i * this.GetPictrueRealSize(80 + 24);
                btnFrame.Y = Application.GetRealHeight(1054);
                btnFrame.BackgroundColor = UserCenterColor.Current.White;
                btnFrame.BorderWidth = 1;
                btnFrame.BorderColor = UserCenterColor.Current.White;
                bodyFrameLayout.AddChidren(btnFrame);

                //分两步计算，不然有可能它得出的结果有误差导致不居中
                int iconWidth = btnFrame.Height - this.GetPictrueRealSize(10) - this.GetPictrueRealSize(10);
                var btnIcon = new IconViewControl(iconWidth, false);
                btnIcon.Gravity = Gravity.Center;
                btnIcon.Radius = (uint)btnIcon.IconSize / 2;
                btnFrame.AddChidren(btnIcon, ChidrenBindMode.BindEvent);

                if (dataColor != null)
                {
                    //预设置的颜色
                    btnFrame.Name = dataColor[0] + "-" + dataColor[1] + "-" + dataColor[2];
                    btnIcon.BackgroundColor = this.GetColorByRGB((byte)dataColor[0], (byte)dataColor[1], (byte)dataColor[2]);
                }
                else
                {
                    //原来的颜色
                    btnFrame.BorderColor = 0xffcccccc;
                    btnIcon.BackgroundColor = this.GetColorByRGB((byte)i_R, (byte)i_G, (byte)i_B);
                    wheelSelectIcon1 = btnFrame;
                    wheelSelectIcon2 = btnIcon;
                    nowSelectIcon1 = btnFrame;
                }

                btnFrame.ButtonClickEvent += (sender, e) =>
                {
                    //显示选择颜色的控件
                    if (nowSelectIcon1 != null)
                    {
                        nowSelectIcon1.BorderColor = UserCenterColor.Current.White;
                    }
                    btnFrame.BorderColor = 0xffcccccc;
                    nowSelectIcon1 = btnFrame;

                    if (btnFrame.Name != null)
                    {
                        listRGB = new List<int>();
                        string[] Arry = btnFrame.Name.Split(new string[] { "-" }, StringSplitOptions.RemoveEmptyEntries);
                        listRGB.Add(Convert.ToInt32(Convert.ToString(Arry[0])));
                        listRGB.Add(Convert.ToInt32(Convert.ToString(Arry[1])));
                        listRGB.Add(Convert.ToInt32(Convert.ToString(Arry[2])));
                    }
                };
            }
        }

        #endregion

        #region ■ 一般方法___________________________

        /// <summary>
        /// 检测点击点
        /// </summary>
        /// <param name="circleR">圆的半径</param>
        /// <param name="circleX">圆心X轴</param>
        /// <param name="circleY">圆心Y轴</param>
        /// <param name="pointX">点击点的X轴</param>
        /// <param name="pointY">点击点的Y轴</param>
        /// <returns></returns>
        private bool CheckPoint(int circleR, int circleX, int circleY, int pointX, int pointY)
        {
            int dwidth = circleX - pointX;
            if (dwidth < 0) { dwidth *= -1; }

            int dHeight = circleY - pointY;
            if (dHeight < 0) { dHeight *= -1; }

            //根据三角函数,求三角形的斜边长
            int dlength = dwidth * dwidth + dHeight * dHeight;
            //半径长度(不开方,所以是按平方算)
            circleR *= circleR;
            if (dlength < circleR)
            {
                //如果组成的三角形并没有长过半径,则代表还在圆内(不允许点边界)
                return true;
            }
            return false;
        }

        /// <summary>
        /// 初始化备用颜色的默认值
        /// </summary>
        /// <returns></returns>
        private List<List<int>> InitSpareDefultColor()
        {
            var list = new List<List<int>>();

            list.Add(new List<int>() { 253, 226, 39 });
            list.Add(new List<int>() { 121, 255, 197 });
            list.Add(null);
            list.Add(new List<int>() { 198, 85, 250 });
            list.Add(new List<int>() { 255, 117, 67 });

            return list;
        }

        /// <summary>
        /// 将RGB转换为颜色
        /// </summary>
        /// <param name="R"></param>
        /// <param name="G"></param>
        /// <param name="B"></param>
        /// <returns></returns>
        private uint GetColorByRGB(byte R, byte G, byte B)
        {
            return (uint)(0xFF000000 + R * 256 * 256 + G * 256 + B);
        }

        #endregion

        #region ■ 界面关闭___________________________

        /// <summary>
        /// 界面关闭
        /// </summary>
        public override void CloseFormBefore()
        {
            this.FinishSelectColorEvent = null;

            base.CloseFormBefore();
        }

        #endregion
    }
}