using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using System.Threading;
using System.IO;
using HuizhongLibrary.Log;
using HuizhongLibrary;

namespace HuizhongLibrary.MyAlphaControl
{
    public partial class MyPanel : UserControl
    {

        private Bitmap m_BackgroundImage;
        /// <summary>
        /// 背景图片
        /// </summary>
        public new Bitmap BackgroundImage
        {
            get { return m_BackgroundImage; }
            set{ m_BackgroundImage = value; }
        }

        private PictureBoxSizeMode m_BackgroundSizeMode = PictureBoxSizeMode.Normal;

        public PictureBoxSizeMode BackgroundSizeMode
        {
            get { return m_BackgroundSizeMode; }
            set
            { 
                m_BackgroundSizeMode = value;
                pictureBox1.SizeMode = value;
            }
        }


        private List<MyImageList> m_ImageArray = new List<MyImageList>();

        public List<MyImageList> ImageArray
        {
            get { return m_ImageArray; }
            set { m_ImageArray = value; }
        }

     

        private string m_ImageList = "";

        public string ImageList
        {
            get { return m_ImageList; }
            set { m_ImageList = value; }
        }
        private bool m_Visible = true;

        public new bool Visible
        {
            get { return m_Visible; }
            set
            {
                m_Visible = value;
                base.Visible = value;
                int index = 0;
                //if (pictureBox1.Image == null && this.BackgroundImage != null)  RefshImage(); 
                pictureBox1.BringToFront();
                foreach (System.Windows.Forms.Control ctrl in this.Controls)
                {
                    index++;
                    if (index == 1) continue;
                    if (ctrl.Visible == true) ctrl.BringToFront();
                }
                //pictureBox1.SendToBack();

            }
        }

        public bool IsRun = true;
        public int MainTop = 0;
        public int MainLeft = 0;
        public int MainWidth = 0;
        public int MainHeight = 0;
        public int MaxWidth = 0;
        public int MaxHeight = 0;
        public int FlackMode = 0; //0全屏宣教1首页宣教


        public event EventHandler FeelImage;
        public event RemoveImageDelegate RemoveImage;
        public delegate void RemoveImageDelegate(string ImageListName, string ImgName);
        public event Action<string> RemoveScrollString;

        public MyPanel()
        {
            InitializeComponent();
            pictureBox1.Click += pictureBox1_Click;
        }

        void pictureBox1_Click(object sender, EventArgs e)
        {
            if (this.FeelImage != null) this.FeelImage(sender, e);
        }

        public int ImageIndex= 0;



        #region 切换到上一页
        public int PrevImage()
        {
            if (ImageArray.Count == 0)
            {
                this.BackgroundImage = null;
                return 10;
            }
            ImageIndex--;
            if (ImageIndex < 0) ImageIndex = ImageArray.Count - 1;
            MyImageList model = CheckOut(ImageIndex);
            if (model == null)
            {
                ImageIndex++;
                return PrevImage();
            }
            try
            {
                DateTime dt = DateTime.Now;
                if (File.Exists(model.FilePath) == false || (model.EndTime != null && dt > model.EndTime))
                {
                    if (this.RemoveImage != null) this.RemoveImage(this.ImageList, model.Name);
                    RemoveAt(ImageIndex);
                    ImageIndex++;
                    return PrevImage();
                }
                this.BackgroundImage = CustomIO.GetBitmap(model.FilePath);
                if (this.BackgroundImage == null)
                {
                    if (this.RemoveImage != null) this.RemoveImage(this.ImageList, model.Name);
                    RemoveAt(ImageIndex);
                    ImageIndex++;
                    return PrevImage();
                }
            }
            catch (Exception ex)
            {
                ErrorFollow.TraceWrite("NextImage", ex.StackTrace, ex.Message);
                if (this.RemoveImage != null) this.RemoveImage(this.ImageList, model.Name);
                RemoveAt(ImageIndex);
                ImageIndex++;
                return PrevImage();
            }
            return model.Interval;
        }
        #endregion
        #region 切换到下一页
        public int NextImage()
        {
            if (ImageArray.Count == 0)
            {
                this.BackgroundImage = null;
                return 10;
            }
            ImageIndex++;
            if (ImageIndex >= ImageArray.Count) ImageIndex = 0;
            MyImageList model = CheckOut(ImageIndex);
            if (model == null)
            {
                ImageIndex--;
                return NextImage();
            }
            try
            {
                DateTime dt = DateTime.Now;
                if (File.Exists(model.FilePath) == false || (model.EndTime != null && dt > model.EndTime))
                {
                    if (this.RemoveImage != null) this.RemoveImage(this.ImageList, model.Name);
                    RemoveAt(ImageIndex);
                    ImageIndex--;
                    return NextImage();
                }
                this.BackgroundImage = CustomIO.GetBitmap(model.FilePath);
                if (this.BackgroundImage == null)
                {
                    if (this.RemoveImage != null) this.RemoveImage(this.ImageList, model.Name);
                    RemoveAt(ImageIndex);
                    ImageIndex--;
                    return NextImage();
                }
            }
            catch (Exception ex)
            {
                ErrorFollow.TraceWrite("NextImage", ex.StackTrace, ex.Message);
                if (this.RemoveImage != null) this.RemoveImage(this.ImageList, model.Name);
                RemoveAt(ImageIndex);
                ImageIndex--;
                return NextImage();
            }
            return model.Interval;
        }
        #endregion
        #region 刷新背景
        public void RefshImage()
        {
            if (pictureBox1.Image != null) pictureBox1.Image.Dispose();
            pictureBox1.Image = this.BackgroundImage;
            GC.Collect();
        }
        #endregion
        #region 新增图片
        public void CheckIn(MyImageList item)
        {
            lock (ImageArray)
            {
                MyImageList Citem = null;
                foreach (MyImageList item2 in ImageArray)
                {
                    if (item2.Name == item.Name) Citem = item2;
                }
                if (Citem == null) { ImageArray.Add(item); }
                else
                {
                    Citem.EndTime = item.EndTime;
                    Citem.FilePath = item.FilePath;
                    Citem.Interval = item.Interval;
                    Citem.Name = item.Name;
                }
            }
            if (ImageArray.Count == 1)
            {
                FirstImage();
                RefshImage();
            }
        }
        #endregion
        #region 读取图片
        public MyImageList CheckOut(int Index)
        {
            MyImageList model = null;
            lock (ImageArray)
            {
                if (ImageArray.Count == 0) return null;
                if (Index < 0 || Index > ImageArray.Count - 1)
                {
                    Index = 0;
                    return null;
                }
                try
                {
                    model=ImageArray[Index];
                }
                catch { }
            }
            return model;
        }
        #endregion
        #region 清除全部图片
        public void Clear()
        {
            lock (ImageArray)
            {
                ImageArray.Clear();
            }
        }
        #endregion
        #region 清除图片
        public void RemoveAt(int Index)
        {
            lock (ImageArray)
            {
                if (ImageArray.Count == 0) return;
                if (Index < 0 || Index > ImageArray.Count - 1) return;
                ImageArray.RemoveAt(Index);
            }
        }
        #endregion
        #region 清除图片
        public void Remove(string Name)
        {
            lock (ImageArray)
            {
                for (int i = 0; i < ImageArray.Count; i++)
                {
                    if (ImageArray[i].Name != Name) continue;
                    ImageArray.RemoveAt(i);
                    break;
                }
            }
            NextImage();
        }
        #endregion
        #region 切换到首张图片
        public void FirstImage()
        {
            ImageIndex = 0;
            MyImageList model = CheckOut(ImageIndex);
            if (model == null) { this.BackgroundImage = null; }
            else { this.BackgroundImage = CustomIO.GetBitmap(model.FilePath); }
        }
        #endregion
        #region 切换到最后一张图片
        public void LastImage()
        {
            ImageIndex = ImageArray.Count-1;
            MyImageList model = CheckOut(ImageIndex);
            if (model == null) { this.BackgroundImage = null; }
            else { this.BackgroundImage = CustomIO.GetBitmap(model.FilePath); }
        }
        #endregion


        #region 缩放
        public void Zoom()
        {
            if (FlackMode == 0 || ImageArray.Count == 0) return;
            if (this.Width == MaxWidth)
            {
                this.Left = MainLeft;
                this.Top = MainTop;
                this.Width = MainWidth;
                this.Height = MainHeight;
            }
            else
            {
                this.Left = 0;
                this.Top = 0;
                this.Width = MaxWidth;
                this.Height = MaxHeight;
            }
            RefshImage();
        }
        #endregion

        #region 计算文字大小
        private SizeF MeasureString(string Text, Font font)
        {
            Bitmap bmp = new Bitmap(1, 1, System.Drawing.Imaging.PixelFormat.Format32bppRgb);
            Graphics g = Graphics.FromImage(bmp);
            SizeF s = g.MeasureString(Text, font);
            return s;
        }
        #endregion

        #region 是否有需要播报的消息
        public bool IsPlay()
        {
            if (this.IsRun == false) return false;
            if (ImageArray.Count > 0) return true;
            return false;
        }
        #endregion

        #region 引发移除滚动文本事件
        public void OnRemoveScrollString(string Name)
        {
            if (this.RemoveScrollString != null) this.RemoveScrollString(Name);
        }
        #endregion


    }
}