using System;
using CCWin;
using System.Drawing;
using NotePad.Properties;
using System.Windows.Forms;
using System.Drawing.Imaging;
using NotePad.Helper;
using System.IO;
using CCWin.SkinControl;
using CCWin.SkinClass;

namespace NotePad
{
    public partial class NotePadForm : CCSkinMain
    {
        //图片的张数
        static int ImageCount = 15;
        //存放图片对象
        object[] BackImage = new object[ImageCount];
        //当前展示的图片的索引
        int ImageIndex = 0;
        //保存的子文件夹
        public static string Folder = @"Note\";

        public NotePadForm()
        {
            InitializeComponent();
            this.StartPosition = FormStartPosition.CenterScreen;
            NotePadTextArea.Font = (Font)Settings.Default["LastFont"];
            NotePadTextArea.ForeColor = (Color)Settings.Default["LastFontColor"];
        }

        private void NotePad_Load(object sender, EventArgs e)
        {
            BackImage[0] = Resources.psb;
            BackImage[1] = Resources.psb__5_;
            BackImage[2] = Resources.psb__1_;
            BackImage[3] = Resources.psb__3_;
            BackImage[4] = Resources._3_校园;
            BackImage[5] = Resources.IMG_2478;
            BackImage[6] = Resources.IMG_2576;
            BackImage[7] = Resources.IMG_3056;
            BackImage[8] = Resources.IMG_2439;
            BackImage[9] = Resources.image4;
            BackImage[10] = Resources.image1;
            BackImage[11] = Resources.image2;
            BackImage[12] = Resources._2_校园;
            BackImage[13] = Resources._1_考试作业校园;
            BackImage[14] = Resources.psb__4_;
            GetNoteList();
            //初始化背景图片
            BackgroundImage = TransparentImage((Bitmap)BackImage[ImageIndex], (float)0.2);
            ImageIndex = ImageIndex + 1;
            //计时器刷新图片
            BackImageTimer.Interval = 5 * 1000;
            BackImageTimer.Tick += ChangeBackGroundImage;
            BackImageTimer.Start();
            //播放音乐
            MusicPlayer.URL = Application.StartupPath + @"\人武训练的日子.mp3";
            MusicPlayer.Ctlcontrols.play();

        }

        /// <summary>
        /// 切换背景图片
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ChangeBackGroundImage(object sender, EventArgs e)
        {
            Bitmap bitmap = (Bitmap)BackImage[ImageIndex];
            BackgroundImage = TransparentImage(bitmap, (float)0.2);
            ImageIndex = ImageIndex + 1;
            if (ImageIndex == ImageCount )
                ImageIndex = 0;
        }

        /// <summary>
        /// 实现图片渐变
        /// </summary>
        /// <param name="srcImage"></param>
        /// <param name="opacity"></param>
        /// <returns></returns>
        private Image TransparentImage(Image srcImage, float opacity)
        {
            float[][] nArray ={ new float[] {1, 0, 0, 0, 0},
                        new float[] {0, 1, 0, 0, 0},
                        new float[] {0, 0, 1, 0, 0},
                        new float[] {0, 0, 0, opacity, 0},
                        new float[] {0, 0, 0, 0, 1}};
            ColorMatrix matrix = new ColorMatrix(nArray);
            ImageAttributes attributes = new ImageAttributes();
            attributes.SetColorMatrix(matrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
            Bitmap resultImage = new Bitmap(srcImage.Width, srcImage.Height);
            Graphics g = Graphics.FromImage(resultImage);
            g.DrawImage(srcImage, new Rectangle(0, 0, srcImage.Width, srcImage.Height), 0, 0, srcImage.Width, srcImage.Height, GraphicsUnit.Pixel, attributes);
            return resultImage;
        }

        private void ColorPicker_Click(object sender, EventArgs e)
        {
            ColorDialog ColorForm = new ColorDialog();
            if (ColorForm.ShowDialog() == DialogResult.OK)
            {
                NotePadTextArea.SelectionColor = ColorForm.Color;
                Settings.Default["LastFontColor"] = ColorForm.Color;
                Settings.Default.Save();
            }
        }

        private void FontPicker_Click(object sender, EventArgs e)
        {
            FontDialog Font = new FontDialog();
            if (Font.ShowDialog() == DialogResult.OK)
            {
                NotePadTextArea.Font = Font.Font;
                Settings.Default["LastFont"] = Font.Font;
                Settings.Default.Save();
            }
        }

        private void Save_Click(object sender, EventArgs e)
        {
            WriteNote.Write(NotePadTextArea.Rtf, NoteList.SelectedIndex >= 0 ? NoteList.Items[NoteList.SelectedIndex].Text : "");
            GetNoteList();
        }

        private void NoteList_SelectedIndexChanged(object sender, EventArgs e)
        {
            NotePadTextArea.Clear();
            string FileName = Folder + NoteList.Items[NoteList.SelectedIndex].Text + ".txt";
            NotePadTextArea.Rtf = File.ReadAllText(FileName);
            LastWriteTime.Text = File.GetLastWriteTime(FileName).ToString();
        }

        private void GetNoteList()
        {
            NoteList.Items.Clear();
            //读取记录文件
            DirectoryInfo theFolder = new DirectoryInfo(Folder);
            foreach (FileInfo NextFile in theFolder.GetFiles())
            {
                SkinListBoxItem item = new SkinListBoxItem(NextFile.Name.Remove(NextFile.Name.Length - 4));
                this.NoteList.Items.Add(item);
            }
        }

        private void GetNoteList(string NoteDate)
        {
            NoteList.Items.Clear();
            //读取记录文件
            DirectoryInfo theFolder = new DirectoryInfo(Folder);
            foreach (FileInfo NextFile in theFolder.GetFiles())
            {
                if (NextFile.Name.Contains(NoteDate))
                {
                    SkinListBoxItem item = new SkinListBoxItem(NextFile.Name.Remove(NextFile.Name.Length - 4));
                    this.NoteList.Items.Add(item);
                }
            }
        }

        private void NoteTimerPicker_ValueChanged(object sender, EventArgs e)
        {
            NoteTimerPicker.Format = DateTimePickerFormat.Custom;
            GetNoteList(NoteTimerPicker.Text.ToString("yyyy-MM-dd"));
        }
    }
}