using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace PaintDotNet.ImageCollect
{
    public class CameraVideoPlay : Form
    {
        //播放状态
        private const int VLC_STOP = 1;
        private const int VLC_PLAY = 2;
        private const int VLC_PAUSE = 3;
        private int m_stat;

        VLCPlayer vlc_player;
        public string videoPath = "";


        public CameraVideoPlay()
        {
            InitializeComponent();
            InitializeLanguageText();
        }

        private void CameraVideoPlay_Load(object sender, EventArgs e)
        {
            IntPtr render_wnd = this.panel1.Handle;
            vlc_player = new VLCPlayer(render_wnd);
            tbVideoTime.Text = "00:00 000/00:00 000";
            m_stat = VLC_STOP;

            vlc_player.playLocalVideo(videoPath);
            vlc_player.SetPlayTime(0);
            vlc_player.Stop();
            trackBar1.SetRange(0, (int)(vlc_player.Duration / 100));
            trackBar1.Value = 0;
            tbVideoTime.Text = string.Format("{0}/{1}", GetTimeString(trackBar1.Value), GetTimeString(trackBar1.Maximum));
        }

        public double GetPlayTime()
        {
            return vlc_player.GetPlayTime();
        }

        private void btnStart_Click(object sender, EventArgs e)
        {
            if (m_stat == VLC_STOP)
            {
                trackBar1.SetRange(0, (int)(vlc_player.Duration / 100));
                trackBar1.Value = 0;
                vlc_player.playLocalVideo(videoPath);
                vlc_player.SetPlayTime(0);
                vlc_player.Play();
                timer1.Start();
                m_stat = VLC_PLAY;
            }
            else if (m_stat == VLC_PLAY)
            {
                vlc_player.Pause();
                timer1.Stop();
                m_stat = VLC_PAUSE;
            }
            else if (m_stat == VLC_PAUSE)
            {
                vlc_player.Play();
                timer1.Start();
                m_stat = VLC_PLAY;
            }

            updateUI();
        }

        private void btnReset_Click(object sender, EventArgs e)
        {
            vlc_player.Stop();
            m_stat = VLC_STOP;
            updateUI();
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            if (m_stat == VLC_PLAY)
            {
                if (trackBar1.Value == trackBar1.Maximum)
                {
                    vlc_player.Stop();
                    timer1.Stop();
                    m_stat = VLC_STOP;
                }
                else
                {
                    trackBar1.Value = trackBar1.Value + 1;
                    tbVideoTime.Text = string.Format("{0}/{1}",
                        GetTimeString(trackBar1.Value),
                        GetTimeString(trackBar1.Maximum));
                }
            }
            updateUI();
        }

        private string GetTimeString(int val)
        {
            val = val * 100;
            int msec = val % 1000;
            int minute = val / 1000 / 60;
            int second = val / 1000 % 60;
            return string.Format("{0:00}:{1:00} {2:000}", minute, second, msec);
        }

        private void updateUI()
        {
            if (m_stat == VLC_PLAY)
            {
                btnStart.Enabled = true;
                btnReset.Enabled = true;
                btnStart.Text = PdnResources.GetString("Menu.suspended.Text");

            }
            else
            {
                btnStart.Enabled = true;
                btnReset.Enabled = false;
                btnStart.Text = PdnResources.GetString("Menu.imagecapture.Videorecording.Play.text");
            }

        }


        private string convertToTimeString(long time)
        {
            string ms = (time % 1000).ToString();
            if (ms.Length < 2)
            {
                ms = "00" + ms;
            }
            else
            {
                ms = "0" + ms;
            }
            string mm = (time / 1000 / 60).ToString();
            if (mm.Length < 2)
            {
                mm = "0" + mm;
            }
            string ss = ((time / 1000) % 60).ToString();
            if (ss.Length < 2)
            {
                ss = "0" + ss;
            }
            return mm + ":" + ss + " " + ms;
        }

        private void trackBar1_Scroll(object sender, EventArgs e)
        {
            
            vlc_player.SetPlayTime(trackBar1.Value);
            //trackBar1.Value = (int)vlc_player.GetPlayTimeMSec()/100;
        }

        private void CameraVideoPlay_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (m_stat != VLC_STOP)
            {
                timer1.Stop();
            }
            timer1 = null;
            vlc_player.release();

        }

        private void btnClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }


        #region 控件
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }

        // Windows Form Designer generated code

        private void InitializeLanguageText()
        {
            this.btnReset.Text = PdnResources.GetString("Menu.stop.text");
            this.btnStart.Text = PdnResources.GetString("Menu.imagecapture.Videorecording.Play.text");
            this.btnClose.Text = PdnResources.GetString("Menu.File.Close.Text");
            this.Text = PdnResources.GetString("Menu.imagecapture.Videorecording.Play.text");

        }

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.components = new System.ComponentModel.Container();
            this.timer1 = new System.Windows.Forms.Timer(this.components);
            this.panel2 = new System.Windows.Forms.Panel();
            this.tbVideoTime = new System.Windows.Forms.TextBox();
            this.trackBar1 = new System.Windows.Forms.TrackBar();
            this.btnReset = new System.Windows.Forms.Button();
            this.btnStart = new System.Windows.Forms.Button();
            this.panel1 = new System.Windows.Forms.Panel();
            this.btnClose = new System.Windows.Forms.Button();
            this.panel2.SuspendLayout();
            ((System.ComponentModel.ISupportInitialize)(this.trackBar1)).BeginInit();
            this.SuspendLayout();
            // 
            // timer1
            // 
            this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
            // 
            // panel2
            // 
            this.panel2.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)
            | System.Windows.Forms.AnchorStyles.Right)));
            this.panel2.Controls.Add(this.btnClose);
            this.panel2.Controls.Add(this.tbVideoTime);
            this.panel2.Controls.Add(this.trackBar1);
            this.panel2.Controls.Add(this.btnReset);
            this.panel2.Controls.Add(this.btnStart);
            this.panel2.Location = new System.Drawing.Point(10, 518);
            this.panel2.Margin = new System.Windows.Forms.Padding(4);
            this.panel2.Name = "panel2";
            this.panel2.Size = new System.Drawing.Size(650, 86);
            this.panel2.TabIndex = 3;
            // 
            // tbVideoTime
            // 
            this.tbVideoTime.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
            this.tbVideoTime.BorderStyle = System.Windows.Forms.BorderStyle.None;
            this.tbVideoTime.Location = new System.Drawing.Point(488, 8);
            this.tbVideoTime.Margin = new System.Windows.Forms.Padding(4);
            this.tbVideoTime.Name = "tbVideoTime";
            this.tbVideoTime.ReadOnly = true;
            this.tbVideoTime.Size = new System.Drawing.Size(162, 18);
            this.tbVideoTime.TabIndex = 6;
            this.tbVideoTime.Text = "00:00 000/00:00 000";
            // 
            // trackBar1
            // 
            this.trackBar1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
            | System.Windows.Forms.AnchorStyles.Right)));
            this.trackBar1.AutoSize = false;
            this.trackBar1.Location = new System.Drawing.Point(11, 4);
            this.trackBar1.Margin = new System.Windows.Forms.Padding(4);
            this.trackBar1.Maximum = 999999999;
            this.trackBar1.Name = "trackBar1";
            this.trackBar1.Size = new System.Drawing.Size(476, 31);
            this.trackBar1.TabIndex = 3;
            this.trackBar1.TickStyle = System.Windows.Forms.TickStyle.None;
            this.trackBar1.Scroll += new System.EventHandler(this.trackBar1_Scroll);
            // 
            // btnReset
            // 
            this.btnReset.Enabled = false;
            this.btnReset.Location = new System.Drawing.Point(118, 34);
            this.btnReset.Margin = new System.Windows.Forms.Padding(4);
            this.btnReset.Name = "btnReset";
            this.btnReset.Size = new System.Drawing.Size(98, 42);
            this.btnReset.TabIndex = 2;
            this.btnReset.UseVisualStyleBackColor = true;
            this.btnReset.Click += new System.EventHandler(this.btnReset_Click);
            // 
            // btnStart
            // 
            this.btnStart.Location = new System.Drawing.Point(11, 34);
            this.btnStart.Margin = new System.Windows.Forms.Padding(4);
            this.btnStart.Name = "btnStart";
            this.btnStart.Size = new System.Drawing.Size(98, 42);
            this.btnStart.TabIndex = 0;
            this.btnStart.UseVisualStyleBackColor = true;
            this.btnStart.Click += new System.EventHandler(this.btnStart_Click);
            // 
            // panel1
            // 
            this.panel1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
            | System.Windows.Forms.AnchorStyles.Left)
            | System.Windows.Forms.AnchorStyles.Right)));
            this.panel1.BackColor = System.Drawing.Color.Black;
            this.panel1.Location = new System.Drawing.Point(10, 10);
            this.panel1.Margin = new System.Windows.Forms.Padding(4);
            this.panel1.Name = "panel1";
            this.panel1.Size = new System.Drawing.Size(642, 464);
            this.panel1.TabIndex = 2;
            // 
            // btnClose
            // 
            this.btnClose.Location = new System.Drawing.Point(225, 34);
            this.btnClose.Name = "btnClose";
            this.btnClose.Size = new System.Drawing.Size(98, 42);
            this.btnClose.TabIndex = 7;
            this.btnClose.UseVisualStyleBackColor = true;
            this.btnClose.Click += new System.EventHandler(this.btnClose_Click);
            // 
            // CameraVideoPlay
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 15F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(665, 614);
            this.Controls.Add(this.panel2);
            this.Controls.Add(this.panel1);
            this.MaximizeBox = false;
            this.MinimizeBox = false;
            this.Name = "CameraVideoPlay";
            this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.CameraVideoPlay_FormClosing);
            this.Load += new System.EventHandler(this.CameraVideoPlay_Load);
            this.panel2.ResumeLayout(false);
            this.panel2.PerformLayout();
            ((System.ComponentModel.ISupportInitialize)(this.trackBar1)).EndInit();
            this.ResumeLayout(false);

        }


        private System.Windows.Forms.Timer timer1;
        private System.Windows.Forms.Panel panel2;
        private System.Windows.Forms.TextBox tbVideoTime;
        private System.Windows.Forms.TrackBar trackBar1;
        private System.Windows.Forms.Button btnReset;
        private System.Windows.Forms.Button btnStart;
        private System.Windows.Forms.Panel panel1;
        private System.Windows.Forms.Button btnClose;

        #endregion

    }
}