using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using NEROLib;

namespace NeroFiddlesCOM.NET
{
	/// <summary>
	/// Summary description for NVAPIForm.
	/// </summary>
	public class NVAPIForm : System.Windows.Forms.Form
	{		
		private NeroDrive m_drive;
		private Nero m_nero;

		private ChooseBurnFlagsForm m_frmChooseBurnFlags;
		private ChooseSpeedForm m_frmChooseWriteSpeed;
		private NVAPIEstimateForm m_frmEstimateProgress;

		private NeroVisionAPI.Project m_project;

		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Button c_Browse;
		private System.Windows.Forms.TextBox c_Filename;
		private System.Windows.Forms.TextBox c_Device;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Button c_ChooseSpeed;
		private System.Windows.Forms.Button c_BurnFlags;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.TextBox c_Settings;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Label label5;
		private System.Windows.Forms.Button c_Estimate;
		private System.Windows.Forms.Button c_Burn;
		private System.Windows.Forms.TextBox c_EstimatedTime;
		private System.Windows.Forms.TextBox c_EstimatedSize;
		private System.Windows.Forms.Button c_Cancel;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public NVAPIForm(NeroDrive drive, Nero nero)
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			m_drive = drive;
			m_nero = nero;

			m_frmChooseBurnFlags = new ChooseBurnFlagsForm ();
			m_frmChooseWriteSpeed = new ChooseSpeedForm (m_drive, true);
			m_frmEstimateProgress = new NVAPIEstimateForm ();
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.label1 = new System.Windows.Forms.Label();
			this.c_Browse = new System.Windows.Forms.Button();
			this.c_Filename = new System.Windows.Forms.TextBox();
			this.c_Device = new System.Windows.Forms.TextBox();
			this.label2 = new System.Windows.Forms.Label();
			this.c_ChooseSpeed = new System.Windows.Forms.Button();
			this.c_BurnFlags = new System.Windows.Forms.Button();
			this.label4 = new System.Windows.Forms.Label();
			this.c_Settings = new System.Windows.Forms.TextBox();
			this.label3 = new System.Windows.Forms.Label();
			this.label5 = new System.Windows.Forms.Label();
			this.c_Estimate = new System.Windows.Forms.Button();
			this.c_Burn = new System.Windows.Forms.Button();
			this.c_EstimatedTime = new System.Windows.Forms.TextBox();
			this.c_EstimatedSize = new System.Windows.Forms.TextBox();
			this.c_Cancel = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(8, 48);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(120, 16);
			this.label1.TabIndex = 2;
			this.label1.Text = "XML Project Filename:";
			// 
			// c_Browse
			// 
			this.c_Browse.Location = new System.Drawing.Point(320, 64);
			this.c_Browse.Name = "c_Browse";
			this.c_Browse.Size = new System.Drawing.Size(88, 23);
			this.c_Browse.TabIndex = 4;
			this.c_Browse.Text = "Browse";
			this.c_Browse.Click += new System.EventHandler(this.c_Browse_Click);
			// 
			// c_Filename
			// 
			this.c_Filename.Location = new System.Drawing.Point(8, 64);
			this.c_Filename.Name = "c_Filename";
			this.c_Filename.Size = new System.Drawing.Size(304, 20);
			this.c_Filename.TabIndex = 3;
			this.c_Filename.Text = "";
			// 
			// c_Device
			// 
			this.c_Device.Location = new System.Drawing.Point(8, 24);
			this.c_Device.Name = "c_Device";
			this.c_Device.ReadOnly = true;
			this.c_Device.Size = new System.Drawing.Size(192, 20);
			this.c_Device.TabIndex = 1;
			this.c_Device.Text = "";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(8, 8);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(120, 16);
			this.label2.TabIndex = 0;
			this.label2.Text = "Device:";
			// 
			// c_ChooseSpeed
			// 
			this.c_ChooseSpeed.Location = new System.Drawing.Point(320, 96);
			this.c_ChooseSpeed.Name = "c_ChooseSpeed";
			this.c_ChooseSpeed.Size = new System.Drawing.Size(88, 23);
			this.c_ChooseSpeed.TabIndex = 7;
			this.c_ChooseSpeed.Text = "Choose Speed";
			this.c_ChooseSpeed.Click += new System.EventHandler(this.c_ChooseSpeed_Click);
			// 
			// c_BurnFlags
			// 
			this.c_BurnFlags.Location = new System.Drawing.Point(320, 128);
			this.c_BurnFlags.Name = "c_BurnFlags";
			this.c_BurnFlags.Size = new System.Drawing.Size(88, 23);
			this.c_BurnFlags.TabIndex = 8;
			this.c_BurnFlags.Text = "Burn Flags";
			this.c_BurnFlags.Click += new System.EventHandler(this.c_BurnFlags_Click);
			// 
			// label4
			// 
			this.label4.Location = new System.Drawing.Point(8, 88);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(120, 16);
			this.label4.TabIndex = 5;
			this.label4.Text = "Settings:";
			// 
			// c_Settings
			// 
			this.c_Settings.Location = new System.Drawing.Point(8, 104);
			this.c_Settings.Multiline = true;
			this.c_Settings.Name = "c_Settings";
			this.c_Settings.ReadOnly = true;
			this.c_Settings.ScrollBars = System.Windows.Forms.ScrollBars.Both;
			this.c_Settings.Size = new System.Drawing.Size(304, 88);
			this.c_Settings.TabIndex = 6;
			this.c_Settings.Text = "";
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(8, 200);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(192, 16);
			this.label3.TabIndex = 9;
			this.label3.Text = "Estimated time for video transcoding:";
			// 
			// label5
			// 
			this.label5.Location = new System.Drawing.Point(8, 248);
			this.label5.Name = "label5";
			this.label5.Size = new System.Drawing.Size(120, 16);
			this.label5.TabIndex = 11;
			this.label5.Text = "Estimated disc size:";
			// 
			// c_Estimate
			// 
			this.c_Estimate.Location = new System.Drawing.Point(320, 200);
			this.c_Estimate.Name = "c_Estimate";
			this.c_Estimate.Size = new System.Drawing.Size(88, 23);
			this.c_Estimate.TabIndex = 13;
			this.c_Estimate.Text = "Estimate";
			this.c_Estimate.Click += new System.EventHandler(this.c_Estimate_Click);
			// 
			// c_Burn
			// 
			this.c_Burn.Enabled = false;
			this.c_Burn.Location = new System.Drawing.Point(320, 232);
			this.c_Burn.Name = "c_Burn";
			this.c_Burn.Size = new System.Drawing.Size(88, 23);
			this.c_Burn.TabIndex = 14;
			this.c_Burn.Text = "Burn";
			this.c_Burn.Click += new System.EventHandler(this.c_Burn_Click);
			// 
			// c_EstimatedTime
			// 
			this.c_EstimatedTime.Location = new System.Drawing.Point(8, 216);
			this.c_EstimatedTime.Name = "c_EstimatedTime";
			this.c_EstimatedTime.ReadOnly = true;
			this.c_EstimatedTime.Size = new System.Drawing.Size(160, 20);
			this.c_EstimatedTime.TabIndex = 10;
			this.c_EstimatedTime.Text = "";
			// 
			// c_EstimatedSize
			// 
			this.c_EstimatedSize.Location = new System.Drawing.Point(8, 264);
			this.c_EstimatedSize.Name = "c_EstimatedSize";
			this.c_EstimatedSize.ReadOnly = true;
			this.c_EstimatedSize.Size = new System.Drawing.Size(160, 20);
			this.c_EstimatedSize.TabIndex = 12;
			this.c_EstimatedSize.Text = "";
			// 
			// c_Cancel
			// 
			this.c_Cancel.DialogResult = System.Windows.Forms.DialogResult.Cancel;
			this.c_Cancel.Location = new System.Drawing.Point(320, 264);
			this.c_Cancel.Name = "c_Cancel";
			this.c_Cancel.Size = new System.Drawing.Size(88, 23);
			this.c_Cancel.TabIndex = 15;
			this.c_Cancel.Text = "Cancel";
			// 
			// NVAPIForm
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.CancelButton = this.c_Cancel;
			this.ClientSize = new System.Drawing.Size(418, 296);
			this.Controls.Add(this.c_EstimatedTime);
			this.Controls.Add(this.c_Settings);
			this.Controls.Add(this.c_Device);
			this.Controls.Add(this.c_Filename);
			this.Controls.Add(this.c_EstimatedSize);
			this.Controls.Add(this.c_Browse);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.c_ChooseSpeed);
			this.Controls.Add(this.c_BurnFlags);
			this.Controls.Add(this.label4);
			this.Controls.Add(this.label3);
			this.Controls.Add(this.label5);
			this.Controls.Add(this.c_Estimate);
			this.Controls.Add(this.c_Burn);
			this.Controls.Add(this.c_Cancel);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
			this.MaximizeBox = false;
			this.Name = "NVAPIForm";
			this.ShowInTaskbar = false;
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
			this.Text = "NVAPIForm";
			this.ResumeLayout(false);

		}
		#endregion

		protected override void OnLoad(EventArgs e)
		{
			base.OnLoad (e);

			c_Device.Text = m_drive.DeviceName;
			UpdateEstimateControls ();
			UpdateSettings ();
		}

		private void c_Browse_Click(object sender, System.EventArgs e)
		{
			OpenFileDialog dlg = new OpenFileDialog ();
			dlg.CheckFileExists = true;
			dlg.CheckPathExists = true;
			dlg.DefaultExt = ".xml";
			dlg.FileName = c_Filename.Text;
			dlg.Filter = "XML Project files|*.xml|All files (*.*)|*.*";

			if (DialogResult.OK == dlg.ShowDialog (this))
			{
				c_Filename.Text = dlg.FileName;
				UpdateEstimateControls ();
			}
		}

		private void UpdateEstimateControls ()
		{
			// Enable the Estimate button according to the content
			// of the filename editbox.
			// 
			bool bEnabled = c_Filename.Text != "";

			c_Estimate.Enabled = bEnabled;

			if (!bEnabled)
			{
				c_EstimatedTime.Text = "--- nothing yet ---";
				c_EstimatedSize.Text = "--- nothing yet ---";
			}
		}

		private void UpdateSettings ()
		{
			// Update the settings readonly editbox with current
			// burn flags and write speed settings.
			// 
			c_Settings.Text = "Burn flags: " + m_frmChooseBurnFlags.ToString () + "\r\n\r\n"
				+ "Write speed: " + m_frmChooseWriteSpeed.ToString ();
		}

		private void c_BurnFlags_Click(object sender, System.EventArgs e)
		{
			if (DialogResult.OK == m_frmChooseBurnFlags.ShowDialog (this))
			{
				UpdateSettings ();
			}
		}

		private void c_ChooseSpeed_Click(object sender, System.EventArgs e)
		{
			if (DialogResult.OK == m_frmChooseWriteSpeed.ShowDialog (this))
			{
				UpdateSettings ();
			}
		}

		private void c_Estimate_Click(object sender, System.EventArgs e)
		{
			// The Estimate button is clicked.
			// 
			bool bSuccess = false;

			// Create a new NeroVisionAPI project object.
			// 
			m_project = new NeroVisionAPI.ProjectClass ();

			// Try load the XML project into the project object.
			// 
			if (m_project.SetXMLFile (c_Filename.Text))
			{
				// If the project is loaded successfully, launch the
				// estimation form which will display progress of the
				// estimation.
				// 
				double seconds;
				NVAPIEstimateForm frmEstimate = new NVAPIEstimateForm ();

				if (frmEstimate.Estimate (this, m_project, out seconds))
				{
					// If estimation went ok, display the estimated length.
					// 
					c_EstimatedTime.Text = (seconds/60).ToString ("0") + " minutes and " + (seconds%60).ToString ("0") + " seconds";

					long size;

					// Now, try estimating the disc size.
					// 
					if (m_project.EstimateDiskSize (out size))
					{
						c_EstimatedSize.Text = ((size + 512*1024)/(1024*1024)).ToString () + " MB";

						bSuccess = true;
					}
				}
			}

			// Enable the burn button according to the estimation success.
			// 
			c_Burn.Enabled = bSuccess;

			if (!bSuccess)
			{
				// If the estimation failed, show the error!
				// 
				c_EstimatedTime.Text = "--- error estimating time ---";
				c_EstimatedSize.Text = "--- error estimating size ---";

				ShowNVAPIError ();
			}
		}

		private void ShowNVAPIError ()
		{
			if (m_project != null)
			{
				// Get the error object from the project and
				// display its content.
				// 
				NeroVisionAPI.IError err = m_project.LastError;

				MessageBox.Show (this, "Error: " + err.ErrText + ", code: " + err.ErrCode.ToString ());
			}
		}

		private void c_Burn_Click(object sender, System.EventArgs e)
		{
			// When the Burn button is clicked, create an estimation form
			// which is used for showing transcoding progress as well.
			// 
			NVAPIEstimateForm frmEstimate = new NVAPIEstimateForm ();
			NeroVisionAPI.INeroBurnContext pBurnContext;

			// Display the progress form. We will get INeroBurnContext as a result.
			// 
			if (frmEstimate.CreateNeroBurnContext (this, m_project, out pBurnContext))
			{
				// If transcoding went well, we should proceed with burning.
				// Create a burn progress form.
				// 
				BurnProgressForm frmBurnProgress = new BurnProgressForm (m_drive, m_nero);

				// Start burning...
				// 
				frmBurnProgress.BurnNeroBurnContext (pBurnContext,
					m_frmChooseBurnFlags.GetBurnFlags (),
					m_frmChooseWriteSpeed.GetSpeed (),
					this);
			}
			else
			{
				ShowNVAPIError ();
			}

			// Once burn was attempted, we should disable further attempts.
			// A successful estimation will re-enable it again.
			// 
			c_Burn.Enabled = false;
		}
	}
}