///
/// Copyright (c) 2015-2018 Sensus Slovensko a.s.
///
using System;
using System.IO;
using System.Windows.Forms;
using log4net;
using Config.Entities;
using TBF.BenchControl.Generic;
using TBF.BenchControl.Configs;

namespace TBF.BenchControl.Output.Printers.Label
{
	public partial class PrinterCfgCtrl : ConfigCtrlUtils, IComponentCfgCtrl
	{
		static readonly ILog log = LogManager.GetLogger(typeof(PrinterCfgCtrl));

		public bool ShowMore { get { return false; } }

		PrinterCfg config;
		public IComponentCfg Config
		{
			get { return config as IComponentCfg; }
			set
			{
				config = value as PrinterCfg;
				Redraw();
			}
		}

		string[] itemsToPrint;

		public PrinterCfgCtrl()
		{
			InitializeComponent();
			Localize();

			orientationComboBox.Items.Add(PageOrientation.Portrait.ToString());
			orientationComboBox.Items.Add(PageOrientation.Landscape.ToString());

			foreach (var ff in System.Drawing.FontFamily.Families)
			{
				fontFamilyComboBox.Items.Add(ff.Name);
			}
		}

		private void PrinterCfgCtrl_Load(object sender, EventArgs e)
		{
			for (Culture s = 0; s < Culture.Count; s++) cultureComboBox.Items.Add(s.ToString());

			itemsToPrint = config.ItemsToPrint;

			Redraw();
		}

		void Localize()
		{
		}

		public void Closing()
		{
		}

		void Redraw()
		{
			if (config == null) return;			/// Control was not loaded, settings were not changed
			classNameLabel.Text = config.Factory.ClassName;
			nameTextBox.Text = config.Name;
			templateTextBox.Text = config.Template;
			orientationComboBox.Text = config.PageOrientation.ToString();
			paperWidthTextBox.Text = config.PaperWidth.ToString();
			paperHeightTextBox.Text = config.PaperHeight.ToString();

			fontFamilyComboBox.Text = config.FontFamily;
			fontSizeTextBox.Text = config.FontSize.ToString();
			boldCheckBox.Checked = ((config.FontStyle & (int)System.Drawing.FontStyle.Bold) != 0);
			italicCheckBox.Checked = ((config.FontStyle & (int)System.Drawing.FontStyle.Italic) != 0);

			cultureComboBox.Text = config.Culture.ToString();
			nrOfCopiesTextBox.Text = config.NrOfCopies.ToString();
			goodOnlyCheckBox.Checked = config.GoodOnly;
			supressPrintingCheckBox.Checked = config.SupressPrinting;
		}

		public void Unlock()
		{
			nameTextBox.Enabled = true;
			templateTextBox.Enabled = true;
			orientationComboBox.Enabled = true;
			paperWidthTextBox.Enabled = true;
			paperHeightTextBox.Enabled = true;
			itemsToPrintButton.Enabled = true;
			fontFamilyComboBox.Enabled = true;
			fontSizeTextBox.Enabled = true;
			boldCheckBox.Enabled = true;
			italicCheckBox.Enabled = true;
			cultureComboBox.Enabled = true;
			nrOfCopiesTextBox.Enabled = true;
			goodOnlyCheckBox.Enabled = true;
			supressPrintingCheckBox.Enabled = true;
		}

		public CfgUpdateFlags VerifyCfg(ref string message)
		{
			CfgUpdateFlags flags = CfgUpdateFlags.None;

			if (!File.Exists(Path.Combine("C:\\TBF\\Templates", templateTextBox.Text)))
			{
				message += Environment.NewLine + "Template file missing";
				flags |= CfgUpdateFlags.Error;
			}

			if ((int)GetOrientation(orientationComboBox.Text) < 0)
			{
				message += Environment.NewLine + "Invalid page orientation";
				flags |= CfgUpdateFlags.Error;
			}

			int dummy;
			if (!int.TryParse(paperWidthTextBox.Text, out dummy) || dummy <= 0)
			{
				message += Environment.NewLine + "Invalid paper width";
				flags |= CfgUpdateFlags.Error;
			}
			if (!int.TryParse(paperHeightTextBox.Text, out dummy) || dummy <= 0)
			{
				message += Environment.NewLine + "Invalid paper height";
				flags |= CfgUpdateFlags.Error;
			}
			if (!int.TryParse(fontSizeTextBox.Text, out dummy) || dummy < 6 || dummy > 48)
			{
				message += Environment.NewLine + "Font size' should be between 6 and 48";
				flags |= CfgUpdateFlags.Error;
			}
			if (!cultureComboBox.Items.Contains(cultureComboBox.Text))
			{
				message += Environment.NewLine + "Invalid culture";
				flags |= CfgUpdateFlags.Error;
			}
			if (!int.TryParse(nrOfCopiesTextBox.Text, out dummy) || dummy < 0 || dummy > 9)
			{
				message += Environment.NewLine + "'Number of copies' should be between 0 and 9";
				flags |= CfgUpdateFlags.Error;
			}

			return flags;
		}

		public CfgUpdateFlags UpdateCfg()
		{
			CfgUpdateFlags flags = CfgUpdateFlags.None;

			if (config == null) return CfgUpdateFlags.Error;	/// Control was not loaded, settings were not changed


			if (config.Name != nameTextBox.Text)
			{
				config.Name = nameTextBox.Text;
				flags |= (CfgUpdateFlags.RestartRqrd | CfgUpdateFlags.AnyChange);
			}

			flags |= UpdateDifferent(ref config.Template, templateTextBox.Text, CfgUpdateFlags.InvokeCfgChange | CfgUpdateFlags.AnyChange);

			if (config.PageOrientation != GetOrientation(orientationComboBox.Text))
			{
				config.PageOrientation = GetOrientation(orientationComboBox.Text);
				flags |= (CfgUpdateFlags.InvokeCfgChange | CfgUpdateFlags.AnyChange);
			}

			flags |= UpdateDifferent(ref config.PaperWidth, paperWidthTextBox.Text, CfgUpdateFlags.InvokeCfgChange | CfgUpdateFlags.AnyChange);
			flags |= UpdateDifferent(ref config.PaperHeight, paperHeightTextBox.Text, CfgUpdateFlags.InvokeCfgChange | CfgUpdateFlags.AnyChange);
			
			flags |= UpdateDifferent(ref config.ItemsToPrint, itemsToPrint, CfgUpdateFlags.InvokeCfgChange | CfgUpdateFlags.AnyChange);

			/// Body font properties
			flags |= UpdateDifferent(ref config.FontFamily, fontFamilyComboBox.Text, CfgUpdateFlags.InvokeCfgChange | CfgUpdateFlags.AnyChange);
			flags |= UpdateDifferent(ref config.FontSize, int.Parse(fontSizeTextBox.Text), CfgUpdateFlags.InvokeCfgChange | CfgUpdateFlags.AnyChange);
			int tmp = (boldCheckBox.Checked ? (int)System.Drawing.FontStyle.Bold : 0)
				    + (italicCheckBox.Checked ? (int)System.Drawing.FontStyle.Italic : 0);
			flags |= UpdateDifferent(ref config.FontStyle, tmp, CfgUpdateFlags.InvokeCfgChange | CfgUpdateFlags.AnyChange);

			for (Culture i = 0; i < Culture.Count; i++)
			{
				if (i.ToString().Equals(cultureComboBox.Text) && (config.Culture != i))
				{
					config.Culture = i;
					flags |= (CfgUpdateFlags.InvokeCfgChange | CfgUpdateFlags.AnyChange);
					break;
				}
			}

			flags |= UpdateDifferent(ref config.NrOfCopies, nrOfCopiesTextBox.Text, CfgUpdateFlags.InvokeCfgChange | CfgUpdateFlags.AnyChange);
			flags |= UpdateDifferent(ref config.GoodOnly, goodOnlyCheckBox.Checked, CfgUpdateFlags.InvokeCfgChange | CfgUpdateFlags.AnyChange);
			flags |= UpdateDifferent(ref config.SupressPrinting, supressPrintingCheckBox.Checked, CfgUpdateFlags.InvokeCfgChange | CfgUpdateFlags.AnyChange);

			if ((flags & CfgUpdateFlags.InvokeCfgChange) != 0)
			{
				Printer.OnCfgChange(this, new CfgChangeArgs(CfgChangeCmd.CfgChange, config));
			}

			return flags;
		}

		private void itemsToPrintButton_Click(object sender, EventArgs e)
		{
			Results.Forms.ResultsConfigDlg dlg = new Results.Forms.ResultsConfigDlg()
			{
				SelectedItems = Results.WMeterRsltItemSpec.FromStrArray(itemsToPrint),
			};

			if (dlg.ShowDialog() == DialogResult.OK)
			{
				itemsToPrint = Results.WMeterRsltItemSpec.ToStrArray(dlg.SelectedItems);
			}
		}

		#region Configuration Change Handling

		public static void OnCmdResponse(object sender, CmdResponseArgs args)
		{
			if (CmdResponseHandler == null) return;
			try { CmdResponseHandler(sender, args); }
			catch (Exception e) { log.Error("CmdResponseHandler(...) failed", e); }
		}

		public static event EventHandler<CmdResponseArgs> CmdResponseHandler;

		public void StartResponseHandler() { }
		public void StopResponseHandler() { }

		#endregion Configuration Change Handling
	}
}