///
/// Copyright (c) 2017 Sensus Metering Systems
///
using System;
using System.Collections.Generic;
using System.Windows.Forms;
using log4net;
using Config.Entities;
using TBF.BenchControl.Generic;
using TBF.Resources;

namespace TBF.BenchControl.Output.Printers.Enhanced
{
	public partial class PrinterCfgCtrl : UserControl, 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 header;
		string[] commonItems;
		string[] testItems;
		string footer;

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

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

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

			header = config.Header;
			commonItems = config.CommonItems;
			testItems = config.SelectedItems;
			footer = config.Footer;

			Redraw();
		}

		void Localize()
		{
			nameLabel.Text = Strings.Name;
			cultureLabel.Text = "Culture";
			headerButton.Text = Strings.Header;
			commonItemsButton.Text = "Common items";
			testItemsButton.Text = "Test items";
			footerButton.Text = Strings.Footer;
		}

		public void Closing()
		{
		}

		PageOrientation GetOrientation(string str)
		{
			if (str.Equals(PageOrientation.Landscape.ToString())) return PageOrientation.Landscape;
			if (str.Equals(PageOrientation.Portrait.ToString())) return PageOrientation.Portrait;
			return (PageOrientation)(-1);
		}

		void Redraw()
		{
			if (config == null) return;			/// Control was not loaded, settings were not changed
			classNameLabel.Text = config.Factory.ClassName;
			nameTextBox.Text = config.Name;
			orientationComboBox.Text = config.PageOrientation.ToString();
			topMarginTextBox.Text = config.TopMargin.ToString();
			bottomMarginTextBox.Text = config.BottomMargin.ToString();
			leftMarginTextBox.Text = config.LeftMargin.ToString();
			supressPrintingCheckBox.Checked = config.SupressPrinting;
			cultureComboBox.Text = config.Culture.ToString();
		}

		public void Unlock()
		{
			nameTextBox.Enabled = true;
			orientationComboBox.Enabled = true;
			topMarginTextBox.Enabled = true;
			bottomMarginTextBox.Enabled = true;
			leftMarginTextBox.Enabled = true;
			supressPrintingCheckBox.Enabled = true;
			cultureComboBox.Enabled = true;
			headerButton.Enabled = true;
			commonItemsButton.Enabled = true;
			testItemsButton.Enabled = true;
			footerButton.Enabled = true;
		}

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

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

			int dummy;
			if (!int.TryParse(topMarginTextBox.Text, out dummy) || dummy < 0 || dummy > 500)
			{
				message += Environment.NewLine + "'Top margin' should be between 0 and 500";
				flags |= CfgUpdateFlags.Error;
			}

			if (!int.TryParse(bottomMarginTextBox.Text, out dummy) || dummy < 0 || dummy > 200)
			{
				message += Environment.NewLine + "'Bottom margin' should be between 0 and 200";
				flags |= CfgUpdateFlags.Error;
			}

			if (!int.TryParse(leftMarginTextBox.Text, out dummy) || dummy < 0 || dummy > 200)
			{
				message += Environment.NewLine + "Left margin' should be between 0 and 200";
				flags |= CfgUpdateFlags.Error;
			}

			if (!cultureComboBox.Items.Contains(cultureComboBox.Text))
			{
				flags |= CfgUpdateFlags.Error;
				message += Environment.NewLine + "Invalid culture";
			}

			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);
			}

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

			int tmp = int.Parse(topMarginTextBox.Text);
			if (config.TopMargin != tmp)
			{
				config.TopMargin = tmp;
				flags |= (CfgUpdateFlags.InvokeCfgChange | CfgUpdateFlags.AnyChange);
			}

			tmp = int.Parse(bottomMarginTextBox.Text);
			if (config.BottomMargin != tmp)
			{
				config.BottomMargin = tmp;
				flags |= (CfgUpdateFlags.InvokeCfgChange | CfgUpdateFlags.AnyChange);
			}

			tmp = int.Parse(leftMarginTextBox.Text);
			if (config.LeftMargin != tmp)
			{
				config.LeftMargin = tmp;
				flags |= (CfgUpdateFlags.InvokeCfgChange | CfgUpdateFlags.AnyChange);
			}

			if (config.SupressPrinting != supressPrintingCheckBox.Checked)
			{
				config.SupressPrinting = supressPrintingCheckBox.Checked;
				flags |= (CfgUpdateFlags.InvokeCfgChange | CfgUpdateFlags.AnyChange);
			}

			if (config.CommonItems != commonItems)
			{
				config.CommonItems = commonItems;
				flags |= (CfgUpdateFlags.InvokeCfgChange | CfgUpdateFlags.AnyChange);
			}

			if (config.SelectedItems != testItems)
			{
				config.SelectedItems = testItems;
				flags |= (CfgUpdateFlags.InvokeCfgChange | CfgUpdateFlags.AnyChange);
			}

			if (config.Header != header)
			{
				config.Header = header;
				flags |= (CfgUpdateFlags.InvokeCfgChange | CfgUpdateFlags.AnyChange);
			}

			if (config.Footer != footer)
			{
				config.Footer = footer;
				flags |= (CfgUpdateFlags.InvokeCfgChange | CfgUpdateFlags.AnyChange);
			}

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

			return flags;
		}

		private void headerButton_Click(object sender, EventArgs e)
		{
			HeaderFooterDlg dlg = new HeaderFooterDlg(true, string.IsNullOrEmpty(header) ? string.Empty : header.Replace("~", Environment.NewLine));
			if (dlg.ShowDialog() == DialogResult.OK)
			{
				header = dlg.EditedText.Replace(Environment.NewLine, "~");
			}
		}

		private void commonItemsButton_Click(object sender, EventArgs e)
		{
			Results.Forms.ResultsConfigDlg dlg = new Results.Forms.ResultsConfigDlg()
			{
				MetersKind = config.MetersKind,
				SelectedItems = Results.WMeterRsltItemSpec.FromStrArray(commonItems),
			};

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

		private void testItemsButton_Click(object sender, EventArgs e)
		{
			Results.Forms.ResultsConfigDlg dlg = new Results.Forms.ResultsConfigDlg(true)
			{
				MetersKind = config.MetersKind,
				SelectedItems = Results.WMeterRsltItemSpec.FromStrArray(testItems),
			};

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

		private void footerButton_Click(object sender, EventArgs e)
		{
			HeaderFooterDlg dlg = new HeaderFooterDlg(false, string.IsNullOrEmpty(footer) ? string.Empty : footer.Replace("~", Environment.NewLine));
			if (dlg.ShowDialog() == DialogResult.OK)
			{
				footer = dlg.EditedText.Replace(Environment.NewLine, "~");
			}
		}

		#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
	}
}