///
/// Copyright (c) 2016-2018 Sensus Slovensko a.s.
///
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Windows.Forms;
using SharedDatabase;
using SharedDatabase.Entities;

namespace Workplace.CheckItems
{
	public partial class Barcode : UserControl, ICheckItem
	{
        public override string ToString()
        {
            return string.Format("Barcode: {0} {1}", IxPolozky, Part.Name);
        }

        WorkplaceDlg parent;

        public Part Part { get; set; }
        public int IxPolozky { get; set; }

        public IList<string> BlackListedCodes
        {
            get { return blackListedCodes; }
            set
            {
                blackListedCodes = value;
                blackListLabel.Visible = (blackListedCodes != null) && (blackListedCodes.Count > 0);
            }
        }
        IList<string> blackListedCodes;

		public string ScannedCode
		{
			get { return scannedCodeTextBox.Text; }
            set { scannedCodeTextBox.Text = value; }
        }

		Barcode()
		{
			InitializeComponent();
            blackListedCodes = new List<string>();
		}

		public Barcode(WorkplaceDlg parent, Part part)
			: this()
		{
			this.parent = parent;
            this.Part = part;
            scannedCodeTextBox.Text = (part.DefaultCode != null) ? part.DefaultCode : string.Empty;
            kodMaterialuLabel.Text = part.Name;
			descriptionMaterialuLabel.Text = part.Description;

            if (part.CodeForm == (sbyte)CodeForm.Barcode)
            {
                try
                {
                    Stream imageStream = Assembly.GetExecutingAssembly().GetManifestResourceStream("Workplace.Barcode.png");
                    pictureBox1.Image = new Bitmap(imageStream);
                }
                catch {}
            }
		}

        public void ClearCode()
        {
            if (Part.CodeType != (sbyte)CodeType.Silicon)
            {
                scannedCodeTextBox.Text = (Part.DefaultCode != null) ? Part.DefaultCode : string.Empty;
            }
        }
        
        public void SubmitCode(string code)
        {
            scannedCodeTextBox.Text = code;
            scannedCodeTextBox_KeyPress(null, new KeyPressEventArgs('\r'));
        }

		public void ResetFocus()
		{
			setFocusButton.Text = "";
		}

		public void SetFocus()
		{
            ClearCode();
            setFocusButton.Text = ">";
			scannedCodeTextBox.Focus();
		}

		private void setFocusButton_Click(object sender, EventArgs e)
		{
            setFocusButton.Text = ">";
            parent.OnFocusPressed(this, new FocusPressedEventArgs(IxPolozky, Part.CodeLocation));
		}

		private void scannedCodeTextBox_KeyPress(object sender, KeyPressEventArgs e)
		{
            if (e.KeyChar != '\r') return;

            if (blackListedCodes != null)
            {
                if (null != blackListedCodes.FirstOrDefault<string>(x => x.Equals(scannedCodeTextBox.Text)))
                {
                    parent.OnBarcodeReceived(this, new BarcodeReceivedEventArgs(scannedCodeTextBox.Text, IxPolozky, Part.CodeLocation, PartError.BlacklistedPart));
                    return;
                }
            }

            PartError error = PartError.None;
            if (string.IsNullOrEmpty(scannedCodeTextBox.Text))
            {
                error = PartError.FieldEmpty;
            }
            else
            {
                switch ((CodeType)Part.CodeType)
                {
                    case CodeType.FlowtubeNr:
                        if ((scannedCodeTextBox.Text.Length < 3) || !scannedCodeTextBox.Text.Substring(0, 3).Equals(Part.Name.Substring(Part.Name.Length - 3)))
                        {
                            error = PartError.WrongPart;
                        }
                        break;

                    case CodeType.FlowtubeNrLU:
                        if ((scannedCodeTextBox.Text.Length < Part.Name.Length ||
                                        !scannedCodeTextBox.Text.Substring(0, Part.Name.Length).Equals(Part.Name)))
                        {
                            error = PartError.WrongPart;
                        }
                        break;

                    case CodeType.BatchNrContainingPartName:
                        if (!scannedCodeTextBox.Text.Contains(Part.Name))
                        {
                            error = PartError.WrongPart;
                        }
                        break;

                    case CodeType.DateMMYY:
                        if (Part.LifetimeManagement == LifetimeManagement.OneYear)
                        {
                            int mmyy;
                            if (!int.TryParse(scannedCodeTextBox.Text, out mmyy))
                            {
                                error = PartError.WrongPart;
                            }
                            else
                            {
                                int batteryMonthsSince2000 = 12 * (mmyy % 100) + (mmyy / 100);
                                int monthsSince2000 = 12 * (DateTime.Now.Year - 2000) + DateTime.Now.Month;
                                int age = monthsSince2000 - batteryMonthsSince2000;

                                if (age < 0 || age > 12 + parent.ExtraBatteryLifetime)
                                {
                                    error = PartError.WrongPart;
                                }
                            }
                        }
                        break;
                }
            }

			parent.OnBarcodeReceived(this, new BarcodeReceivedEventArgs(scannedCodeTextBox.Text, IxPolozky, Part.CodeLocation, error));
		}

        private void Polozka_MouseClick(object sender, MouseEventArgs e)
        {
            if (e.Button != MouseButtons.Right) return;

            LocalSettingsFormForPolozka dlg = new LocalSettingsFormForPolozka();
            if (dlg.ShowDialog() != DialogResult.OK) return;

            if (string.IsNullOrEmpty(dlg.BlackListFileName))
            {
                if (this.IxPolozky == Program.LocalSettings.BlackListIx1)
                {
                    Program.LocalSettings.BlackListIx1 = 0;
                    Program.LocalSettings.BlackListFile1 = string.Empty;
                }

                if (this.IxPolozky == Program.LocalSettings.BlackListIx2)
                {
                    Program.LocalSettings.BlackListIx2 = 0;
                    Program.LocalSettings.BlackListFile2 = string.Empty;
                }

                if (this.IxPolozky == Program.LocalSettings.BlackListIx3)
                {
                    Program.LocalSettings.BlackListIx3 = 0;
                    Program.LocalSettings.BlackListFile3 = string.Empty;
                }
            }
            else if (Program.LocalSettings.BlackListIx1 == this.IxPolozky)
            {
                Program.LocalSettings.BlackListIx1 = this.IxPolozky;
                Program.LocalSettings.BlackListFile1 = dlg.BlackListFileName;
            }
            else if (Program.LocalSettings.BlackListIx2 == this.IxPolozky)
            {
                Program.LocalSettings.BlackListIx2 = this.IxPolozky;
                Program.LocalSettings.BlackListFile2 = dlg.BlackListFileName;
            }
            else if (Program.LocalSettings.BlackListIx3 == this.IxPolozky)
            {
                Program.LocalSettings.BlackListIx3 = this.IxPolozky;
                Program.LocalSettings.BlackListFile3 = dlg.BlackListFileName;
            }
            else if (Program.LocalSettings.BlackListIx1 == 0)
            {
                Program.LocalSettings.BlackListIx1 = this.IxPolozky;
                Program.LocalSettings.BlackListFile1 = dlg.BlackListFileName;
            }
            else if (Program.LocalSettings.BlackListIx2 == 0)
            {
                Program.LocalSettings.BlackListIx2 = this.IxPolozky;
                Program.LocalSettings.BlackListFile2 = dlg.BlackListFileName;
            }
            else if (Program.LocalSettings.BlackListIx3 == 0)
            {
                Program.LocalSettings.BlackListIx3 = this.IxPolozky;
                Program.LocalSettings.BlackListFile3 = dlg.BlackListFileName;
            }
            else
            {
                MessageBox.Show("Too many black lists, the black list was not saved !");
                return;
            }

            BlackListedCodes = !string.IsNullOrEmpty(dlg.BlackListFileName) ? Workplace.BlackList.FromFile(dlg.BlackListFileName).Codes : null;
            Program.LocalSettings.Save();
        }
	}
}