// Copyright (c) 2017 schick Informatik
// Description: Extra methods needed sometimes. Das WaitCursor (fire- and forget) Verfahren gefällt mir sehr gut, ich hoffe
// es funktioniert unter den meisten Umständen ;-) Idee von hier:
// https://stackoverflow.com/a/7482321

using System;
using System.Collections.Generic;

using System.Reflection;
using System.Windows;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Threading;

using bsmd.database;

namespace ENI2.Util
{
    public static class UIHelper
    {

        private static bool isBusy;
        private static readonly Random r = new Random();
        

        public enum BusyStateEnum
        {
            NEUTRAL,
            BUSY,
            FAIL,
            SUCCESS
        }

        public static void SetBusyState()
        {
            SetBusyState(true);
        }

        private static void SetBusyState(bool busy)
        {
           
            if(busy != isBusy)
            {
                isBusy = busy;
                Mouse.OverrideCursor = isBusy ? Cursors.Wait : null;               
            }

            if(isBusy)
            {
                _ = new DispatcherTimer(TimeSpan.FromSeconds(0), DispatcherPriority.ApplicationIdle, dispatcherTimer_Tick, Application.Current.Dispatcher);
            }
        }

        private static void dispatcherTimer_Tick(object sender, EventArgs e)
        {
            if (sender is DispatcherTimer timer)
            {
                SetBusyState(false);               
                timer.Stop();
            }
        }

        public static bool IsModal(this Window window)
        {
            return (bool)typeof(Window).GetField("_showingAsDialog", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(window);
        }

        public static Color GetRandomBrightColor()
        {
            return Color.FromRgb((byte) r.Next(150, 255), (byte) r.Next(150, 255), (byte) r.Next(150, 255));
        }

        public static BitmapSource CreateBitmapSource(this System.Drawing.Bitmap bitmap)
        {
            if (bitmap == null)
                throw new ArgumentNullException("bitmap");

            System.Drawing.Rectangle rect = new System.Drawing.Rectangle(0, 0, bitmap.Width, bitmap.Height);

            System.Drawing.Imaging.BitmapData bitmapData = bitmap.LockBits(rect,
                System.Drawing.Imaging.ImageLockMode.ReadWrite,
                System.Drawing.Imaging.PixelFormat.Format32bppArgb);

            try
            {
                var size = rect.Width * rect.Height * 4;

                return BitmapSource.Create(
                    bitmap.Width,
                    bitmap.Height,
                    bitmap.HorizontalResolution,
                    bitmap.VerticalResolution,
                    PixelFormats.Bgra32,
                    null,
                    bitmapData.Scan0,
                    size,
                    bitmapData.Stride);
            }
            finally
            {
                bitmap.UnlockBits(bitmapData);
            }
        }

        public static void SetMessageIcons(List<Message> messages)
        {
            foreach (Message aMessage in messages)
            {
                switch (aMessage.MessageNotificationClass)
                {
                    case Message.NotificationClass.VISIT:
                    case Message.NotificationClass.TRANSIT:
                        aMessage.ENINotificationDetailGroup = Properties.Resources.textOverview;
                        aMessage.ENINotificationIconString = "../Resources/documents.png";
                        aMessage.ENINotificationDetailIndex = 0;
                        break;
                    case Message.NotificationClass.NOA_NOD:
                    case Message.NotificationClass.AGNT:
                        aMessage.ENINotificationIconString = "../Resources/eye_blue.png";
                        aMessage.ENINotificationDetailGroup = Properties.Resources.textPortCall;
                        aMessage.ENINotificationDetailIndex = 1;
                        break;
                    case Message.NotificationClass.NAME:
                    case Message.NotificationClass.INFO:
                    case Message.NotificationClass.SERV:
                    case Message.NotificationClass.LADG:
                        aMessage.ENINotificationIconString = "../Resources/anchor.png";
                        aMessage.ENINotificationDetailGroup = Properties.Resources.textPortNotification;
                        aMessage.ENINotificationDetailIndex = 2;
                        break;
                    case Message.NotificationClass.WAS:
                    case Message.NotificationClass.WAS_RCPT:
                        aMessage.ENINotificationIconString = "../Resources/garbage.png";
                        aMessage.ENINotificationDetailGroup = Properties.Resources.textWaste;
                        aMessage.ENINotificationDetailIndex = 3;
                        break;
                    case Message.NotificationClass.ATA:
                    case Message.NotificationClass.POBA:
                    case Message.NotificationClass.TIEFA:
                    case Message.NotificationClass.BKRA:
                        aMessage.ENINotificationIconString = "../Resources/arrow_down_right_red.png";
                        aMessage.ENINotificationDetailGroup = Properties.Resources.textArrivalNotification;
                        aMessage.ENINotificationDetailIndex = 4;
                        break;
                    case Message.NotificationClass.SEC:
                        aMessage.ENINotificationIconString = "../Resources/shield_yellow.png";
                        aMessage.ENINotificationDetailGroup = Properties.Resources.textSecurity;
                        aMessage.ENINotificationDetailIndex = 5;
                        break;
                    case Message.NotificationClass.PRE72H:
                        aMessage.ENINotificationIconString = "../Resources/alarmclock.png";
                        aMessage.ENINotificationDetailGroup = Properties.Resources.textPSC72h;
                        aMessage.ENINotificationDetailIndex = 6;
                        break;
                    case Message.NotificationClass.MDH:
                        aMessage.ENINotificationIconString = "../Resources/medical_bag.png";
                        aMessage.ENINotificationDetailGroup = Properties.Resources.textMDH;
                        aMessage.ENINotificationDetailIndex = 7;
                        break;
                    case Message.NotificationClass.ATD:
                    case Message.NotificationClass.TIEFD:
                    case Message.NotificationClass.BKRD:
                    case Message.NotificationClass.POBD:
                        aMessage.ENINotificationIconString = "../Resources/arrow_up_right_green.png";
                        aMessage.ENINotificationDetailGroup = Properties.Resources.textDepartureNotification;
                        aMessage.ENINotificationDetailIndex = 8;
                        break;
                    case Message.NotificationClass.STAT:
                        aMessage.ENINotificationIconString = "../Resources/containership.png";
                        aMessage.ENINotificationDetailGroup = Properties.Resources.textShipData;
                        aMessage.ENINotificationDetailIndex = 9;
                        break;
                    case Message.NotificationClass.BPOL:
                    case Message.NotificationClass.CREWA:
                    case Message.NotificationClass.PASA:
                    case Message.NotificationClass.CREWD:
                    case Message.NotificationClass.PASD:
                        aMessage.ENINotificationIconString = "../Resources/policeman_german.png";
                        aMessage.ENINotificationDetailGroup = Properties.Resources.textBorderPolice;
                        aMessage.ENINotificationDetailIndex = 10;
                        break;

                    case Message.NotificationClass.HAZA:
                        aMessage.ENINotificationIconString = "../Resources/sign_warning_radiation.png";
                        aMessage.ENINotificationDetailGroup = Properties.Resources.textDGArrival;
                        aMessage.ENINotificationDetailIndex = 11;
                        break;
                    case Message.NotificationClass.HAZD:
                        aMessage.ENINotificationIconString = "../Resources/sign_warning_radiation.png";
                        aMessage.ENINotificationDetailGroup = Properties.Resources.textDGDeparture;
                        aMessage.ENINotificationDetailIndex = 12;
                        break;
                    case Message.NotificationClass.TOWA:
                    case Message.NotificationClass.TOWD:
                        aMessage.ENINotificationIconString = "../Resources/ship2.png";
                        aMessage.ENINotificationDetailGroup = Properties.Resources.textTowage;
                        aMessage.ENINotificationDetailIndex = 13;
                        break;
                    default:
                        aMessage.ENINotificationDetailGroup = "unspecified";
                        break;
                }
            }
        }
    }
}