using System;
using System.Collections.Generic;

namespace Wayne.ForecourtControl.Fusion
{

    public static class FUSIONFactory
    {
        public static Dictionary<int, IForecourtControl> fusionForecourtControlList = new Dictionary<int, IForecourtControl>();

        // Methods
        public static IForecourtControl CreateForecourtControl(int deviceId, IForecourtConfiguration configuration, IPumpAuthorizationIdGenerator authorizationIdGenerator)
        {
            var fusionForecourtControl = CreateFUSIONForecourtControlLocal(deviceId, ForecourtEntityTypes.All, null, configuration, authorizationIdGenerator);
            return fusionForecourtControl;
        }

        // Methods
        public static IForecourtControl CreateForecourtControl(int deviceId, IPumpAuthorizationIdGenerator authorizationIdGenerator)
        {
            return CreateFUSIONForecourtControlLocal(deviceId, ForecourtEntityTypes.All, null, null, authorizationIdGenerator);
        }

        public static IForecourtControl CreateForecourtControl(int deviceId, ForecourtEntityTypes managedEntityTypes, IPumpAuthorizationIdGenerator authorizationIdGenerator)
        {
            IForecourtControl fusionForecourtControl = CreateFUSIONForecourtControlLocal(deviceId, managedEntityTypes, null, null, authorizationIdGenerator);
            return fusionForecourtControl;
        }

        public static IForecourtControl CreateForecourtControl(int deviceId, ForecourtEntityTypes managedEntityTypes, int[] managedPumpIds, IPumpAuthorizationIdGenerator authorizationIdGenerator)
        {
            IForecourtControl fusionForecourtControl = CreateFUSIONForecourtControlLocal(deviceId, managedEntityTypes, managedPumpIds, null, authorizationIdGenerator);
            return fusionForecourtControl;
        }

        public static bool SetForecourtConfiguration(int deviceId, IForecourtConfiguration config, IPumpAuthorizationIdGenerator authorizationIdGenerator)
        {
            IForecourtControl fusionForecourtControl = null;
            fusionForecourtControl = CreateForecourtControl(deviceId, authorizationIdGenerator);
            if ((FUSIONForecourtControl)fusionForecourtControl == null)
                return false;
            ((FUSIONForecourtControl)fusionForecourtControl).ForecourtConfiguration = config;
            return true;
        }

        private static FUSIONForecourtControl CreateFUSIONForecourtControlLocal(int deviceId, ForecourtEntityTypes managedEntityTypes, int[] managedPumpIds, IForecourtConfiguration config, IPumpAuthorizationIdGenerator authorizationIdGenerator)
        {
            FUSIONForecourtControl fusionForecourtControl = null;
            byte[] validationInfo = null;
            if (!fusionForecourtControlList.ContainsKey(deviceId))
            {
                try
                {
                    string softsealAssembly = ConfigurationParams.getSINPPath("bin\\") + "fusionSoftseal.dll";
                    System.Reflection.Assembly assembly = null;
                    Trace.WriteLine(string.Format("softsealAssembly: '{0}'", softsealAssembly));
                    if (System.IO.File.Exists(softsealAssembly))
                        assembly = System.Reflection.Assembly.LoadFrom(softsealAssembly);
                    if (assembly == null)
                    {
                        softsealAssembly = ConfigurationParams.getSINPPath("") + "fusionSoftseal.dll";
                        Trace.WriteLine(string.Format("NOT FOUND ... try softsealAssembly: '{0}'", softsealAssembly));
                        if (System.IO.File.Exists(softsealAssembly))
                            assembly = System.Reflection.Assembly.LoadFrom(softsealAssembly);
                    }
                    if (assembly != null)
                    {
                        Trace.WriteLine(string.Format("FOUND softsealAssembly: '{0}'", softsealAssembly));
                        Type fusionSoftsealType = assembly.GetType("Wayne.Softseal.FusionSoftseal");
                        Object fusionSoftsealObject = Activator.CreateInstance(fusionSoftsealType);
                        object retVal;

                        System.Reflection.MethodInfo mtdValidate = fusionSoftsealType.GetMethod("Validate");
                        retVal = mtdValidate.Invoke(fusionSoftsealObject, null);
                        validationInfo = (byte[]) retVal;
                    }
                    else
                        Trace.WriteLine(string.Format("NOT FOUND ! softsealAssembly: '{0}'", softsealAssembly));

                    fusionForecourtControl = new FUSIONForecourtControl(deviceId, managedEntityTypes, managedPumpIds, config, authorizationIdGenerator);

                    FUSIONFactory.fusionForecourtControlList.Add(deviceId, fusionForecourtControl);
                    Trace.WriteLine(string.Format("FUSIONForecourtControl created"));

                    fusionForecourtControl.manager.ifsfManager.LogOnAddValidationInfo(validationInfo);
                }
                catch (Exception ex)
                {
                    Trace.WriteLine(string.Format("Errore: {0}", ex.Message));
                }
            }
            else
                fusionForecourtControl = fusionForecourtControlList[deviceId] as FUSIONForecourtControl;
            return fusionForecourtControl;
        }

        public static string getFUSIONFwRelease(int deviceId, string sConnectionString)
        {
            string sFwRelease = "";
            // fwRelease string is composed by: version.release.hotfix

            var fusionForecourtControl = CreateForecourtControl(deviceId, NoPumpAuthorizationIdGenerator.Instance);
            if (((FUSIONForecourtControl)fusionForecourtControl).manager.Connect(sConnectionString))
            {
                ((FUSIONForecourtControl)fusionForecourtControl).manager.versionInfoWakeUpEvent.Reset();
                ((FUSIONForecourtControl)fusionForecourtControl).manager.ifsfManager.VersionInfo(null, null, null);
                ((FUSIONForecourtControl)fusionForecourtControl).manager.ifsfManager.GetCountrySettings(null, null, null);
                ((FUSIONForecourtControl)fusionForecourtControl).manager.versionInfoWakeUpEvent.WaitOne();
                sFwRelease = ((FUSIONForecourtControl)fusionForecourtControl).manager.getFwRelease();
            }
            return sFwRelease;
        }

        public static bool LogOnValidationInfo(int deviceId, byte[] validationInfo)
        {
            IForecourtControl fusionForecourtControl = null;
            fusionForecourtControl = CreateForecourtControl(deviceId, NoPumpAuthorizationIdGenerator.Instance);
            if ((FUSIONForecourtControl)fusionForecourtControl == null)
                return false;
            ((FUSIONForecourtControl)fusionForecourtControl).manager.ifsfManager.LogOnAddValidationInfo(validationInfo);
            return true;
        }

        public static void Remove(FUSIONForecourtControl fusionForecourtControl)
        {
            if (fusionForecourtControlList.ContainsKey(fusionForecourtControl.Id) && fusionForecourtControlList[fusionForecourtControl.Id] == fusionForecourtControl)
            {
                fusionForecourtControlList.Remove(fusionForecourtControl.Id);
            }
        }
    }
}