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using System.ComponentModel;
using System.Windows;
using FwUpdateApiSample;

namespace FwUpdateTool.WizardSteps
{
    /// <summary>
    /// Interaction logic for ConfirmationScreen.xaml
    /// </summary>
    public partial class ConfirmationScreen : IWizardScreen, INotifyPropertyChanged
    {
        #region members

        private bool _isHost;
        private string _nvmVersion;
        private string _nvmFileVersion;
        private string _pdVersion;
        private string _pdFileVersion;
        private bool? _osNativePciEnumeration;
        private bool _osNativePciEnumerationFile;
        private string _fwupdateMethod;
        private bool _isUsb4Device;
        private bool _hasSharedNvmWithPd;
        private string _deviceType;

        /// <summary>
        /// Tells if the current controller is host controller or device
        /// Controls the visibility of host-specific UI elements
        /// </summary>
        public bool IsHost
        {
            get { return _isHost; }
            set
            {
                _isHost = value;
                OnPropertyChanged("IsHost");
            }
        }

        /// <summary>
        /// Current NVM version that will appear in confirmation screen
        /// </summary>
        public string NvmVersion
        {
            get { return _nvmVersion; }
            set
            {
                _nvmVersion = value;
                OnPropertyChanged("NvmVersion");
            }
        }

        public string NvmFileVersion
        {
            get { return _nvmFileVersion; }
            set
            {
                _nvmFileVersion = value;
                OnPropertyChanged("NvmFileVersion");
            }
        }

        /// <summary>
        /// Current PD version that will appear in confirmation screen
        /// </summary>
        public string PdVersion
        {
            get { return _pdVersion; }
            set
            {
                _pdVersion = value;
                OnPropertyChanged("PdVersion");
            }
        }

        /// <summary>
        /// PD version in FW image file that will appear in confirmation screen
        /// </summary>
        public string PdFileVersion
        {
            get { return _pdFileVersion; }
            set
            {
                _pdFileVersion = value;
                OnPropertyChanged("PdFileVersion");
            }
        }

        /// <summary>
        /// Controller "native express" status that will appear in confirmation screen
        /// null - for safe-mode
        /// Host-only property; doesn't matter when updating a device
        /// </summary>
        public bool? OsNativePciEnumeration
        {
            get { return _osNativePciEnumeration; }
            set
            {
                _osNativePciEnumeration = value;
                OnPropertyChanged("OsNativePciEnumeration");
            }
        }

        /// <summary>
        /// FW image file "native express" status that will appear in confirmation screen
        /// Host-only property; doesn't matter when updating a device
        /// </summary>
        public bool OsNativePciEnumerationFile
        {
            get { return _osNativePciEnumerationFile; }
            set
            {
                _osNativePciEnumerationFile = value;
                OnPropertyChanged("OsNativePciEnumerationFile");
            }
        }

        /// <summary>
        /// Update method through which the device will be updated (USB/TBT/SW_CM) that will appear in confirmation screen
        /// Device-only property; doesn't matter when updating a host
        /// </summary>
        public string FWUpdateMethod
        {
            get { return _fwupdateMethod; }
            set
            {
                _fwupdateMethod = value;
                OnPropertyChanged("FWUpdateMethod");
            }
        }

        /// <summary>
        /// Tells if the current device is a Usb4 device or a legacy device
        /// Device-only property, controls the visibility of device-specific UI elements; doesn't matter when updating a host
        /// </summary>
        public bool IsUsb4Device
        {
            get { return _isUsb4Device; }
            set
            {
                _isUsb4Device = value;
                OnPropertyChanged("IsUsb4Device");
            }
        }

        /// <summary>
        /// Tells if the current device has NVM with shared PD
        /// Controls the visibility of UI elements
        /// </summary>
        public bool HasSharedNvmWithPd
        {
            get { return _hasSharedNvmWithPd; }
            set
            {
                _hasSharedNvmWithPd = value;
                OnPropertyChanged("HasSharedNvmWithPd");
            }
        }

        /// <summary>
        /// Current device type that will appear in confirmation screen
        /// </summary>
        public string DeviceType
        {
            get { return _deviceType; }
            set
            {
                _deviceType = value;
                OnPropertyChanged("DeviceType");
            }
        }

        #endregion

        public ConfirmationScreen()
        {
            InitializeComponent();
        }

        /// <summary>
        /// Start FW update process button, switching to next screen ( FwUpdateProcessScreen )
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void StartButton_Click(object sender, RoutedEventArgs e)
        {
            var mainWin = (Application.Current.MainWindow as MainWindow);
            if (mainWin != null)
            {
                mainWin.NextButton_Click(sender, e);
            }
        }

        #region IWizardScreen

        public bool CancelButtonActive
        {
            get { return true; }
        }

        public bool NextButtonActive
        {
            get { return false; }
        }

        public bool BackButtonActive
        {
            get { return true; }
        }

        public string[] Title
        {
            get { return new[] {"Confirmation"}; }
        }

        #endregion

        #region INotifyPropertyChanged

        public event PropertyChangedEventHandler PropertyChanged;
        // Create the OnPropertyChanged method to raise the event 
        private void OnPropertyChanged(string name)
        {
            var handler = PropertyChanged;
            if (handler != null)
            {
                handler(this, new PropertyChangedEventArgs(name));
            }
        }

        protected void OnPageChange()
        {
            OnPropertyChanged("CancelButtonActive");
            OnPropertyChanged("NextButtonActive");
            OnPropertyChanged("BackButtonActive");
        }

        #endregion
    }
}
