Imports System.Collections.ObjectModel
Imports System.IO
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Data
Imports System.Windows.Input
Imports EgtBEAMWALL.Core
Imports EgtBEAMWALL.Core.ConstBeam
Imports EgtUILib
Imports EgtWPFLib5

Public MustInherit Class OpenProjectFileDialogVM
   Inherits VMBase

#Region "FIELDS & PROPERTIES"

   Friend Event m_CloseWindow(bDialogResult As Boolean)

   Protected m_ProjectColumns As New ObservableCollection(Of EgtDataGridColumn)
   Public Property ProjectColumns As ObservableCollection(Of EgtDataGridColumn)
      Get
         Return m_ProjectColumns
      End Get
      Set(value As ObservableCollection(Of EgtDataGridColumn))
         m_ProjectColumns = value
      End Set
   End Property

   Protected m_ProjectType As ProjectType

   Protected m_sFilter As String
   Public Property Filter As String
      Get
         Return m_sFilter
      End Get
      Set(value As String)
         m_sFilter = value
      End Set
   End Property

   Protected m_sFileNameFilter As Predicate(Of String)
   Public Property FileNameFilter As Predicate(Of String)
      Get
         Return m_sFileNameFilter
      End Get
      Set(value As Predicate(Of String))
         m_sFileNameFilter = value
      End Set
   End Property

   Protected m_sExtensions As New List(Of String)
   Public ReadOnly Property Extensions As List(Of String)
      Get
         Return m_sExtensions
      End Get
   End Property

   Public m_ProjectList_View As CollectionView = Nothing
   Protected m_ProjectList As New ObservableCollection(Of ProjectFileVM)
   Public ReadOnly Property ProjectList As ObservableCollection(Of ProjectFileVM)
      Get
         Return m_ProjectList
      End Get
   End Property

   Protected m_SelProject As ProjectFileVM
   Public Property SelProject As ProjectFileVM
      Get
         Return m_SelProject
      End Get
      Set(value As ProjectFileVM)
         m_SelProject = value
      End Set
   End Property

   Protected m_FileName As String
   Public Property FileName As String
      Get
         Return m_FileName
      End Get
      Set(value As String)
         m_FileName = value
      End Set
   End Property

   ' lista campi per ricerca testuale e con datepicker
   Protected m_SearchColumnList As New ObservableCollection(Of IdNameStruct)
   Public ReadOnly Property SearchColumnList As ObservableCollection(Of IdNameStruct)
      Get
         Return m_SearchColumnList
      End Get
   End Property

   Protected m_SelSearchColumn As IdNameStruct = Nothing
   Public Property SelSearchColumn As IdNameStruct
      Get
         Return m_SelSearchColumn
      End Get
      Set(value As IdNameStruct)
         ' resetto il contenuto della barra di ricerca testuale
         m_SearchText = ""
         NotifyPropertyChanged(NameOf(SearchText))
         ' resetto le selezioni sul calendario
         If Not IsNothing(SearchDate) Then SearchDate.Clear()
         ' setto il Tipo Filtro a NULL e refresho la lista dei progetti (in modo da averli visibili tutti)
         m_SelSearchColumn = m_SearchColumnList(0)
         m_ProjectList_View.Refresh()
         ' ora setto il valore scelto come Tipo Filtro
         m_SelSearchColumn = value
         Select Case m_SelSearchColumn.Id
            Case OpenProjFileColumn.ID, OpenProjFileColumn.BTLFILENAME, OpenProjFileColumn.LISTNAME
               SearchText_Visibility = Visibility.Visible
               SearchDate_Visibility = Visibility.Collapsed
            Case OpenProjFileColumn.EXPORTDATE, OpenProjFileColumn.CREATEDATE
               SearchText_Visibility = Visibility.Collapsed
               SearchDate_Visibility = Visibility.Visible
            Case Else
               SearchText_Visibility = Visibility.Collapsed
               SearchDate_Visibility = Visibility.Collapsed
         End Select
      End Set
   End Property

   Protected m_SearchText As String = ""
   Public Property SearchText As String
      Get
         Return m_SearchText
      End Get
      Set(value As String)
         m_SearchText = value
         m_ProjectList_View.Refresh()
      End Set
   End Property

   Friend m_SearchDate As SelectedDatesCollection = Nothing
   Public ReadOnly Property SearchDate As SelectedDatesCollection
      Get
         Return m_SearchDate
      End Get
   End Property

   Protected m_SearchText_Visibility As Visibility = Visibility.Collapsed
   Public Property SearchText_Visibility As Visibility
      Get
         Return m_SearchText_Visibility
      End Get
      Set(value As Visibility)
         m_SearchText_Visibility = value
         NotifyPropertyChanged(NameOf(SearchText_Visibility))
      End Set
   End Property

   Protected m_SearchDate_Visibility As Visibility = Visibility.Collapsed
   Public Property SearchDate_Visibility As Visibility
      Get
         Return m_SearchDate_Visibility
      End Get
      Set(value As Visibility)
         m_SearchDate_Visibility = value
         NotifyPropertyChanged(NameOf(SearchDate_Visibility))
      End Set
   End Property

   Public Enum OpenProjFileColumn As Integer
      NULL = 0
      ID = 1
      BTLFILENAME = 2
      LISTNAME = 3
      EXPORTDATE = 4
      CREATEDATE = 5
   End Enum

#Region "Messages"

   Public ReadOnly Property FilterType_Msg As String
      Get
         Return EgtMsg(61836)
      End Get
   End Property
   Public ReadOnly Property Search_Msg As String
      Get
         Return EgtMsg(61837)
      End Get
   End Property

   Public ReadOnly Property Id_Msg As String
      Get
         Return EgtMsg(61815)
      End Get
   End Property
   Public ReadOnly Property BTLFileName_Msg As String
      Get
         Return EgtMsg(61819)
      End Get
   End Property
   Public ReadOnly Property ListName_Msg As String
      Get
         Return EgtMsg(61820)
      End Get
   End Property
   Public ReadOnly Property ExportDate_Msg As String
      Get
         Return EgtMsg(61821)
      End Get
   End Property
   Public ReadOnly Property CreateDate_Msg As String
      Get
         Return EgtMsg(61822)
      End Get
   End Property
   Public ReadOnly Property Name_Msg As String
      Get
         Return EgtMsg(61808)
      End Get
   End Property

   Public ReadOnly Property Open_Msg As String
      Get
         Return EgtMsg(30006)
      End Get
   End Property
   Public ReadOnly Property Delete_Msg As String
      Get
         Return EgtMsg(61823)
      End Get
   End Property
   Public ReadOnly Property Cancel_Msg As String
      Get
         Return EgtMsg(30002)
      End Get
   End Property

#End Region

   ' Definizione comandi
   Private m_cmdProjectDoubleClick As ICommand
   Private m_cmdDelete As ICommand

#End Region    ' FIELDS & PROPERTIES

#Region "METHODS"

   Public MustOverride Function Init(ProjectType As ProjectType, Optional CurrProjectList As List(Of ProjectFileVM) = Nothing) As Boolean?

   Protected Sub LoadColumns(ProjectType As ProjectType)
      If ProjectType = ProjectType.PROJ Then
         ' carico le colonne della datagrid
         GetPrivateProfileColumns(S_OPENPROJFILEDLG_PROJ, ProjectColumns)
         ' carico campi su cui eseguire il filtro di ricerca
         m_SearchColumnList = New ObservableCollection(Of IdNameStruct)({New IdNameStruct(OpenProjFileColumn.NULL, ""),
                                                                        New IdNameStruct(OpenProjFileColumn.ID, Id_Msg),
                                                                        New IdNameStruct(OpenProjFileColumn.BTLFILENAME, BTLFileName_Msg),
                                                                        New IdNameStruct(OpenProjFileColumn.LISTNAME, ListName_Msg),
                                                                        New IdNameStruct(OpenProjFileColumn.EXPORTDATE, ExportDate_Msg),
                                                                        New IdNameStruct(OpenProjFileColumn.CREATEDATE, CreateDate_Msg)})
      ElseIf ProjectType = ProjectType.PROD Then
         ' carico le colonne della datagrid
         GetPrivateProfileColumns(S_OPENPROJFILEDLG_PROD, ProjectColumns)
         ' carico campi su cui eseguire il filtro di ricerca
         m_SearchColumnList = New ObservableCollection(Of IdNameStruct)({New IdNameStruct(OpenProjFileColumn.NULL, ""),
                                                                        New IdNameStruct(OpenProjFileColumn.ID, Id_Msg),
                                                                        New IdNameStruct(OpenProjFileColumn.BTLFILENAME, BTLFileName_Msg),
                                                                        New IdNameStruct(OpenProjFileColumn.CREATEDATE, CreateDate_Msg)})
      End If
   End Sub

   Friend Function VerifySelected() As Boolean
      If IsNothing(SelProject) Then Return False
      Dim AllFilesInDir As IEnumerable(Of String)
      If m_ProjectType = Core.ConstBeam.ProjectType.PROJ Then
         ' verifico se esiste ProdId
         AllFilesInDir = IO.Directory.EnumerateFiles(SelProject.sProjDirPath)
      ElseIf m_ProjectType = Core.ConstBeam.ProjectType.PROD Then
         AllFilesInDir = IO.Directory.EnumerateFiles(SelProject.sProdDirPath)
      End If
      For Each File In AllFilesInDir
         If Path.GetExtension(File).ToLower() = ".nge" Then
            Return True
         End If
      Next
      Return False
   End Function

   Protected Function ProjectFilter(Proj As Object) As Boolean
      Dim bProjectOk As Boolean = True
      If m_ProjectType = ProjectType.PROJ Then
         Dim CurrProj As ProjFileVM = DirectCast(Proj, ProjFileVM)
         If m_SelSearchColumn.Id <> OpenProjFileColumn.NULL AndAlso (
            (m_SelSearchColumn.Id = OpenProjFileColumn.EXPORTDATE AndAlso Not SearchDate.Contains(CurrProj.dtExportDate.Date)) OrElse
            (m_SelSearchColumn.Id = OpenProjFileColumn.CREATEDATE AndAlso Not SearchDate.Contains(CurrProj.dtCreateDate.Date))) Then bProjectOk = False
         If m_SelSearchColumn.Id <> OpenProjFileColumn.NULL AndAlso m_SearchText <> String.Empty AndAlso (
            (m_SelSearchColumn.Id = OpenProjFileColumn.ID AndAlso CurrProj.sProjId.ToString.IndexOf(SearchText, StringComparison.InvariantCultureIgnoreCase) < 0) OrElse
            (m_SelSearchColumn.Id = OpenProjFileColumn.BTLFILENAME AndAlso CurrProj.sBTLFileName.IndexOf(SearchText, StringComparison.InvariantCultureIgnoreCase) < 0) OrElse
            (m_SelSearchColumn.Id = OpenProjFileColumn.LISTNAME AndAlso CurrProj.sListName.IndexOf(SearchText, StringComparison.InvariantCultureIgnoreCase) < 0)) Then bProjectOk = False
      ElseIf m_ProjectType = ProjectType.PROD Then
         Dim CurrProj As ProdFileVM = DirectCast(Proj, ProdFileVM)
         If m_SelSearchColumn.Id <> OpenProjFileColumn.NULL AndAlso (
            (m_SelSearchColumn.Id = OpenProjFileColumn.CREATEDATE AndAlso Not SearchDate.Contains(CurrProj.dtCreateDate.Date))) Then bProjectOk = False
         If m_SelSearchColumn.Id <> OpenProjFileColumn.NULL AndAlso m_SearchText <> String.Empty AndAlso (
            (m_SelSearchColumn.Id = OpenProjFileColumn.ID AndAlso CurrProj.sProdId.ToString.IndexOf(SearchText, StringComparison.InvariantCultureIgnoreCase) < 0) OrElse
            (m_SelSearchColumn.Id = OpenProjFileColumn.BTLFILENAME AndAlso CurrProj.sBTLFileName.IndexOf(SearchText, StringComparison.InvariantCultureIgnoreCase) < 0)) Then bProjectOk = False
      End If
      Return bProjectOk
   End Function

#End Region    ' METHODS

#Region "COMMANDS"

#Region "ProjectDoubleClick"

   ''' <summary>
   ''' Returns a command that do New.
   ''' </summary>
   Public ReadOnly Property ProjectDoubleClick_Command As ICommand
      Get
         If m_cmdProjectDoubleClick Is Nothing Then
            m_cmdProjectDoubleClick = New Command(AddressOf ProjDoubleClick)
         End If
         Return m_cmdProjectDoubleClick
      End Get
   End Property

   ''' <summary>
   ''' Execute the New.  This method is invoked by the NewCommand.
   ''' </summary>
   Friend Sub ProjDoubleClick()
      If VerifySelected() Then
         RaiseEvent m_CloseWindow(True)
      End If
   End Sub

#End Region ' ProjectDoubleClick

#Region "Delete"

   ''' <summary>
   ''' Returns a command that do New.
   ''' </summary>
   Public ReadOnly Property Delete_Command As ICommand
      Get
         If m_cmdDelete Is Nothing Then
            m_cmdDelete = New Command(AddressOf Delete)
         End If
         Return m_cmdDelete
      End Get
   End Property

   ''' <summary>
   ''' Execute the New.  This method is invoked by the NewCommand.
   ''' </summary>
   Public Overridable Sub Delete()
   End Sub

#End Region ' Delete

#End Region    ' Commands

End Class