Imports System.Collections.ObjectModel
Imports System.Windows.Forms
Imports EgtWPFLib5
Imports MySql.Data.MySqlClient

Public Class SearchClientPageVM
   Inherits ClientPageVM

#Region "FIELDS & PROPERTIES"

   Private m_SelSearchResult As SearchClient
   Public Property SelSearchResult As SearchClient
      Get
         Return m_SelSearchResult
      End Get
      Set(value As SearchClient)
         m_SelSearchResult = value
      End Set
   End Property

   Private m_SearchResult As ObservableCollection(Of SearchClient)
   Public ReadOnly Property SearchResult As ObservableCollection(Of SearchClient)
      Get
         Return m_SearchResult
      End Get
   End Property

   Private m_ResellerList As List(Of Reseller)
   Public Overloads ReadOnly Property ResellerList As List(Of Reseller)
      Get
         Return m_ResellerList
      End Get
   End Property

   Private m_SelReseller As Reseller
   Public Overloads Property SelReseller As Reseller
      Get
         Return m_SelReseller
      End Get
      Set(value As Reseller)
         m_SelReseller = value
         NotifyPropertyChanged("SelReseller")
      End Set
   End Property

   ' Definizione comandi
   Private m_cmdNewClient As Command
   Private m_cmdSearch As Command
   Private m_cmdCancel As Command
   Private m_cmdUpdate As Command
   Private m_cmdDelete As Command

#Region "Messages"

   Public ReadOnly Property SearchClientMsg As String
      Get
         Return "Search client"
      End Get
   End Property

   Public ReadOnly Property NewMsg As String
      Get
         Return "New"
      End Get
   End Property

   Public ReadOnly Property SearchMsg As String
      Get
         Return "Search"
      End Get
   End Property

   Public ReadOnly Property CancelMsg As String
      Get
         Return "Close"
      End Get
   End Property

   Public ReadOnly Property UpdateMsg As String
      Get
         Return "Update"
      End Get
   End Property

   Public ReadOnly Property DeleteMsg As String
      Get
         Return "Delete"
      End Get
   End Property

#End Region    ' Messages

#End Region    ' FIELDS & PROPERTIES

#Region "CONSTRUCTOR"

   Sub New()
      ' Imposto riferimento nella mappa
      Map.SetRefSearchClientPageVM(Me)
   End Sub

#End Region    ' CONSTRUCTOR

#Region "METHODS"

   Friend Sub InitSearchClientPage()
      MyBase.InitClientPage()

      ' Carico lista Reseller
      Dim resQuery As String = "SELECT * FROM " & DB_RESELLER
      m_ResellerList = ManageDb.ExecuteResellerQuery(resQuery)
      NotifyPropertyChanged("ResellerList")

      ' m_SearchResult = New ObservableCollection(Of SearchClient)()
      Dim Query As String = "SELECT * FROM " & DB_CLIENT & " INNER JOIN " & DB_RESELLER &
          " ON " & DB_CLIENT & "." & DB_RESELLERID & " = " & DB_RESELLER & "." & DB_RESELLERID & " "
      m_SearchResult = New ObservableCollection(Of SearchClient)(ManageDb.ExecuteSearchClientQuery(Query))
      NotifyPropertyChanged("SearchResult")
   End Sub


#End Region    ' METHODS

#Region "COMMANDS"

#Region "NewClient"

   ' Returns a command that manage the MainWindow_Unloaded command
   Public ReadOnly Property NewClient_Command As ICommand
      Get
         If m_cmdNewClient Is Nothing Then
            m_cmdNewClient = New Command(AddressOf NewClient)
         End If
         Return m_cmdNewClient
      End Get
   End Property

   Public Sub NewClient(ByVal param As Object)

      ' Manage the MainWindow_Unloaded event. This method is invoked by the cmdMainWindow_Unloaded.
      Map.refMainWindowVM.SelProjectMode = MainWindowVM.ProjectModeOpt.NEWCLIENT

   End Sub

#End Region    ' NewClient

#Region "Search"

   ' Returns a command that manage the MainWindow_Unloaded command
   Public ReadOnly Property SearchClient_Command As ICommand
      Get
         If m_cmdSearch Is Nothing Then
            m_cmdSearch = New Command(AddressOf Search)
         End If
         Return m_cmdSearch
      End Get
   End Property

   Public Sub Search(ByVal param As Object)
      ' Cerco nella tabella Client
      Dim Query As String = "SELECT * FROM " & DB_CLIENT & " INNER JOIN " & DB_RESELLER &
          " ON " & DB_CLIENT & "." & DB_RESELLERID & " = " & DB_RESELLER & "." & DB_RESELLERID & " "
      Dim bFirstWhere As Boolean = True
      If Not String.IsNullOrWhiteSpace(Name) OrElse
            Not String.IsNullOrWhiteSpace(Email) OrElse
         Not IsNothing(SelReseller) Then
         Query &= "WHERE "
         If Not String.IsNullOrWhiteSpace(Name) Then
            EvalWhere(bFirstWhere, Query)
            Query &= DB_NAME & " LIKE '" & Name & "%' "
         End If
         If Not IsNothing(SelReseller) Then
            EvalWhere(bFirstWhere, Query)
            Query &= DB_RESELLERNAME & " LIKE '" & SelReseller.ResellerName & "%' "
         End If
         If Not IsNothing(Email) Then
            EvalWhere(bFirstWhere, Query)
            Query &= DB_EMAIL & " LIKE '" & Email & "%' "
         End If
         Query = Query.TrimEnd(","c, " "c)
      End If
      m_SearchResult = New ObservableCollection(Of SearchClient)(ManageDb.ExecuteSearchClientQuery(Query))
      If (m_SearchResult.Count = 0) Then
         MessageBox.Show("Nessun risultato per i filtri impostati")
      End If
      NotifyPropertyChanged("SearchResult")
   End Sub

   Private Sub EvalWhere(ByRef bFirst As Boolean, ByRef Query As String)
      If bFirst Then
         bFirst = False
      Else
         Query &= " AND "
      End If
   End Sub

#End Region    ' Search

#Region "Cancel"

   ' Returns a command that manage the MainWindow_Unloaded command
   Public ReadOnly Property Cancel_Command As ICommand
      Get
         If m_cmdCancel Is Nothing Then
            m_cmdCancel = New Command(AddressOf Cancel)
         End If
         Return m_cmdCancel
      End Get
   End Property

   Public Sub Cancel(ByVal param As Object)

      ' Manage the MainWindow_Unloaded event. This method is invoked by the cmdMainWindow_Unloaded.
      Map.refMainWindowVM.SelProjectMode = MainWindowVM.ProjectModeOpt.MAINMENU

   End Sub

#End Region    ' Cancel

#Region "Update"

   ' Returns a command that manage the MainWindow_Unloaded command
   Public ReadOnly Property UpdateClient_Command As ICommand
      Get
         If m_cmdUpdate Is Nothing Then
            m_cmdUpdate = New Command(AddressOf Update)
         End If
         Return m_cmdUpdate
      End Get
   End Property

   Public Sub Update(ByVal param As Object)
      If Not IsNothing(m_SelSearchResult) Then
         ' Manage the MainWindow_Unloaded event. This method is invoked by the cmdMainWindow_Unloaded.
         Map.refUpdateClientPageVM.IdToUpdate = m_SelSearchResult.ClientID
         Map.refMainWindowVM.SelProjectMode = MainWindowVM.ProjectModeOpt.UPDATECLIENT
      Else
         MessageBox.Show("Non è stato selezionato nessun cliente")
      End If

   End Sub

#End Region    ' Update

#Region "Delete"

   ' Returns a command that manage the MainWindow_Unloaded command
   Public ReadOnly Property DeleteClient_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

   Public Sub Delete(ByVal param As Object)
      If Not IsNothing(m_SelSearchResult) Then
         ' Manage the MainWindow_Unloaded event. This method is invoked by the cmdMainWindow_Unloaded.
         If MessageBox.Show("Do you really want to delete this Client?", "Delete", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) = DialogResult.No Then
            MsgBox("Operation cancelled")
            Exit Sub
         End If
         ' Cerco nella tabella Client
         Dim Query As String = "DELETE FROM " & DB_CLIENT & " WHERE " & DB_CLIENTID & " = " & m_SelSearchResult.ClientID
         Dim Result As Integer = ExecuteQuery(Query)
         If Result <> 0 Then
            MsgBox("Operation executed")
         End If
         ' Map.refMainWindowVM.SelProjectMode = MainWindowVM.ProjectModeOpt.SEARCHCLIENT
         Search(param)
      Else
            MessageBox.Show("Non è stato selezionato nessun cliente")
      End If
   End Sub

#End Region    ' Delete

#End Region    ' COMMANDS


End Class

Public Class SearchClient
   Inherits Client

   Private m_ResellerName As String
   Public ReadOnly Property ResellerName As String
      Get
         Return m_ResellerName
      End Get
   End Property

   Sub New(ClientReader As MySqlDataReader)
      MyBase.New(ClientReader)
      m_ResellerName = CType(ClientReader(DB_RESELLERNAME), String)
   End Sub

End Class