Public Class FormList

    ' ----- Privates Attributes -----
    Private aTypeofPerson As PersonType
    Private aFormMode As ListFormMode

    ' ----- Initialisators ------
    Private Sub FormList_Load(sender As System.Object, e As System.EventArgs) Handles MyBase.Load

    End Sub

    Public Sub New(aTypeOfPerson As PersonType, aFormMode As ListFormMode, Optional aMeet As Meet = Nothing)
        Console.WriteLine("FormList : Begining of a new instance")
        ' Cet appel est requis par le concepteur.
        InitializeComponent()

        ' Ajoutez une initialisation quelconque après l'appel InitializeComponent().
        Me.aTypeofPerson = aTypeOfPerson
        Me.aFormMode = aFormMode
        ' If we show the list to pick up someone and return him back to the calling window
        If aFormMode = ListFormMode.Selector Then
            TSButtonClose.Text = "Cancel"
            TSButtonSelect.Visible = True
            TSPin.Visible = False
            CMSSelect.Visible = True
            CMSSep.Visible = True
            ListView.HeaderStyle = ColumnHeaderStyle.None
            ListView.Columns(0).Width = 300
            ListView.Columns(1).Width = 1
        ElseIf aFormMode = ListFormMode.Viewer Then                 ' If we show the list to manage peoples inside
            TSButtonClose.Text = "Close"
            TSButtonSelect.Visible = False
            CMSSelect.Visible = False
            CMSSep.Visible = False
            If aTypeOfPerson = PersonType.BabySitter Then TSPin.Visible = True
            ListView.HeaderStyle = ColumnHeaderStyle.None
            ListView.Columns(0).Width = 300
            ListView.Columns(1).Width = 1
        ElseIf aFormMode = ListFormMode.SelectFiltered Then         ' Special mode to pick up a babysitter, without the possibility to add or delete one.
            TSButtonClose.Text = "Cancel"
            TSButtonAdd.Visible = False
            TSButtonSelect.Visible = True
            TSButtonDelete.Visible = False
            TSPin.Visible = False
            CMSDelete.Visible = False
            ListView.HeaderStyle = ColumnHeaderStyle.None
            ListView.Columns(0).Width = 300
            ListView.Columns(1).Width = 1
        ElseIf aFormMode = ListFormMode.SelectWithAdress Then       ' Special mode to pick up a parent address
            TSButtonClose.Text = "Cancel"
            TSButtonAdd.Visible = False
            TSButtonSelect.Visible = True
            TSButtonDelete.Visible = False
            TSPin.Visible = False
            ListView.HeaderStyle = ColumnHeaderStyle.Nonclickable
            ListView.Columns(0).Width = 140
            ListView.Columns(1).Width = 160
            CMSDelete.Visible = False
        End If
        loadList(aMeet)

        If aTypeOfPerson = PersonType.BabySitter Then
            Me.Text = "List of babysitters"
            Me.TSButtonAdd.Text = "Add a babysitter"
        ElseIf aTypeOfPerson = PersonType.Parent Then
            Me.Text = "List of parent"
            Me.TSButtonAdd.Text = "Add a parent"
        Else
            Console.WriteLine("FormList : " + aTypeOfPerson)
            Me.Text = "List of " + aTypeOfPerson.ToString
        End If

    End Sub

    ' ----- Methodes -----

    Private Sub ViewSelected()
        If Me.aTypeofPerson = PersonType.BabySitter Then
            Dim aBS As BabySitter = dbdata.getBabysitterByID(ListView.SelectedItems(0).Tag)
            Dim aFormBS As FormBabySitterID = New FormBabySitterID(IDFormMode.VIEWER, aBS)
            Dim conclusion As DialogResult = aFormBS.ShowDialog()
            If conclusion = Windows.Forms.DialogResult.OK Then
                reloadList()
            End If
            aFormBS.Dispose()
        ElseIf Me.aTypeofPerson = PersonType.Parent Then
            Dim aParent As Parent = dbdata.getParentByID(ListView.SelectedItems(0).Tag)
            Dim aFormParent As FormParentID = New FormParentID(IDFormMode.VIEWER, aParent)
            Dim conclusion As DialogResult = aFormParent.ShowDialog
            If conclusion = Windows.Forms.DialogResult.OK Then
                reloadList()
            End If
            aFormParent.Dispose()
        End If
    End Sub

    ''' <summary>
    ''' Show a window to edit the element
    ''' </summary>
    ''' <remarks></remarks>
    Private Sub EditSelected()
        If Me.aTypeofPerson = PersonType.BabySitter Then
            Dim aBS As BabySitter = dbdata.getBabysitterByID(ListView.SelectedItems(0).Tag)
            Dim aFormBS As FormBabySitterID = New FormBabySitterID(IDFormMode.EDITOR, aBS)
            Dim conclusion As DialogResult = aFormBS.ShowDialog()
            If conclusion = Windows.Forms.DialogResult.OK Then
                reloadList()
            End If
            aFormBS.Dispose()
        ElseIf Me.aTypeofPerson = PersonType.Parent Then
            Dim aParent As Parent = dbdata.getParentByID(ListView.SelectedItems(0).Tag)
            Dim aFormParent As FormParentID = New FormParentID(IDFormMode.EDITOR, aParent)
            Dim conclusion As DialogResult = aFormParent.ShowDialog
            If conclusion = Windows.Forms.DialogResult.OK Then
                reloadList()
            End If
            aFormParent.Dispose()
        End If
    End Sub

    ''' <summary>
    ''' Return the selected element to the calling window
    ''' </summary>
    ''' <remarks></remarks>
    Private Sub ReturnSelected()
        If PrepareSelected() Then
            Console.WriteLine("FormList : Closing instance")
            Me.DialogResult = Windows.Forms.DialogResult.OK
            Me.Hide()
        End If
    End Sub

    Private Function PrepareSelected() As Boolean
        If ListView.SelectedItems.Count > 0 Then
            Me.Tag = ListView.SelectedItems(0).Tag
            Return True
        End If
        Return False
    End Function

    Private Sub reloadList()
        ListView.Items.Clear()
        loadList(Nothing)
    End Sub

    Private Sub loadList(aMeet As Meet)
        ' Babysitter
        If aTypeofPerson = PersonType.BabySitter Then
            ' Getting back babysitters
            Dim BSList As List(Of BabySitter) = FilterList(aMeet)

            For Each aBS As BabySitter In BSList
                ListView.Items.Add(aBS.firstname + " " + aBS.lastname).Tag = aBS.id
            Next
            ' Parent
        ElseIf aTypeofPerson = PersonType.Parent Then
            Dim ParentList As List(Of Parent) = dbdata.getParents()

            For Each aParent As Parent In ParentList
                Dim itemChild As ListViewItem = ListView.Items.Add(aParent.firstname + " " + aParent.lastname)
                If aFormMode = ListFormMode.SelectWithAdress Then itemChild.SubItems.Add(aParent.address)
                itemChild.Tag = aParent.id
            Next
        End If
    End Sub

    Private Function FilterList(wishedMeet As Meet) As List(Of BabySitter)
        If wishedMeet Is Nothing Then
            Return dbdata.getBabysitters()
        End If

        Dim ABSList As List(Of BabySitter) = dbdata.getAvailableBabysitters()
        Dim FilteredBSList As List(Of BabySitter) = New List(Of BabySitter)
        For Each aBS As BabySitter In ABSList
            If Not (wishedMeet.overlap(aBS.meet1) Or
                wishedMeet.overlap(aBS.meet2) Or
                wishedMeet.overlap(aBS.meet3)) Then
                FilteredBSList.Add(aBS)
            End If
        Next
        Return FilteredBSList
    End Function

    ' ----- Handles and Listerners -----
    Private Sub DeleteSelected()
        Dim msgResult As DialogResult = MsgBox("You are about to remove " & ListView.SelectedItems(0).Text & " from the software. Would you continue ?", MsgBoxStyle.YesNo, "Confirm deletion")
        If msgResult = vbYes Then
            If Me.aTypeofPerson = PersonType.BabySitter Then
                dbdata.deleteBabysitterByID(ListView.SelectedItems(0).Tag)
            ElseIf Me.aTypeofPerson = PersonType.Parent Then
                dbdata.deleteParentByID(ListView.SelectedItems(0).Tag)
            End If
            reloadList()
        End If
    End Sub

    Private Sub CMSDelete_Click(sender As System.Object, e As System.EventArgs) Handles CMSDelete.Click
        DeleteSelected()
    End Sub

    Private Sub TSButtonDelete_Click(sender As System.Object, e As System.EventArgs) Handles TSButtonDelete.Click
        DeleteSelected()
    End Sub

    Private Sub TSButtonAdd_Click(sender As System.Object, e As System.EventArgs) Handles TSButtonAdd.Click
        If (aTypeofPerson = PersonType.Parent) Then
            Dim createParent As FormParentID = New FormParentID(IDFormMode.CREATOR)
            Dim conclusion As DialogResult = createParent.ShowDialog
            If conclusion = Windows.Forms.DialogResult.OK Then
                reloadList()
            End If
            createParent.Dispose()
        ElseIf aTypeofPerson = PersonType.BabySitter Then
            Dim createBD As FormBabySitterID = New FormBabySitterID(IDFormMode.CREATOR)
            Dim conclusion As DialogResult = createBD.ShowDialog
            If conclusion = Windows.Forms.DialogResult.OK Then
                reloadList()
            End If
            createBD.Dispose()
        End If
    End Sub

    Private Sub TSButtonEdit_Click(sender As System.Object, e As System.EventArgs) Handles TSButtonEdit.Click
        EditSelected()
    End Sub
    Private Sub CMSEdit_Click(sender As System.Object, e As System.EventArgs) Handles CMSEdit.Click
        EditSelected()
    End Sub

    Private Sub TSButtonSelect_Click(sender As System.Object, e As System.EventArgs) Handles TSButtonSelect.Click
        ReturnSelected()
    End Sub
    Private Sub CMSSelect_Click(sender As System.Object, e As System.EventArgs) Handles CMSSelect.Click
        ReturnSelected()
    End Sub

    Private Sub CMSShow_Click(sender As System.Object, e As System.EventArgs) Handles CMSShow.Click
        ViewSelected()
    End Sub

    Private Sub TSButtonShow_Click(sender As System.Object, e As System.EventArgs) Handles TSButtonShow.Click
        ViewSelected()
    End Sub

    Private Sub ListView_DoubleClick(sender As System.Object, e As System.EventArgs) Handles ListView.DoubleClick
        If ListView.SelectedIndices.Count > 0 Then
            If aFormMode = ListFormMode.Viewer Then
                ViewSelected()
            Else
                ReturnSelected()
            End If
        End If
    End Sub

    Private Sub BeforeClose()
        Console.WriteLine("FormList : Closing instance")
        If aFormMode = ListFormMode.Viewer Then
            Me.Dispose()
        Else
            Me.DialogResult = Windows.Forms.DialogResult.Cancel
            Me.Hide()
        End If
    End Sub

    'Private Sub FormList_FormClosing(sender As Object, e As System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing
    '    BeforeClose()
    'End Sub

    Private Sub TSButtonClose_Click(sender As System.Object, e As System.EventArgs) Handles TSButtonClose.Click
        BeforeClose()
    End Sub

    Private Sub ListView_SelectedIndexChanged(sender As System.Object, e As System.EventArgs) Handles ListView.SelectedIndexChanged
        If ListView.SelectedItems.Count <= 0 Then
            TSButtonDelete.Enabled = False
            TSButtonEdit.Enabled = False
            TSButtonSelect.Enabled = False
            TSButtonShow.Enabled = False
            CMSDelete.Enabled = False
            CMSEdit.Enabled = False
            CMSSelect.Enabled = False
            CMSShow.Enabled = False

            CMSDelete.Text = "Delete selection"
            CMSEdit.Text = "Edit selection..."
            CMSShow.Text = "Show selection..."
            CMSSelect.Text = "Select"
        Else
            TSButtonDelete.Enabled = True
            TSButtonEdit.Enabled = True
            TSButtonSelect.Enabled = True
            TSButtonShow.Enabled = True
            CMSDelete.Enabled = True
            CMSEdit.Enabled = True
            CMSSelect.Enabled = True
            CMSShow.Enabled = True

            CMSDelete.Text = "Delete " + ListView.SelectedItems(0).Text
            CMSEdit.Text = "Edit " + ListView.SelectedItems(0).Text + "..."
            CMSShow.Text = "Show " + ListView.SelectedItems(0).Text + "..."
            CMSSelect.Text = "Select " + ListView.SelectedItems(0).Text
        End If
    End Sub


    Private Sub ToolStripButton1_Click(sender As System.Object, e As System.EventArgs) Handles TSPin.Click
        If TSPin.Checked Then
            TSPin.Text = "Pin windows"
            TSPin.Image = My.Resources.UnpingedWindows
            TSPin.Checked = False
        Else
            TSPin.Text = "Unpin windows"
            TSPin.Image = My.Resources.PingedWindows
            TSPin.Checked = True
            Me.Top = FormMain.Top
            Me.Left = FormMain.Right
        End If
    End Sub

End Class