<%
Class ColumnsController_Class
    Private m_useLayout
    Private m_title

    Private Sub Class_Initialize()
        m_useLayout = False
        m_title     = "Columns"
    End Sub

    Public Property Get useLayout()  : useLayout  = m_useLayout : End Property
    Public Property Let useLayout(v) : m_useLayout = v          : End Property
    Public Property Get Title()      : Title       = m_title    : End Property
    Public Property Let Title(v)     : m_title     = v          : End Property

    ' POST /columns
    Public Sub Store()
        Response.ContentType = "application/json"
        If Not KeycloakIsLoggedIn() Then
            Response.Write "{""ok"":false,""error"":""Unauthorized""}"
            Exit Sub
        End If

        Dim boardId, colName
        boardId = CLng(Request.Form("board_id"))
        colName = Trim(CStr(Request.Form("name")))

        If boardId = 0 Or Len(colName) = 0 Then
            Response.Write "{""ok"":false,""error"":""board_id and name are required"",""debug_board_id_raw"":""" & Request.Form("board_id") & """,""debug_name_raw"":""" & Request.Form("name") & """,""debug_board_id_clng"":" & boardId & "}"
            Exit Sub
        End If

        Dim nextPos : nextPos = board_columns_Repository().MaxPosition(boardId) + 1
        Dim username : username = GetCurrentUsername()

        Dim col : Set col = New POBO_board_columns
        col.board_id   = boardId
        col.name       = colName
        col.position   = nextPos
        col.created_at = Now()
        col.created_by = username
        col.updated_at = Now()
        col.updated_by = username

        board_columns_Repository().AddNew col

        Response.Write "{""ok"":true,""id"":" & col.id & ",""name"":" & JsonString(col.name) & ",""position"":" & col.position & "}"
    End Sub

    ' POST /columns/:id
    Public Sub Update(id)
        Response.ContentType = "application/json"
        If Not KeycloakIsLoggedIn() Then
            Response.Write "{""ok"":false,""error"":""Unauthorized""}"
            Exit Sub
        End If

        Dim colName : colName = Trim(CStr(Request.Form("name")))
        If Len(colName) = 0 Then
            Response.Write "{""ok"":false,""error"":""name is required""}"
            Exit Sub
        End If

        On Error Resume Next
        Dim col : Set col = board_columns_Repository().FindByID(CLng(id))
        If Err.Number <> 0 Then
            Err.Clear
            Response.Write "{""ok"":false,""error"":""Not found""}"
            Exit Sub
        End If
        On Error GoTo 0

        col.name       = colName
        col.updated_at = Now()
        col.updated_by = GetCurrentUsername()
        board_columns_Repository().Update col

        Response.Write "{""ok"":true}"
    End Sub

    ' POST /columns/:id/delete
    Public Sub Destroy(id)
        Response.ContentType = "application/json"
        If Not KeycloakIsLoggedIn() Then
            Response.Write "{""ok"":false,""error"":""Unauthorized""}"
            Exit Sub
        End If

        Dim colId : colId = CLng(id)
        cards_Repository().DeleteByColumnId colId
        board_columns_Repository().Delete colId

        Response.Write "{""ok"":true}"
    End Sub

    ' POST /columns/reorder  — body: JSON array [{id:1,position:0},{id:2,position:1},...]
    Public Sub Reorder()
        Response.ContentType = "application/json"
        If Not KeycloakIsLoggedIn() Then
            Response.Write "{""ok"":false,""error"":""Unauthorized""}"
            Exit Sub
        End If

        Dim rawJson : rawJson = GetRawJsonFromRequest()
        Dim parser : Set parser = New aspJSON
        Dim parsed

        On Error Resume Next
        parser.loadJSON rawJson
        If Err.Number <> 0 Then
            Err.Clear
            Set parser = Nothing
            Response.Write "{""ok"":false,""error"":""Invalid JSON payload""}"
            Exit Sub
        End If
        Set parsed = parser.data
        On Error GoTo 0

        If parsed Is Nothing Or parsed.Count = 0 Then
            Set parser = Nothing
            Response.Write "{""ok"":false,""error"":""Invalid JSON payload""}"
            Exit Sub
        End If

        Dim username : username = GetCurrentUsername()
        Dim i, item
        On Error Resume Next
        For i = 0 To parsed.Count - 1
            Set item = parsed.Item(i)
            board_columns_Repository().UpdatePosition CLng(item.Item("id")), CLng(item.Item("position")), Now(), username
            If Err.Number <> 0 Then
                Err.Clear
                On Error GoTo 0
                Set parser = Nothing
                Response.Write "{""ok"":false,""error"":""Invalid reorder item at index " & i & """}"
                Exit Sub
            End If
        Next
        On Error GoTo 0
        Set parser = Nothing

        Response.Write "{""ok"":true}"
    End Sub

    Private Function GetCurrentUsername()
        Dim u : Set u = KeycloakCurrentUser()
        Dim name : name = ""
        If Not u Is Nothing Then
            On Error Resume Next
            name = CStr(u.Item("preferred_username"))
            If Err.Number <> 0 Then
                name = ""
                Err.Clear
            End If
            On Error GoTo 0
        End If
        GetCurrentUsername = name
    End Function

    Private Function JsonString(s)
        JsonString = """" & Replace(Replace(CStr(s), "\", "\\"), """", "\""") & """"
    End Function

End Class

Dim ColumnsController_Class__Singleton
Function ColumnsController()
    If IsEmpty(ColumnsController_Class__Singleton) Then
        Set ColumnsController_Class__Singleton = New ColumnsController_Class
    End If
    Set ColumnsController = ColumnsController_Class__Singleton
End Function
%>