<%
'=======================================================================================================================
' MIGRATION: seed_sample_cards
'=======================================================================================================================

Sub Migration_Up(migration)
    Call SeedBoardCards(migration, "website-redesign", "sample.seed")
    Call SeedBoardCards(migration, "q3-launch-plan", "sample.seed")
End Sub

Sub Migration_Down(migration)
    Call DbExecute(migration, "DELETE FROM [cards] WHERE [created_by] = ?", Array("sample.seed"))
End Sub

Private Sub SeedBoardCards(migration, boardSlug, seedUser)
    Dim boardId
    boardId = GetBoardIdBySlug(migration, boardSlug)
    If boardId = 0 Then Exit Sub

    Dim colBacklog, colInProgress, colReview, colDone
    Dim laneStandard, laneExpedite, laneBlocked

    colBacklog    = GetColumnIdByName(migration, boardId, "Backlog")
    colInProgress = GetColumnIdByName(migration, boardId, "In Progress")
    colReview     = GetColumnIdByName(migration, boardId, "Review")
    colDone       = GetColumnIdByName(migration, boardId, "Done")

    laneStandard  = GetSwimLaneIdByName(migration, boardId, "Standard")
    laneExpedite  = GetSwimLaneIdByName(migration, boardId, "Expedite")
    laneBlocked   = GetSwimLaneIdByName(migration, boardId, "Blocked")

    If colBacklog > 0 And laneStandard > 0 Then
        Call EnsureCard(migration, boardId, colBacklog, laneStandard, "JOB-1001", "Collect requirements", 0, seedUser)
    End If

    If colInProgress > 0 And laneExpedite > 0 Then
        Call EnsureCard(migration, boardId, colInProgress, laneExpedite, "JOB-1002", "Design homepage wireframe", 0, seedUser)
    End If

    If colReview > 0 And laneStandard > 0 Then
        Call EnsureCard(migration, boardId, colReview, laneStandard, "JOB-1003", "Stakeholder content review", 0, seedUser)
    End If

    If colDone > 0 And laneStandard > 0 Then
        Call EnsureCard(migration, boardId, colDone, laneStandard, "JOB-1004", "Set up board conventions", 0, seedUser)
    End If

    If colBacklog > 0 And laneBlocked > 0 Then
        Call EnsureCard(migration, boardId, colBacklog, laneBlocked, "JOB-1005", "Await vendor assets", 0, seedUser)
    End If
End Sub

Private Sub EnsureCard(migration, boardId, columnId, swimLaneId, jobNumber, jobName, cardPosition, seedUser)
    If GetCardIdByJobNumber(migration, boardId, jobNumber) = 0 Then
        Call DbExecute(migration, _
            "INSERT INTO [cards] ([board_id],[column_id],[swim_lane_id],[job_number],[job_name],[position],[created_at],[created_by],[updated_at],[updated_by]) VALUES (?,?,?,?,?,?,?,?,?,?)", _
            Array(boardId, columnId, swimLaneId, jobNumber, jobName, cardPosition, Now(), seedUser, Now(), seedUser))
    End If
End Sub

Private Function GetCardIdByJobNumber(migration, boardId, jobNumber)
    Dim rs
    Set rs = DbQuery(migration, "SELECT TOP 1 [id] FROM [cards] WHERE [board_id] = ? AND [job_number] = ?", Array(boardId, jobNumber))
    If rs.EOF Then
        GetCardIdByJobNumber = 0
    Else
        GetCardIdByJobNumber = CLng(rs(0))
    End If
    Call CloseRecordset(rs)
End Function

Private Function GetBoardIdBySlug(migration, boardSlug)
    Dim rs
    Set rs = DbQuery(migration, "SELECT TOP 1 [id] FROM [boards] WHERE [slug] = ?", Array(boardSlug))
    If rs.EOF Then
        GetBoardIdBySlug = 0
    Else
        GetBoardIdBySlug = CLng(rs(0))
    End If
    Call CloseRecordset(rs)
End Function

Private Function GetColumnIdByName(migration, boardId, columnName)
    Dim rs
    Set rs = DbQuery(migration, "SELECT TOP 1 [id] FROM [board_columns] WHERE [board_id] = ? AND [name] = ?", Array(boardId, columnName))
    If rs.EOF Then
        GetColumnIdByName = 0
    Else
        GetColumnIdByName = CLng(rs(0))
    End If
    Call CloseRecordset(rs)
End Function

Private Function GetSwimLaneIdByName(migration, boardId, laneName)
    Dim rs
    Set rs = DbQuery(migration, "SELECT TOP 1 [id] FROM [swim_lanes] WHERE [board_id] = ? AND [name] = ?", Array(boardId, laneName))
    If rs.EOF Then
        GetSwimLaneIdByName = 0
    Else
        GetSwimLaneIdByName = CLng(rs(0))
    End If
    Call CloseRecordset(rs)
End Function

Private Sub CloseRecordset(ByRef rs)
    If IsObject(rs) Then
        If Not rs Is Nothing Then
            On Error Resume Next
            rs.Close
            Set rs = Nothing
            On Error GoTo 0
        End If
    End If
End Sub

Private Sub DbExecute(migration, sql, params)
    On Error Resume Next
    migration.DB.Execute sql, params
    If Err.Number = 0 Then
        On Error GoTo 0
        Exit Sub
    End If
    Err.Clear
    On Error GoTo 0

    Dim conn, cmd
    Set conn = migration.Connection
    Set cmd = CreateObject("ADODB.Command")
    Set cmd.ActiveConnection = conn
    cmd.CommandText = sql

    If IsArray(params) Then
        cmd.Execute , params
    ElseIf IsEmpty(params) Then
        cmd.Execute
    Else
        cmd.Execute , Array(params)
    End If

    Set cmd = Nothing
End Sub

Private Function DbQuery(migration, sql, params)
    On Error Resume Next
    Set DbQuery = migration.DB.Query(sql, params)
    If Err.Number = 0 Then
        On Error GoTo 0
        Exit Function
    End If
    Err.Clear
    On Error GoTo 0

    Dim conn, cmd, rs
    Set conn = migration.Connection
    Set cmd = CreateObject("ADODB.Command")
    Set cmd.ActiveConnection = conn
    cmd.CommandText = sql

    If IsArray(params) Then
        Set rs = cmd.Execute(, params)
    ElseIf IsEmpty(params) Then
        Set rs = cmd.Execute()
    Else
        Set rs = cmd.Execute(, Array(params))
    End If

    Set DbQuery = rs
    Set cmd = Nothing
End Function
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