' Module: DataProcessor
' Description: Core data processing functions

Public Sub ProcessWorkHourData(fechaDesde As Date, fechaHasta As Date, exportResults As Boolean, facturaNum As String)
    Dim wsHoras As Worksheet, wsFdl As Worksheet
    Dim ultimaFilaHoras As Long
    Dim i As Long, j As Long, k As Integer
    Dim pdfExportado As Boolean
    
    ' Update invoice number
    ThisWorkbook.Sheets(SHEET_NOTA).Cells(6, 3).Value = facturaNum
   
    ' Validate date range
    If Not ValidateDateRange(fechaDesde, fechaHasta) Then
        Exit Sub
    End If
    
    ' Clear existing content in FDL sheets
    ClearFDLSheets
    
    ' Set references to worksheets
    Set wsHoras = ThisWorkbook.Sheets(SHEET_HORAS)
    Set wsFdl = ThisWorkbook.Sheets(SHEET_FDL_1)
    
    ultimaFilaHoras = wsHoras.Cells(Rows.Count, 5).End(xlUp).Row
    
    ' Initialize variables for destination row and entry count
    j = PRIMERA_FILA_FDL
    k = 0
    
    ' Process each row in Horas sheet
    For i = 3 To ultimaFilaHoras
        If CDate(wsHoras.Cells(i, 5).Value2) >= fechaDesde And CDate(wsHoras.Cells(i, 5).Value2) <= fechaHasta Then
            ' Copy data to current FDL sheet
            CopyRowToFDL wsHoras, wsFdl, i, j
            
            j = j + 2: k = k + 1
            pdfExportado = False
            
            ' Handle sheet transitions at MAX_ENTRIES_PER_FDL entries
            If k = MAX_ENTRIES_PER_FDL Then
                If exportResults Then
                    ExportToPDF wsFdl, Format(fechaDesde, "dd-MM"), Format(wsFdl.Cells(j - 2, 1).Value2, "dd-MM")
                End If
                
                Set wsFdl = ThisWorkbook.Sheets(SHEET_FDL_2)
                j = PRIMERA_FILA_FDL
                pdfExportado = True
            End If
            
            ' Handle sheet transitions at MAX_ENTRIES_PER_FDL * 2 entries
            If k = MAX_ENTRIES_PER_FDL * 2 Then
                If exportResults Then
                    ExportToPDF wsFdl, Format(wsFdl.Cells(PRIMERA_FILA_FDL, 1).Value2, "dd-MM"), Format(wsFdl.Cells(j - 2, 1).Value2, "dd-MM")
                End If
                
                Set wsFdl = ThisWorkbook.Sheets(SHEET_FDL_3)
                j = PRIMERA_FILA_FDL
                pdfExportado = True
            End If
                      
            ' Exit if we exceed maximum entries
            If k > MAX_TOTAL_ENTRIES Then Exit For
        End If
    Next i
    
    ' Export final sheet if not already exported
    If exportResults And Not pdfExportado Then
        ExportToPDF wsFdl, Format(wsFdl.Cells(PRIMERA_FILA_FDL, 1).Value2, "dd-MM"), Format(fechaHasta, "dd-MM")
    End If
        
    ' Export additional documents if needed
    If exportResults Then
        ExportToPDF ThisWorkbook.Sheets(SHEET_NOTA), "Fattura_" & Format(fechaDesde, "dd-MM"), Format(fechaHasta, "dd-MM")
        ExportToPDF ThisWorkbook.Sheets(SHEET_FOGLIO_1), "Expenses_" & Format(fechaDesde, "dd-MM"), Format(fechaHasta, "dd-MM")
        ExportToExcel Format(fechaDesde, "dd-MM"), Format(fechaHasta, "dd-MM")
    End If
End Sub

Private Sub CopyRowToFDL(wsSource As Worksheet, wsTarget As Worksheet, sourceRow As Long, targetRow As Long)
    ' Copy data from source row to target row in FDL sheet
    wsTarget.Cells(targetRow, 1).Value2 = wsSource.Cells(sourceRow, 5).Value2
    wsTarget.Cells(targetRow, 3).Value = Format(wsSource.Cells(sourceRow, 6).Value, "hh:mm")
    wsTarget.Cells(targetRow, 4).Value = wsSource.Cells(sourceRow, 7).Value
    wsTarget.Cells(targetRow, 5).Value = wsSource.Cells(sourceRow, 8).Value
    wsTarget.Cells(targetRow, 6).Value = wsSource.Cells(sourceRow, 9).Value
    
    ' Set optional values only if they're greater than 0
    If wsSource.Cells(sourceRow, 14).Value > 0 Then 
        wsTarget.Cells(targetRow, 7).Value = wsSource.Cells(sourceRow, 14).Value
    End If
    
    If wsSource.Cells(sourceRow, 15).Value > 0 Then 
        wsTarget.Cells(targetRow, 8).Value = wsSource.Cells(sourceRow, 15).Value
    End If
    
    wsTarget.Cells(targetRow, 10).Value = wsSource.Cells(sourceRow, 2).Value
End Sub

Private Sub ClearFDLSheets()
    ' Clear content in all FDL sheets
    ThisWorkbook.Sheets(SHEET_FDL_1).Range("A17:P44").ClearContents
    ThisWorkbook.Sheets(SHEET_FDL_2).Range("A17:P44").ClearContents
    ThisWorkbook.Sheets(SHEET_FDL_3).Range("A17:P44").ClearContents
End Sub

Public Sub RunPythonLogProcessor()
    Dim objShell As Object
    
    ' Create shell object
    Set objShell = VBA.CreateObject("WScript.Shell")
    
    ' Execute Python script
    objShell.Run "cmd /c " & PYTHON_EXE_PATH & " " & SCRIPT_PATH & " > " & LOG_FILE_PATH & " 2>&1", 0, True
    Set objShell = Nothing
End Sub

Public Sub RefreshLogData()
    Dim wb As Workbook

    ' Open log Excel file
    Set wb = Workbooks.Open(LOG_EXCEL_PATH)
    
    ' Refresh all connections
    wb.RefreshAll
    
    ' Wait for refresh to complete
    Application.Wait Now + TimeValue("00:00:05")
    
    ' Close without saving
    wb.Close SaveChanges:=False
    
    ' Refresh current workbook
    ThisWorkbook.RefreshAll
End Sub