Attribute VB_Name = "awp_xlsx_case_persistency_pivot"

Option Explicit

' get the last row for a given xls sheet
Function getLastRow(ByVal start_row As Integer)
    Dim last_row As Boolean
    Dim last_check_row As Integer
    Dim scan_row As Integer
    Dim i As Integer
    Dim cell_value_1 As String


    Dim next_row_1 As Integer

    scan_row = start_row
    last_check_row = 9999

    For i = start_row To last_check_row
        scan_row = i
        last_row = True

        next_row_1 = i + 1

        cell_value_1 = ReadCellValue("A" & CStr(next_row_1))

        If (cell_value_1 <> "") Then
            last_row = False
        End If

        If (last_row = True) Then
          'Debug.Print "last row found"
          Exit For
        End If
    Next i

    getLastRow = scan_row

End Function

' get the value from cell for a given address
Function ReadCellValue(cell_addr As String)

    ReadCellValue = Worksheets("Sheet1").Range(cell_addr).Value

End Function

' get the integer month from date
Function GetMonthFrDate(ByVal date_string As String) As Integer
    Dim intMonth As Integer
    Dim dt As String
    dt = DateValue(date_string)
    intMonth = month(dt)
    GetMonthFrDate = intMonth
End Function

' get the integer quarter from date
Function GetQuarterFrDate(ByVal date_string As String) As Integer
    Dim intQuarter As Integer
    Dim intMonth As Integer
    Dim dt As String

    dt = DateValue(date_string)
    intMonth = month(dt)

    GetQuarterFrDate = Int((intMonth - 1) / 3) + 1
End Function

Function CountFigures(ws As Worksheet, ByVal start_row As Integer, ByVal last_row As Integer)
    Dim i, j As Integer

    ' variable for result
    Dim agent_month_new_case, agent_month_collapsed_case
    Set agent_month_new_case = CreateObject("Scripting.Dictionary")
    Set agent_month_collapsed_case = CreateObject("Scripting.Dictionary")

    Dim agent_quarter_new_case, agent_quarter_collapsed_case
    Set agent_quarter_new_case = CreateObject("Scripting.Dictionary")
    Set agent_quarter_collapsed_case = CreateObject("Scripting.Dictionary")

    Dim agent_month_case_persistency, agent_quarter_case_persistency
    Set agent_month_case_persistency = CreateObject("Scripting.Dictionary")
    Set agent_quarter_case_persistency = CreateObject("Scripting.Dictionary")

    For i = start_row To last_row
        Dim date_value As String
        Dim int_month, quarter As Integer
        Dim agent_name, new_case, collapsed_case, agent_team As String
        Dim agent_quarter_key, agent_month_key, temp_key As String

        date_value = ReadCellValue("A" & CStr(i))
        int_month = GetMonthFrDate(date_value)
        quarter = GetQuarterFrDate(date_value)

        agent_name = ReadCellValue("B" & CStr(i))
        agent_team = ReadCellValue("C" & CStr(i))
        new_case = ReadCellValue("D" & CStr(i))
        collapsed_case = ReadCellValue("E" & CStr(i))

        agent_month_key = agent_name + "," + CStr(int_month)
        agent_quarter_key = agent_name + "," + CStr(quarter)

        ' create if not found agent_name
        If (Not (IsEmpty(agent_month_key)) And Not (agent_month_new_case.exists(agent_month_key))) Then
            For j = 1 To 12
                agent_month_new_case(agent_name + "," + CStr(j)) = 0
                agent_month_collapsed_case(agent_name + "," + CStr(j)) = 0
                agent_month_case_persistency(agent_name + "," + CStr(j)) = 0

            Next j

            For j = 1 To 4
                agent_quarter_new_case(agent_name + "," + CStr(j)) = 0
                agent_quarter_collapsed_case(agent_name + "," + CStr(j)) = 0
                agent_quarter_case_persistency(agent_name + "," + CStr(j)) = 0
            Next j
        End If

        If (new_case <> "") Then
            agent_month_new_case(agent_month_key) = agent_month_new_case(agent_month_key) + CInt(new_case)
            agent_quarter_new_case(agent_quarter_key) = agent_quarter_new_case(agent_quarter_key) + CInt(new_case)
        End If

        If (collapsed_case <> "") Then
            agent_month_collapsed_case(agent_month_key) = agent_month_collapsed_case(agent_month_key) + CInt(collapsed_case)
            agent_quarter_collapsed_case(agent_quarter_key) = agent_quarter_collapsed_case(agent_quarter_key) + CInt(collapsed_case)
        End If

        If (agent_month_new_case(agent_month_key) > 0) Then
          agent_month_case_persistency(agent_month_key) = agent_month_new_case(agent_month_key) / (agent_month_new_case(agent_month_key) + agent_month_collapsed_case(agent_quarter_key))
        Else
          agent_month_case_persistency(agent_month_key) = 0
        End If

        If (agent_quarter_case_persistency(agent_month_key) > 0) Then
          agent_quarter_case_persistency(agent_quarter_key) = agent_quarter_new_case(agent_quarter_key) / (agent_quarter_new_case(agent_quarter_key) + agent_quarter_collapsed_case(agent_quarter_key))
        Else
          agent_quarter_case_persistency(agent_month_key) = 0
        End If

    Next i

    CountFigures = Array(agent_month_new_case, agent_month_collapsed_case, _
      agent_quarter_new_case, agent_quarter_collapsed_case, _
      agent_month_case_persistency, agent_quarter_case_persistency)

End Function

Function Run(ws As Worksheet)
    Dim row_count As Integer
    Dim rw As Variant
    Dim count_figures_result As Variant

    Dim start_row, last_row As Integer
    start_row = 2
    last_row = getLastRow(start_row)

    Run = CountFigures(ws, start_row, last_row)
End Function

' canned method to open excel file
Function OpenFile(sPath As String)
    Dim wb As Workbook
    Set wb = Workbooks.Open(sPath)
    ' wb.Windows(1).Visible = False

    Dim count_figures_result As Variant

    If Not (wb.Sheets("Sheet1") Is Nothing) Then
        count_figures_result = awp_xlsx_case_persistency_pivot.Run(wb.Sheets("Sheet1"))
    End If

    OpenFile = count_figures_result

    wb.Close savechanges:=False
End Function

Sub Test()
    Dim result As Variant
    Dim agent_month_new_case, agent_month_collapsed_case, agent_quarter_new_case, agent_quarter_collapsed_case, agent_month_case_persistency, agent_quarter_case_persistency
    result = awp_xlsx_case_persistency_pivot.OpenFile("c:\Temp\xlsx\Agent_Working_Performance.xlsx")

    Set agent_month_new_case = result(0)
    Set agent_month_collapsed_case = result(1)
    Set agent_quarter_new_case = result(2)
    Set agent_quarter_collapsed_case = result(3)
    Set agent_month_case_persistency = result(4)
    Set agent_quarter_case_persistency = result(5)

    Debug.Print agent_month_case_persistency("Eason,1")
    Debug.Print agent_month_case_persistency("Eason,2")

    Debug.Print "done"
End Sub

Sub Helloworld()
    Debug.Print "helloworld"
End Sub