'=====================================================================
' 模块名: OrderValidationModule
' 功能: 订单物料有效性检查模块
' 说明: 检查[产品订单]中可见行的产品型号是否能成功提取BOM。
'       如果发生任何提取错误或无法匹配物料，则在G列[是否领料]写入"否"。
' 特性: 采用内存极速读取，仅对筛选后的数据进行处理。
'=====================================================================

Option Explicit

'=====================================================================
' 过程: ValidateOrderMaterials
' 功能: 批量检查可见订单的BOM提取有效性
'=====================================================================
Public Sub ValidateOrderMaterials()
    On Error GoTo ErrorHandler

    Dim startTime As Double
    startTime = Timer

    ' 提升性能：关闭屏幕更新和自动计算
    Application.ScreenUpdating = False
    Application.Calculation = xlCalculationManual

    ' 获取工作表
    Dim orderSheet As Worksheet
    Dim bomSheet As Worksheet

    Set orderSheet = GetOrderSheet()
    If orderSheet Is Nothing Then
        RestoreAppStatus
        MsgBox "未找到[产品订单]工作表!", vbCritical
        Exit Sub
    End If

    Set bomSheet = GetBomSheet()
    If bomSheet Is Nothing Then
        RestoreAppStatus
        MsgBox "未找到[平台配置清单]工作表!", vbCritical
        Exit Sub
    End If

    ' 初始化BOM提取器
    Dim BomExtractor As BomExtractor
    Set BomExtractor = New BomExtractor
    BomExtractor.SetWorksheet bomSheet

    If Not BomExtractor.LoadBomData Then
        RestoreAppStatus
        MsgBox "加载BOM数据失败:" & BomExtractor.GetErrorSummary, vbCritical
        Exit Sub
    End If

    ' 写入G列表头
    orderSheet.Cells(1, 7).value = "是否领料"

    Dim lastRow As Long
    lastRow = orderSheet.Cells(orderSheet.Rows.count, 3).End(xlUp).row

    If lastRow < 2 Then
        RestoreAppStatus
        MsgBox "[产品订单]工作表中没有需要处理的数据!", vbExclamation
        Exit Sub
    End If

    ' 【性能核心】将输入数据全量读入内存数组 (读取A到F列即可)
    Dim sourceDataArr As Variant
    sourceDataArr = orderSheet.Range("A2:F" & lastRow).value

    ' 【筛选核心】获取可见的单元格区域 (A列)
    Dim visibleRange As Range
    On Error Resume Next
    Set visibleRange = orderSheet.Range("A2:A" & lastRow).SpecialCells(xlCellTypeVisible)
    On Error GoTo ErrorHandler

    If visibleRange Is Nothing Then
        RestoreAppStatus
        MsgBox "当前筛选状态下没有可见的数据。", vbInformation
        Exit Sub
    End If

    Dim cell As Range
    Dim arrIndex As Long
    Dim modelString As String
    Dim componentPriority As String

    Dim processedCount As Long
    Dim invalidCount As Long

    processedCount = 0
    invalidCount = 0

    ' 仅遍历筛选出来的可见行
    For Each cell In visibleRange
        ' 将工作表行号映射到数组索引 (数据从第2行开始，所以数组索引 = 行号 - 1)
        arrIndex = cell.row - 1

        ' 从内存数组中极速读取所需的关键字段
        modelString = Trim(sourceDataArr(arrIndex, 3))       ' C列：产品型号
        componentPriority = Trim(sourceDataArr(arrIndex, 6)) ' F列：部件优先

        If modelString <> "" Then
            processedCount = processedCount + 1

            ' 调用校验逻辑，判断是否存在BOM提取错误
            If IsInvalidOrderBOM(modelString, componentPriority, BomExtractor) Then
                ' 如果无效/有报错，直接在对应行的第7列(G列)写入"否"
                ' 正常订单不做任何处理，保留原样
                orderSheet.Cells(cell.row, 7).value = "否"
                invalidCount = invalidCount + 1
            End If
        End If
    Next cell

    ' 恢复应用状态
    RestoreAppStatus

    Dim elapsedTime As Double
    elapsedTime = Timer - startTime

    MsgBox "有效性检查完成!" & vbCrLf & _
           "共检查了 " & processedCount & " 个筛选订单。" & vbCrLf & _
           "发现并标记了 " & invalidCount & " 个无效/报错订单。" & vbCrLf & _
           "用时: " & Format(elapsedTime, "0.00") & " 秒", vbInformation

    Exit Sub

ErrorHandler:
    RestoreAppStatus
    MsgBox "检查订单物料有效性时发生异常: " & Err.Description, vbCritical
End Sub

'=====================================================================
' 函数: IsInvalidOrderBOM
' 功能: 模拟BOM提取过程，判定该订单是否存在错误
' 参数: modelString - 产品型号
'       componentPriority - 部件优先标识
'       BomExtractor - 已初始化的BOM提取器对象
' 返回: Boolean - 只要发生任何错误或未匹配到物料，则返回 True
'=====================================================================
Private Function IsInvalidOrderBOM(modelString As String, _
                                   componentPriority As String, _
                                   BomExtractor As BomExtractor) As Boolean
    On Error Resume Next

    ' 默认认为它是有效的，直到发现错误
    IsInvalidOrderBOM = False

    ' 1. 根据部件优先设置排除类别
    BomExtractor.ClearExcludeCategories
    If UCase(componentPriority) = "否" Or componentPriority = "0" Or componentPriority = "FALSE" Then
        Dim excludeCats As New Collection
        excludeCats.Add "部件"
        BomExtractor.SetExcludeCategories excludeCats
    End If

    ' 2. 解析产品型号
    Dim parser As ProductModelParser
    Set parser = New ProductModelParser

    If Not parser.Parse(modelString) Then
        ' 解析失败，属于无效订单
        IsInvalidOrderBOM = True
        Exit Function
    End If

    ' 3. 提取BOM
    Dim matchedItems As Collection
    Set matchedItems = BomExtractor.ExtractBom(parser.conditions)

    ' 4. 检查 BOM 提取器全局错误日志
    If BomExtractor.GetErrorSummary <> "" Then
        IsInvalidOrderBOM = True
        Exit Function
    End If

    ' 5. 检查是否完全没有匹配到物料
    If matchedItems.count = 0 Then
        IsInvalidOrderBOM = True
        Exit Function
    End If

    ' 6. 深度检查：遍历提取出的每一项，看是否存在子项报错
    Dim item As BomItem
    For Each item In matchedItems
        If item.MatchError <> "" Then
            IsInvalidOrderBOM = True
            Exit Function
        End If
    Next item

    On Error GoTo 0
End Function

'=====================================================================
' 辅助过程: RestoreAppStatus
' 功能: 恢复Excel应用程序的状态
'=====================================================================
Private Sub RestoreAppStatus()
    Application.Calculation = xlCalculationAutomatic
    Application.ScreenUpdating = True
End Sub

'=====================================================================
' 辅助函数: 获取所需工作表
'=====================================================================
Private Function GetOrderSheet() As Worksheet
    On Error Resume Next
    Set GetOrderSheet = ThisWorkbook.Worksheets("产品订单")
    On Error GoTo 0
End Function

Private Function GetBomSheet() As Worksheet
    On Error Resume Next
    Set GetBomSheet = ThisWorkbook.Worksheets("平台配置清单")
    On Error GoTo 0
End Function