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$TargetDirectory="F:\Videos\MKV\Iron Man- Armored Adventures\Season 02"

function Remove-Tags
{
    param([string]$XMLLine)
    $XMLLine.Remove($XMLLine.LastIndexOf('<')).Remove(0, $XMLLine.IndexOf('>')+1)
}

function Get-Times
{
    param([string]$XMLLine)
    $BaseTime=Remove-Tags $XMLLine
    ([int64]$BaseTime.Remove($BaseTime.IndexOf(':'))*3600000000000) + ([int64]$BaseTime.Remove($BaseTime.LastIndexOf(':')).Remove(0, $BaseTime.IndexOf(':')+1)*60000000000) + ([int64]$BaseTime.Remove($BaseTime.IndexOf('.')).Remove(0, $BaseTime.LastIndexOf(':')+1)*1000000000) + ([int64]$BaseTime.Remove(0, $BaseTime.IndexOf('.') + 1))
}

function Get_Track
{
    param([string]$InfoLine = "File Blank")
    $InfoLine.Remove($InfoLine.IndexOf(' '))
}

function Get_Field
{
    param([string]$InfoLine = "File Blank")
    $Get_Field_Temp=$InfoLine.Remove(0,$InfoLine.IndexOf(' ') + 1)
    if ($Get_Field_Temp.IndexOf(' ') -ge 0)
    {
        $Get_Field_Temp=$Get_Field_Temp.Remove($Get_Field_Temp.IndexOf(' '))
    }
    $Get_Field_Temp
}

function Get_Data
{
    param([string]$InfoLine = "File Blank")
    $Get_Data_Temp=$InfoLine.Remove(0,$InfoLine.IndexOf(' ') + 1)
    if ($Get_Data_Temp.IndexOf(' ') -ge 0)
    {
        $Get_Data_Temp.Remove(0,$Get_Data_Temp.IndexOf(' ') + 1)
    } else {
        ""
    }
}

function Get_SourceInfo
{
    param([string]$Get_Info_Track = "File", [string]$Get_Info_Field = "Duration")
    for ($Get_Info_Count=0; $Get_Info_Count -lt $MediaInfo.Length; $Get_Info_Count++)
    {
        $Get_Info_Temp_Track = Get_Track $MediaInfo[$Get_Info_Count]
        $Get_Info_Temp_Field = Get_Field $MediaInfo[$Get_Info_Count]
        if (($Get_Info_Temp_Track -eq $Get_Info_Track) -and ($Get_Info_Temp_Field -eq $Get_Info_Field))
        {
            Get_Data $MediaInfo[$Get_Info_Count]
            break
        }
    }
}

cls

Get-ChildItem -Path $TargetDirectory -Filter *.mkv | foreach-object -process {
    "Prepping; " + $_.BaseName
    $FullName=$_.FullName
    $FileName=$_.BaseName
    $FileNameEx=$_.BaseName + $_.Extension
    $FilePath=$_.DirectoryName
    #$FilePath='D:\Source'

    $MediaInfo=MyMediaBatch "$FilePath\$FileNameEx"
    $TimeCode = (Get_SourceInfo "File" "TimeCode") + '000000'
    $ChapterCount = (Get_SourceInfo "File" "Chapters") -as [int]
    #$TimeCode
    #$ChapterCount 

    #$MediaInfo

    $NewChapters=@()
    
    if ($ChapterCount -lt 1)
    {
        $NewChapters=$NewChapters+'<?xml version="1.0"?>'
        $Newchapters=$NewChapters+'<!-- <!DOCTYPE Chapters SYSTEM "matroskachapters.dtd"> -->'
        $Newchapters=$NewChapters+'<Chapters>'
        $Newchapters=$NewChapters+'  <EditionEntry>'
        $Newchapters=$NewChapters+'    <EditionFlagHidden>0</EditionFlagHidden>'
        $Newchapters=$NewChapters+'    <EditionFlagDefault>0</EditionFlagDefault>'
        $Work_Var=[uint64](Get-Random -Maximum 18446744073709551615 -Minimum 1)
        $Work_Var='    <EditionUID>' + $Work_Var + '</EditionUID>'
        $Newchapters=$NewChapters+$Work_Var
        $Newchapters=$NewChapters+'    <ChapterAtom>'
        $Newchapters=$NewChapters+'      <ChapterDisplay>'
        $Newchapters=$NewChapters+'        <ChapterString>Chapter 00</ChapterString>'
        $Newchapters=$NewChapters+'        <ChapterLanguage>eng</ChapterLanguage>'
        $Newchapters=$NewChapters+'      </ChapterDisplay>'
        $Work_Var=[uint64](Get-Random -Maximum 18446744073709551615 -Minimum 1)
        $Work_Var='      <ChapterUID>'+$Work_Var+'</ChapterUID>'
        $Newchapters=$NewChapters+$Work_Var
        $Newchapters=$NewChapters+'      <ChapterTimeStart>00:00:00.000000000</ChapterTimeStart>'
        $Work_Var='      <ChapterTimeEnd>' + $TimeCode + '</ChapterTimeEnd>'
        $Newchapters=$NewChapters+$Work_Var
        $Newchapters=$NewChapters+'      <ChapterFlagHidden>0</ChapterFlagHidden>'
        $Newchapters=$NewChapters+'      <ChapterFlagEnabled>1</ChapterFlagEnabled>'
        $Newchapters=$NewChapters+'    </ChapterAtom>'
        $Newchapters=$NewChapters+'  </EditionEntry>'
        $Newchapters=$NewChapters+'</Chapters>'
    }
    else
    {
        $ChapterList=MKVEXTRACT chapters $FullName
        $StartTime=0
        $EndTime=0

        $ChapterCount=0

        $ChapterDelete=@()
        $DeleteCount=0

        $LastStartTime=0

        $FirstChapter=$true
    
        for ($LinePOS=0; $LinePOS -lt $ChapterList.length; $LinePOS++)
        {
            if ($ChapterList[$LinePOS].Contains("<ChapterTimeEnd>"))
            {
                $EndTime=Get-Times $ChapterList[$LinePOS]
            }
            if ($ChapterList[$LinePOS].Contains("<ChapterTimeStart>"))
            {
                if ($FirstChapter)
                {
                    $ChapterList[$LinePOS]=$ChapterList[$LinePOS].Replace((Remove-Tags $ChapterList[$LinePOS]), "00:00:00.000000000")
                    $FirstChapter=$false
                }
                $NewTime=Get-Times $ChapterList[$LinePOS]
                if (($NewTime-$StartTime) -gt 4000000000)
                {
                    $StartTime=$NewTime
                }
            }
            if ($ChapterList[$LinePOS].Contains("</ChapterAtom>"))
            {
                if (($EndTime-$StartTime) -le 4000000000)
                {
                    if ($StartTime -eq 0)
                    {
                        "Deleting Chapter: " + [string]($ChapterCount+2)
                        $ChapterDelete=$ChapterDelete + $ChapterCount + 1
                        $DeleteCount++
                    }
                    else
                    {
                        if ($ChapterDelete[$DeleteCount - 1] -ne $ChapterCount)
                        {
                            "Deleting Chapter: " + [string]($ChapterCount+1)
                            $ChapterDelete=$ChapterDelete + $ChapterCount
                            $DeleteCount++
                        }
                    }
                }
                $ChapterCount++
            }
        }
        $LastChapter = $ChapterCount
        $ChapterDelete=$ChapterDelete + 1024

        $ChapterCount=0
        $DeleteCount=0

        for ($LinePOS=0; $LinePOS -lt $ChapterList.length; $LinePOS++)
        {
            if ($ChapterCount -ne $ChapterDelete[$DeleteCount])
            {
                $NewChapters=$NewChapters+$ChapterList[$LinePOS]
            }
            if ($ChapterList[$LinePOS].Contains("<ChapterTimeStart>"))
            {
                if ($ChapterDelete[$DeleteCount] -eq $ChapterCount)
                {
                    $DeleteCount++
                }
                $ChapterCount++
            }
        }
        for ($LinePOS=$NewChapters.Length - 1; $LinePOS -ge 0; $LinePOS--)
        {
            if ($NewChapters[$LinePOS].Contains("<ChapterTimeEnd>"))
            {
                $NewChapters[$LinePOS] = $NewChapters[$LinePOS].Replace((Remove-Tags $NewChapters[$LinePOS]), $TimeCode)
                break
            }
        }
    }
    $XMLFile="Z:\Work\" + $FileName + ".xml"
    Out-File -FilePath $XMLFile -Encoding utf8 -InputObject $NewChapters
    #$NewChapters
    MKVPropEdit -c "$XMLFile" "$FilePath\$FileNameEx"

    Remove-Item $XMLFile

}