$ErrorActionPreference = "Stop"

$receivePath = "C:\yuji\work\20160312\receive"
$inputPath = "C:\yuji\work\20160312\input"
$workPath = "C:\yuji\work\20160312\work"

$ret = 0

function removeAll($dir){
    $private:files = $dir + "\*.*"
    Remove-Item $files
}

function unzipAll($dir, $dest){
    Get-ChildItem $dir -Filter "*.zip" | ForEach-Object {
        $private:zip = $shell.NameSpace($_.fullname)
        $dest.CopyHere($zip.Items())
    }
}

function convertSJISToUTF8($files, $dest){
    Get-ChildItem $files | ForEach-Object {
        $private:file = $_
        Invoke-Expression "C:\yuji\work\20160312\iconv.ps1 $file $dest"
    }
}

try{
    $private:shell = New-Object -ComObject shell.application
    $private:destPath =  $shell.NameSpace($inputPath)

    removeAll $inputPath
    unzipAll $receivePath $destPath
    convertSJISToUTF8 ($inputPath + "\*.txt") $workPath
}catch{
    Write-host $error
    $ret = 1
}finally{

}

exit $ret