$lines = Get-Content .\MainMenu.xib -Encoding UTF8

$output = $lines

$regex = '<string type="base64-UTF8" key="NSDev">(?<txt>.+?)<\/string>'

$strings = [regex]::Matches($lines,$regex)

$url = 'https://translate.mentality.rip/translate'

$errors = @()

$csv = 'Base64JP,UTF8JP,Base64EN,UTF8EN'

foreach($string in $strings) {
	# get the value
	$txt = $string.Groups["txt"].Value

	# append appropriate padding
	$mod = ($txt.length % 4)   
	switch ($mod) {
		'0' {$txtp = $txt}
		'1' {$txtp = $txt.Substring(0,$txt.Length - 1)}
		'2' {$txtp = $txt + ('=' * (4 - $mod))}
		'3' {$txtp = $txt + ('=' * (4 - $mod))}
	
	}

	# convert the base64 to UTF8 text
	$utf = [Text.Encoding]::Utf8.GetString([Convert]::FromBase64String($txtp))

	# get current array index
	$idx = [array]::IndexOf($strings,$string)

	# get percent complete
	$pct = (($idx + 1) / $strings.Count) * 100

	# round the percent
	$pcn = [math]::Round($pct,2)

	# update the status bar
	Write-Progress -Activity ("Translating <<" + $utf + ">>") -Status "$pcn% Complete:" -PercentComplete $pct

	# create the json request
	$json = '{"q":"' + $utf + '","source":"ja","target":"en"}'

	# add delay due to api throttle
	Start-Sleep -Seconds 1.5

	try {
		# post the request to the translation service
		$result = Invoke-WebRequest -Method 'Post' -Uri $url -Body $json -ContentType "application/json; charset=utf-8"
	
		# this is the english translation
		$ttxt = ($result.Content | ConvertFrom-Json).translatedText
	
		# convert the english translation to base64 using .net
		$txt64 = [Convert]::ToBase64String([Text.Encoding]::UTF8.GetBytes($ttxt))
	
		# remove the padding == because these don't exist in the original XIB
		$txt64clean = $txt64 -replace '=',''
	
		# replace the value everywhere it occurs in the source data
		$output = $output -replace $txt,$txt64clean

		# add to the csv
		$csv += "`n""$txt"",""$utf"",""$txt64clean"",""$ttxt"""
	} catch {
		Write-Host ("Couldn't translate <<" + $utf + ">>")
		$errors += $utf
	}
}

$output | Out-File Output.xib -Encoding utf8
$csv | Out-File output.csv -Encoding utf8