// Usage: groovy move-l10n.groovy hudson/model/OldClass/old-view jenkins/model/NewClass/new-view 'Some\ Translatable\ Text'
// (The new view may be given as '-' to simply delete the key.)

def oldview = args[0]
def newview = args[1]
def key = args[2]

def scriptDir = new File(getClass().protectionDomain.codeSource.location.path).parent
def resDir = new File(scriptDir, 'src/main/resources')

def basename = new File(resDir, oldview).name
for (p in new File(resDir, oldview).parentFile.listFiles()) {
    def n = p.name
    if (n == "${basename}.properties" || n.startsWith("${basename}_") && n.endsWith(".properties")) {
        def lines = p.readLines('ISO-8859-1')
        // TODO does not handle multiline values correctly
        def matches = lines.findAll({it.startsWith("${key}=")})
        if (!matches.isEmpty()) {
            lines.removeAll(matches)
            p.withWriter('ISO-8859-1') {out ->
                lines.each {line -> out.writeLine(line)}
            }
            if (newview == '-') {
                println("deleting ${matches.size()} matches from ${n}")
            } else {
                def nue = new File(resDir, newview + n.substring(basename.length()))
                println("moving ${matches.size()} matches from ${n} to ${nue.name}")
                // TODO if the original lacked a trailing newline, this will corrupt previously final key
                nue.withWriterAppend('ISO-8859-1') {out ->
                        matches.each {line -> out.writeLine(line)}
                }
            }
        }
    }
}