def waitForRepoPackage(String packageName, Map params = [:]) {
  def expectedVersion = params.expectedVersion ? params.expectedVersion : null
  def delay = params.delay ? params.delay : 30
  def waitTimeout = params.timeout ? params.timeout : 2400
  def asPattern = params.containsKey("asPattern") ? params.asPattern : true
  
  def message = "Waiting for package '${packageName}'"
  if (expectedVersion != null) {
    message += " with version '${expectedVersion}'"
  }
  message += '...'
  println(message)

  timeout(time: waitTimeout, unit: 'SECONDS') {
    while(true) {
      println("Retrieving packages list...")
      def repo = listRepoPackages(params)

      def packages = repo[packageName]
      if (!packages) {
        println("Package not found.")
        sleep(time: delay, unit: 'SECONDS')
        continue
      }

      if (expectedVersion == null) {
        println("Package found !")
        break
      }

      def versionFound = packages.find {
        def matches = asPattern ? it['version'] =~ expectedVersion : it['version'] == expectedVersion
        println("Comparing expected version '${expectedVersion}' to '${it['version']}': ${matches}")
        return matches
      }

      if (versionFound) {
        println("Expected package version found !")
        break
      }

      println("Package version not found.")
      sleep(time: delay, unit: 'SECONDS')
    }
  }
}

def listRepoPackages(Map params = [:]) {
  def baseURL = params.baseURL ? params.baseURL : 'https://vulcain.cadoles.com'
  def distrib = params.distrib ? params.distrib : '2.7.0-dev'
  def component = params.component ? params.component : 'main'
  def type = params.type ? params.type : 'binary'
  def arch = params.arch ? params.arch : 'amd64'

  def response = httpRequest(url: "${baseURL}/dists/${distrib}/${component}/${type}-${arch}/Packages")

  def packages = [:]
  def lines = response.content.split('\n')

  def currentPackage
  lines.each {
    def packageMatch = (it =~ /^Package: (.*)$/)
    if (packageMatch.find()) {
      def packageName = packageMatch.group(1)
      
      if (!packages[packageName]) {
        packages[packageName] = []
      }
      
      currentPackage = [:]
      currentPackage['name'] = packageName
      packages[packageName] += currentPackage
    }
    
    def versionMatch = (it =~ /^Version: (.*)$/)
    if (versionMatch.find()) {
      def version = versionMatch.group(1)
      currentPackage['version'] = version
    }
  }

  println "Found packages:"
  packages.each{
    println " - Package: ${it.key}, Version: ${it.value['version']}"
  }

  return packages
}