import au.com.coherentsoftware.gradle.mercurial.task.*
import org.apache.tools.ant.filters.ReplaceTokens

buildscript {
  repositories {
    mavenCentral()
    jcenter()
  }
  dependencies {
    classpath 'com.android.tools.build:gradle:0.9.+'
    classpath 'au.com.coherentsoftware.gradle:Gradle-MercurialMqPlugin:1.1.0+'
  }
}

allprojects {
  repositories {
    mavenCentral()
  }
}

apply plugin: 'mercurial-mq'

task cloneIcsOpenVPN( type: HgClone ) {
  ext.srcFile = file('build.gradle')
  ext.destDir = new File('.', 'ics-openvpn')
  inputs.file srcFile
  outputs.dir destDir
     
  sourceUrl = 'https://code.google.com/p/ics-openvpn/'
}

task updateIcsOpenVPN( type: HgUpdate, dependsOn: 'pullIcsOpenVPN' ) {
  workingDir = 'ics-openvpn'
  branch = 'default'
}

task pullIcsOpenVPN( type: HgPull ) {
  sourceUrl = 'https://code.google.com/p/ics-openvpn/'
  workingDir = 'ics-openvpn'
}

task copyIcsOpenVPNClasses( type: Copy ) {
  from ('ics-openvpn/main') {
    include '**/*.java'
    include '**/*.aidl'
    include '**/strings.xml'

    rename 'strings.xml', 'strings-icsopenvpn.xml'
    filter {
      line -> line.replaceAll('de.blinkt.openvpn.R', 'se.leap.bitmaskclient.R')
    }
    filter {
      line -> line.replaceAll('de.blinkt.openvpn.BuildConfig', 'se.leap.bitmaskclient.BuildConfig')
    }
    filter {      
      line -> line.replace('package de.blinkt.openvpn;', 'package de.blinkt.openvpn;\n\nimport se.leap.bitmaskclient.R;')
    }
  } into 'app'

  from ('ics-openvpn/main') {
    //TODO We should detect which drawables are needed by the classes
    //we need (such as de.blinkt.openvpn.core.OpenVpnService)
    include '**/ic_stat_vpn_offline.png'
    include '**/ic_stat_vpn_outline.png'
    include '**/ic_stat_vpn_empty_halo.png'
  } into 'app'
}

def processFileInplace(file, Closure processText) {
  def text = file.text
  file.write(processText(text))
}

// thanks to http://pleac.sourceforge.net/pleac_groovy/fileaccess.html
task removeDuplicatedStrings( dependsOn: 'copyIcsOpenVPNClasses' ) {
  def resources_directory = new File('./app/src/main/res/')
  resources_directory.eachFileRecurse {
    if(it.name.equals('strings.xml')) {
      def ics_openvpn_file = file(it.path.replace('strings.xml', 'strings-icsopenvpn.xml'))
      def ics_openvpn_strings_names = (new XmlParser()).parse(ics_openvpn_file)
      def current_file = it
      
      ics_openvpn_strings_names.string.each {
	processFileInplace(current_file) { text ->
	  text.replaceAll('.*name=\"' + it.attribute('name') + '\".*(\n)*.*string>.*\n+', '')
	}
      }

      if(it.path.contains('/values/')) {
	def untranslatable_strings_names = (new XmlParser()).parse(it.path.replace('strings.xml', 'untranslatable.xml'))
	untranslatable_strings_names.string.each {
	  processFileInplace(ics_openvpn_file) { text ->
	    text.replaceAll('.*name=\"' + it.attribute('name') + '\".*(\n)*.*string>.*\n+', '')
	  }
	}
      }
    }
  }
}