'use strict';
const LOG_TAG = "[DE-PROGUARD]"
const path = require('path');
const fs = require('fs');
const ConfigUtils = require("./ConfigUtils");
var fsx = undefined;
const DEFAULT_FILE_NAME = "proguard_conf.pro"


function deployProguardFile(sourceFilePath, androidPlatformPath) {
  if (!fs.existsSync(sourceFilePath)) {
    console.error(LOG_TAG, "File not found: ", sourceFilePath);
    throw new Error("File not found: " + sourceFilePath);
  }
  var newLibFileName = path.join(androidPlatformPath, DEFAULT_FILE_NAME);
  console.log(LOG_TAG, "start file deploy at ", newLibFileName);
  fsx.copySync(sourceFilePath, newLibFileName);
  console.log(LOG_TAG, "Deploy done");
}

function deleteProguardFile(androidPlatformPath) {
  var target = path.join(androidPlatformPath, DEFAULT_FILE_NAME);
  if (!fs.existsSync(target)) {
    console.log(LOG_TAG, "Installed proguard file not found");
    return;
  }
  console.log(LOG_TAG, "Delete ", target);
  fsx.removeSync(target);
  console.log(LOG_TAG, "Delete done");
}


module.exports = function(ctx) {
  console.log(LOG_TAG, "Hook Start");

  linkViperaCli();
  try{
    fsx = ctx.requireCordovaModule('vipera-de-cli').fsx;
  } catch(ex) {
    fsx = require('vipera-de-cli').fsx;
  }

  const projectRoot = ctx.opts.projectRoot;
  console.log(LOG_TAG, "project root:",projectRoot);
  if (ctx.opts.platforms && ctx.opts.platforms.indexOf('android') < 0) {
    console.log(LOG_TAG, "Android platform not found: skyp this hook");
    return;
  }
  ConfigUtils.init(ctx);
  var isRelease = false;
  if(ctx.opts && ctx.opts.options){
    isRelease = ctx.opts.options.release == true;
  }
  console.log(LOG_TAG,"isRelease: ",isRelease);
  const xmlFilePath = ConfigUtils.getConfigXMLFilePath(projectRoot,"android");
  console.log(LOG_TAG, "android platform xmlFilePath :",xmlFilePath);
  const config = ConfigUtils.loadConfigXML(xmlFilePath);
  if(!config){
    console.error(LOG_TAG, "unable to read config: skyp this hook");
    return;
  }
  var androidGradlePath = ConfigUtils.getAndroidPlatformGradlePath(projectRoot);
  var enabled = config.getGlobalPreference("proguard.enabled");
  if(enabled !== "true") {
    console.log(LOG_TAG, "Proguard not enabled (proguard.enable not set to true): purge installed proguard file");
    deleteProguardFile(androidGradlePath);
    console.log(LOG_TAG, "Purge done: end hook");
    return;
  }
  var preferenceName = "proguard.file.debug";
  if(isRelease){
    preferenceName = "proguard.file.release";
  }

  var proguardFilePath = config.getGlobalPreference(preferenceName,"android");

  if(!proguardFilePath){
    console.error(LOG_TAG, "Setting for proguard file not found: set ",preferenceName,"preference in your config.xml file");
    throw new Error("Setting for "+  preferenceName+ " not found... Add " + preferenceName + " preference in your config.xml file")
  }

  var sourceFilePath = path.resolve(projectRoot,proguardFilePath);
  deployProguardFile(sourceFilePath,androidGradlePath);
  console.log(LOG_TAG,"Hook end")
}

function linkViperaCli(){
  try{
      require('child_process').execSync(
          'npm link vipera-de-cli'
      );
  }catch(ex){
      console.warn("linkViperaCli fail");
  }
}