'use strict';

import gulp from 'gulp';
const { series, src, dest, watch } = gulp;
import gulpif from 'gulp-if';
import * as dartSass from 'sass';
import gulpSass from 'gulp-sass';
const sass = gulpSass(dartSass);
import autoprefixer from 'gulp-autoprefixer';
import stripDebug from 'gulp-strip-debug';
import jsmin from 'gulp-jsmin';
import cssmin from 'gulp-cssmin';
import rename from 'gulp-rename';
import mainBowerFiles from 'main-bower-files';
import svgmin from 'gulp-svgmin';
import minimist from 'minimist';

// var shared_variables = JSON.parse(fs.readFileSync('./assets/json/shared_variables.json'));

// to get minified assets run `gulp --env=prod`
var argv = minimist(process.argv.slice(2));
console.dir(argv);
// var prod = argv.env === 'prod' ? true : false;
var prod = true;

function handleError(err) {
  console.log(err.toString());
}

async function scripts() {
  return src(['./assets/scripts/main.js', './assets/scripts/redirect.js']) // './assets/scripts/shared_variables.js',
    // .pipe(concat('main.js'))
    .pipe(gulpif(prod, stripDebug()))
    .pipe(gulpif(prod, jsmin()))
    .pipe(rename({suffix: '.min'}))
    .pipe(dest('./assets/dist/scripts/'));
  
}

async function styles() {
  return src(['./assets/styles/app.scss'])
    .pipe(sass().on('error', sass.logError))
    .pipe(autoprefixer({
        browsers: ['last 2 versions'],
        cascade: false
    })).on('error', handleError)
    // .pipe(prod ? cssmin() : util.noop())
    .pipe(gulpif(prod, cssmin()))
    // .pipe(cssmin())
    .pipe(rename({suffix: '.min'}))
    .pipe(gulp.dest('./assets/dist/styles/'));
}

async function bower(){
  return src(mainBowerFiles({
    "overrides":{
      "masonry-layout":{
        "main":"./dist/masonry.pkgd.min.js"
      },
      "imagesloaded":{
        "main":"./imagesloaded.pkgd.min.js"
      },
      "jquery":{"ignore":true},
      "ev-emitter":{"ignore":true},
      "fizzy-ui-utils":{"ignore":true},
      "get-size":{"ignore":true},
      "outlayer":{"ignore":true},
    }
  }))
    .pipe(gulp.dest('./assets/dist/bower/'));
}

async function minsvg(){
  return src(['./assets/img/*.svg', '!./assets/img/edlp-loader-anim.svg'])
    .pipe(svgmin())
    .pipe(gulp.dest('./assets/dist/img'));
}

async function svg(){
  return src('./assets/img/edlp-loader-anim.svg')
    .pipe(gulp.dest('./assets/dist/img'));
}

function devwatch(){
  watch('./assets/styles/*.scss', styles);
  watch('./assets/styles/base/*.scss', styles);
  watch('./assets/scripts/*.js', scripts);
  watch('./assets/img/*.svg', svg);
}

export default series(scripts, styles, svg, minsvg);
export { devwatch }