const gulp = require('gulp');
const css = require('@nuintun/gulp-css');
const { join, relative } = require('path');

// Fixed css resource path
function onpath(path, property, file, wwwroot) {
  if (/^[^./\\]/.test(path)) {
    path = './' + path;
  }

  if (path.startsWith('.')) {
    path = join(dirname(file), path);
    path = relative(wwwroot, path);
    path = '/' + path;
    path = path.replace(/\\+/g, '/');
  }

  path = path.replace('assets/', 'online/');

  return path;
}

// Task
gulp.task('default', function() {
  gulp
    .src('assets/css/**/*.css')
    .pipe(css({ onpath: onpath }))
    .pipe(gulp.dest('online/css'));
});