'use strict';

// modules > native
const p = require('path');
const fs = require('fs');

// modules > 3rd party
const chalk = require('chalk');

// modules > gulp:utilities
const gulp = require('gulp');
const through = require('through2');
const gutil = require('gulp-util');

const TASK_NAME = 'static';
const config = require('../config').static;

gulp.task(TASK_NAME, () => {
  let count = 0;

  return gulp.src(config.src)
    // we use through so that we can skip directories
    // we skip directories because we want to merge file structure
    .pipe(through.obj((file, enc, callback) => {
      fs.stat(file.path, (err, stats) => {
        if (stats.isDirectory())
          file = null;

        callback(null, file);
      });
    }))
    .pipe(gulp.symlink((file) => {
      count++;
      return p.join(config.dest);
    }))
    .on('end', () => {
      gutil.log(chalk.cyan(TASK_NAME) + ' done symlinking ' + chalk.bold.blue(count) + ' files');
    });
});