/**

 * Dependencies

 */

const fs = require('fs');

const gulp  = require('gulp');

const handlebars = require('gulp-compile-handlebars');

const path = require('path');

const rename = require('gulp-rename');

/**

 * Module body / Expose

 */

module.exports = (manifestPath, scriptSourceTemplate, staticRoot) => {

  const manifest = JSON.parse(fs.readFileSync(manifestPath, 'utf8'));

  const handlebarOpts = {

            helpers: {

                assetPath: (path, context) => {

                    return [staticRoot, context.data.root[path]].join('/');

                }

            }

        };

  const outputFile = path.basename(scriptSourceTemplate).replace('.hbs', '.html');

  return gulp.src(scriptSourceTemplate)

      .pipe(handlebars(manifest, handlebarOpts))

      .pipe(rename(outputFile));

};