(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
  typeof define === 'function' && define.amd ? define(factory) :
  (global = global || self, global.VueHtmlToPaper = factory());
}(this, function () { 'use strict';

  function addStyles (win, styles) {
    styles.forEach(style => {
      let link = win.document.createElement('link');
      link.setAttribute('rel', 'stylesheet');
      link.setAttribute('type', 'text/css');
      link.setAttribute('href', style);
      win.document.getElementsByTagName('head')[0].appendChild(link);
    });
  }

  const VueHtmlToPaper = {
    install (Vue, options) {
      Vue.mixin({
        methods: {
          $htmlToPaper (el, cb) {
            let {
              name,
              specs,
              replace,
              styles
            } = options;
            specs = !!specs.length ? specs.join(',') : '';

            const element = document.getElementById(el);

            if(!element) {
              alert(`Element to print #${el} not found!`);
              return;
            }
            
            const url = '';
            const win = window.open(url, name, specs, replace);

            win.document.write(`
            <html>
              <head>
                <title>${document.title}</title>
              </head>
              <body>
                ${element.innerHTML}
              </body>
            </html>
          `);

            addStyles(win, styles);
            
            setTimeout(() => {
              win.document.close();
              win.focus();
              win.print();
              win.close();
              cb();
            }, 1000);          
            return true;
          }
        }
      });
    }
  };

  return VueHtmlToPaper;

}));