"use strict";
import ejs from "ejs";

/**
 * @param {Object} options
 * @param {String} options.category
 * @param {String} options.template
 * @param {Object} options.data
 *
 * @return {Promise.<String, Error>}
 */
let parseTemplateToString = (options) => {
  let {category, template, data} = options;

  return new Promise(
    (resolve, reject) => {
      let filePath = `${__dirname}/../templates/${category}/${template}.ejs`;
      let renderingOptions = {
        client: true,
        rmWhitespace: true
      };
      ejs.renderFile(
        filePath,
        data,
        renderingOptions,
        (err, str) => {
          if(err) return reject(err);
          return resolve(str);
        }
      )
    }
  );
}

export default parseTemplateToString;

"use strict";
import fs from "fs";
import renderTemplateToString from "../templates"
const converter = require("phantom-html-to-pdf")({
  numberOfWorker: 2,
  timeout: 5000,
  tmpDir: "/tmp",
  phantomPath: require("phantomjs-prebuilt").path,
  strategy: "dedicated-process"
});

/**
 * @param {Object} ninja - data for the template
 * @returns {Promise.<String, Error>}
 */
const generateReport = (ninja) => {
  return renderTemplateToString(
    {
      category: "ninja",
      template: "newMission",
      data: {
        ninja
      }
    }
  )
    .then(
      template => {
        return new Promise(
          (resolve, reject) => {
            converter(
              {
                html: template
              },
              (err, pdf) => {
                if(err) return reject(err);
                return resolve(pdf.stream.path)
              }
            )
          }
        )
      }
    )

};

export default generateReport;

// other imports
import generatePdfService from "../services/generateReport"
// other express and other stuff
app.get(
  "/report/:ninjaId",
  (request, response) => {
    findNinja(request.params.ninjaId)
      .then(
        ninja => {
          return generatePdfService(ninja);
        }
      )
      .then(
        path => {
          response.setHeader("Content-disposition", "'inline; filename=report.pdf'");
          response.setHeader("Content-Type", "application/pdf");
          response.sendFile(path);

          /*
          the file is still there lying in the tmp directory....
          */
        }
      )
  }
);
// continue express and other stuff