const fs = require('fs')

module.exports = function compile(page, fn){
  switch(page.type){
    case 'md':
      compileMD(page.file, fn)
      break;
    default:
      fn(-2)
  }
}


/* =============================================================
 * === Markdown ================================================
 * =============================================================
 */

const showdown = require('showdown')
const MDCompile = new showdown.Converter({tables: true})

function compileMD(file, fn){
  fs.readFile(file, 'utf-8', function(err, markdown){
    if(err){
      console.error("ERROR: could not read file:", file)
      if(typeof fn == 'function')
        fn(-1)
    }
    html = MDCompile.makeHtml(markdown);
    if(typeof fn == 'function')
      fn(html)
    else
      fs.writeFile(fn, html, function(err){
        if(err)
          console.error(err)
      })
  })
}