#!/usr/bin/env node

'use strict';

var fs = require('fs');
var path = require('path');
var adify = require('../src/transforms/adify').adify;

function findFiles(root, regex) {
  function walk(dir) {
    fs.readdirSync(dir).forEach(function(f) {
      var p = path.join(dir, f);
      if (fs.lstatSync(p).isDirectory()) {
        walk(p);
      } else if (f.match(regex)) {
        matches.push(p);
      }
    });
  }
  var matches = [];
  walk(root);
  return matches;
}

var root = path.join(__dirname, '..', 'src');

function adRequirePath(srcFilename) {
  var dir = path.dirname(srcFilename);
  var adFileName = path.join(__dirname, '..', 'src', 'ad.js');
  var adPath = path.normalize(path.dirname(path.relative(dir, adFileName)));
  return adPath + '/' + 'ad.js';
}

// Don't match text editor temporary files. e.g. src/.#dists.ad.js
findFiles(root, /^(\w.*)\.ad\.js$/).forEach(function(inFile) {
  var outFile = inFile.replace(/\.ad\.js$/, '.js');
  var code = fs.readFileSync(inFile, 'utf8');
  fs.writeFileSync(outFile, adify(code, adRequirePath(inFile)));
});