var nconf = require('nconf');
var _ = require('lodash');
var fs = require('fs');
var path = require('path');

module.exports.forceSSL = function(req, res, next){
  var baseUrl = nconf.get("BASE_URL");

  if (req.headers['x-forwarded-proto'] && req.headers['x-forwarded-proto'] !== 'https'
    && nconf.get('NODE_ENV') === 'production'
    && baseUrl.indexOf('https') === 0) {
    return res.redirect(baseUrl + req.url);
  }
  next()
}

module.exports.splash = function(req, res, next) {
  if (req.url == '/' && !req.headers['x-api-user'] && !req.headers['x-api-key'] && !(req.session && req.session.userId))
    return res.redirect('/static/front')
  next()
};

module.exports.cors = function(req, res, next) {
  res.header("Access-Control-Allow-Origin", req.headers.origin || "*");
  res.header("Access-Control-Allow-Methods", "OPTIONS,GET,POST,PUT,HEAD,DELETE");
  res.header("Access-Control-Allow-Headers", "Content-Type,Accept,Content-Encoding,X-Requested-With,x-api-user,x-api-key");
  if (req.method === 'OPTIONS') return res.send(200);
  return next();
};

var buildFiles = [];

var walk = function(folder){
  var res = fs.readdirSync(folder);

  res.forEach(function(fileName){
    file = folder + '/' + fileName;
    if(fs.statSync(file).isDirectory()){
      walk(file);
    }else{
      var relFolder = path.relative(path.join(__dirname, "/../build"), folder);
      var old = fileName.replace(/-.{8}(\.[\d\w]+)$/, '$1');

      if(relFolder){
        old = relFolder + '/' + old;
        fileName = relFolder + '/' + fileName;
      }

      buildFiles[old] = fileName
    }
  });
}

walk(path.join(__dirname, "/../build"));

var getBuildUrl = function(url){
  console.log("CALLED ", url)
  if(buildFiles[url]) return buildFiles[url];

  return filename;
}

module.exports.locals = function(req, res, next) {
  res.locals.habitrpg  = res.locals.habitrpg || {}
  _.defaults(res.locals.habitrpg, {
    NODE_ENV: nconf.get('NODE_ENV'),
    IS_MOBILE: /Android|webOS|iPhone|iPad|iPod|BlackBerry/i.test(req.header('User-Agent')),
    STRIPE_PUB_KEY: nconf.get('STRIPE_PUB_KEY'),
    getBuildUrl: getBuildUrl
  });
  next()
}
/*

 */