"use strict";

/**
 * Base Imports
 */
var fs = require('fs')
  , path = require('path')
/**
 * Userspace libs
 */
var async = require('async')
  , AdmZip = require('adm-zip')
  , _ = require('./lib')
  , log = console.log


var modules = [], basedir;

var Q = async.queue(function(data, next){
  _.md5sum( data.basedir + data.dirname + "/" + data.filename, function (err, md5) {
    if (!! err) return console.log("err..." + err) & next(err);

    _.find_mod_info(data.basedir + data.dirname + "/" + data.filename, function (err, id, name){
      if (!! err) {
        console.log('ERR >> ' + data.filename)
        throw err;
      }
      console.log("pushing: " + id);
      modules.push({
        id: id
      , name: name
      , url: data.dirname + "/" + escape(data.filename)
      , required: data.required
      , type: "Regular"
      , md5: md5
      });
      next();
    })
  })
}, 8);

Q.drain = function (err) {
  if (!! err) throw err;
  log('Q drainded')
  fs.writeFileSync("modules.json", JSON.stringify(modules));
  process.exit();
}


function enqueue (basedir) {
  // Enqueue files

  // first add optionals so I don't have to scroll down
  _.eachFile(basedir +'/mods-client', function (err, filename) {
    if (!! err) throw err;
    Q.push({
      dirname: "/mods-client"
    , filename: filename
    , required: false
    , basedir: basedir
    })
  })
  //
  _.eachFile( basedir + '/mods', function (err, filename) {
    if (!! err) throw err;
    log('Enqueue : ' + filename)
    Q.push({
      dirname: "/mods"
    , filename: filename
    , required: true
    , basedir: basedir
    })
  })
}

module.exports = function (basedir, callback) {
  enqueue(basedir);
  Q.drain = function (err) {
    callback(err, modules)
  }
}


// Run and save a pack.json if running locally
if (require.main === module) {
  enqueue("./pack");
}