var BOB_mod_path    = require('path');
var BOB_mod_mkdirp  = require('mkdirp');
var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');

var BOB_cfg_config = BOB_initConfig();

var routes = require('./routes/index')(BOB_cfg_config);
var users = require('./routes/users');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

// uncomment after placing your favicon in /public
//app.use(favicon(__dirname + '/public/favicon.ico'));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.use('/', routes);
app.use('/users', users);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
  app.use(function(err, req, res, next) {
    res.status(err.status || 500);
    res.render('error', {
      message: err.message,
      error: err
    });
  });
}

// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
  res.status(err.status || 500);
  res.render('error', {
    message: err.message,
    error: {}
  });
});

app.setSocketIo = function(pSocketIo) {
  BOB_cfg_config.io = pSocketIo;

  pSocketIo.on('connection', function(socket){
    console.log('New client connected', socket.id);

    socket.on('event', function(data){
      console.log("event");
    });
    socket.on('disconnect', function(){
      console.log("disconnect");
    });
  });
}

module.exports = app;



function BOB_initConfig() {
  // Config
  var cfgConfig  = {
    background  : '#fff0ff',
    margins     : 0.01,
    style       : 'default',
    nbPicture   : 4,
    cropSize    : {
      width : 900,
      height : 1125
    },
    pictNames   : [],
    layout      : [],
    booths      : {},
    paths : {
      final     : "",
      template  : "",
      prebuilt  : "",
      original  : ""
    }
  };
  // Init PATH 
  cfgConfig.paths.final    = BOB_mod_path.resolve(__dirname, './public/img/final');
  cfgConfig.paths.final_ld = BOB_mod_path.resolve(__dirname, './public/img/final_ld');
  cfgConfig.paths.prebuilt = BOB_mod_path.resolve(__dirname, './public/img/prebuilt');
  cfgConfig.paths.template = BOB_mod_path.resolve(__dirname, './public/img/template');
  cfgConfig.paths.original = BOB_mod_path.resolve(__dirname, './public/img/original');

  BOB_mod_mkdirp.sync(cfgConfig.paths.final);
  BOB_mod_mkdirp.sync(cfgConfig.paths.final_ld);
  BOB_mod_mkdirp.sync(cfgConfig.paths.prebuilt);
  BOB_mod_mkdirp.sync(cfgConfig.paths.original);

  // Init pinctures names
  for( var index = 0; index < cfgConfig.nbPicture; index ++ ) {
    (function(pId) {
      cfgConfig.pictNames.push('pict_'+pId+'.jpg');
    })(index);
  }

  return cfgConfig;
}