var viewport = casper.cli.options.viewport || 'desktop-standard',
   viewports = {
      'smartphone-portrait' : {
         'name': 'smartphone-portrait',
         'viewport': {width: 320, height: 480}
      },
      'smartphone-landscape': {
         'name': 'smartphone-landscape',
         'viewport': {width: 480, height: 320}
      },
      'tablet-portrait' : {
         'name': 'tablet-portrait',
         'viewport': {width: 768, height: 1024}
      },
      'tablet-landscape' : {
         'name': 'tablet-landscape',
         'viewport': {width: 1024, height: 768}
      },
      'desktop-standard' : {
         'name': 'desktop-standard',
         'viewport': {width: 1280, height: 1024}
      }
   },
   activeViewport = viewports[viewport];

// Setup logging
casper.options.verbose = true;
casper.options.logLevel = 'warning';

var common = (function()
{
   var enableScreenshots = casper.cli.options.hasOwnProperty('screenshots');
   var shopData = {};

   return {

      /**
       * @param test {Tester}
       * @returns {*}
       */
      goToHomepage: function(test)
      {
         return casper.start('http://kupshop.local/', function() {
            common.screenshot('homepage');
            test.assertHttpStatus(200, 'Homepage loded');
         });
      },

      screenshotCounter: 0,
      screenshot: function(name)
      {
         if (enableScreenshots) {
            name = name || ('screenshot' + common.screenshotCounter++);
            casper.capture(['tests/data/screenshots/', activeViewport.name, '/', name, '.png'].join(''));
         }
      },

      error: function(message)
      {
         if (enableScreenshots) {
            var name = 'error' + common.screenshotCounter++,
               filename = ['tests/data/screenshots/', activeViewport.name, '/', name, '.png'].join('');
            casper.capture(filename);
            message += ' >>>> screenshot ' + filename;
         }

         throw message;
      },

      log: function(message)
      {
         casper.log(message, 'warning');
      },

      setShopData: function(data)
      {
         shopData = data;
      },

      getOrder: function()
      {
         return shopData.order;
      },

      getUrl: function(url)
      {
         return shopData.urls[url];
      },

      /**
       * @param login {String}
       * @param password {String}
       */
      showAndSendLoginForm: function (login, password)
      {
         var loginFormSelector = 'form[action="'+common.getUrl('login')+'"]',
            me = this;
         casper.click('#login_link', 'Login button clicked.');

         casper.wait(500, function() {
            casper.test.assertVisible(loginFormSelector, 'Login form is visible.');
            me.screenshot('login-dialog');
            casper.fill(loginFormSelector, {
               'login': login,
               'password': password
            }, false);
            me.screenshot('login-dialog-filled-'+login);
            casper.click(loginFormSelector + ' input[name="Submit"]');
         });
      }
   };
})();

casper.on('error', function(msg, backtrace) {
   common.error(msg);
});

casper.start();

casper.viewport(activeViewport.viewport.width, activeViewport.viewport.height);

var execFile = require("child_process").execFile;
execFile("symfony", ["kupshop:get_end2end_data"], null, function (err, stdout) {
   try {
      common.setShopData(JSON.parse(stdout));
   } catch (err) {
      console.error(err);
   }

   casper.run(function () {
      this.test.done();
   });
});