var baseUrl = '';


(function($) {
  $(document).ready(function() {
    var $main = $('#main');
    //
    // function home() {
    //   $('#main')
    // }
    //
    // function showAlert(type, text) {
    //   $('#alert')
    //   .removeClass('success')
    // }

    var routeMap = {
      about: {
        data: function(cb) {
          $.get(baseUrl + '/data/about.html', cb);
        },
        controller: function(aboutHtml) {
          console.log('about', aboutHtml);
          $('#main').html(aboutHtml);
        }
      },
      welcome: {
        data: function(cb) {
          console.log('get data for welcome');
          $.get(baseUrl + '/data/products.json', function(data) {
            console.log('welcome.data.success', data);
            cb(data);
          }, 'json');
        },
        controller: function(products) {
          console.log('controller', arguments, products);

          products.forEach(product => {
            $main.append('<div class="product">' +
              '<img src="/images/products/' + product.image + '" alt="' + product.name + '" />' +
              '<div class="overlay">' + product.name + '</div>' +
            '</div>');
          })
        }
      },
      cart: {
        data: function(cb) {
          $.get(baseUrl + '/data/products.json', function(products) {
            console.log('products', products);
              $.get(baseUrl + '/data/cart.json', function(cart) {
                console.log('cart', cart);
                // console.log(cb.toString());
                cb({products, cart});
              });
          });

        },
        controller: function(data) {
          // console.log('controller', arguments, data);
          // $('#main').html(data.products.length);
          var products = data.products;
          var cart = data.cart;
          console.log(products);
          var $table = $('<table class="cart"><tr>' +
            '<th></th>' +
            '<th>Product&nbsp;ref</th>' +
            '<th>Product&nbsp;name</th>' +
            '<th>Qty.</th>' +
            '<th>Unit&nbsp;price</th>' +
            '<th>Price</th>' +
          '</tr></table>').appendTo($main);
          var total = 0.0;
          cart.forEach(function(item) {
            console.log('cart item', item);
            var product = _.find(products, {
              id: item.productId
            });
            total += item.quantity * product.price;
            $table.append('<tr>' +
            '<td class="thumb"><img src="/images/products/' + product.image + '" alt="' + product.name + '" /></td>' +
            '<td>' + product.productRef + '</td>' +
            '<td>' + product.name + '</td>' +
            '<td>' + item.quantity + '</td>' +
            '<td>' + product.price + '€</td>' +
            '<td>' + item.quantity * product.price + '€</td>' +
            '</tr>'
            )
          });
          $table.append('<tr><td colspan="5"></td>' +
            '<td><strong>' +total + '€</strong></td></tr>'
          );
        }
      }
    };

    function router(e) {
      var hash = window.location.hash;
      hash = hash ? hash.substr(1) : 'welcome';
      console.log('hash changed', hash);
      var existingRoutes = Object.keys(routeMap);
      if(existingRoutes.indexOf(hash) === -1) {
        console.log('error', 'route does not exist');
      }

      var routeHandler = routeMap[hash];
      if(
        typeof routeHandler.data !== 'function' ||
        typeof routeHandler.controller !== 'function'
      ) {
          console.log('Error, route handler for "' + hash + '" is invalid', routeHandler);
      }

      routeHandler.data(function(data) {
        // console.log('got data', hash, data);
        $main.empty();
        routeHandler.controller(data)
      });
    }




    window.addEventListener('hashchange', router);
    router();

    // console.log('ok loading products...');
    // $.get('/data/products.json?ts=' + Date.now(), function(data) {
    //   alert('done');
    //   // console.log('got products', data);
    // }, 'json');
  });
})(jQuery);