/* *
 * 添加商品到购物车 
 */

function addToCart(goodsId, parentId)
{
  var goods        = new Object();
  var spec_arr     = new Array();
  var fittings_arr = new Array();
  var number       = 1;
  var formBuy      = document.forms['ECS_FORMBUY'];
  var quick		   = 0;

  // 检查是否有商品规格 
  if (formBuy)
  {
    spec_arr = getSelectedAttributes(formBuy);

    if (formBuy.elements['number'])
    {
      number = formBuy.elements['number'].value;
    }

	quick = 1;
  }

  goods.quick    = quick;
  goods.spec     = spec_arr;
  goods.goods_id = goodsId;
  goods.number   = number;
  goods.parent   = (typeof(parentId) == "undefined") ? 0 : parseInt(parentId);

	$.post(site_domain+'purchase/add_to_cart.html', {goods:$.toJSON(goods)}, addToCartResponse,"json")
	//Ajax.call('flow.php?step=add_to_cart', 'goods=' + $.toJSON(goods), addToCartResponse, 'POST', 'JSON');
}

/**
 * 获得选定的商品属性
 */
function getSelectedAttributes(formBuy)
{
  var spec_arr = new Array();
  var j = 0;

  for (i = 0; i < formBuy.elements.length; i ++ )
  {
    var prefix = formBuy.elements[i].name.substr(0, 5);

    if (prefix == 'spec_' && (
      ((formBuy.elements[i].type == 'radio' || formBuy.elements[i].type == 'checkbox') && formBuy.elements[i].checked) ||
      formBuy.elements[i].tagName == 'SELECT'))
    {
      spec_arr[j] = formBuy.elements[i].value;
      j++ ;
    }
  }

  return spec_arr;
}

/* *
 * 处理添加商品到购物车的反馈信息
 */
function addToCartResponse(result)
{
  //alert(result);
	if (result.error > 0)
  {
    // 如果需要缺货登记，跳转
    if (result.error == 2)
    {
      if (confirm(result.message))
      {
        location.href = site_domain+'add_booking.html?id=' + result.goods_id + '&spec=' + result.product_spec;
      }
    }
    // 没选规格，弹出属性选择框
    else if (result.error == 6)
    {
      openSpeDiv(result.message, result.goods_id, result.parent);
    }
    else
    {
      alert(result.message);
    }
  }
  else
  {
    var cartInfo = document.getElementById('ECS_CARTINFO');
    var cart_url = site_domain+'purchase/cart.html';

    if (result.one_step_buy == '1')
    {
      location.href = cart_url;
    }
    else
    {
      switch(result.confirm_type)
      {
        case '1' :
          if (confirm(result.message)) location.href = cart_url;
          break;
        case '2' :
          if (!confirm(result.message)) location.href = cart_url;
          break;
        case '3' :
          location.href = cart_url;
          break;
        default :
          break;
      }
    }
  }
}

/* *
 * 添加商品到收藏夹
 */
function collect(goodsId)
{
	$.get(site_domain+'member/collect.html', {id:goodsId}, function (data, textStatus){
				alert(data.message);
		},'json')
	//Ajax.call('user.php?act=collect', 'id=' + goodsId, collectResponse, 'GET', 'JSON');
}

/* 以下四个函数为属性选择弹出框的功能函数部分 */
//检测层是否已经存在
function docEle() 
{
  return document.getElementById(arguments[0]) || false;
}

//生成属性选择层
function openSpeDiv(message, goods_id, parent) 
{
  var _id = "speDiv";
  var m = "mask";
  if (docEle(_id)) document.removeChild(docEle(_id));
  if (docEle(m)) document.removeChild(docEle(m));
  //计算上卷元素值
  var scrollPos; 
  if (typeof window.pageYOffset != 'undefined') 
  { 
    scrollPos = window.pageYOffset; 
  } 
  else if (typeof document.compatMode != 'undefined' && document.compatMode != 'BackCompat') 
  { 
    scrollPos = document.documentElement.scrollTop; 
  } 
  else if (typeof document.body != 'undefined') 
  { 
    scrollPos = document.body.scrollTop; 
  }

  var i = 0;
  var sel_obj = document.getElementsByTagName('select');
  while (sel_obj[i])
  {
    sel_obj[i].style.visibility = "hidden";
    i++;
  }

  // 新激活图层
  var newDiv = document.createElement("div");
  newDiv.id = _id;
  newDiv.style.position = "absolute";
  newDiv.style.zIndex = "10000";
  newDiv.style.width = "300px";
  newDiv.style.height = "260px";
  newDiv.style.top = (parseInt(scrollPos + 200)) + "px";
  newDiv.style.left = (parseInt(document.body.offsetWidth) - 200) / 2 + "px"; // 屏幕居中
  newDiv.style.overflow = "auto"; 
  newDiv.style.background = "#FFF";
  newDiv.style.border = "3px solid #59B0FF";
  newDiv.style.padding = "5px";

  //生成层内内容
  newDiv.innerHTML = '<h4 style="font-size:14; margin:15 0 0 15;">' + select_spe + "</h4>";

  for (var spec = 0; spec < message.length; spec++)
  {
      newDiv.innerHTML += '<hr style="color: #EBEBED; height:1px;"><h6 style="text-align:left; background:#ffffff; margin-left:15px;">' +  message[spec]['name'] + '</h6>';

      if (message[spec]['attr_type'] == 1)
      {
        for (var val_arr = 0; val_arr < message[spec]['values'].length; val_arr++)
        {
          if (val_arr == 0)
          {
            newDiv.innerHTML += "<input style='margin-left:15px;' type='radio' name='spec_" + message[spec]['attr_id'] + "' value='" + message[spec]['values'][val_arr]['id'] + "' id='spec_value_" + message[spec]['values'][val_arr]['id'] + "' checked /><font color=#555555>" + message[spec]['values'][val_arr]['label'] + '</font> [' + message[spec]['values'][val_arr]['format_price'] + ']</font><br />';      
          }
          else
          {
            newDiv.innerHTML += "<input style='margin-left:15px;' type='radio' name='spec_" + message[spec]['attr_id'] + "' value='" + message[spec]['values'][val_arr]['id'] + "' id='spec_value_" + message[spec]['values'][val_arr]['id'] + "' /><font color=#555555>" + message[spec]['values'][val_arr]['label'] + '</font> [' + message[spec]['values'][val_arr]['format_price'] + ']</font><br />';      
          }
        } 
        newDiv.innerHTML += "<input type='hidden' name='spec_list' value='" + val_arr + "' />";
      }
      else
      {
        for (var val_arr = 0; val_arr < message[spec]['values'].length; val_arr++)
        {
          newDiv.innerHTML += "<input style='margin-left:15px;' type='checkbox' name='spec_" + message[spec]['attr_id'] + "' value='" + message[spec]['values'][val_arr]['id'] + "' id='spec_value_" + message[spec]['values'][val_arr]['id'] + "' /><font color=#555555>" + message[spec]['values'][val_arr]['label'] + ' [' + message[spec]['values'][val_arr]['format_price'] + ']</font><br />';     
        }
        newDiv.innerHTML += "<input type='hidden' name='spec_list' value='" + val_arr + "' />";
      }
  }
  newDiv.innerHTML += "<br /><center>[<a href='javascript:submit_div(" + goods_id + "," + parent + ")' class='f6' >" + btn_buy + "</a>]&nbsp;&nbsp;[<a href='javascript:cancel_div()' class='f6' >" + is_cancel + "</a>]</center>";
  document.body.appendChild(newDiv);


  // mask图层
  var newMask = document.createElement("div");
  newMask.id = m;
  newMask.style.position = "absolute";
  newMask.style.zIndex = "9999";
  newMask.style.width = document.body.scrollWidth + "px";
  newMask.style.height = document.body.scrollHeight + "px";
  newMask.style.top = "0px";
  newMask.style.left = "0px";
  newMask.style.background = "#000";
  newMask.style.filter = "alpha(opacity=30)";
  newMask.style.opacity = "0.30";
  document.body.appendChild(newMask);
} 

//获取选择属性后，再次提交到购物车
function submit_div(goods_id, parentId) 
{
  var goods        = new Object();
  var spec_arr     = new Array();
  var fittings_arr = new Array();
  var number       = 1;
  var input_arr      = document.getElementsByTagName('input'); 
  var quick		   = 1;

  var spec_arr = new Array();
  var j = 0;

  for (i = 0; i < input_arr.length; i ++ )
  {
    var prefix = input_arr[i].name.substr(0, 5);

    if (prefix == 'spec_' && (
      ((input_arr[i].type == 'radio' || input_arr[i].type == 'checkbox') && input_arr[i].checked)))
    {
      spec_arr[j] = input_arr[i].value;
      j++ ;
    }
  }

  goods.quick    = quick;
  goods.spec     = spec_arr;
  goods.goods_id = goods_id;
  goods.number   = number;
  goods.parent   = (typeof(parentId) == "undefined") ? 0 : parseInt(parentId);

	$.post(site_domain+'purchase/add_to_cart.html', {goods:$.toJSON(goods)}, addToCartResponse,"json")

  document.body.removeChild(docEle('speDiv'));
  document.body.removeChild(docEle('mask'));

  var i = 0;
  var sel_obj = document.getElementsByTagName('select');
  while (sel_obj[i])
  {
    sel_obj[i].style.visibility = "";
    i++;
  }

}

// 关闭mask和新图层
function cancel_div() 
{
  document.body.removeChild(docEle('speDiv'));
  document.body.removeChild(docEle('mask'));

  var i = 0;
  var sel_obj = document.getElementsByTagName('select');
  while (sel_obj[i])
  {
    sel_obj[i].style.visibility = "";
    i++;
  }
}