define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefined, Backend, Table, Form) {
    var max_goods_count = 6;
    $(document).on('click', '.js_add_goods', function () {
        selectedIds = getSelectedIds();
        if (selectedIds.length >= max_goods_count) {
            Layer.alert('最多可以选择' + max_goods_count + '个商品');
            return false;
        }
        _goodsSelectUrl = getGoodsSelectUrl();
        Fast.api.open(_goodsSelectUrl, '选择商品', {
            callback: function (data) {
                createGoodsItem(data[0]);
            }
        })
    });

    $(document).on('click', '.js_edit', function () {
        $editBtn = $(this);
        _goodsSelectUrl = getGoodsSelectUrl();
        Fast.api.open(_goodsSelectUrl, '选择商品', {
            callback: function (data) {
                var goodsItem = data[0];
                htmlstr = formatGoodsItem(goodsItem);
                $editBtn.parents('.js_goods_item').html(htmlstr);
            }
        })
    });

    $(document).on('click', '.js_del', function () {
        $delBtn = $(this);
        layer.confirm('您确认移除商品吗?', {title: "移除商品"}, function (index) {
            layer.close(index);
            $delBtn.parents('.js_goods_item').remove();
        });

    });

    /**
     * 获取已选中的商品id
     * @returns {Array}
     */
    function getSelectedIds() {
        formValueList = $('form').serializeArray();
        selectedIds = [];
        for (var i = 0; i < formValueList.length; i++) {
            var item = formValueList[i];
            if (item.name == 'row[goods_id][]') {
                selectedIds.push(item.value);
            }
        }
        return selectedIds;
    }

    /**
     * 获取商品选择框的加载列表的API地址
     * @returns {string}
     */
    function getGoodsSelectUrl() {
        selectedIds = getSelectedIds();
        goodsSelectUrl = 'goods/select?business_line=' + Config.business_line;
        if (selectedIds.length > 0) {
            goodsSelectUrl += '&selected_ids=' + selectedIds.join('_');
        }
        return goodsSelectUrl;
    }

    /**
     * 初始化商品列表
     * @param list
     */
    function initGoodsList(list) {
        for (i = 0; i < list.length; i++) {
            if (Config.business_line == list[i].business_line) {
                createGoodsItem(list[i]);
            }
        }
    }

    /**
     * 格式化商品单元格
     * @param goodsItem 商品对象
     * @returns {string}
     */
    function formatGoodsItem(goodsItem) {
        var checked = goodsItem.default == '1' ? 'checked' : '';
        var htmlstr =
            '<div class="recl_info js_edit">' +
            '<div class="recl_box">' +
            '<div class="recl_mark">' + goodsItem.icon + '</div>' +
            '<div class="recl_tit">' + goodsItem.show_type_text + '</div>' +
            '<div class="recl_money">' + goodsItem.title + '</div>' +
            '<div class="recl_des">' +
            '<strong>' + goodsItem.first_description + '</strong>' +
            '<span>' + goodsItem.second_description + '</span>' +
            '</div></div><input type="hidden" name="row[goods_id][]" value="' + goodsItem.id + '"></div> ' +
            '<div class="recl_operate">' +
            '<span style="float: left;line-height: 30px;"><input type="radio" name="row[default]" value="'+goodsItem.id+'" '+checked+'>用户默认勾选</span>'+
            '<a href="javascript:;" class="btn btn-xs btn-danger btn-delone js_del" title=""' +
            'data-table-id="table" data-field-index="4" data-row-index="0"' +
            'data-button-index="2"><i class="fa fa-trash"></i></a>' +
            '<a href="javascript:;" class="btn btn-xs btn-success js_move" title=""' +
            'data-table-id="table" data-field-index="4" data-row-index="0"' +
            'data-button-index="2"><i class="fa fa-arrows"></i></a>' +
            '</div>';
        return htmlstr;
    }

    /**
     * 创建商品
     * @param goodsItem
     */
    function createGoodsItem(goodsItem) {
        htmlstr = formatGoodsItem(goodsItem);
        htmlstr = '<li class="js_goods_item" draggable="true">' + htmlstr + '</li>';
        $('.js_add_goods_item').before(htmlstr);
    }

    $(document).delegate('.js_move', 'click', function () {
        $(this).closest('.js_goods_item').addClass('js_goods_border');
        if ($('.js_goods_border').length == 2) {
            var list = $('.js_goods_item').toArray();
            var from = $('.js_goods_border').eq(0).index();
            var to = $('.js_goods_border').eq(1).index();
            var vfrom = list[from]
            var vto = list[to]
            list.splice(from,1,vto);
            list.splice(to,1,vfrom);
            $('.js_goods_list').html(list);
            $('.js_goods_border').removeClass('js_goods_border');
        }
    })

    customGoodsListStr = Config.customGoodsList;
    customGoodsList = JSON.parse(customGoodsListStr);
    initGoodsList(customGoodsList);

    var Controller = {
        index: function () {
        }
    };
    return Controller;
});