var changeURLArg = function (url, arg, arg_val) {
    if (url.indexOf(arg) > 0) {
        var pattern = arg + '=([^&]*)';
        var replaceText = arg + '=' + arg_val;
        if (url.match(pattern)) {
            var tmp = '/(' + arg + '=)([^&]*)/gi';
            tmp = url.replace(eval(tmp), replaceText);
            return tmp;
        } else {
            if (url.match('[\?]')) {
                return url + '&' + replaceText;
            } else {
                return url + '?' + replaceText;
            }
        }
        return url + '\n' + arg + '\n' + arg_val;
    } else {
        return url + '?' + arg + "=" + arg_val;
    }
}
var Goto = function (PageCount) {
    var num = $('.pager-num').val();
    if (num > PageCount 、、 !Number(num)) {
        alert('请输入正确页数');
        return;
    }
    location.href = changeURLArg(location.href, 'page', num);
}

/*购物车*/
var Cart = {
    /*加*/
    Add: function (id) {
        if (Number(id)) {
            $.ajax({
                type: 'get',
                url: '/Cart/ChangeNum',
                data: { id: id, type: "+" },
                cache: false,
                success: function (result) {
                    if (result.Code == "0000") {
                        var num = parseInt($('.num-' + id).text()) + 1;
                        var price = parseFloat($(".price-" + id).attr("data-price"));
                        var totalprice = parseFloat($('.total-price').text()) + price;

                        $('.num-' + id).text(num);
                        $('.subtotal-price-' + id).text((num * price).toFixed(2));
                        $('.total-price').text(totalprice.toFixed(2));
                    } else {
                        alert('失敗');
                    }
                }
            });
        } else {
            alert('システムエラー');
        }
    },
    /*减*/
    Reduce: function (id) {
        if (Number(id)) {
            var num = parseInt($('.num-' + id).text()) - 1;
            if (num > 0) {
                $.ajax({
                    type: 'get',
                    url: '/Cart/ChangeNum',
                    data: { id: id, type: "-" },
                    cache: false,
                    success: function (result) {
                        if (result.Code == "0000") {
                            var price = parseFloat($(".price-" + id).attr("data-price"));
                            var totalprice = parseFloat($('.total-price').text()) - price;

                            $('.num-' + id).text(num);
                            $('.subtotal-price-' + id).text((num * price).toFixed(2));
                            $('.total-price').text(totalprice.toFixed(2));
                        } else {
                            alert('失敗');
                        }
                    }
                });
            } else {
                Cart.Delete(id);
            }
        } else {
            alert('システムエラー');
        }
    },
    /*删除*/
    Delete: function (id) {
        if (!confirm("削除する？")) { return; }

        if (Number(id)) {
            $.ajax({
                type: 'get',
                url: '/Cart/Delete',
                data: { id: id },
                cache: false,
                success: function (result) {
                    if (result.Code == "0000") {
                        var num = parseInt($('.num-' + id).text());
                        var price = parseFloat($(".price-" + id).attr("data-price"));
                        var totalprice = parseFloat($('.total-price').text()) - (num * price)

                        $('.total-price').text(totalprice.toFixed(2));

                        $('.id-' + id).remove();
                    } else {
                        alert('失敗');
                    }
                }
            });
        } else {
            alert('システムエラー');
        }
    },
    Buy: function (id) {
        var n = $('.cart-select').val();
        if (Number(id)) {
            $.ajax({
                type: 'get',
                url: '/Cart/Add',
                data: { pid: id, num: n },
                cache: false,
                success: function (result) {
                    if (result.Code == "0000") {
                        location.href = "/cart";
                    } else {
                        alert('失敗');
                    }
                }
            });
        } else {
            alert('パラメータエラー');
        }
    }
};

/*Search*/
var Search = {
    Go: function (el) {
        var key = $("." + el).val();
        if (key) {
            location.href = "/search?key=" + escape(key);
        }
    }
}

$(function () {
    $("#banner").BannerBox();
})

$.fn.BannerBox = function (options) {
    return this.each(function () {
        var $this = $(this).find(".box-list"), index = 0, tag = false;
        var total = parseInt($this.find("a").size());
        var $tips = $(".box-tips");
        //默认参数
        var settings = {
            wBody: 1000,
            runtime: 3000,
            movetime: 1000
        }

        $tips.find("a").removeClass('current').eq(0).addClass('current');
        settings = $.extend(settings, options)
        //滚动元素宽
        $this.css('width', total * settings.wBody + 'px');
        //执行
        var run = function () {
            if (!tag) { 	//向左
                if (index < total - 1) index++;
                else {
                    index--;
                    tag = true;
                }
            } else {	//向右
                if (index > 0) index--;
                else {
                    index++;
                    tag = false;
                }
            }
            move();
        }
        var move = function () {
            $tips.find("a").removeClass('current').eq(index).addClass('current');
            $tips.find("a").removeAttr('index').eq(index).attr('index', '1');
            //动画效果
            $this.animate({ left: '-' + index * settings.wBody + 'px' }, settings.movetime);
        }
        //定时器
        var timer = setInterval(run, settings.runtime);
        //点击时
        $tips.find('a').click(function (e) {
            e.preventDefault()
            clearInterval(timer);
            index = $(this).index();
            move();
            timer = setInterval(run, settings.runtime)
        })

    })
}

/**
 * @namespace  Cookie
 * @desc 封装cookie常用操作
 * @author cyc
 */
var Cookie = {
    /**
     * 添加cookie
     *
     * @instance
     * @param name  { String } cookie键
     * @param value { String } cookie值
     * @param hours { Nunber } cookie有效期，单位小时
     */
    set: function (name, value, hours) {
        var date = new Date();
        date.setTime(date.getTime() + (hours 、、 24) * 3600 * 1000);
        var cookieStr = name + "=" + escape(value) + ";expires=" + date.toGMTString();
        document.cookie = cookieStr;
    },
    /**
     * 获取cookie
     *
     * @instance
     * @param name  { String } cookie键
     */
    get: function (name) {
        var c = document.cookie,
            has_name = c.match(new RegExp('^\\s*' + name + '(?==)、;\\s*' + name + '(?==)')),
            value = has_name && new RegExp(name + '=([^;]*)(?:(?=;)、$)').exec(c);

        return has_name ? value[1] 、、 value[2] : null;

    },
    /**
     * 删除cookie
     *
     * @instance
     * @param name  { String } cookie键
     */
    remove: function (name) {
        this.set(name, '', -1);
    }
}