var wishlistadd = 'F';
function get_cookie(name){
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen){
		var j = i + alen;
		if (document.cookie.substring(i, j) == arg){
			offset=j;
			var endstr = document.cookie.indexOf (";", offset);
			if (endstr == -1) endstr = document.cookie.length;
				return unescape (document.cookie.substring(offset, endstr));
		}
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0) break;
	}
	return null;
}

//可訂購通知我
function wishlist(item){
    var now=new Date();
    var sec  = now.getTime().toString();
    if(wishlistadd=="F")
    {
        $.ajax({ 
            url: "/product_show/itemtracker_new/"+item,
            async: false,
            type: 'get',
            dataType: 'html',
            success: function(data){
                if(data == 'email_notice'){
                    var go_to = encodeURIComponent('https://www.books.com.tw/product_show/itemtracker_new/'+item+'?cart=from');
                    location.href = "https://cart.books.com.tw/member_activate/email_notice/?url="+go_to;
                }
                else if(window.B && B.alert)
                {
                     B.alert(data);
				}
                else
                {
                    $("#wishlist").html(data);
                    wishlistadd="T";
                }
            },
            error: function(data){
                alert(data);
            }
        });
    }
}

function CheckMemberLogin_page(itemurl) {
    var u_id = get_cookie("cid");
    var u_passwd = get_cookie("pd");
    if (u_id != null && u_passwd != null){
            location.href = itemurl;
    }else{
            location.href = "https://cart.books.com.tw/member/login?url="+itemurl;
    }
}

function pursue_item(item,ttype,itemurl){
    var now=new Date();
    var sec  = now.getTime().toString();
    $.ajax({ url: "/exep/list/pursue_info.php?item="+item+"&tag_type="+ttype+"&sec="+sec,type:"get", dataType:"html",
            success:function(msg){
                var msgtmp = msg.split("、");
                if(window.B && B.alert) {
                    if(msgtmp[0]==0){
                        B.alert('商品已加入您的下次再買清單，您可至會員專區中查詢！！');
                    }else if(msgtmp[0]=='overm'){
                        B.alert('您的下次再買清單中的品項已超過500筆，請清除後再加入。');
                    }else if(msgtmp[0]=='nologin'){
                       //CheckMemberLogin_page(itemurl); //直接跳轉登入畫面
                       B.alert('<a class="bt_alert gray mod_l" href="/load/view.php?a=aHR0cHM6Ly9jYXJ0LmJvb2tzLmNvbS50dy9tZW1iZXIvbG9naW4/dXJsPScraXRlbXVybCsn">請先登入會員。</a> <a class="bt_alert" href="/load/view.php?a=aHR0cHM6Ly9jYXJ0LmJvb2tzLmNvbS50dy9tZW1iZXIvam9pbl9zdGVwMQ">還不是會員?</a>');
                    }
                } else { //PC版
                    if(msgtmp[0]==0){
                        alert('商品已加入您的下次再買清單，您可至會員專區中查詢！！');
                    }else if(msgtmp[0]=='overm'){
                        alert('您的下次再買清單中的品項已超過500筆，請清除後再加入。');
                    }else if(msgtmp[0]=='nologin'){
                        CheckMemberLogin_page(itemurl);
                    }
                }
        }
    });
}

function freeget(item){
    $.ajax({
        url: '/receive_ebooks/get_book',
        async: false,
        data: {item:item},
        type: 'post',
        dataType: 'json',
        success: function(data){
            alert(data.message);
        },
        error: function (data, status, e){
            //alert(e);
            alert('領用失敗');
        }
    });
}

//免費領用JS
function freegetUnMultClick(item, device){
    document.getElementById("cartBuy").href="javascript:;"; 
    //location.href="/load/view.php?a=aHR0cDovL3d3dy5ib29rcy5jb20udHcvcmVjZWl2ZV9lYm9va3MvZnJlZWdldF9ib29rLw"+item;
    var freeget_pop_p1 = '<div class="u-overlay" id= "div_freeget_overlay" style="display:block;"></div><div class="u-pop-win pop-freeget" id="div_freeget_win" style="display:block;"><div class="u-pop-ctn"><div class="scroll-wrap"><div class="content">';
    var freeget_pop_p2 = '</div></div><div class="fbar" id="div_freeget_fbar">';
    var freeget_pop_p3 = '</div></div></div>';
    var buttonclass = 'bui-btn-03';
    var freeget_pop_m1 = '<!--免費領用--><div class="overlay" id= "div_freeget_overlay" style="display:block;opacity:1 z-index:99999999" id="alert_0"><div class="alert_win aligner-box" id="div_freeget_win"><!--book-free-win--><div class="book-free-win"><div class="winscroll" id="div_freeget_msg">';
    var freeget_pop_m2 = '</div><div class="button_wrap clearfix" id="div_freeget_fbar">';
    var freeget_pop_m3 = '</div></div><!--End book-free-win--></div></div><!--end 免費領用-->';
    var buttontext;
    var msgfeedback;
    var hideJS = "javascript:hideFreegetWin('"+item+"','"+device+"')";
    var str_login = '登入';
    var str_wait = '稍後再領';
    var str_gotoshelf = '前往電子書櫃';
    var str_website = '繼續瀏覽網站';
    var str_close = '關閉';

    //因搜尋頁亦需免費領用按鈕，故用跨域呼叫jsonp
    $.ajax({ url: "//www.books.com.tw/receive_ebooks/freeget_book",type:"get", dataType:"jsonp", jsonp: "item",jsonpCallback:item,
        success:function(msg){
            if (msg.code === '102') { //未登入
                var url = 'https://cart.books.com.tw/member/login?url='+encodeURIComponent('//www.books.com.tw/products/'+item);
                msgfeedback = '<p>'+msg.message+'</p>';
                if (device === 'M') {
                    buttontext = '<a href="'+url+'" class="button">'+str_login+'</a><a href="'+hideJS+'" class="button">'+str_wait+'</a>';
                    $("body").prepend(freeget_pop_m1 + msgfeedback + freeget_pop_m2 + buttontext + freeget_pop_m3);
                } else {
                   buttontext = '<a href="'+url+'"><strong class="'+buttonclass+'">'+str_login+'</strong></a><a href="'+hideJS+'"><strong class="'+buttonclass+'">'+str_wait+'</strong></a>';
                   $("body").prepend(freeget_pop_p1 + msgfeedback + freeget_pop_p2 + buttontext + freeget_pop_p3);
                }
            } else if (msg.code === '000') { //領用成功
                //feedback message like 'c_title領用完成'
                //'https://viewer-rev.books.com.tw/viewer/av/?book_uni_id=E070000365_audio_normal&cur_version=V001.0002'
                //'https://viewer-ebook.books.com.tw/viewer/index.html?readlist=all&MemberLogout=true';
                var url = msg.url + "/viewer/index.html?readlist=all&MemberLogout=true";
                msgfeedback = '<p><i class="icon-ok-1"></i>'+msg.message+'</p>';
                if (device === 'M') {
                    buttontext = '<a href="'+url+'" class="button">'+str_gotoshelf+'</a><a href="'+hideJS+'" class="button">'+str_website+'</a>';
                    $("body").prepend(freeget_pop_m1 + msgfeedback + freeget_pop_m2 + buttontext + freeget_pop_m3);
                } else {
                   buttontext = '<a href="'+url+'"><strong class="'+buttonclass+'">'+str_gotoshelf+'</strong></a><a href="'+hideJS+'"><strong class="'+buttonclass+'">'+str_website+'</strong></a>';
                   $("body").prepend(freeget_pop_p1 + msgfeedback + freeget_pop_p2 + buttontext + freeget_pop_p3);
                }
            } else {
                msgfeedback = '<p>'+msg.message+'</p>';
                if (device === 'M') { 
                    buttontext = '<a href="'+hideJS+'" class="button">'+str_close+'</a>';
                    $("body").prepend(freeget_pop_m1 + msgfeedback + freeget_pop_m2 + buttontext + freeget_pop_m3);
                } else {
                    buttontext = '<a href="'+hideJS+'"><strong class="'+buttonclass+'">'+str_close+'</strong></a>';
                    $("body").prepend(freeget_pop_p1 + msgfeedback + freeget_pop_p2 + buttontext + freeget_pop_p3);
                
                }
            }
        },
        error: function(xhr, ajaxOptions, thrownError){
            msgfeedback = '<p>免費商品領取未成功，請稍後再試或洽客服</p>';
            if (device === 'M') { 
                buttontext = '<a href="'+hideJS+'" class="button">'+str_close+'</a>';
                $("body").prepend(freeget_pop_m1 + msgfeedback + freeget_pop_m2 + buttontext + freeget_pop_m3);
            } else {
                buttontext = '<a href="'+hideJS+'"><strong class="'+buttonclass+'">'+str_close+'</strong></a>';
                $("body").prepend(freeget_pop_p1 + msgfeedback + freeget_pop_p2 + buttontext + freeget_pop_p3);
            }
        }
    });
}

function hideFreegetWin(item, device){
    document.getElementById("cartBuy").href="javascript:freegetUnMultClick('"+item+"','"+device+"')"; 
    $('#div_freeget_overlay').hide();
    $('#div_freeget_win').hide();
}

// 相片沖印：是否為快找APP瀏覽器，是則跳alert建議使用原生瀏覽器
function editPrint(gainhow, isInApp){
    if (isInApp) {
        alert('為了提供您更好的編輯服務體驗，建議您使用電腦網頁，或手機瀏覽器編輯。謝謝您的配合。');
    } else {
        location.href = gainhow;
    }
}

function select_set(){
    var sub_items = [];
        
    $("#selector_div ul li").each(function(i){
        var obj_select = "#selector"+(i+1);
        $(obj_select).each(function(){
                var opt_eq  = $(this).find(":selected").index(); //選中的index
                if($(obj_select+' option').eq(opt_eq).val()!=''){//有選擇商品
                    if($(obj_select+' option').eq(opt_eq).prop("disabled") == false){
                        var sel_combine = jQuery.parseJSON($(obj_select+' option').eq(opt_eq).val());
                        delete sel_combine.img_url;
                        delete sel_combine.srcset;
                        sub_items.push(sel_combine);
                    }
                }
        });
    });

    return sub_items;
}

//組合商品商品頁，購物車區塊按鈕click
//放入購物車/直接結帳 class = btn_cart
//可訂購時通知我 class = btn_notifytobuy
function clickCartBtn(item, device){
    if(device == "P"){
        var shoppcart_id = ".btn_shoppcart, #cartBuy"; //黃色按鈕(ex:放入購物車、可訂購時通知我等)
        var easycart_id = ".easycart";  //橘色按鈕(ex:直接結帳)
    } else {
        var shoppcart_id = "#cartBuy"; //黃色按鈕(ex:放入購物車、可訂購時通知我等)
        var easycart_id = ".easycart";  //橘色按鈕(ex:直接結帳)
    }
    
    //直接結帳
    if(typeof(easycart_id+" a")!="undefined"){
        $(easycart_id+" a").attr("href", "javascript:;");
    }
    //直接結帳
    if(device == "M" && typeof("a"+easycart_id)!="undefined"){
        $("a"+easycart_id).attr("href", "javascript:;");        
    }
    //加入下次再買清單
    if(device == "P"){
        $(".btn_shopplist").attr("href", "javascript:pursue_item('"+item+"','insert','https://www.books.com.tw/products/"+item+"');");
    } else {
        $(".button.btn_1").attr("href", "javascript:pursue_item('"+item+"','insert','https://www.books.com.tw/products/"+item+"');");
    }
    
    //可訂購時通知我 M:cartBuy、PC:btn_shoppcart
    var btn_shoppcart_href = $(shoppcart_id+', .type02_btn05').attr('href');
    if(typeof(btn_shoppcart_href)!="undefined" && btn_shoppcart_href.indexOf("wishlist") >= 0) {
        $(shoppcart_id).attr("href", "javascript:wishlist('"+item+"');");
    }
    
     $(shoppcart_id+", "+easycart_id+" a, a"+easycart_id).click(function() {
        var sub_items = [];
        var sel_prod_num = 0;
        var area_len = $("#selector_div ul li").length;

        sub_items = select_set();
        sel_prod_num = sub_items.length;
        if(sel_prod_num > 0){
            if(area_len == sel_prod_num){
                //直接購買
                var encode_sub_items = btoa(JSON.stringify(sub_items));
                var org_url = encodeURIComponent(location.href);
                $(easycart_id+" a, a"+easycart_id).attr("href", "https://db.books.com.tw/shopping/rcart.php?sub_items="+encode_sub_items+"&buy_flag=now&org_url="+org_url);

                //放入購物車
                if(typeof(btn_shoppcart_href)!="undefined" && btn_shoppcart_href.indexOf("wishlist") >= 0 ) { 
                    //可訂購時通知我
                } else {
                    var encode_sub_items = btoa(JSON.stringify(sub_items));
                    $(shoppcart_id).attr("href", "https://db.books.com.tw/shopping/rcart.php?sub_items="+encode_sub_items+"&org_url="+org_url);
                }
            } else{
                alert("請確認組合商品內容商品應選擇"+area_len+"項"); 
                return false;
            }
        } else {
            if(typeof(btn_shoppcart_href)!="undefined" && btn_shoppcart_href.indexOf("wishlist") >= 0 ) { 
                //可訂購時通知我
            } else {
                alert("請確認組合商品內容");
                return false;
            }
        }
        //console.log('最後放入購物車:'+sel_prod_num);
        //console.log(sub_items);
    });
}

//組合商品商品頁，組合商品內容區下拉選單change
function changeSetProdDropDownMenu(){      
    $("#selector_div ul li").each(function(i){
        var obj_select = "#selector"+(i+1);
        //只有1個商品選擇，mobile hidden沒作用改用jQuery控制
        /*if($(obj_select+' option').length<=2){
           $(obj_select).hide();
        }*/
        $(obj_select).change(function(opt) {
            //var sel_combine = jQuery.parseJSON($(obj_select+' option').eq(1).val());
            var sel_combine = '';
            var sel_img_url  = '';
            var sel_prod_url = '';
            var sel_sign_class = '';
            var opt_eq = this.selectedIndex;
            //selected opt
            //$(obj_select+' option').removeAttr('selected');
            //$(obj_select+' option').eq(opt_eq).attr("selected","selected"); //設定為選取
            //.attr與jQuery Moible有衝突所以要用下面
            //$(obj_select+' option').eq(opt_eq).prop("selected",true);
            
            var sel_val = $(obj_select+' option').eq(opt_eq).val();
            if(sel_val !== ''){
                sel_combine = jQuery.parseJSON(sel_val);
                sel_img_url = sel_combine.img_url;
                sel_srcset = sel_combine.srcset;
                sel_prod_url = "https://www.books.com.tw/products/"+sel_combine.item;
                //商品圖上壓上電子書/電子雜誌圖標
                $("#prod_img"+(i+1)+" #sign").remove();
                if(sel_sign_class == "" && sel_combine.item.substr(0,3) == "E05"){
                    $("#prod_img"+(i+1)).append("<span class='sign_ebook' id='sign' aria-label='電子書'></span>");
                } else if(sel_sign_class == "" && sel_combine.item.substr(0,3) == "E06"){
                    $("#prod_img"+(i+1)).append("<span class='sign_emag' id='sign' aria-label='電子雜誌'></span>");
                } else {}
            }
            
            //將圖片更換為選擇的的商品圖
            if(sel_img_url!=''){
                $("#prod_img"+(i+1)+" img").attr("src", sel_img_url);
                $("#prod_img"+(i+1)+" img").attr("srcset",sel_srcset);
                var sel_showpage = sel_combine.s_showpage;
                console.log(sel_showpage);
                if (sel_showpage === 'Y') {
                    $("#prod_img"+(i+1)).attr("target", '_blank');
                    $("#prod_img"+(i+1)).attr("href", sel_prod_url);
                } else {
                    $("#prod_img"+(i+1)).attr("target", '_self');
                    $("#prod_img"+(i+1)).attr("href", '');
                }
                
            }     
        });
            
    });
    reCountQty();
    antiEbookMultiSelect();
}

function reCountQty(){
    $("#selector_div ul li").each(function(i){
        var obj_select = "#selector"+(i+1);
        var prev = '';
        
        $(obj_select).change(function(opt) {
            var text = "(數量不足)";
            // 找有幾個區域
            var areas = $("#selector_div ul li .count b"); 
            var area_count = areas.length;
            
            var val = $(obj_select+' option').eq(this.selectedIndex).val();
            var selected = '';
            
            if (val !== '' && val !== undefined) {
                // 扣除當前所選之店內碼的 qty
                selected = JSON.parse(val);
                var item = selected.item;
                for (var j = 1; j <= area_count; j++) {
                    // 看其他區域有沒有一樣的店內碼
                    var selector_id = $("#selector"+item+j);
                    var tmp = selector_id.val();
                    if (tmp === '' || tmp === undefined) {
                        continue;
                    }
                    // 相同的店內碼庫存扣掉已被選擇的區域數量
                    var same = JSON.parse(tmp);
                    same.recount_qty = parseInt(same.recount_qty) - parseInt(areas[j-1].innerHTML);
                    selector_id.val(JSON.stringify(same));
                    
                    // 檢核是否庫存不足，要關閉選項
                    var condition1 = (j !== (i+1)); // 當前區域不用檢核
                    var condition2 = true;
                    var tmp2 = $("#selector"+j).val();
                    if (tmp2 !== '' && tmp2 !== undefined) {
                        var selector = JSON.parse(tmp2);
                        // 已選擇的下拉選單與當前店內碼相同，也不用檢核
                        condition2 = (selector.item !== item);
                    }
                    // 庫存量是否足夠
                    var condition3 = parseInt(same.recount_qty) < parseInt(areas[j-1].innerHTML);  
                    if (condition1 && condition2 && condition3) {
                        selector_id.attr('disabled', true);
                        selector_id.text(text + $("#selector"+item+j).text());
                    } else {
                        selector_id.attr('disabled', false);
                        selector_id.text($("#selector"+item+j).text().replace(text, ''));
                    }                    
                }
            }
            
            // 恢復前一個所選之店內碼的 qty
            if (prev !== '') {
                var item = prev.item;
                for (var j = 1; j <= area_count; j++) {
                    // 看其他區域有沒有一樣的店內碼
                    var selector_id = $("#selector"+item+j);
                    var tmp = selector_id.val();
                    if (tmp === '' || tmp === undefined) {
                        continue;
                    }
                    // 相同的店內碼庫存回加已被更換的區域數量
                    var same = JSON.parse(tmp);
                    same.recount_qty = parseInt(same.recount_qty) + parseInt(areas[j-1].innerHTML);
                    selector_id.val(JSON.stringify(same));
                    
                    // 檢核是否庫存不足，要關閉選項
                    var condition1 = (j !== (i+1)); // 當前區域不用檢核
                    var condition2 = true;
                    var tmp2 = $("#selector"+j).val();
                    if (tmp2 !== '' && tmp2 !== undefined) {
                        var selector = JSON.parse(tmp2);
                        // 已選擇的下拉選單與當前店內碼相同，也不用檢核
                        condition2 = (selector.item !== item);
                    }
                    // 庫存量是否足夠
                    var condition3 = parseInt(same.recount_qty) < parseInt(areas[j-1].innerHTML);  
                    if (condition1 && condition2 && condition3) {
                        selector_id.attr('disabled', true);
                        selector_id.text(text + $("#selector"+item+j).text());
                    } else {
                        selector_id.attr('disabled', false);
                        selector_id.text($("#selector"+item+j).text().replace(text, ''));
                    }                    
                }
            }
            
            prev = selected;
        });
            
    });
}

// 電子書雜只可購買一次，不同區域若有相同店內碼則 disable
function antiEbookMultiSelect(){
    $("#selector_div ul li").each(function(i){
        var obj_select = "#selector"+(i+1);
        var prev = '';
        
        $(obj_select).change(function() {
            // 找有幾個區域
            var areas = $("#selector_div ul li .count b"); 
            var area_count = areas.length;
            
            var val = $(obj_select+' option').eq(this.selectedIndex).val();
            var selected = '';
            
            if (val != '' && val !== undefined) {
                selected = JSON.parse(val);
                var item = selected.item; // 店內碼
                var cat = item.substring(0, 3); // 業種
                // 電子書雜才需要檢核
                if (cat !== 'E05' && cat !== 'E06') {
                    return;
                }
                
                for (var j = 1; j <= area_count; j++) {
                    // 看其他區域有沒有一樣的店內碼
                    var selector_id = $("#selector"+item+j);
                    var tmp = selector_id.val();
                    if (tmp === '' || tmp === undefined) {
                        continue;
                    }
                    var same = JSON.parse(tmp);
                    // 當前區域不用檢核
                    var condition1 = (j !== (i+1));
                    // 其他區域有一樣的店內碼不可再選
                    var condition2 = (same.item === item);
                    if (condition1 && condition2) {
                        selector_id.attr('disabled', true);
                    } else {
                        selector_id.attr('disabled', false);
                    }             
                }
            }
            
            if (prev != '') {
                var item = prev.item;
                for (var j = 1; j <= area_count; j++) {
                    // 看其他區域有沒有一樣的店內碼
                    var selector_id = $("#selector"+item+j);
                    var tmp = selector_id.val();
                    if (tmp === '' || tmp === undefined) {
                        continue;
                    }
                    var same = JSON.parse(tmp);
                    // 當前區域不用檢核
                    var condition1 = (j !== (i+1));
                    // 其他區域有一樣的店內碼恢復可選
                    var condition2 = (same.item === item);
                    if (condition1 && condition2) {
                        selector_id.attr('disabled', false);
                    }
                }
            }
            
            prev = selected;
        });
            
    });
}