(function( $ ) {

    var modNews = function(element, options){

        var settings = $.extend({}, $.fn.modNews.defaults, options);

        var vars = {
            pos:0,
            ajax:true,
            page:settings.page,
            lang:settings.lang,
            kier:'a',
            aPrev:null,
            aNext:null,
            divNewsTxt:null,
            isMobile:0,
            start:0,
            prevDir:'a',
            newsDiv:null
        };




        var init = function(){

            vars.divNewsTxt = $(element).find('.aktPromocjeText');
            vars.aPrev = $(element).find("a.n_prev");
            vars.aNext = $(element).find("a.n_next");


            $(vars.aNext).on('click',function(event){
                vars.kier = 'p';
                getData();
                event.preventDefault();
            })

            $(vars.aPrev).on('click',function(event){
                vars.kier = 'n';
                getData();
                event.preventDefault();
            })

        }

        var getData = function(){

            if(!vars.ajax) return false;
            vars.ajax = false;


            $.ajax({
                type     : "POST",
                url      : settings.fileAjax,
                dataType: "json",
                data     : {
                    lang:vars.lang,
                    page:vars.page,
                    k:vars.kier,
                    linkParent : settings.linkParent,
                    limit:settings.limit,
                    start:vars.start,
                    prevDir:vars.prevDir
                },
                success : function(msg) {

                    vars.page = msg.conf.page;

                    if(msg.conf.error == 0){
                        var divTresc = $('<div>');
                        divTresc.attr('id','idTmp');
                        divTresc.addClass('aktProm');
                        vars.start = 1;

                        dataNews = msg.data;
                        var i=0;

                        $(dataNews).each(function(){
                            var elThis = this;

                            var newsDiv = $('<div>');
                            newsDiv.addClass('newsDiv');
                            newsDiv.addClass('dn_'+(i%2));


                            var newsDivA = $('<span>');
                            newsDivA.addClass('newsDivA');
                           // newsDivA.attr('href',elThis.linkArt);


                            var zajawkaTytul = $('<span>');
                            zajawkaTytul.addClass('zajawkaTytul');

                            var zajawkaTytul2 = $('<span>');
                            zajawkaTytul2.addClass('zajawkaTytul2');

                            //-----image

                            if(this.image != null && this.image != ''){

                                var pImg = $('<a>');
                                pImg.addClass('imgP');
                                pImg.attr('href',elThis.linkArt);


                                var dateP = $('<span>');
                                dateP.addClass('dateP');

                                var data = $('<span>');
                                data.addClass('data');
                                data.text(this.data);

                                $(dateP).append(data);

                                var img = $('<img>');
                                $(img).attr('src',this.image);
                                $(img).attr('alt',this.title);


                                $(pImg).append(img);
                                $(pImg).append(dateP);
                                newsDivA.append(pImg);
                            }


                            //------data
                            /*
                            var topNews = $('<span>');
                            topNews.addClass('topNews');

                            var dateP = $('<span>');
                            $(dateP).addClass('dateP');


                            var spData = $('<span>');
                            $(spData).addClass('data');
                            $(spData).html(this.dateSp4);


                            $(dateP).append(spData);
                            topNews.append(dateP);
                            */

                            var tytZaj = $('<span>');
                            tytZaj.addClass('tytZaj');

                            //-----tytul

                            var pTitle = $('<span>');
                            $(pTitle).addClass('tytulNews');

                            var pTitle2 = $('<span>');
                            //$(pTitle2).html(this.title);

                            var aTitle = $('<a>');
                            aTitle.attr('href',elThis.linkArt);


                            aTitle.html(this.title);
                            $(pTitle2).append(aTitle);
                            $(pTitle).append(pTitle2);
                            $(tytZaj).append(pTitle);
                            //newsDivA.append(pTitle);

                            //-----zajawka

                            var pZajawka = $('<span>');
                            $(pZajawka).addClass('zajawkaNews');

                            var pZajawka2 = $('<span>');
                            $(pZajawka2).html(this.desc);

                            pZajawka.append(pZajawka2);
                            $(tytZaj).append(pZajawka);


                            //zajawkaTytul2.append(topNews);
                            zajawkaTytul2.append(tytZaj);

                            zajawkaTytul.append(zajawkaTytul2);
                            newsDivA.append(zajawkaTytul);

                            //----------link

                            var aLink = $('<span>');
                            $(aLink).addClass('moreSp');
                            $(aLink).text(settings.wiecej);

                            aLink.on('click',function(){
                                window.location = elThis.linkArt;
                            })

                            newsDivA.append(aLink);



                            newsDiv.append(newsDivA);

                            divTresc.append(newsDiv);

                            i++;
                        })

                        $(vars.divNewsTxt).append(divTresc);
                        hashChangeA();

                    }
                    vars.prevDir = vars.kier;
                    vars.kier = 'a';

                },
                complete : function(r) {

                },
                error:    function(error) {

                }
            });

        }

        var hashChangeA = function(){

            var v = getViewport();
            resetLi();

        }

        var resetLi = function(){

            var slideIn = 'slideInLeftNews';
            var slideOut = 'fadeOutRightNews';


            if(vars.kier == 'p'){
                var slideIn = 'slideInRightNews';
                var slideOut = 'fadeOutLeftNews';
            }


            $('#aktProm').addClass('animated1 '+slideOut);
            $('#idTmp').addClass('animated2 '+slideIn);

            //var divSelHeight = $('#idTmp').outerHeight(true);
            //$(vars.divNewsTxt).css('height',divSelHeight+'px');



            $('.aktPromocjeText').one('webkitAnimationEnd oanimationend msAnimationEnd animationend',
                function(e) {

                    $('.aktPromocjeText').off('webkitAnimationEnd oanimationend msAnimationEnd animationend');


                    $('#aktProm').remove();
                    $('#idTmp').removeClass('animated2 '+slideIn);
                    $('#idTmp').attr('id','aktProm');
                    $('#aktProm').css('opacity',1);


                    var divSelHeight = $('#aktProm').outerHeight(true);
                    $(vars.divNewsTxt).css('height',divSelHeight+'px');

                    $(vars.aPrev).blur();
                    $(vars.aNext).blur();

                    vars.ajax = true;

                });




        }

        init();



            $(window).on('load',function(){


            $(window).on('resize', function(){

                var screen_width = screen.width;


                //console.log(vars.newsDiv.eq(0).width());
                //console.log(vars.newsDiv.eq(0).parent().width());
                vars.newsDiv = vars.divNewsTxt.find('.newsDiv');
                let parentWidth = parseInt(vars.newsDiv.eq(0).parent().width());
                let divWidth = parseInt(vars.newsDiv.eq(0).width());

                let limit = parseInt(Math.floor(vars.newsDiv.eq(0).parent().width()/vars.newsDiv.eq(0).width()));



                if(settings.countNews<=limit){
                    vars.aNext.parent().addClass('noShowArrow');
                }
                else{
                    vars.aNext.parent().removeClass('noShowArrow');
                }

                if(settings.limit != limit && settings.countNews > limit){
                    settings.limit = limit;
                    vars.page = 0;
                    $(vars.aNext).trigger('click');
                }

                //vars.page = 0;
                //console.log(Math.floor(vars.newsDiv.eq(0).parent().width()/vars.newsDiv.eq(0).width()));

                //console.log(vars.isMobile);

                /*
            if(screen_width<1960 && screen_width>=1560 && settings.limit != 3){
                vars.ajax = true;
                settings.limit = 3;
                vars.page = settings.countNews -1;
                $(vars.aNext).trigger('click');
            }
            else if(screen_width<1560 && screen_width>=970 && settings.limit != 2){
                vars.ajax = true;
                settings.limit = 2;
                vars.page = settings.countNews -1;
                $(vars.aNext).trigger('click');

            }
            else if(screen_width<970 && settings.limit != 1){
                vars.ajax = true;
                settings.limit = 1;
                vars.page = settings.countNews -1;
                $(vars.aNext).trigger('click');

            }
            */

            }).trigger('resize');
        });



        return this;
    };


    $.fn.modNews = function(options) {

        return this.each(function(key, value){
            var element = $(this);
            if (element.data('mod_n')) return element.data('mod_n');
            var mod_n = new modNews(this, options);
            element.data('mod_n', mod_n);
        });

    };

    $.fn.modNews.defaults = {
        fileAjax: '',
        linkParent : '',
        lang : 'pl',
        page:3,
        limit:1
    }

})( jQuery );