// JavaScript source code

// Piter Gavrinev 31.03.2021 Reginfo_v2.js version (v2.0)
//ref "~/js/moment-with-locales.min.js"
//ref = "~/js/AICPrototypeControlsLib.js";


//const RegCodes = 'EK,XA';

//var Parts = [
//    { Name: "1", Title: "Новости", EngTitle: "News", urlPrefix: "/press/regevent/" },
//    { Name: "2", Title: "Материалы по инфляции", EngTitle: "Inflation documents", urlPrefix: "/press/reginfl/" }
//];


// intenal

const _DatesSource = "/Queries/AjaxDataSource/116158";
const _EventSourceURL = "/Queries/AjaxDataSource/116159";



//const _imagePath = "/Queries/XsltBlock/File/115943/";


let _PageLoadding = false;
let _PageSize = 10;
let from_date_val = '';
let to_date_val = '';
let last_big = true;



let pageCounter = 0;

let tab_id;
let IsEng = 0;
let News_last_day;
let DatesControl;
let CurrentSearch = '';
let urlPrefix;


$(function () {

    CreateMainPoint();
});



function RestartTab() {
   
    from_date_val = '';
    to_date_val = '';

  

    LoadTab(from_date_val, to_date_val, true);
    AjustDates();

    $.cookie("SelectedTab", tab_id, {
        expires: 1
    });

}





function CreateMainPoint() {

    urlPrefix = Parts[0].urlPrefix;
    tab_id = Parts[0].Name;

    const lang = $("meta[name='zoom:lang']").attr("content");
    moment.locale(lang);

    IsEng = 0;
    if (lang === 'en') {
        IsEng = 1;
    }


    const rootPoint = $("#mainPoint");

    const rp = $("<div class=\"tabs_filters display-block\" data-open-filter=\"true\" />");
    

    rootPoint.append(rp);


    const search_subblock = div("mb-16 mt-40");

    var searchTextControl = new AIC_SearchTextField(IsEng, "Поиск по новостям");
    searchTextControl.click(function (text_fnd) {
        CurrentSearch = text_fnd;
        RestartTab();
    });
    searchTextControl.AppendTo(search_subblock);

    rp.append(search_subblock);

    const frm = $("<form class=\"filters\"/>");
    rp.append(frm);

    const df = div("", "DatesFilterRange");
    frm.append(df);


    const div_d = $("<div data-tabs-content=\"1\" role=\"tabpanel\" id=\"tab-content-4-1\" aria-labelledby=\"tab-4-1\" />");
    const news_page_row = div("news-speeches_wrap");

    const content = div("", "events_tab1");
    news_page_row.append(content);
    div_d.append(news_page_row);
    rootPoint.append(div_d);
      

    rp.trigger('new-html');


    if (!AutoTabSelect()) {
        LoadTab('', '', false);
        AjustDates();
    }





}

function AutoTabSelect() {

    if ($.cookie("SelectedTab") !== undefined) {
        const tabidSelect = $.cookie("SelectedTab");

        const tabObj = $("a[data-tabs-tab='" + tabidSelect + "']");
        if (tabObj.length !== 0) {
            tab_id = tabidSelect;
            tabObj.click();
            return true;
        }
    }
    return false;
}


function AjustDates() {

    $.ajax({
        url: _DatesSource,
        data: { Type: tab_id, RegCodes: RegCodes },
        cache: false
    }).done(function (data) {

        from_date_val = data[0].DTMin;
        to_date_val = data[0].DTMax;

        const pu = $(".page-info_last-update");
        if (pu.length !== 0) {
            pu.text(IsEng ? "Last updated on: " + moment(to_date_val).format("DD/MM/YYYY") : "Последнее обновление страницы: " + moment(to_date_val).format("DD.MM.YYYY"));
        }

        DatesControl = new AIC_TwoDateControlEXT(IsEng);
        const dateRangeObj = $("#DatesFilterRange");
        dateRangeObj.empty();
        DatesControl.AppendTo(dateRangeObj);
        DatesControl.SetDatesRange(from_date_val, to_date_val);


        DatesControl.click(function (fdate, tdate) {

            if (fdate !== null && tdate !== null) {
                from_date_val = fdate;
                to_date_val = tdate;
                LoadTab(from_date_val, to_date_val, true);
            } else {
                from_date_val = '';
                to_date_val = '';
                LoadTab(from_date_val, to_date_val, true);
            }


        });

    });

}


function LoadTab(dateFrom, dateTo, reset) {

    const lang = $("meta[name='zoom:lang']").attr("content");
    moment.locale(lang);

    pageCounter = 0;

    let loadPageText = 'Загрузить еще';
    IsEng = 0;
    if (lang === 'en') {
        loadPageText = 'Load more';
        IsEng = 1;
    }

    const idiv = $("#events_tab1"); // contend div
    const vrap = idiv.parent();
    if (vrap.children(".more-button").length > 0 && reset === false) return;
    idiv.empty();

    if (reset) {
        News_last_day = null;
    }

    if (vrap.children(".more-button").length === 0) {
        const nexButton = $('<button id="_buttonLoadNextEvt" class="more-button _small  _loading" >' + loadPageText + '</button>');
        vrap.append(nexButton);

        nexButton.click(function () {
            if (_PageLoadding) return;
            _PageLoadding = true;
            pageCounter++;

            EPLoadPage(idiv, pageCounter, IsEng, tab_id, from_date_val, to_date_val);

        });
    }


    EPLoadPage(idiv, 0, IsEng, tab_id, dateFrom, dateTo);

}


function EPLoadPage(idiv, page, IsEng, tab_id, dateFrom, dateTo) {
    const nexButton = idiv.parent().children(".more-button");
    nexButton.addClass("_loading");

    $.ajax({
        url: _EventSourceURL,
        data: {
            page: page,
            Type: tab_id,
            dateFrom: dateFrom,
            dateTo: dateTo,
            RegCodes: RegCodes,
            SearchStr: CurrentSearch,
            pageSize: _PageSize
        },
        cache: false
    }).done(function (data) {

        _PageLoadding = false;
        nexButton.removeClass("_loading");

        if (data.length !== _PageSize) {
            nexButton.hide();
        } else {
            nexButton.show();
        }

       


        $.each(data, function (index, k) {                      
            
            idiv.append(MakeEventRow(k));     

        });
        idiv.trigger('new-html');

       // $("#mainPoint").trigger('new-html');

    }).fail(function () {
        alert("Error load data");
        _PageLoadding = false;

    });
}





function MakeEventRow(k) {


    let dtm = moment(k.DT).format("DD MMMM YYYY");
    if (moment(k.DT).format("DD.MM.YYYY") === moment().format("DD.MM.YYYY")) {
        dtm = IsEng === 1 ? "Today" : "Сегодня";
    }
    //let tpName = decodeType(k.TBLType, IsEng);

    let _link;

    _link = urlPrefix + '?id=' + k.id;

    _link = (IsEng ? '/eng' + _link : _link);

    //let press_root = $('<div class="news _in-feed col-md-17 ' + (k.Video === 1 ? '_with-video' : '') + (IsImportantRow ? ' _big' : '') + '"></div>');
    let press_root = $('<div class="news _in-feed col-md-17 ' + (k.Video === 1 ? '_with-video' : '') + '"></div>');
    let bkgimg = '';

   

    const news_inner = $('<div class="news_inner"  ' + bkgimg + '></div>');

    const rtp = $('<div class="news_text"></div>');

    //rtp.append($('<div class="news_info"><div class= "news_date"> ' + dtm + '</div><div class="news_category">' + tpName + '</div></div>'));
    rtp.append($('<div class="news_info"><div class= "news_date"> ' + dtm + '</div><div class="news_category"></div></div>'));
    rtp.append($('<a class="news_title" href="' + _link + '">' + k.Title + '</a>'));
    //if (k.RegionName !== null) rtp.append($("<div class=\"home-previews_item-source\">" + k.RegionName + "</div>"));
    news_inner.append(rtp);

    if (k.ImageId > 0) {
        news_inner.append('<a target="_blank" href="' + _link + '" class="col-md-5 offset-md-1 news_image"><img src="' + _imagePath + k.ImageId + '" alt=""></a>');
    }


    // }


    press_root.append(news_inner);
    return press_root;
}