/**
 * /script/main.js
 * @version 1.4
 * @desc Main javascript file
 * @author Fándly Gergő Zoltán (fandlygergo@gmail.hu, systemtest.tk)
 * @copy 2017 Fándly Gergő Zoltán
 * License:
    Result Manager for managing results of students in bilingual school systems.
    Copyright (C) 2017  Fándly Gergő Zoltán

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 **/

var Site="";

function disposeMessageOverlay(){
    $("#messageOverlay").html("");
    $("#messageOverlay").fadeOut();
}

function showMessage(html){
    $("#messageOverlay").html(html);
    $("#messageOverlay").fadeIn();
    setTimeout(function(){
        disposeMessageOverlay()
    }, 5000);
}

function loadMessages(){
    $.ajax({
        url: "./subs/msg.php",
        type: "GET",
        success: function(response){
            if(response!=""){
                showMessage(response);
            }
        }
    });
}

function smoothScroll(selector){
    $('html, body').stop().animate({
        scrollTop: $(selector).offset().top
    }, 500);
}

function goTo(site, pop=false){
    Site=site;
    //slide up
    $("#content").slideUp(function(){
        //load part
        $.ajax({
            url: "./subs/loader.php",
            type: "GET",
            data: {"load": site},
            success: function(response){
                $("#content").html(response);
                if(!pop){
                    window.history.pushState({"site": site}, null, "./"+site);
                }
            },
            complete: function(){
                $("#content").slideDown(function(){
                    //load script
                    $.getScript("./script/js.php?load="+site);
                    //prepare site
                    prepareSite();
                });
            }
        });
    });
}

function prepareSite(){
    //smooth scroll
    $('a[href^="#"]').on('click', function(event) {
        var target = $(this.getAttribute('href'));
        if( target.length ) {
            event.preventDefault();
            $('html, body').stop().animate({
                scrollTop: target.offset().top
            }, 500);
        }
    });
    
    //disable ajax forms submit
    $(".ajaxform").submit(function(e){
        e.preventDefault(); //prevent classic submit
    });
}

function toggleDropdown(content, img){
    if($(content).css("display")=="none"){
        $(content).slideDown();
        $(img).attr("src", "./res/minus.png");
    }
    else{
        $(content).slideUp();
        $(img).attr("src", "./res/plus.png");
    }
}

function footableRemoveElem(elem){
    //delete from table
    var button=$(elem);
    var current=button.parents("tr:first");
    var remove;
    //if we in the detail row or not
    if(current.hasClass("footable-detail-row")){
        //get the previous row and add it with the current row to be removed later
        remove = current.add(current.prev());
    }
    else{
        //get the next row after the current row and check if it's a detail row
        var next = current.next();
        //if the next row is a detail row or not
        if (next.hasClass("footable-detail-row")){
            //get the next row and add it with the current row to be removed later
            remove = current.add(next);
        }
        else{
            //we can't find a detail row so just remove the current row later
            remove = current;
        }
    }
    
    remove.fadeOut(function(){
        remove.remove();
    });
}

function search(field, list){
    $(list).children("li").each(function(){
        if($(this).children("label").text().toLowerCase().indexOf($(field).val().toLowerCase())!=-1){
            $(this).css("display", "block");
        }
        else{
            $(this).css("display", "none");
        }
    });
}

function toggleRequiredFormElement(container, to=-1){
    if(to==-1){
        if($(container).css("display")=="none"){
            $(container).children("input").attr("required", true);
            $(container).slideDown();
        }
        else{
            $(container).slideUp();
            $(container).children("input").attr("required", false);
        }
    }
    else{
        if(to==1){
            $(container).children("input").attr("required", true);
            $(container).slideDown();
        }
        else{
            $(container).slideUp();
            $(container).children("input").attr("required", false);
        }
    }
}

/*
 * RUN
 */
jQuery(function($){
    //get correct site
    Site=window.location.pathname.substring(window.location.pathname.lastIndexOf("/")+1);
    $.getScript("./script/js.php?load="+Site);
    prepareSite();
    
    //ajax loading functions
    $(document).ajaxStart(function(){
        $("#loadingOverlay").css("display", "block");
    });
    $(document).ajaxComplete(function(){
        $("#loadingOverlay").css("display", "none");
    });
    
    //go back in history
    window.addEventListener("popstate", function(e){
        if(e.state!=null){
            goTo(e.state["site"], true);
        }
        else{
            goTo("", true);
        }
    });
});