// Copyright 2016-2017 Sudnitsyna Anna lessmore.pw
// Copyright 2017 Denis Zheleztsov lessmore.pw
// Licensed under GPLv3
var html = '';
var options = '';
var checks = '';
var echo = '';
var author = '';
var this_page = 1;
var show_rows = 5;
var from = 0;
var thread = '';

//var date = new Date(new Date().getTime() + 60 * 1000);
var date = new Date;
date.setDate(date.getDate() + 7);
var echo = Cookies.get('echo');
console.log(echo);

hash  = parseLocationHash();
if (hash.matched) {
    console.log("We are here");
    requestMessage(hash.hash);
}

// Add checker to menu
function makeMenu() {
    if (checkViewMode()) {
        $("#dropdown-content").html( 
            `<a style="text-decoration:none !important;" href="javascript:void(0)">Threads mode <label class="switch">
            <input id="threadsCheckbox" type="checkbox" onclick="toggleViewMode()" checked>
            <span class="slider round"></span>
          </label>
        </a>
        <a href="filter.html">Настроить фильтр</a>
        <a href="" onclick="clearFilter()">Сбросить фильтр</a>
        <a href="lessmorefaq.html">FAQ</a>
        <a href="stats.html">Статистика</a>`);
    } else {
        $("#dropdown-content").html( 
            `<a style="text-decoration:none !important;" href="javascript:void(0)">Threads mode <label class="switch">
            <input id="threadsCheckbox" type="checkbox" onclick="toggleViewMode()">
            <span class="slider round"></span>
          </label>
        </a>
        <a href="filter.html">Настроить фильтр</a>
        <a href="" onclick="clearFilter()">Сбросить фильтр</a>
        <a href="lessmorefaq.html">FAQ</a>
        <a href="stats.html">Статистика</a>`);
    }
}

$(function() {

    makeMenu();
    //extentions
    $.ajax({
        url:"https://dynamic.lessmore.pw/idec/x/features",
        success:function(data) {
            $("#extentions").html("<b>" + data.replace("\n","<br>") + "</b>");
        }
    })
    
    //initial load
    if (echo != '') {
        requestEcho();
    } else {
        requestEmptyEcho();
    }
    
    //create echoes list  
    $.ajax({
        url: "https://dynamic.lessmore.pw/search",
        type: "POST",
        data: '{"sort": [{ "date":   { "order": "desc" }}, { "_score": { "order": "desc" }}],"aggs": {"my_fields": {  "terms": { "field": "echo","size": 1000}}}}}',
        contentType: "application/json",
        success: function(messages) {
            var select = '';
            for (i in messages['aggregations']['my_fields']['buckets']) {
                var msg = messages['aggregations']['my_fields']['buckets'][i]['key'];
                var doc_count = messages['aggregations']['my_fields']['buckets'][i]['doc_count'];

                select += '<option value="' + msg + '">'  + msg   + " (<b>" + doc_count + "</b>)</option>";

                msg_test = msg + " ";
                echo_test = echo + " ";
                if((echo_test).indexOf(msg_test) > -1 && echo != '') {
                    options += '<option value="' + msg + '" selected>'  + msg   + " (<b>" + doc_count + "</b>)</option>";            
                    checks += '<span class="row"><input type="checkbox" class="echoes"  name="ec" value="' + msg  + '" checked><label>' 
                        + msg
                        + '</label> <span style="color:#838784">('+ doc_count 
                        + ')</span><br></span>';
                } else { 
                    options += '<option value="' + msg + '" >'	+ msg 	+ " (<b>" + doc_count + "</b>)</option>";
                    checks += '<span class="row"><input type="checkbox" class="echoes"  name="ec" value="' + msg  + '"><label>'
                        + msg
                        + '</label> <span style="color:#838784">('+ doc_count
                        + ')</span><br></span>';
                }
            }

            $('#echoSelected').html("Выбранные эхи: " + Cookies.get("echo"));
            $('#echoSelector').html(options);
            $('#echoCheckBox').html(checks);
            // $('#echoSelect').html(select);
            $('select').multipleSelect();
        }
        
    })
    
    $('.echoes:checked').each(function() {
        echo = '';
        echo += $(this).val()[i] + " ";
    });

    var boxes = $("input[type=checkbox]");

    $("#echoCheckBox").on('change', function() {
        echo = '';
        for (var i=0; i<$("input[type=checkbox]:checked").length; i++) {
            echo += $("input[type=checkbox]:checked")[i]["defaultValue"] + " ";}
        Cookies.set("echo", echo, {expires: 7});
        $('#echoSelected').html("Выбранные эхи: " + echo);
    });

    $('#echoSelector').on('change', function() {
        if (!hash.matched) {
            echo = ''; 
            html = '';
            for (i in $(this).val()) {
                echo += $(this).val()[i] + " ";
                console.log($(this).val()[i]);
            }
            Cookies.set("echo", echo, {expires: 7});
            requestEcho();
            $('#echoSelected').html("Выбранные эхи: " + echo)

            if (echo == "") requestEmptyEcho();
        }
    });

    $('#searchInput').on('change', function() {
        text = $(this).val();
        simpleTextSearch(text);
    })
    
    //scroll to show more messages
    $(window).scroll(function() {
        hash  = parseLocationHash();
        // console.log($(document).height() - $(window).height()-$(window).scrollTop());
        if ($(document).height() - $(window).height() - $(window).scrollTop() < 1.5 && !hash.matched) {
            showMore(); 
            //console.log($(document).height() - $(window).height() - $(window).scrollTop());
        }
    });
}) //end of .ready() method


// Main AJAX function
function ajaxRequest(data) {
    $.ajax({
        url:"https://dynamic.lessmore.pw/search",
        type:"POST",
        data: data,
        contentType: "application/json",
        success: function(messages) {
            callback(messages);
            $("#mes").html(html);
        }
    })
}

function requestEmptyEcho() {
    var data =  '{"sort": [{"date": {"order": "desc"}}, {"_score": {"order": "desc" }}], "size": 5}';
    ajaxRequest(data);
}

function requestEcho() {
    var data = '';
    if (checkViewMode()) {
        var echoes = '(';
        for (e in echo.split(" ")) {
            if (echo.split(" ")[e] != "") {
                echoes += "echo:" + echo.split(" ")[e];
            }
            if (e < echo.split(" ").length - 2) {
                echoes += " OR ";
            }
        }
        echoes += ')';
        data = '{"sort": [{"date": {"order": "desc"}}, {"_score": { "order": "desc" }}], "query": {"bool": { "must": [ { "query_string" : {"fields": ["echo", "repto"], "query": "' + echoes +' AND repto.keyword:\\"\\""}}]}}, "size":5}';
    } else {
        data = '{"sort": [{"date": {"order": "desc"}}, {"_score": { "order": "desc" }}], "query": {"query_string" : {"fields": ["echo"], "query": "' + echo + '"}}, "size":' + 5 + '}';
    }
    ajaxRequest(data);
}

function requestTmpEcho(e) {
    echo = e;
    html = '';
    var data = '{"sort": [{"date": {"order": "desc"}}, {"_score": { "order": "desc" }}], "query": {"query_string" : {"fields": ["echo"], "query": "' + echo + '"}}, "size":' + 5 + '}';
    ajaxRequest(data);
}

function requestEmptyEchoOffset() {
    var data = '';
    if (checkViewMode()) {
        data = '{"sort": [{"date": {"order": "desc"}}, {"_score": { "order": "desc" }}], "query": { "query_string" : {"fields": ["repto"], "query": "repto.keyword:\\"\\""}}, "size":' + show_rows + ', "from":' + from + '}';
    } else {
        data = '{"sort": [ { "date":   { "order": "desc" }}, { "_score": { "order": "desc" }}],"size":'+ show_rows + ', "from":'+ from + '}';
    }
    ajaxRequest(data);
}


function requestEchoOffset() {
    var data = '';
    if (checkViewMode()) {
        var echoes = '(';
        for (e in echo.split(" ")) {
            if (echo.split(" ")[e] != "") {
                echoes += "echo:" + echo.split(" ")[e];
            }
            if (e < echo.split(" ").length - 2) {
                echoes += " OR ";
            }
        }
        echoes += ')';
        data = '{"sort": [{"date": {"order": "desc"}}, {"_score": { "order": "desc" }}], "query": {"bool": { "must": [ { "query_string" : {"fields": ["echo", "repto"], "query": "' + echoes +' AND repto.keyword:\\"\\""}}]}}, "size":' + show_rows + ', "from":' + from + '}';
    } else {
        data = '{"sort": [{"date": {"order": "desc"}}, {"_score": { "order": "desc" }}], "query": {"query_string" : {"fields": ["echo"], "query": "' + echo + '"}}, "size":' + show_rows + ', "from":' + from + '}';
    }
    ajaxRequest(data);
}

function requestAuthorOffset() {
    var data = '{"sort": [ { "date":   { "order": "desc" }}, { "_score": { "order": "desc" }}], "query": {"query_string" : {"fields" : ["author"], "query" :"' + author + '"}}, "size":'+ show_rows + ', "from":'+ from + '}';
    echo = '';
    console.log("Author offset");
    ajaxRequest(data);
}

function requestAuthorMessages(_author) {
    author = _author;
    var data = '{"sort": [ { "date":   { "order": "desc" }}, { "_score": { "order": "desc" }}], "query": {"query_string" : {"fields" : ["author"], "query" :"' + author + '"}}, "size": 5 }';
    html = '';
    echo = '';
    console.log(author);
    console.log(data);
    ajaxRequest(data);
}

function requestMessage(msgid) {
    var data = '{"sort": [ { "date":   { "order": "desc" }}, { "_score": { "order": "desc" }}], "query": {"query_string" : {"fields" : ["msgid"], "query" :"' + msgid + '"}}, "size": 5 }';
    console.log("Link to message: " + msgid);
    html = '';
    echo = '';
    author = '';
    ajaxRequest(data);
}

// Search functions
// ----------------
function simpleTextSearch(text) {
    var data = '{"sort": [{"date": {"order": "desc"}},{"_score": {"order": "desc"}}],"query": {"query_string": {"query": "' + text + '"}},"size": 25,"highlight" : {"fields" : {"message": { "fragment_size" : 150,  "number_of_fragments" : 3, "pre_tags" : ["<font color=\\"red\\">"], "post_tags" : ["</font>"], "highlight_query": { "bool": { "must": { "match": { "message": {"query": "' + text + '"} } } } } }}} }';
    console.log(data);
    html = '';
    echo = '';
    author = '';
    searchRequest(data);
}

function searchRequest(data) {
    $.ajax({
        url:"https://dynamic.lessmore.pw/search",
        type:"POST",
        data: data,
        contentType: "application/json",
        success:function(messages){
            callbackHS(messages);
            $("#mes").html(html);
        }
    })
}

function answersRequest(msgid) {
    $.ajax({
        url:"https://dynamic.lessmore.pw/search",
        type:"POST",
        data: '{"sort": [ { "date":   { "order": "desc" }}, { "_score": { "order": "desc" }}], "query": {"query_string" : {"fields" : ["msgid"], "query" :"' + msgid + '"}}, "size": 0 }',
        contentType: "application/json",
        success: function(messages){
            answers[msgid] = messages["hits"]["total"];
        }
    })
}

//show messages
function callbackHS(messages) {
    var msgArray = messages["hits"]["hits"];
    // console.log(msgArray);

    for (hit in msgArray) {
        hash = parseLocationHash();
        var msgItem = msgArray[hit]['_source'];
        var t = new Date(msgItem['date'] * 1000);
        var msg = '';

        if (hash.matched && msgItem['msgid'] == hash.hash) {
            // // commentnsole.log(msgArray.length);
            html += '<div class="hsMessage">';
        }
        
        // console.log(msgItem['date']);
        // console.log(t);
        var t_formatted = t.getFullYear() + "/" + (t.getMonth() + 1) + "/" + t.getDate() + " " + t.getHours() + ":" + t.getMinutes() + ":" + t.getSeconds();
        
        // msg = msgItem['message'].replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;').replace(new RegExp("\n",'g'), "<br>\n");
        if ('highlight' in msgArray[hit]) {
            msg = msgArray[hit]['highlight']['message'][0].replace(/&/g, '&amp;').replace(/"/g, '&quot;').replace(new RegExp("\n",'g'), "<br>\n") + '...';
        } else {
            msg = msgItem['message'].replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;').replace(new RegExp("\n",'g'), "<br>\n");
        }
        console.log(msg);

        var to = 
            html += '<div class="msg">'
            + '<p align="left"><i class="fa fa-hourglass-half"></i> ' + t_formatted + '<i class="fa fa-angle-right"></i> <!--/p-->'

        // Author to receiver
            + '<a style="text-decoration:underline; text-decoration-style:dotted;" title="' + msgItem["address"] + '" "href="javascript:void(0)" onclick="requestAuthorMessages(\'' + msgItem['author'] + '\');">' + msgItem['author'] + '</a>'
            + ' <i class="fa fa-mail-forward"></i> ';

        if (msgItem['repto'] != "" ) {
            html += '<a href="/?' + msgItem['repto'] + '">' + msgItem['to'] + '</a></p>';
        } else {
            html += msgItem['to'] + '</p>';
        }

        // Header
            html += ' <p style="color:#0099cc;font: 1.5em Open Sans, sans-serif;">'
            + '<a class="headerLink" href="/?j=' + msgItem['msgid'] + '">'
            + msgItem['subg'] + '</a>'
            + ' <i class="fa fa-at"></i> <i><a class="headerLink" href="javascript:void(0)" onclick="requestTmpEcho(\'' + msgItem['echo'] + '\')">' + msgItem['echo']
            + '</a></i></p></p>'
            + '<p>' + msg.autoLink()
            + '</p><p align="right">'

        // Msgid
            + '<a href="?' + msgItem['msgid'] +'" onclick="requestMessage(\'' + msgItem['msgid'] + '\');"><i class="fa fa-link"></i>' + msgItem['msgid'] + '</a></p></div>';

        if (hash.matched && msgItem['msgid'] == hash.hash) {
            html += '</div>';
        }
    }
}

function threadMessage(msgItem) {
    $.ajax({
        url:"https://dynamic.lessmore.pw/search",
        type:"POST",
        data: '{"sort": [ { "date":   { "order": "desc" }}, { "_score": { "order": "desc" }}], "query": {"query_string" : {"fields" : ["repto"], "query": "' + msgItem["_source"]["msgid"] + '"}}, "size": 0 }',
        contentType: "application/json",
        success: function(answer) {
            total = 0;
            total = answer["hits"]["total"];
            msgItem["total"] = total;
            threadsCallback(false, msgItem);
            $("#mes").html(html);
        }
    })
}

//show messages
function threadsCallback(messages) {
    var getAnswers = function(msgItem, callback) {
        $.when(
        $.ajax({
            url:"https://dynamic.lessmore.pw/search",
            type:"POST",
            data: '{"sort": [ { "date":   { "order": "desc" }}, { "_score": { "order": "desc" }}], "query": {"query_string" : {"fields" : ["repto"], "query": "' + msgItem["_source"]["msgid"] + '"}}, "size": 0 }',
            contentType: "application/json",
            success: function(answer) { callback(answer, msgItem); }
        })).then(function(data) {
            console.log(data);
        })
    };

    var getTotal = function(answer, msgItem) {
        var total = answer["hits"]["total"];
        msg = makeThreadMessage(msgItem["_source"], total);
        console.log(msgItem["_source"]["msgid"])
        Cookies.set(msgItem["_source"]["msgid"], total);
    };
   
    var msgArray = messages["hits"]["hits"];
    for (hit in msgArray) {
        getAnswers(msgArray[hit], getTotal);
    }

    for (hit in msgArray) {
        count = Cookies.get(msgArray[hit]["_source"]["msgid"]);
        msg = makeThreadMessage(msgArray[hit]["_source"], count);
        html += msg;
    }
}

//show messages
function callback(messages) {
    var msgArray = messages["hits"]["hits"];

    // if (checkViewMode() && !parseLocation().matched) {
    //     threadsCallback(messages);
    //     return;
    // }
    
    for (hit in msgArray) {
        hash = parseLocationHash();
        var msgItem = msgArray[hit]['_source'];
        var t = new Date(msgItem['date'] * 1000);
        // console.log(msgItem['date']);
        // console.log(t);
        var t_formatted = t.getFullYear() + "/" + (t.getMonth() + 1) + "/" + t.getDate() + " " + t.getHours() + ":" + t.getMinutes() + ":" + t.getSeconds();

        if (hash.matched && msgItem['msgid'] == hash.hash) {
            html += '<div class="hsMessage">';
        }
        
        msg = msgItem['message'].replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;').replace(new RegExp("\n",'g'), "<br>\n");

        var to = 
            html += '<div class="msg">'
            + '<p align="left"><i class="fa fa-hourglass-half"></i> ' + t_formatted + '<i class="fa fa-angle-right"></i> <!--/p-->'

        // Author to receiver
            + '<a style="text-decoration:underline; text-decoration-style:dotted;" title="' + msgItem["address"] + '" "href="javascript:void(0)" onclick="requestAuthorMessages(\'' + msgItem['author'] + '\');">' + msgItem['author'] + '</a>'
            + ' <i class="fa fa-mail-forward"></i> ';

        if (msgItem['repto'] != "" ) {
            html += '<a href="/?' + msgItem['repto'] + '">' + msgItem['to'] + '</a></p>';
        } else {
            html += msgItem['to'] + '</p>';
        }

        // Header
        html += ' <p style="color:#0099cc;font: 1.5em Open Sans, sans-serif;">'
            + '<a class="headerLink" href="/?j=' + msgItem['msgid'] + '">'
            + msgItem['subg'] + '</a>'
            + ' <i class="fa fa-at"></i> <i><a class="headerLink" href="javascript:void(0)" onclick="requestTmpEcho(\'' + msgItem['echo'] + '\')">' + msgItem['echo']
            + '</a></i></p></p>'
            + '<p>' + msg.autoLink()
            + '</p><p>';
        
        // Msgid
        html += '<a style="align:right !important; right: 13%; display:block; position: absolute;" href="?' + msgItem['msgid'] +'" onclick="requestMessage(\'' + msgItem['msgid'] + '\');"><i class="fa fa-link"></i>' + msgItem['msgid'] + '</a>';
        
        // End message <div> block
        html += '</p></div>';

        if (hash.matched && msgItem['msgid'] == hash.hash) {
            html += '</div>';
        }
    }
}

//show more messages
function showMore() {
    if (!parseLocationHash().matched && !parseLocation().matched) {
        console.log("Show more messages, please.");
        console.log("Selected echo: " + echo);
        console.log("Selected author: " + author);
        this_page += 1;
        from += show_rows;
        
        if (author != '') {
            requestAuthorOffset();
        } else if (echo != '') {
            requestEchoOffset();
        } else {
            requestEmptyEchoOffset();
        }
    }
}

function searchEcho() {
    var input, filter, box, row;
    input = $("#myInput").val();
    input = input.toLowerCase();

    box = $("label");
    row = $(".row");

    for (i = 0; i<box.length; i++) {
        if (box[i].innerHTML.indexOf(input) > -1) {
            row[i].style.display = "";
        } else {
            row[i].style.display = "none";
        }
    }
}

// Thread building
function ajaxThreadRequest(data) {
    $.ajax({
        url:"https://dynamic.lessmore.pw/search",
        type:"POST",
        data: data,
        contentType: "application/json",
        success: function(messages) {
            requestBuildThread(messages, false);
            $("#mes").html(html);
        }
    })
}

function requestBuildThread(msg, init) {
    var data = ''
    if (init) {
        console.log("We are here;");
        html = '';
        thread = [];
        var data = '{"query": {"query_string" : {"fields" : ["msgid"], "query" :"' + msg + '"}}';
    } else {
        var data = messages["hits"]["hits"][0]["_source"]["msgid"];
    }
}

function clearFilter() {
    Cookies.remove('echo');
    Cookies.remove('threads');
}

function showMenu() { 
    if ($("#dropdown-content").css("display") == "none") {
        $("#dropdown-content").css("display","block");
    } else {
        $("#dropdown-content").css("display","none");
    }
}

function showSearch() { 
    if ($("#searchInput").css("display") == "none") {
        $("#searchInput").css("display","block");
    } else {
        $("#searchInput").css("display","none");
    }
}


// Parsing functions
function parseLocationHash() {
    var hash = window.location.search.replace(/\?/, "");
    if (hash) {
        if (hash.match(/(.{20})/) && !hash.match(/.*=.*/)) {
            console.log("Matched! " + hash);
            return {matched: true, hash: hash};
        } else {
            return {matched: false};
        }
    } else {
        return {matched: false};
    }
}