// Copyright 2016-2017 Sudnitsyna Anna 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 date = new Date(new Date().getTime() + 60 * 1000);
var date = new Date;
date.setDate(date.getDate() + 7);
var echo = document.cookie;

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

$(function() {

    //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}}}}}',
        success:function(messages){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'];

            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: " + document.cookie);
                                   $('#echoSelector').html(options);
                                   $('#echoCheckBox').html(checks);}
    })
    
    $('.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"] + " ";}
        document.cookie = echo +"; path=/; expires=" + date.toUTCString();
        $('#echoSelected').html("Выбранные эхи: " + echo);
    });

    $('#echoSelector').on('change', function() {
        echo = ''; 
        html = '';
        for (i in $(this).val()) {
            echo += $(this).val()[i] + " "; 
        }
        document.cookie = echo +"; path=/; expires=" + date.toUTCString();
        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() - $(window).scrollTop() < 1.5 && hash.matched != true) {
            showMore(); 
            //console.log($(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,
        success:function(messages){
            callback(messages);
            $("#mes").html(html);
        }
    })
}

// Cleanup AJAX function
function ajaxCleanupRequest(data) {
    $.ajax({
        url:"https://dynamic.lessmore.pw/search",
        type:"POST",
        data: data,
        success:function(messages){
            cleanupCallback(messages);
            $("#mes").html(html);
        }
    })
}

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

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

function requestEmptyEchoOffset() {
    var data = '{"sort": [ { "date":   { "order": "desc" }}, { "_score": { "order": "desc" }}],"size":'+ show_rows + ', "from":'+ from + '}';
    ajaxRequest(data);
}


function requestEchoOffset() {
    var 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 }';
    console.log(text);
    html = '';
    echo = '';
    author = '';
    ajaxRequest(data);
}

//show messages
function callback(messages) {    
    var msgArray = messages["hits"]["hits"];
    console.log(msgArray);
  
    for (hit in msgArray) {
        var msgItem = msgArray[hit]['_source'];
        var t = new Date(msgItem['date'] * 1);
        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");

        var to = 
            html += '<div class="msg"><p align="right">' + t_formatted + '</p> <p style="font: 1.5em Open Sans, sans-serif;">'
            + msgItem['subg'] + '</p><p>Echo: '
            + msgItem['echo']  + '<br>Author: ' + '<a href="#" onclick="requestAuthorMessages(\'' + msgItem['author'] + '\');">' + msgItem['author'] + '</a>'
            + '<br>To: ' + '<a href="#" onclick="requestAuthorMessages(\'' + msgItem['to'] + '\', true);">' + msgItem['to'] + '</a>'
            + '</p><p>'  + msg.autoLink()
            + '</p><p align="right">'
            + '<a href="?' + msgItem['msgid'] +'" onclick="requestMessage(\'' + msgItem['msgid'] + '\');">#' + msgItem['msgid'] + '</a></p></div>';
    }
}

// Clenaup HTML and show messages
function cleanupCallback(messages) {
    var msgArray = messages["hits"]["hits"];
    for (hit in msgArray) {
        var msgItem = msgArray[hit]['_source'];
        var t = new Date(msgItem['date'] * 1);
        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");
        html = '';
        echo = '';

        var to = '<div class="msg"><p align="right">' + t_formatted + '</p> <p style="font: 1.5em Open Sans, sans-serif;">'
            + msgItem['subg'] + '</p><p>Echo: '
            + msgItem['echo']  + '<br>Author: ' + '<a href="#" onclick="requestAuthorMessages(\'' + msgItem['author'] + '\');">' + msgItem['author'] + '</a>'
            + '<br>To: ' + msgItem['to']
            + '</p><p>'  + msg
            + '</p><p align="right">'
            + msgItem['msgid'] + '</a>' + '</p></div>';
    }
}

//show more messages
function showMore(){
    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";
        }
    }
}


function clearFilter() {
    document.cookie = "";
}

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


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