// ==UserScript==
// @name       Autokolchanka
// @namespace  http://use.i.E.your.homepage/
// @version    0.1
// @description  enter something useful
// @match      http://*1chan.ru/*
// @require     http://github.com/andris9/jStorage/raw/master/jstorage.js
// @copyright  2012+, You
// ==/UserScript==

$((new (function(){
    var self = this;
    var wordsAfterComma = [
        "а",
        "но",
        "который",
        "которая",
        "которые",
        "которое"
    ];
    this.init = function(){

        jQuery(".b-post-statistics").append("<br>");
        self.createButton("Хули вы тут читаете", self.askAboutReading);
        self.createButton("Пиар параши", self.pearParashee);
        self.createButton("Автоколчанька", self.sendAutoMessage);

    };

    this.createButton = function(text, handler){
        var randomId = Math.random().toString().replace("0.", "button-");
        var button = jQuery("<button>");
        button.addClass(randomId);
        button.text(text);
        jQuery(".b-post-statistics").append(button);
        if (typeof (handler) == "function")
            jQuery(document).on("click", "."+randomId, handler);
    };

    this.pearParashee = function(){
        var threadNumber = window.location.pathname.split("/")[3];
        self.sendMessageToThread("Пиар параши, минус.");
        jQuery.ajax("http://1chan.ru/news/res/"+threadNumber+"/rate_post/down/");
    };

    this.sendMessageToThread = function(message){
        var threadNumber = window.location.pathname.split("/")[3];
        var captcha = self.getCaptcha();
        jQuery.post("http://1chan.ru/news/res/"+threadNumber+"/add_comment/", {"post_id": threadNumber, "captcha": captcha, "homeboard": "anonymous", "text": message });
    };

    this.getCaptcha = function(){
        var captchaBox = jQuery(".b-comment-form input[name=captcha]");
        if (captchaBox.length > 0)
            return captchaBox.val();
        return "";
    };

    this.askAboutReading = function(){
        var stats = ">Читают: " + jQuery("#post_stats_reading").text();
        var text = stats + "\r\nХули вы тут читаете?";
        self.sendMessageToThread(text);
    };

    this.sendAutoMessage = function(){
        var threadNumber = window.location.pathname.split("/")[3];
        var commentNumbers = jQuery(".b-comment_b-info a[name]");
        var words = jQuery.unique(jQuery(".b-comment_b-body,.b-blog-entry_b-body")
                             .text().split(/\s+/)
                             .filter(function(a){
                                 return a.match(/[A-Za-zА-Яа-я]+/) && a.length < 15;
                             })
                             .map(function(a){
                                 return a.replace(/[\.,!?()]/g, "").toLowerCase()
                             }));
        var icons = jQuery(".js-homeboard-select-link");
        var captcha = self.getCaptcha();
        jQuery.post("http://1chan.ru/news/res/"+threadNumber+"/add_comment/", {"post_id": threadNumber, "captcha": captcha, "homeboard": "anonymous", "text": self.generateMessage(threadNumber, commentNumbers, words)});
    };

    this.re = this.getRandomElement = function(array){
        self.lastRandom = 0;
        var randomValue = Math.floor(Math.random()*array.length);
        if (randomValue == window.lastRandom && array.length>1)
            return self.re(array);
        window.lastRandom = randomValue;
        return array[randomValue];
    };

    this.generateMessage = function(threadNumber, commentNumbers, words){
        var replyTo = ">>" + (commentNumbers.length>0?commentNumbers.last().text():threadNumber);
        var wordsCount = Math.floor(Math.random()*30) + 1;
        var text = self.capitaliseFirstLetter(self.re(words));
        var sentenceLength = Math.min(Math.floor(Math.random()*6) + 5, wordsCount);
        var sentenceIndex = 1;
        for (var i=0; i<wordsCount; i++){
            nextWord = self.re(words);
            if (sentenceIndex == 0){
                nextWord = " " + self.capitaliseFirstLetter(nextWord);
            }
            else{
                if (wordsAfterComma.indexOf(nextWord) > -1){
                    nextWord = ", " + nextWord;
                }
                else{
                    nextWord = " " + nextWord;
                }
            }
            if (sentenceIndex >= sentenceLength - 1){
                sentenceLength = Math.min(Math.floor(Math.random()*7) + 4, wordsCount - i - 1);
                sentenceIndex = 0;
                nextWord += ".";
            }
            else{
                sentenceIndex++;
            }

            text += nextWord;
        }
        return replyTo + "\r\n" + text;
    };

    this.capitaliseFirstLetter = function(input){
        return input.charAt(0).toUpperCase() + input.substr(1);
    };
})()).init())