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// ==UserScript==
// @name         bilibot
// @namespace    http://live.bilibili.com/
// @version      0.1
// @description  get your award automatically
// @author       zyguan
// @include      http://live.bilibili.com/*
// @exclude      http://live.bilibili.com/
// @grant        none
// @require      https://github.com/antimatter15/ocrad.js/raw/master/ocrad.js
// ==/UserScript==

(function(bot) {
    'use strict';
    $('.box-doms').bind("DOMSubtreeModified", function() {
        var $boxDoms = $(this);
        var $timer = $boxDoms.find('.count-down');
        if ($timer.text() == "00:00") {
            bot.tryGetAward(avalon.vmodels.treasureCtrl, $timer, 5);
        }
    });
})({
    getImgData: function(img) {
        var canvas = document.createElement('canvas');
        var context = canvas.getContext('2d');
        canvas.width = 120;
        canvas.height = 40;
        context.drawImage(img, 0, 0);
        return context.getImageData(0, 0, 120, 40);
    },

    ocr: function(imgData) {
        var valstr = OCRAD(imgData);
        valstr = valstr.replace(/[zZ]/g, '2');
        valstr = valstr.replace(/[sS]/g, '6');
        valstr = valstr.replace(/[oO]/g, '0');
        valstr = valstr.replace(/[Il]/g, '1');
        valstr = valstr.replace(/B/g, '8');
        valstr = valstr.replace(/_/g, '4');
        valstr = valstr.replace(/g/g, '9');
        return valstr;
    },

    tryGetAward: function(ctrl, timer, cnt) {
        if (cnt > 0 && timer.text() == "00:00" &&
            timer.parents('.treasure-box-ctnr').css('display') != "none") {
            ctrl.captcha.refresh();
            self = this;
            $('.acquiring-panel .captcha-img').one("load", function() {
                try {
                    var val = eval(self.ocr(self.getImgData(this)));
                    console.log("tryGetAward #"+cnt, val, this);
                    ctrl.captcha.userInput = val;
                    ctrl.getAward();
                } catch (err) {
                    console.error("GetAward:", err);
                } finally {
                    setTimeout(function () {
                        self.tryGetAward(ctrl, timer, cnt-1);
                    }, 1500);
                }
            });
        }
    },
});