/**
 * Created by Martin on 31/03/2016.
 */
var request = require('request'), cheerio = require('cheerio')
var STRING = require('string');
var logger = require('log4js').getLogger();

module.exports = {
    getTechHistory: function () {
        var url, d, day, month, monthNames = [
            "January",
            "February",
            "March",
            "April",
            "May",
            "June",
            "July",
            "August",
            "September",
            "October",
            "November",
            "December"
        ];

        d = new Date();

        month = monthNames[d.getMonth()];

        day = d.getDate();

        url = ['http://www.computerhistory.org/tdih/', month, '/', day].join('');
        logger.debug(url);
        return new Promise(function (resolve, reject) {
            "use strict";

            request(url, function (err, resp, body) {
                if (err) {
                    //  logger.error(err);
                    return reject(err);
                    // throw err;
                }

                $ = cheerio.load(body);
                var tdihbody = $('#tdihbody');

                var output = [];

                tdihbody.find('.tdihevent > p').each(function (div) {
                    var s = $(this).text();
                    output.push(STRING(s).collapseWhitespace().s);
                });
                //todayCache.data.history = todayCache.data.history.concat(output);
                // logger.info(todayCache.data.history);

                return resolve(output);
            }, function (error, response, body) {
                if (response.statusCode !== 200) {
                    logger.error(response.statusCode);
                    logger.error(body);
                    return reject(error);
                }
            });
        });

    }, getHistory: function () {
        var url, d, day, month, monthNames = [
            "january",
            "february",
            "march",
            "april",
            "may",
            "june",
            "july",
            "august",
            "september",
            "october",
            "november",
            "december"
        ];

        d = new Date();

        month = monthNames[d.getMonth()];

        day = d.getDate();

        url = [
            'http://www.bbc.co.uk/scotland/history/onthisday/', month, '/',
            day
        ].join('');

        logger.debug(url);

        return new Promise(function (resolve, reject) {

            request(url, function (err, resp, body) {
                if (err) {
                    //  logger.error(err);
                    return reject(err);
                    // throw err;
                }

                $ = cheerio.load(body);

                var body = $('DIV#bbcPageContent').first();
                var output = [];

                body.find('.story > p').each(function (div) {

                    var s = $(this).text();
                    if (s.indexOf('Today\'s recipe:') == -1) {
                        output.push(s);
                    }
                });

                return resolve(output);
                //   todayCache.data.history = todayCache.data.history.concat(output);
                //   logger.info(todayCache.data.history);
                //  module.getTechHistory();

            }, function (error, response, body) {
                if (response.statusCode !== 200) {
                    logger.error(response.statusCode);
                    logger.error(body);
                    return reject(error);
                }
            });

        });

    },
    updateHistory: function () {
        "use strict";
        var output = [];
        return new Promise(function (resolve, reject) {
            module.exports.getHistory()
                .then((d)=> {

                    output = d;

                    module.exports.getTechHistory()
                        .then((d) => {
                            output = output.concat(d);

                            return resolve(output)
                        })
                        .catch((e) => {
                            logger.error(e);
                            return reject(e);
                        });

                })
                .catch((e) => {
                    logger.error(e);
                    return reject(e);
                });

        })
    }
};