const fs = require('fs');
const express = require('express');
const app = express();
const port = 80;

const axios = require('axios');
const cheerio = require('cheerio');
const url = 'http://lol.inven.co.kr/dataninfo/proteam/progamer.php?code=135';

var fakerData = {};

function checkData() {
    try {
        const dataBuffer = fs.readFileSync('data.json');
        fakerData = dataBuffer.toJSON();
        console.log(fakerData);
    }
    catch (exception) {
        console.log(exception);
        if (exception.code == "ENOENT") {
            console.log("데이터 파일이 존재하지 않습니다. 데이터를 크롤링합니다.");
            getData();
        }
    }
}

const getHTML = async () => {
    try {
        return await axios.get(url);
    } catch (error) {
        console.error(error);
    }
};

function getData() {
    getHTML()
    .then(html => {
        var today = new Date();
        var dateInfo = `${today.getFullYear()}/${today.getMonth() + 1}/${today.getDate()}`;
        fakerData['date'] = dateInfo;

        const $ = cheerio.load(html.data);

        //#region LCK 통산 전적
        var tr = $('table.table.log_list.log01 tbody').children();
        var td = tr.eq(0).children();

        fakerData['lCK'] = {
            totalGamePlay: td.eq(1).text(),
            totalWin: td.eq(2).text(),
            totalLose: td.eq(3).text(),
            winRate: td.eq(4).text(),
            killPerMatch: td.eq(5).text(),
            deathPerMatch: td.eq(6).text(),
            assistPerMatch: td.eq(7).text(),
            kDA: td.eq(8).text(),
            kP: td.eq(9).text()
        };
        //#endregion

        //#region 최근 LCK 기록
        var recentLCKInfo = $('div.block.scriptorium_box.scriptorium_player_info').children().eq(2);
        var mostInfo = recentLCKInfo.find('div.left ul.block.list').children();
        var mostList = [];
        var indicatorInfo = recentLCKInfo.find('div.right ul.block.bottom.clearfix').children();

        mostInfo.each(function (i, elem) {
            mostList[i] = {
                champion: $(this).find('div.name_area p.value b').text(),
                played: $(this).find('div.play_area p.value').text(),
                record: $(this).find('div.log_area p.value').text(),
                kDA: $(this).find('div.kda_area p.value').text()
            };
        });

        fakerData['recentLCK'] = {
            name: recentLCKInfo.find('h3.block.player_sub_title.clearfix').text(),
            most: mostList,
            comparison_WinRate: indicatorInfo.eq(0).find('div.progress.left div.text').text()
                .concat(" ", indicatorInfo.eq(0).find('div.progress.right div.text').text()),
            comparison_KDA: indicatorInfo.eq(1).find('div.progress.left div.text').text()
                .concat(" ", indicatorInfo.eq(1).find('div.progress.right div.text').text()),
            comparison_KP: indicatorInfo.eq(2).find('div.progress.left div.text').text()
                .concat(" ", indicatorInfo.eq(2).find('div.progress.right div.text').text())
        };
        //#endregion

        //#region 통산 전적
        var td = $('div.scriptorium').children('div.listTable').eq(1).find('table tbody tr').children();

        fakerData['fullCareer'] = {
            totalGamePlay: td.eq(0).text(),
            totalWin: td.eq(1).text(),
            totalLose: td.eq(2).text(),
            winRate: td.eq(3).text(),
            totalKill: td.eq(4).text(),
            totalDeath: td.eq(5).text(),
            totalAssist: td.eq(6).text(),
            killPerMatch: td.eq(7).text(),
            deathPerMatch: td.eq(8).text(),
            assistPerMatch: td.eq(9).text(),
            kDA: td.eq(10).text(),
            kP: td.eq(11).text()
        }
        //#endregion
        
        //#region 대회 별 전적
        var tr = $('div.scriptorium').children('div.listTable').eq(3).find('table tbody').children();
        var competitionData = {};

        tr.each(function (i,elem) {
            var td = $(this).children();
            var competitionName = td.eq(0).text().replace(td.eq(0).find('span').text(), '');

            competitionData[competitionName] = {
                name: competitionName,
                totalGamePlay: td.eq(1).text(),
                totalWin: td.eq(2).text(),
                totalLose: td.eq(3).text(),
                winRate: td.eq(4).text(),
                totalKill: td.eq(5).text(),
                totalDeath: td.eq(6).text(),
                totalAssist: td.eq(7).text(),
                killPerMatch: td.eq(8).text(),
                deathPerMatch: td.eq(9).text(),
                assistPerMatch: td.eq(10).text(),
                kDA: td.eq(11).text(),
                kP: td.eq(12).text()
            };
        });

        fakerData['competitions'] = competitionData;
        //#endregion

        //#region 챔피언 별 전적
        var tr = $('div.scriptorium').children('div.listTable').eq(4).find('table tbody').children();
        var championData = {};

        tr.each(function (i, elem) {
            var td = $(this).children();
            var championName = td.eq(0).text();

            championData[championName] = {
                name: championName,
                totalGamePlay: td.eq(1).text(),
                totalWin: td.eq(2).text(),
                totalLose: td.eq(3).text(),
                winRate: td.eq(4).text(),
                totalKill: td.eq(5).text(),
                totalDeath: td.eq(6).text(),
                totalAssist: td.eq(7).text(),
                killPerMatch: td.eq(8).text(),
                deathPerMatch: td.eq(9).text(),
                assistPerMatch: td.eq(10).text(),
                kDA: td.eq(11).text(),
                kP: td.eq(12).text()
            }
        });

        fakerData['champions'] = championData;
        //#endregion
        
        return fakerData;
    })
    .then(res => {
        console.log(res)
        fs.writeFileSync('data.json', JSON.stringify(res));
    });
}


app.get('/', (req, res) => {
    res.send('Express Test');
});

app.listen(port, () => console.log(`app listening at http://localhost:${port}`));

checkData();