var express = require('express');
const request = require('request');
const TARGET_URL = 'https://api.line.me/v2/bot/message/reply'
const TOKEN = require('./config').TOKEN
const fs = require('fs');
const path = require('path');
const HTTPS = require('https');
const domain = require('./config').domain
const sslport = 23023;
const bodyParser = require('body-parser');

const schedule = require('node-schedule')

const data = require('./functions/dataFunctions')
const find = require('./functions/findFunction')

// 0초 0분 0시 아무날 아무달 아무년

const saveData = schedule.scheduleJob('00 0 00 * * *', data.save)

var app = express();
app.use(bodyParser.json());
app.post('/hook', function (req, res) {
    var eventObj = req.body.events[0];
       
    var source = eventObj.source;
    var message = eventObj.message;
    // request log
    console.log('======================', new Date() ,'======================');
    console.log('[queryString]', req.query)
    console.log('[request]', req.body);
    console.log('[request source] ', eventObj.source, eventObj2.source);
    console.log('[request message]', eventObj.message, eventObj2.message);
    console.log('[request postback]', eventObj.postback, eventObj2.postback);
    const messageData = find.byCompanyName('naver')
    const messageResult = []
    let string
    let start
    let finish
    let data
    let button
    let flag = true
    if (!eventObj.postback){
        start = 0;
        finish = start + 4
    }
    else{
        start = parseInt(eventObj.postback.data.split(" ")[1])
        finish = start + 4
        if (finish >= messageData.length){
            finish = messageData.length
            flag = false
        }
    }
    data = `kakao ${finish}`
    button = {
        "type" : "flex",
        "altText" : "test FLEX",
        "contents" : {
                "type": "bubble",
                "body": {
                    "type": "box",
                    "layout" : "vertical",
                    "contents" : [
                        {
                            "type": "button",
                            "action": {
                                "type":"postback",
                                "label":"다음 보기",
                                "data": data
                            },
                            "style": "primary",
                            "color": "#0000ff"
                        }
                    ]
                }
        }
    }
    console.log(start, finish, data)
    for(start ; start < finish; start++){
        string = "제목 : " + messageData[start].title +"\n" + "회사명 : " + messageData[start].companyName + "\n" + "tags : " + messageData[start].tags.toString() +"\n" + "링크 : " + messageData[start].url + "\n"
        messageResult.push({
            "type" : "text",
            "text" : string
        })
    }
    if(flag){
        messageResult.push(button)
        result = {
            url: TARGET_URL,
            headers: {
                'Authorization': `Bearer ${TOKEN}`
            },
            json: {
                "replyToken":eventObj.replyToken,
                "messages": messageResult
            }
        }
    }
    else{
        result = {
            url: TARGET_URL,
            headers: {
                'Authorization': `Bearer ${TOKEN}`
            },
            json: {
                "replyToken":eventObj.replyToken,
                "messages": messageResult
            }
        }
    }

    request.post(result ,(error, response, body) => {
            console.log(body)
        });
    
    res.sendStatus(200);
});
try {
    const option = {
        ca: fs.readFileSync('/etc/letsencrypt/live/' + domain +'/fullchain.pem'),
        key: fs.readFileSync(path.resolve(process.cwd(), '/etc/letsencrypt/live/' + domain +'/privkey.pem'), 'utf8').toString(),
        cert: fs.readFileSync(path.resolve(process.cwd(), '/etc/letsencrypt/live/' + domain +'/cert.pem'), 'utf8').toString(),
    };

    HTTPS.createServer(option, app).listen(sslport, () => {
        console.log(`[HTTPS] Server is started on port ${sslport}`);
    });
} catch (error) {
    console.log('[HTTPS] HTTPS 오류가 발생하였습니다. HTTPS 서버는 실행되지 않습니다.');
    console.log(error);
}