var end = false;
var count = 0;
var real_data = '';
var directory = [['food_division_txt_file/korean_food_final.txt','food_division_txt_file/chinese_food_final.txt','food_division_txt_file/japanese_food_final.txt','food_division_txt_file/western_food_final.txt','food_division_txt_file/etc_food_final.txt'],['food_division_txt_file/meat.txt','food_division_txt_file/fish.txt','food_division_txt_file/ect.txt','\0','\0'],['food_division_txt_file/spicy_food_final.txt','food_division_txt_file/not_spicy_food_final.txt','\0','\0','\0'],['food_division_txt_file/water.txt','food_division_txt_file/dry.txt','\0','\0','\0'],['food_division_txt_file/cold_food_final.txt','food_division_txt_file/hot_food_final.txt','\0','\0','\0']];
var save_file_name = ['fin_1.txt','fin_2.txt','fin_3.txt','fin.txt'];
var choosen = new Array();
var express = require('express');
const request = require('request');
const TARGET_URL = 'https://api.line.me/v2/bot/message/reply'
const TOKEN = 'Ur8nbk2bQAc9KavLSSJv0uzlKWCxCBnOJOKyqbRS1mMHWgJlEOPfb7v+X1DDEHocUmhU7KnPFN+KHt5S3SYd5QmF42aTeQpW2gDVTjyqty1Tn+p6QqEhI/uSz659PBHwczEYn0Plx+akfCNHDPJRpAdB04t89/1O/w1cDnyilFU='
const PAPAGO_URL = 'https://openapi.naver.com/v1/papago/n2mt'
const PAPAGO_ID = '7S7IVuHMvSgjpygsJ0uN'
const PAPAGO_SECRET = 'WpWAr55nkz'
var fs = require('fs');
const path = require('path');
const HTTPS = require('https');
const domain = "2021105602.osschatbot2022.tk"
const sslport = 23023;
const bodyParser = require('body-parser');
const res = require('express/lib/response');
const { eventNames } = require('process');
const req = require('express/lib/request');
const { compileFunction } = require('vm');
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('[request]', req.body);
    console.log('[request source] ', eventObj.source);
    console.log('[request message]', eventObj.message);

    if (eventObj.message.text == 'start') {

        count++;
        start_msg(eventObj.replyToken, eventObj.message.text);
    }else if(eventObj.message.text === 'y' && count ==1)
    {
        count++;
        opt_1(eventObj.replyToken, eventObj.message.text);
    }else if((eventObj.message.text === '1' || eventObj.message.text === '2' || eventObj.message.text === '3' || eventObj.message.text == '4' || eventObj.message.text == '5') && count ==2)
    {
        choosen.push(eventObj.message.text);
        count++;
        opt_2(eventObj.replyToken, eventObj.message.text);
    }else if((eventObj.message.text === '1' || eventObj.message.text === '2' || eventObj.message.text === '3') && count ==3)
    {
        choosen.push(eventObj.message.text);
        count++;
        opt_3(eventObj.replyToken, eventObj.message.text);
    }else if((eventObj.message.text === '1' || eventObj.message.text === '2') && count ==4)
    {
        choosen.push(eventObj.message.text);
        count++;
        opt_4(eventObj.replyToken, eventObj.message.text);
    }else if((eventObj.message.text === '1' || eventObj.message.text === '2') && count ==5)
    {
        choosen.push(eventObj.message.text);
        count++;
        opt_5(eventObj.replyToken, eventObj.message.text);
    }else if((eventObj.message.text === '1' || eventObj.message.text === '2') && count ==6)
    {
        choosen.push(eventObj.message.text);
        count++;
        var txt = intersection();
        Rmx_comment(eventObj.replyToken);
    }else if(count == 7 && end)
    {
        async function read () {
            await fs.readFile(dir, 'utf8', (err,data) => {
                if(err) {
                    console.error(err);
                    return 'err';
                }
                sleep(500);
                real_data =real_data + data + ' ';
                console.log(typeof(data));
            });
        }
        console.log('hi');
        sleep(1000);
        console.log(txt);
        Rmx(eventObj.replyToken, txt);

        count++;
    }else if(count ==8 && end)
    {
        


    }else if(count == 9)
    {
        load_map(eventObj.replyToken);
        count++;
    }else{
        err(eventObj.replyToken);
    }


    res.sendStatus(200);
});

async function start_msg(replyToken, message) {
    await request.post(
        {
            url: PAPAGO_URL,
            headers: {
                'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
                'X-Naver-Client-Id': `${PAPAGO_ID}`,
                'X-Naver-Client-Secret': `${PAPAGO_SECRET}`
            },
            body: 'source=en&target=ko&text=' + "Hi This is Menu recommend Chatbot! If you follow the instructions, I will recommend the menu. 진행하시겠습니까?(y/n)",
            json: true
        }, (error, response, body) => {
            if (!error && response.statusCode == 200) {
                console.log(body.message);
                var transMessage = body.message.result.translatedText;
                request.post(
                    {
                        url: TARGET_URL,
                        headers: {
                            'Authorization': `Bearer ${TOKEN}`
                        },
                        json: {
                            "replyToken": replyToken,
                            "messages": [
                                {
                                    "type": "text",
                                    "text": transMessage
                                }
                            ]
                        }
                    }, (error, response, body) => {
                        console.log(body)
                    });
            }
        });
}

async function opt_1(replyToken, message) {
    await request.post(
        {
            url: PAPAGO_URL,
            headers: {
                'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
                'X-Naver-Client-Id': `${PAPAGO_ID}`,
                'X-Naver-Client-Secret': `${PAPAGO_SECRET}`
            },
            body: 'source=en&target=ko&text=' + "1.Korean cuisine 2.Chinese food 3.Japanese food 4.Western food 5.Guitar",
            json: true
        }, (error, response, body) => {
            if (!error && response.statusCode == 200) {
                console.log(body.message);
                var transMessage = body.message.result.translatedText;
                request.post(
                    {
                        url: TARGET_URL,
                        headers: {
                            'Authorization': `Bearer ${TOKEN}`
                        },
                        json: {
                            "replyToken": replyToken,
                            "messages": [
                                {
                                    "type": "text",
                                    "text": transMessage
                                }
                            ]
                        }
                    }, (error, response, body) => {
                        console.log(body)
                    });
            }
        });
}

async function opt_2(replyToken, message) {
    await request.post(
        {
            url: PAPAGO_URL,
            headers: {
                'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
                'X-Naver-Client-Id': `${PAPAGO_ID}`,
                'X-Naver-Client-Secret': `${PAPAGO_SECRET}`
            },
            body: 'source=en&target=ko&text=' + "1.고기 2.해산물 3.기타",
            json: true
        }, (error, response, body) => {
            if (!error && response.statusCode == 200) {
                console.log(body.message);
                var transMessage = body.message.result.translatedText;
                request.post(
                    {
                        url: TARGET_URL,
                        headers: {
                            'Authorization': `Bearer ${TOKEN}`
                        },
                        json: {
                            "replyToken": replyToken,
                            "messages": [
                                {
                                    "type": "text",
                                    "text": transMessage
                                }
                            ]
                        }
                    }, (error, response, body) => {
                        console.log(body)
                    });
            }
        });
}

async function opt_3(replyToken, message) {
    await request.post(
        {
            url: PAPAGO_URL,
            headers: {
                'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
                'X-Naver-Client-Id': `${PAPAGO_ID}`,
                'X-Naver-Client-Secret': `${PAPAGO_SECRET}`
            },
            body: 'source=en&target=ko&text=' + "1.매운 음식 2.안 매운 음식",
            json: true
        }, (error, response, body) => {
            if (!error && response.statusCode == 200) {
                console.log(body.message);
                var transMessage = body.message.result.translatedText;
                request.post(
                    {
                        url: TARGET_URL,
                        headers: {
                            'Authorization': `Bearer ${TOKEN}`
                        },
                        json: {
                            "replyToken": replyToken,
                            "messages": [
                                {
                                    "type": "text",
                                    "text": transMessage
                                }
                            ]
                        }
                    }, (error, response, body) => {
                        console.log(body)
                    });
            }
        });
}

async function opt_4(replyToken, message) {
    await request.post(
        {
            url: PAPAGO_URL,
            headers: {
                'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
                'X-Naver-Client-Id': `${PAPAGO_ID}`,
                'X-Naver-Client-Secret': `${PAPAGO_SECRET}`
            },
            body: 'source=en&target=ko&text=' + "1.국물이 있는 음식 2.국물이 없는 음식",
            json: true
        }, (error, response, body) => {
            if (!error && response.statusCode == 200) {
                console.log(body.message);
                var transMessage = body.message.result.translatedText;
                request.post(
                    {
                        url: TARGET_URL,
                        headers: {
                            'Authorization': `Bearer ${TOKEN}`
                        },
                        json: {
                            "replyToken": replyToken,
                            "messages": [
                                {
                                    "type": "text",
                                    "text": transMessage
                                }
                            ]
                        }
                    }, (error, response, body) => {
                        console.log(body)
                    });
            }
        });
}

async function opt_5(replyToken, message) {
    await request.post(
        {
            url: PAPAGO_URL,
            headers: {
                'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
                'X-Naver-Client-Id': `${PAPAGO_ID}`,
                'X-Naver-Client-Secret': `${PAPAGO_SECRET}`
            },
            body: 'source=en&target=ko&text=' + "1.차가운 음식 2.뜨거운 음식",
            json: true
        }, (error, response, body) => {
            if (!error && response.statusCode == 200) {
                console.log(body.message);
                var transMessage = body.message.result.translatedText;
                request.post(
                    {
                        url: TARGET_URL,
                        headers: {
                            'Authorization': `Bearer ${TOKEN}`
                        },
                        json: {
                            "replyToken": replyToken,
                            "messages": [
                                {
                                    "type": "text",
                                    "text": transMessage
                                }
                            ]
                        }
                    }, (error, response, body) => {
                        console.log(body)
                    });
            }
        });
        end= true;
}

async function Rmx_comment(replyToken)
{
    await request.post(
        {
            url: TARGET_URL,
            headers: {
                'Authorization': `Bearer ${TOKEN}`
            },
            json: {
                "replyToken": replyToken,
                "messages": [
                    {
                        "type": "text",
                        "text": "아무키나 입력해 추천 음식 보기."
                    }
                ]
            }
        }, (error, response, body) => {
            console.log(body)
        });
}

async function Rmx(replyToken,message) {
    await request.post(
        {
            url: PAPAGO_URL,
            headers: {
                'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
                'X-Naver-Client-Id': `${PAPAGO_ID}`,
                'X-Naver-Client-Secret': `${PAPAGO_SECRET}`
            },
            body: 'source=en&target=ko&text=' + message,
            json: true
        }, (error, response, body) => {
            if (!error && response.statusCode == 200) {
                console.log(body.message);
                var transMessage = body.message.result.translatedText;
                request.post(
                    {
                        url: TARGET_URL,
                        headers: {
                            'Authorization': `Bearer ${TOKEN}`
                        },
                        json: {
                            "replyToken": replyToken,
                            "messages": [
                                {
                                    "type": "text",
                                    "text": transMessage
                                }
                            ]
                        }
                    }, (error, response, body) => {
                        console.log(body)
                    });
            }
        });
}

async function load_map(replyToken)
{
    await request.post(
        {
            url: TARGET_URL,
            headers: {
                'Authorization': `Bearer ${TOKEN}`
            },
            json: {
                "replyToken": replyToken,
                "messages": [
                    {
                        "type": "text",
                        "text": "https://www.daleseo.com/js-sleep/"
                    }
                ]
            }
        }, (error, response, body) => {
            console.log(body)
        });
}

async function err(replyToken)
{
    await request.post(
        {
            url: TARGET_URL,
            headers: {
                'Authorization': `Bearer ${TOKEN}`
            },
            json: {
                "replyToken": replyToken,
                "messages": [
                    {
                        "type": "text",
                        "text": "please enter a right thing"
                    }
                ]
            }
        }, (error, response, body) => {
            console.log(body)
        });
}

async function intersection()
{
    const spawn = await require('child_process').spawn;
    for (var i = 0, j = 0; i < 3; i += 2, j++) {
        var result = await spawn('python', ['fileread_practice.py', directory[i][Number(choosen[i]) - 1], directory[i + 1][Number(choosen[i + 1]) - 1], save_file_name[j]]);
        await result.stdout.on('data', function (data) {
            console.log(data.toString());
        });
        await result.stderr.on('data', function (data) {
            console.log(data.toString());
        });
    }
    result = await spawn('python', ['fileread_practice.py', save_file_name[0], save_file_name[1], save_file_name[2]]);
    result.stdout.on('data', function (data) {
        console.log(data.toString());
    });
    await result.stderr.on('data', function (data) {
        console.log(data.toString());
    });
    result = await spawn('python', ['fileread_practice.py', save_file_name[2], directory[4][Number(choosen[4]) - 1], save_file_name[3]]);
    result.stdout.on('data', function (data) {
        console.log(data.toString());
    });
    await result.stderr.on('data', function (data) {
        console.log(data.toString());
    });
    return 'complete';
}

function sleep(ms) {
    const wakeUpTime = Date.now() + ms;
    while (Date.now() < wakeUpTime) {}
  }

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);
}