import express from 'express'
import * as fs from "node:fs";
import nodemailer from "nodemailer";
import * as dotenv from "dotenv";

dotenv.config()
const app = express()
const PORT = parseInt(process.env.PORT) || 20123
const TIMEOUT = parseInt(process.env.TIMEOUT) || 60000

const SMTP_HOST = process.env.SMTP_HOST
const SMTP_PORT = parseInt(process.env.SMTP_PORT)
const SMTP_SECURE = process.env.SMTP_SECURE === 'true'
const SMTP_SENDER = process.env.SMTP_SENDER
const SMTP_PASS = process.env.SMTP_PASS

let stat = null

app.get('/', (req, res) => {
    res.send(JSON.stringify(stat))
})

const configJson = fs.readFileSync('./data/config.json', 'utf8');
const configs = JSON.parse(configJson);
console.log('Read config successfully.');

const fetchData = (uid, key) => fetch(`https://api.torn.com/user/${uid}?selections=cooldowns,bars,travel&key=${key}`)

const transporter = nodemailer.createTransport({
    host: SMTP_HOST,
    port: SMTP_PORT,
    secure: SMTP_SECURE, // true for port 465, false for other ports
    auth: {
        user: SMTP_SENDER,
        pass: SMTP_PASS,
    },
});

if (configs.length > 0) {
    for (const config of configs) {
        if (!config['apikey'] || typeof config['apikey'] !== 'string') {
            throw new Error('配置文件apikey无效')
        }
        if (!config['email'] || typeof config['email'] !== 'string') {
            throw new Error('配置文件email无效')
        }
        if (!config['uid'] || typeof config['uid'] !== 'string' || (config['uid'] | 0) === 0) {
            throw new Error('配置文件uid无效')
        }
        const apikey = config['apikey']
        const email = config['email']
        const uid = config['uid']
        // transporter.sendMail({
        //     from: `"Torn通知" <${SMTP_SENDER}>`, // sender address
        //     to: email, // list of receivers
        //     subject: "Torn通知测试", // Subject line
        //     text: "这是一封测试邮件 - Wuhu Mail Notify Project", // plain text body
        //     // html: "<b>Hello world?</b>", // html body
        // }).catch(console.error);
        const timeout = async () => {
            try {
                const apiData = await (await fetchData(uid, apikey)).json();
                const date = new Date(); // ms
                const timestamp = date.getTime() //ms
                const serverTime = apiData?.server_time * 1000; // ms
                const timeDiff = parseInt((timestamp - serverTime) / 1000 + ''); // sec

                const drugCd = apiData?.cooldowns?.drug
                const energyFull = apiData?.energy?.fulltime
                const nerveFull = apiData?.nerve?.fulltime
                const travelTimeLeft = apiData?.travel?.time_left

                // cd
                if (drugCd && typeof drugCd === 'number' && drugCd - timeDiff < 60 && drugCd - timeDiff > 0) {
                    console.log(`[${uid}]发送XAN通知`)
                    transporter.sendMail({
                        from: `"Torn通知" <${SMTP_SENDER}>`, // sender address
                        to: email, // list of receivers
                        subject: "到饭点了", // Subject line
                        text: "药CD即将结束 - Wuhu Mail Notify Project", // plain text body
                        // html: "<b>Hello world?</b>", // html body
                    }).catch(console.error);
                } else {
                    console.log(`[${uid}]毒CD未到通知时间 ( 还需 ${drugCd - timeDiff}s )，跳过`)
                }
                // 体力满
                if (energyFull && typeof energyFull === 'number' && energyFull - timeDiff < 60 && energyFull - timeDiff > 0) {
                    console.log(`[${uid}]发送体力通知`)
                    transporter.sendMail({
                        from: `"Torn通知" <${SMTP_SENDER}>`,
                        to: email,
                        subject: "体力已满",
                        text: "角色体力已满 - Wuhu Mail Notify Project",
                    }).catch(console.error);
                } else {
                    console.log(`[${uid}]体力未满 ( 还需 ${energyFull - timeDiff}s )，跳过`)
                }
                // 精神满
                if (nerveFull && typeof nerveFull === 'number' && nerveFull - timeDiff < 60 && nerveFull - timeDiff > 0) {
                    console.log(`[${uid}]发送精神通知`)
                    transporter.sendMail({
                        from: `"Torn通知" <${SMTP_SENDER}>`,
                        to: email,
                        subject: "精神已满",
                        text: "角色精神已满 - Wuhu Mail Notify Project",
                    }).catch(console.error);
                } else {
                    console.log(`[${uid}]精神未满 ( 还需 ${nerveFull - timeDiff}s )，跳过`)
                }
                // 飞机落地
                if (travelTimeLeft && typeof travelTimeLeft === 'number' && travelTimeLeft - timeDiff < 60 && travelTimeLeft - timeDiff > 0) {
                    console.log(`[${uid}]发送飞行通知`)
                    transporter.sendMail({
                        from: `"Torn通知" <${SMTP_SENDER}>`,
                        to: email,
                        subject: "飞行结束",
                        text: "角色即将落地 - Wuhu Mail Notify Project",
                    }).catch(console.error);
                } else {
                    console.log(`[${uid}]飞机未到通知时间 ( 还需 ${travelTimeLeft - timeDiff}s )，跳过`)
                }
            } catch (e) {
                console.error(e)
                stat = {
                    stack: e.stack,
                    msg: e.message,
                    ts: Date.now(),
                }
            }

            setTimeout(timeout, TIMEOUT)
        }
        timeout().catch(console.error)
    }
} else {
    throw new Error('配置文件列表为空')
}

app.listen(PORT, () => {
    console.log(`App listening on port ${PORT}`)
})