const Fs        = require('fs')

const Lotto     = require('./lib/lotto')
const NTFY      = require('./lib/ntfy')
const Constants = require('./lib/constants')

new class LottoAutomation {
    #config = {}

    #_start() {
        this.#_loadConfig()
        setImmediate(this.#_buyLotto.bind(this))
    }
    #_loadConfig() {
        if(!Fs.existsSync(Constants.CONFIG_PATH))
            throw new Error('Config.json 파일이 존재하지 않습니다.')

        try {
            const configString = Fs.readFileSync(Constants.CONFIG_PATH)
            this.#config = JSON.parse(configString)
            NTFY.Init(this.#config.ntfyUrl, this.#config.ntfyToken)
        } catch(e) {
            throw new Error('Config.json 파일이 올바르지 않습니다.')
        }
    }
    async #_buyLotto() {
        const loginResult = await Lotto.Login(this.#config.id, this.#config.password)
        if(loginResult instanceof Error)
            return NTFY.Send('로그인 실패 - ' + loginResult.message ?? loginResult.description, 'no_entry_sign')

        const buyResult = await Lotto.Buy(this.#config.buyLottoPolicy)
        if(buyResult instanceof Error)
            return NTFY.Send('구입 실패 - ' + loginResult.message ?? loginResult.description, 'no_entry_sign')

        const successMessageArr = [
            `구매 성공`,
            `ROUND: ${buyResult.round}`,
            `COST : ${buyResult.cost}`,
        ]
        successMessageArr.push(
            ...buyResult.numbers.map(numberStr => {
                const numberType = Constants.LOTTO_BUY_TYPES[numberStr.slice(-1)]
                const [idx, ...numbers] = numberStr.slice(0, -1).split('|')
                return `NUMBER ${idx} [${numberType}]: ${numbers.join(', ')}`
            })
        )
        NTFY.Send(successMessageArr.join('\n'), 'tada')
    }

    constructor() { setImmediate(this.#_start.bind(this)) }
}