import fetch from 'node-fetch'
import { exec } from 'child_process'
import { skinDB } from "../db/init.js"

export async function ddnssStart() {
    const response = await fetch('https://ddnet.tw/status/index.json');
    const data = await response.json();

    console.log(data)

    for (const servers of data) {
        /* Check if server isn't empty and not full */
        if (servers.num_clients > 0 && servers.num_clients < 59) {
            let server = `${servers.ip}:${servers.port}`
            console.log(`Connecting: ${servers.ip}:${servers.port}`)

            /* exec ddnss */
            await scrapeServer(`${server}`)
        }
        else
            console.log(`${servers.num_clients}/63 Server full: ${servers.ip}:${servers.port}`)
    }
    /* A bit hacky way of killing ddnss */
    exec(`pkill -9 -f ddnss`)
}

export function scrapeServer(server) {
    let command = `./ddnss/build/DDNet "ui_server_address ${server}" -f ddnss/build/config.conf`
    let skinData

    return new Promise((done, failed) => {
        exec(command, { encoding: 'utf8', timeout: 10000 }, (err, stdout, stderr) => {
            if (err) {
                err.stdout = stdout
                err.stderr = stderr
            }

            /* Handle error from parsing of JSON */
            try {
                skinData = JSON.parse(stdout)
            } catch (e) {
                done()
                return
            }

            if (skinData === null) {
                done()
                return
            }

            /* Get timestamp */
            let ts = (Date.now())

            /* Insert skindata */
            for (const entry of skinData) {
                skinDB.prepare(`INSERT INTO "skindata"
                (
                    timestamp,
                    player,
                    clan,
                    flag,
                    skin,
                    useColor,
                    colorBodyRaw,
                    colorBodyHex,
                    colorFeetRaw,
                    ColorFeetHex
                ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`).
                    run(
                        ts,
                        entry.player,
                        entry.clan,
                        entry.flag,
                        entry.skindata.skin,
                        entry.skindata.useColor,
                        entry.skindata.colorBody.raw,
                        entry.skindata.colorBody.hex,
                        entry.skindata.colorFeet.raw,
                        entry.skindata.colorFeet.hex,
                    )
            }
            done()
        })
    })
}