import {countryForIP} from "./maxmind.js";
import {clientIP} from "./misc.js";
import {sql} from "./db.js";


const bannedCountries = [
    // 'US',  // FFS
    // 'PR',  // FFS (different country?!)

    // OFAC country bans
    'CU',  // Cuba
    'IR',  // Iran
    'KP',  // North Korea
    'SY',  // Syria
    'RU',  // Russia
    'BY',  // Belarus
]


export async function approveTOS(socket, time, version, callback) {
    const ipAddress = clientIP(socket)
    await sql('insert into tosacceptance (ipaddr, time, version) values ($1,$2,$3)', ipAddress, time, version)
    callback(true)
}


export function approveWallet(walletAddress) {
    // todo OFAC lookup
    return true
}


function approveIP(ipAddress) {
    let country
    try {
        country = countryForIP(ipAddress)
    }
    catch (e) {
        console.warn(`IP lookup failed for ${ipAddress}: ${e.message}`)
        return false
    }
    if (!country) return false
    const approved = !bannedCountries.includes(country)
    console.debug(`IP ${ipAddress} from ${country} is ${approved ? 'approved' : 'rejected'}`)
    return approved
}


export function approveRegion(socket, bypass) {
    const ipAddress = clientIP(socket)
    const debug = bypass === process.env.DEXORDER_REGION_APPROVAL;
    const approved = debug || approveIP(ipAddress)
    socket.emit('approvedRegion', approved)
    if(debug)
        console.info(`approved admin at ${ipAddress}`)
}