import {countryForIP} from "./maxmind.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 function approveWallet(walletAddress) {
    // todo OFAC lookup
    return true
}


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


export function approveRegion(socket, bypass) {
    const ipAddress = socket.handshake.address
    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}`)
}