import type { UsersInfoResponse } from "@slack/web-api";

const { App } = (await import("@slack/bolt"));
import "dotenv/config";

const app = new App({
    token: process.env.SLACK_BOT_TOKEN,
    signingSecret: process.env.SLACK_SIGNING_SECRET,
});

const eligibilityCmd = async (ctx: any) => {
    await ctx.ack();

    const text = ctx.command.text.slice();
    let match;
    let userId = ctx.context.userId;
    let matchedBy = "no input"

    if ((match = text.match(/\<\@(.+)\|(.+)>/))) {
        userId = match[1];
        matchedBy = "user mention"
    } else if (text)
        matchedBy = "invalid input"


    const res = await fetch("https://identity.hackclub.com/api/external/check?slack_id=" + userId, {
        headers: {
            'User-Agent': 'HackClubEligibilityBot/1.0 (ran by Loop / dainfloop)'
        }
        redirect: "follow"
    }).then(res => res.json())

    if (res.status === "not_found")
        return await ctx.respond({
            response_type: 'ephemeral',
            text: `${matchedBy !== "user mention" ? "You aren't" : `<@${userId}> isn't`} verified. ${matchedBy !== "user mention" ? `\nCheck out the <https://identity.hackclub.com/onboarding/welcome}|identity vault> to verify.` : ""}`,
            unfurl_links: true
        })

    else if (res.status === "needs_submission") {
        return await ctx.respond({
            response_type: 'ephemeral',
            text: `${matchedBy !== "user mention" ? "You" : `<@${userId}>`} provided insufficient evidence of who ${matchedBy !== "user mention" ? "you" : "they"} are.${matchedBy !== "user mention" ? `\nCheck out the <https://identity.hackclub.com/onboarding/welcome}|identity vault> to re-verify.` : ""}`,
            unfurl_links: true
        })
    }

    else if (res.status === "pending") {
        return await ctx.respond({
            response_type: 'ephemeral',
            text: `${matchedBy !== "user mention" ? "Your verification" : `<@${userId}>'s verification`} has not been accepted yet.`,
        })
    }

    else if (res.status === "rejected") {
        if (matchedBy === "user mention") {
            return await ctx.respond({
                response_type: 'ephemeral',
                text: `<@${userId}>'s verification has been denied.`
            })
        } else {
            return await ctx.respond({
                response_type: 'ephemeral',
                text: `Your verification has been denied. If you believe this to be a mistake, please send a message in <#C092833JXKK>.`
            })
        }
    }

    /** 
     * The sanctioned country status seems to have been deprecated in the Identity Vault.
     * However, this piece of code is being kept for documentation purposes.
    
    else if (res.status === "Sanctioned country") {
        if (matchedBy === "user mention") {
            return await ctx.respond({
                response_type: 'ephemeral',
                text: `<@${userId}> lives in a country that cannot have packages delivered to due to sanctions.`
            })
        } else {
            return await ctx.respond({
                response_type: 'ephemeral',
                text: `You live in a country that cannot have packages delivered to due to sanctions.${matchedBy == "not allowed" ? " (Only whitelisted users can check other people's verification statuses.)" : ""},`
            })
        }
    }
    */

    else if (res.status === "verified_eligible") {
        return await ctx.respond({
            response_type: 'ephemeral',
            text: `${matchedBy !== "user mention" ? "You have verified your" : `<@${userId}> has verified their`} identity, and ${matchedBy !== "user mention" ? "are" : "is"} eligible for YSWS prizes.`,
        })
    }

    else if (res.status === "verified_but_over_18") {
        return await ctx.respond({
            response_type: 'ephemeral',
            text: `${matchedBy !== "user mention" ? "You have verified your" : `<@${userId}> has verified their`} identity, but since ${matchedBy !== "user mention" ? "you're" : "they're"} over 18, ${matchedBy !== "user mention" ? "you're" : "they're"} ineligible for YSWS prizes.`,
        })
    }
}

app.command("/check-eligiblity", eligibilityCmd)
app.command("/check-eligibility", eligibilityCmd)

    ; (async () => {
        await app.start(60275);

        console.log('⚡️ Bolt app is running!');
    })();