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

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

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

app.command("/check-eligiblity", async ctx => {
    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://verify.hackclub.dev/api/status", {
        method: "POST",
        headers: { 'content-type': 'application/json' },
        body: JSON.stringify({
          "slack_id": userId
        }),
        redirect: "follow"
    }).then(res => res.json())

    if (res === `User ${userId} not found!`) 
        return await ctx.respond({
            response_type: 'ephemeral',
            text: `Either ${matchedBy !== "user mention" ? "you haven't" : `<@${userId}> hasn't`} verified, or ${matchedBy !== "user mention" ? "your" : "their"} verification hasn't been accepted.${matchedBy !== "user mention" ? "\nCheck out the <https://forms.hackclub.com/eligibility|eligiblity form> to verify." : ""}`,
            unfurl_links: true
        })

    else {
        return await ctx.respond({
            response_type: 'ephemeral',
            text: `${matchedBy !== "user mention" ? "You have verified your" : `<@${userId}> has verified their`} student status, and ${matchedBy !== "user mention" ? "are" : "is"} ${res.status}.`,
            blocks: [
                {
                    type: 'section',
                    text: {
                        type: 'mrkdwn',
                        text: `${matchedBy !== "user mention" ? "You have verified your" : `<@${userId}> has verified their`} student status, and ${matchedBy !== "user mention" ? "are" : "is"} *${res.status}*.`
                    }
                },
                ...(matchedBy == "user mention" ? [] : [
                    {
                        type: 'section',
                        // @ts-ignore silly typings
                        text: {
                            type: 'mrkdwn',
                            text: `*Raw JSON output from the Eligiblity API:*\n` + "```\n" + JSON.stringify(res, null, 2) + "\n```"
                        }
                    }
                ])
            ]
        })  
    }
})

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

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