import { Application, Router } from "@oak/mod.ts";
import initDB, { db, IP } from "./database.ts";
import { deviousLick, hash } from "./utils.ts";
import config, { Site } from "./config.ts";

interface Value {
    site: string;
    id: string;
    ip: string;
    path: string;
}

export default async function init() {
    await initDB();

    const router = new Router();

    router.post("/add", async (ctx) => {
        const value: Value = await ctx.request.body({ type: "json" }).value;
        const hashedIP = await hash(value.ip);
        const site: Site = (config.sites as Record<string, Site>)[value.site];

        if (!site) {
            ctx.response.status = 406;
            ctx.response.body = "Unknown site!";

            return;
        }

        let ipDB: IP;

        await db.use(config.db.namespace, value.site);

        try {
            ipDB = (await db.select("ip:" + hashedIP))[0] as IP;
        } catch {
            const geolocation = await deviousLick(value.ip);

            await db.create("ip:" + hashedIP, {
                location: geolocation,
                history: [],
            });

            ipDB = (await db.select("ip:" + hashedIP))[0] as IP;
        }

        ipDB.history.push({
            timestamp: new Date(),
            path: value.path,
        });

        console.log(`${hashedIP} ${value.path}`);

        // deno-lint-ignore no-explicit-any
        await db.update(`ip:${hashedIP}`, ipDB as Record<string, any>);

        ctx.response.status = 200;
        ctx.response.body = "Successfully added request to history!";
    });

    router.get("/sites", (ctx) => {
        ctx.response.status = 200;
        ctx.response.type = "application/json";
        ctx.response.body = JSON.stringify(config.sites);
    });

    router.get("/site/:site", (ctx) => {
        const siteName: string = ctx.params.site;
        const site = (config.sites as Record<string, Site>)[siteName];

        ctx.response.status = 200;
        ctx.response.type = "application/json";
        ctx.response.body = JSON.stringify(site);
    });

    router.get("/site/:site/analytics", async (ctx) => {
        const siteName: string = ctx.params.site;

        await db.use(config.db.namespace, siteName);

        const database = await db.select("ip");

        ctx.response.status = 200;
        ctx.response.type = "application/json";
        ctx.response.body = JSON.stringify(database);
    });

    const app = new Application();
    app.use(router.routes());

    return app;
}