import { handleFingerprintScript } from "./fingerprint";
import { handleCollect } from "./db";
import { handleView } from "./auth";

export default {
    async fetch(request, env) {
        const url = new URL(request.url);

        if (request.method === "OPTIONS") {
            return handleOptions(request);
        }

        if (url.pathname === "/fingerprint.js") {
            return handleFingerprintScript();
        }

        if (url.pathname === "/collect") {
            return handleCollect(request, env);
        }

        if (url.pathname === "/view") {
            return handleView(request, env);
        }

        return new Response("Rota não encontrada", { status: 404 });
    }
};

export async function handleFingerprintScript() {
    const script = `
        (async () => {
            const fingerprintData = {
                userAgent: navigator.userAgent,
                platform: navigator.platform,
                language: navigator.language,
                screen: { width: screen.width, height: screen.height },
                timezone: Intl.DateTimeFormat().resolvedOptions().timeZone,
                hardwareConcurrency: navigator.hardwareConcurrency,
                deviceMemory: navigator.deviceMemory || 'unknown'
            };
            await fetch('/collect', {
                method: 'POST',
                headers: { 'Content-Type': 'application/json' },
                body: JSON.stringify(fingerprintData)
            });
        })();
    `;
    return new Response(script, {
        headers: { 'Content-Type': 'application/javascript', 'Access-Control-Allow-Origin': '*' }
    });
};

export async function handleCollect(request, env) {
    if (request.method !== 'POST') {
        return new Response('Método não permitido', { status: 405 });
    }
    const data = await request.json();
    await env.DB.prepare('INSERT INTO fingerprints (data) VALUES (?)').bind(JSON.stringify(data)).run();
    return new Response('Fingerprint salvo', { status: 200 });
};

export async function handleView(request, env) {
    const authHeader = request.headers.get('Authorization');
    if (!authHeader || authHeader !== `Bearer ${env.SECRET_KEY}`) {
        return new Response('Não autorizado', { status: 401 });
    }
    const { results } = await env.DB.prepare('SELECT * FROM fingerprints').all();
    return new Response(JSON.stringify(results), {
        headers: { 'Content-Type': 'application/json' }
    });
};