import db from "../src/inc/sql.mjs";
import http from "http";
import crypto from "crypto";

const HOST = "localhost";
const PORT = 3000;
import { readFile } from "fs/promises";
const cfg = JSON.parse(await readFile("../config.json", "utf8"));
const serverPort = cfg.websrv.port;

const runTest = async () => {
    // 1. Setup Data
    console.log("Setting up test data...");
    const user = await db`SELECT id FROM "user" LIMIT 1`;
    const item = await db`SELECT id FROM "items" LIMIT 1`;

    if (!user.length || !item.length) {
        console.error("No user or item found.");
        process.exit(1);
    }

    const userId = user[0].id;
    const itemId = item[0].id;

    // Create session
    const sessionKey = "testsession_" + Date.now();
    const sessionHash = crypto.createHash('md5').update(sessionKey).digest("hex");

    await db`DELETE FROM user_sessions WHERE user_id = ${userId}`; // Clear old sessions for clean test
    await db`INSERT INTO user_sessions (user_id, session, browser, created_at, last_used, last_action)
             VALUES (${userId}, ${sessionHash}, 'test-bot', ${Math.floor(Date.now() / 1000)}, ${Math.floor(Date.now() / 1000)}, 'test')`;

    console.log(`User: ${userId}, Item: ${itemId}, Session: ${sessionKey}`);

    // Helper for requests
    const request = (method, path, body = null, cookie = null) => {
        return new Promise((resolve, reject) => {
            const options = {
                hostname: HOST,
                port: serverPort,
                path: path,
                method: method,
                headers: {
                    'Content-Type': 'application/json',
                    'Cookie': cookie ? `session=${cookie}` : ''
                }
            };

            const req = http.request(options, (res) => {
                let data = '';
                res.on('data', chunk => data += chunk);
                res.on('end', () => resolve({ statusCode: res.statusCode, body: data }));
            });

            req.on('error', reject);
            if (body) req.write(JSON.stringify(body));
            req.end();
        });
    };

    // 2. Test GET (Empty)
    console.log("Testing GET /api/comments/" + itemId);
    let res = await request('GET', `/api/comments/${itemId}`);
    console.log("GET Response:", res.body);
    let json = JSON.parse(res.body);
    if (!json.success) throw new Error("GET failed");

    // 3. Test POST
    console.log("Testing POST /api/comments");
    res = await request('POST', '/api/comments', {
        item_id: itemId,
        content: "Hello World from Test Bot"
    }, sessionKey);
    console.log("POST Response:", res.body);
    json = JSON.parse(res.body);
    if (!json.success) throw new Error("POST failed");
    const commentId = json.comment.id;

    // 4. Test GET (With comment)
    console.log("Testing GET /api/comments/" + itemId);
    res = await request('GET', `/api/comments/${itemId}`);
    json = JSON.parse(res.body);
    if (json.comments.length === 0) throw new Error("Comment not found");
    console.log("Found comments:", json.comments.length);

    // 5. Test Subscribe
    console.log("Testing POST /api/subscribe/" + itemId);
    res = await request('POST', `/api/subscribe/${itemId}`, {}, sessionKey);
    console.log("Subscribe Response:", res.body);
    json = JSON.parse(res.body);
    if (!json.success) throw new Error("Subscribe failed");
    if (!json.subscribed) throw new Error("Expected subscribed=true");

    console.log("Testing Unsubscribe...");
    res = await request('POST', `/api/subscribe/${itemId}`, {}, sessionKey);
    json = JSON.parse(res.body);
    if (json.subscribed) throw new Error("Expected subscribed=false");

    console.log("ALL TESTS PASSED");
    process.exit(0);
};

runTest().catch(e => {
    console.error(e);
    process.exit(1);
});