import { Request, Response } from "express";
import { compareSync, genSaltSync, hashSync } from "bcrypt-ts";
import jwt from 'jsonwebtoken';

import { AppDataSource } from '../data-source';
import { User } from "../entity/User";
import { Post } from "../entity/Post";

class UserController {
    async register(req: Request, res: Response): Promise<void> {
        const { username, password } = req.body;

        const user = new User();
        user.username = username;
        user.password_hash = hashSync(password, genSaltSync(10));

        const userId = (await AppDataSource.manager.save(user)).id;

        res.cookie("jwt", jwt.sign({ username, id: userId }, process.env.JWT_SECRET));
        res.status(200).redirect("/");
    }

    async login(req: Request, res: Response): Promise<void> {
        const { username, password } = req.body;

        let savedUser = (await AppDataSource.manager.findOneBy(User, { username }));
        if (!compareSync(password, savedUser.password_hash)) {
            res.status(401).send("Incorrect password");
            return;
        }
        res.cookie("jwt", jwt.sign({ username, id: savedUser.id }, process.env.JWT_SECRET));
        res.status(200).redirect("/");
    }

    async getPosts(req: Request, res: Response): Promise<void> {
        const { userId } = req.params;

        const posts = await AppDataSource.manager.findBy(Post, {authorId: Number.parseInt(userId)});
        console.log(posts);
        
        res.status(200).send(posts);
    }
}

export default new UserController();