import useDatabase from '~/composables/useDatabase';
import { schema } from '~/schemas/registration';

export default defineEventHandler(async (e) => {
    const body = await readValidatedBody(e, schema.safeParse);

    if(!body.success)
        return body.error;

    const db = useDatabase();

    const usernameQuery = db.query(`SELECT COUNT(*) as count FROM users WHERE username = ?1`);
    const checkUsername = usernameQuery.get(body.data.username);

    const emailQuery = db.query(`SELECT COUNT(*) as count FROM users WHERE email = ?1`);
    const checkEmail = emailQuery.get(body.data.email);

    const errors = [];
    if(checkUsername.count !== 0)
        errors.push({ path: ['username'], message: "Ce nom d'utilisateur est déjà utilisé" });
    if(checkEmail.count !== 0)
        errors.push({ path: ['email'], message: "Cette adresse mail est déjà utilisée" });

    if(errors.length > 0)
        throw createError({ status: 406, message: "duplicates", data: errors });
    else
    {
        const hash = await Bun.password.hash(body.data.password);
        const registration = db.query(`INSERT INTO users(username, email, hash) VALUES(?1, ?2, ?3)`);
        const result = registration.get(body.data.username, body.data.email, hash);

        setResponseStatus(e, 201, "Created");
        return { success: true };
    }
});