import { backend } from "$lib/backend";
import { error, type Actions } from "@sveltejs/kit";
import { redirect } from 'sveltekit-flash-message/server';


export const actions = {
    default: async (event) => {

        const { request } = event;

        const data = await request.formData();
        const username = data.get('username');
        const password = data.get('password');
        const remember = !!data.get('remember');

        const backend2 = await backend.withEvent(event).oath();
        const resp = await backend2.submitJson('login', {
                username,
                password,
                remember
            });

        const { status } = resp;
        const respData = await resp.json();

        if ([200, 204].indexOf(status) < 0) {
            // login error
            console.log(`/login: status ${status}, data below`);
            console.debug(respData);
            switch(status) {
                case 400:
                    redirect({message: 'Invalid login'}, event);
                    break;
                case 404:
                    redirect({message: 'Invalid username or password'}, event);
                    break;
                case 403:
                    redirect({message: 'Login not allowed'}, event);
                    break;
                default:
                    redirect({message: `Unknown error (HTTP ${status})`}, event);
                    break;
            }
        } else {
            // login success
            const { id: myId } = respData;

            redirect(303, "/user/" + myId);
        }
    }
} satisfies Actions;