import { dev } from "$app/environment";
import { API_URL } from "$env/static/private";

import type { Actions, PageServerLoad } from "./$types";

import { redirect } from "@sveltejs/kit";

import { fail, setError, superValidate } from "sveltekit-superforms";
import { zod } from "sveltekit-superforms/adapters";

import { COOKIES } from "$lib/constants";

import { formConfirmationSchema, formSchema } from "./schema";

export const load: PageServerLoad = async ({ locals }) => {
  if (locals.user) {
    redirect(302, "/");
  }

  return {
    title: 'Réinitialisation du mot de passe',
    
    form: await superValidate(zod(formSchema)),
    formConfirmation: await superValidate(zod(formConfirmationSchema))
  }
};

export const actions: Actions = {
  request: async ({ request, fetch }) => {
    const form = await superValidate(request, zod(formSchema));

    if (!form.valid) {
      return fail(400, { form });
    }

    const res = await fetch(API_URL + '/user/fpw', {
      method: 'POST',
      body: JSON.stringify({
        email: form.data.email
      })
    });

    if (!res.ok) {
      return setError(form, 'email', "Une erreur s'est produite ou l'email n'existe pas");
    }

    return {
      form
    }
  },
  confirmation: async ({ request, cookies, fetch, url: { searchParams } }) => {
    const form = await superValidate(request, zod(formConfirmationSchema));

    if (!form.valid) {
      return fail(400, { form });
    }

    const res = await fetch(`${API_URL}/user/fpw`, {
      method: 'POST',
      body: JSON.stringify({
        email: form.data.email,
        password: form.data.password,
        code: form.data.code
      })
    });

    if (!res.ok) {
      if (res.status === 400) {
        return setError(form, 'code', "Le code de confirmation est incorrect");
      }

      return setError(form, 'code', "Une erreur est survenue, veuillez réessayer plus tard");
    }

    const token = res.headers.get('Authorization')?.split('Bearer ').pop();

    if (!token) {
      return setError(form, 'code', "Une erreur est survenue, veuillez réessayer plus tard");
    }

    cookies.set(COOKIES.SESSION, token, {
      path: '/',
      secure: !dev,
      sameSite: 'strict'
    });

    const redirectTo = searchParams.get('redirectTo');

    if (redirectTo) redirect(302, `/${redirectTo.slice(1)}`);

    redirect(302, '/');
  }
};