import { BASE_API_URI } from "$lib/utils/constants";
import { fail, redirect } from "@sveltejs/kit";

/** @type {import('./$types').PageServerLoad} */
export async function load({ locals }) {
  // redirect user if not logged in
  if (!locals.user) {
    throw redirect(302, `/auth/login?next=/`);
  }
}

/** @type {import('./$types').Actions} */
export const actions = {
  default: async ({ fetch, cookies }) => {
    /** @type {RequestInit} */
    const requestInitOptions = {
      method: "POST",
      credentials: "include",
      headers: {
        "Content-Type": "application/json",
        Cookie: `jwt=${cookies.get("jwt")}`,
      },
    };

    const res = await fetch(
      `${BASE_API_URI}/backend/users/logout/`,
      requestInitOptions
    );

    if (!res.ok) {
      const response = await res.json();
      const errors = [];
      errors.push({ error: response.error, id: 0 });
      return fail(400, { errors: errors });
    }

    // eat the cookie
    cookies.delete("jwt", { path: "/" });

    // The server should clear the cookie, so we don't need to handle it here
    // Just check if the cookie is cleared in the response
    const setCookieHeader = res.headers.get("set-cookie");
    if (!setCookieHeader || !setCookieHeader.includes("jwt=;")) {
      console.error("JWT cookie not cleared in response");
      return fail(500, {
        errors: [
          {
            error: "Server error: Failed to clear authentication token",
            id: Date.now(),
          },
        ],
      });
    }
    // redirect the user
    throw redirect(302, "/auth/login");
  },
};