// - Add authentication check to ensure only admins can access this route.
// - Implement a load function to fetch a list of all users.
// - Create actions for updating user information (similar to the about/[id] route).

import { BASE_API_URI } from "$lib/utils/constants";
import { formatError, userDatesFromRFC3339 } from "$lib/utils/helpers";
import { fail, redirect } from "@sveltejs/kit";
import { toRFC3339 } from "$lib/utils/helpers";

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

/** @type {import('./$types').Actions} */
export const actions = {
  /**
   *
   * @param request - The request object
   * @param fetch - Fetch object from sveltekit
   * @param cookies - SvelteKit's cookie object
   * @param locals - The local object, housing current user
   * @returns Error data or redirects user to the home page or the previous page
   */
  updateUser: async ({ request, fetch, cookies, locals }) => {
    let formData = await request.formData();

    const licenceCategories = formData
      .getAll("licence_categories[]")
      .filter((value) => typeof value === "string")
      .map((value) => {
        try {
          return JSON.parse(value);
        } catch (e) {
          console.error("Failed to parse licence category:", value);
          return null;
        }
      })
      .filter(Boolean);

    /** @type {Partial<App.Locals['user']>} */
    const updateData = {
      id: Number(formData.get("id")),
      first_name: String(formData.get("first_name")),
      last_name: String(formData.get("last_name")),
      email: String(formData.get("email")),
      phone: String(formData.get("phone")),
      notes: String(formData.get("notes")),
      address: String(formData.get("address")),
      zip_code: String(formData.get("zip_code")),
      city: String(formData.get("city")),
      date_of_birth: toRFC3339(formData.get("birth_date")),
      company: String(formData.get("company")),
      profile_picture: String(formData.get("profile_picture")),
      membership: {
        id: Number(formData.get("membership_id")),
        start_date: toRFC3339(formData.get("membership_start_date")),
        end_date: toRFC3339(formData.get("membership_end_date")),
        status: Number(formData.get("membership_status")),
        parent_member_id: Number(formData.get("parent_member_id")),
        subscription_model: {
          id: Number(formData.get("subscription_model_id")),
          name: String(formData.get("subscription_model_name")),
        },
      },
      bank_account: {
        id: Number(formData.get("bank_account_id")),
        mandate_date_signed: toRFC3339(
          String(formData.get("mandate_date_signed"))
        ),
        bank: String(formData.get("bank")),
        account_holder_name: String(formData.get("account_holder_name")),
        iban: String(formData.get("iban")),
        bic: String(formData.get("bic")),
        mandate_reference: String(formData.get("mandate_reference")),
      },
      licence: {
        id: Number(formData.get("drivers_licence_id")),
        status: Number(formData.get("licence_status")),
        licence_number: String(formData.get("licence_number")),
        issued_date: toRFC3339(formData.get("issued_date")),
        expiration_date: toRFC3339(formData.get("expiration_date")),
        country: String(formData.get("country")),
        licence_categories: licenceCategories,
      },
    };
    // Remove undefined or null properties
    const cleanUpdateData = JSON.parse(
      JSON.stringify(updateData),
      (key, value) => (value !== null && value !== "" ? value : undefined)
    );
    console.dir(formData);
    console.dir(cleanUpdateData);
    const apiURL = `${BASE_API_URI}/backend/users/update/`;

    /** @type {RequestInit} */
    const requestUpdateOptions = {
      method: "PATCH",
      credentials: "include",
      headers: {
        "Content-Type": "application/json",
        Cookie: `jwt=${cookies.get("jwt")}`,
      },
      body: JSON.stringify(cleanUpdateData),
    };
    const res = await fetch(apiURL, requestUpdateOptions);

    if (!res.ok) {
      const response = await res.json();
      const errors = formatError(response.errors);
      return fail(400, { errors: errors });
    }

    const response = await res.json();
    locals.user = response;
    userDatesFromRFC3339(locals.user);
    throw redirect(303, `/auth/about/${response.id}`);
  },
};