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

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

/** @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 }) => {
    const formData = await request.formData();
    /** @type {Record<string, string>} */
    const updateData = {};

    // Convert FormData to a plain object
    formData.forEach((value, key) => {
      if (typeof value === "string" && value !== "") {
        updateData[key] = value;
      }
    });

    const apiURL = `${BASE_API_URI}/backend/users/update/`;

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

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

    const response = await res.json();

    locals.user = response;

    if (locals.user.date_of_birth) {
      locals.user.date_of_birth = response["date_of_birth"].split("T")[0];
    }
    if (locals.user.membership?.start_date) {
      locals.user.membership.start_date =
        locals.user.membership.start_date.split("T")[0];
    }
    if (locals.user.membership?.end_date) {
      locals.user.membership.end_date =
        locals.user.membership.end_date.split("T")[0];
    }
    throw redirect(303, `/auth/about/${response.id}`);
  },
  /**
   *
   * @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
   */
  uploadImage: async ({ request, fetch, cookies }) => {
    const formData = await request.formData();

    /** @type {RequestInit} */
    const requestInitOptions = {
      method: "POST",
      headers: {
        Cookie: `jwt=${cookies.get("jwt")}`,
      },
      body: formData,
    };

    const res = await fetch(`${BASE_API_URI}/file/upload/`, requestInitOptions);

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

    const response = await res.json();

    return {
      success: true,
      thumbnail: response["s3_url"],
    };
  },
  /**
   *
   * @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
   */
  deleteImage: async ({ request, fetch, cookies }) => {
    const formData = await request.formData();

    /** @type {RequestInit} */
    const requestInitOptions = {
      method: "DELETE",
      headers: {
        Cookie: `jwt=${cookies.get("jwt")}`,
      },
      body: formData,
    };

    const res = await fetch(`${BASE_API_URI}/file/delete/`, requestInitOptions);

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

    return {
      success: true,
      thumbnail: "",
    };
  },
};