const BASE_URL = import.meta.env.VITE_API_URL;

const makePostRequest = async (
  url: string,
  body: object,
  error = "Une erreur est survenue",
  method = "POST"
) => {
  const response = await fetch(BASE_URL + url, {
    method,
    headers: {
      "Content-Type": "application/json",
      "Accept": "application/json",
    },
    body: JSON.stringify(body),
    credentials: "include", // Include cookies for authentication
  });

  const data = await response.json();
  if (!response.ok) throw new Error(data.error || error);
  return data?.data || data;
};

// TODO: Use swr or react-query for caching and revalidation
// TODO: Cache all to localStorage or IndexedDB for offline support
const makeRequest = async (
  url: string,
  error = "Une erreur est survenue",
) => {
  const response = await fetch(BASE_URL + url, { credentials: "include"});

  const data = await response.json();
  if (!response.ok) throw new Error(data.error || error);
  return data?.data || data;
};

/**
 * === AUTH API ===
 */
export const requestLogin = async (email: string, token: string) => {
  return makePostRequest(
    "/auth/request",
    { email, token },
    "Échec de la demande de connexion"
  );
};

export const verifyOtp = async ({
  otpCode,
  email,
}: {
  otpCode: string;
  email: string;
}) => {
  return makePostRequest(
    "/auth/verify",
    { email, code: otpCode },
    "Code de vérification invalide"
  );
};

export const getClasses = async () => {
  try {
    const res = await fetch("/classes.json");
    return res.json();
  } catch (error) {
    console.error("Error fetching classes:", error);
    return [];
  }
};

export const registerUser = async (
  firstName: string,
  lastName: string,
  className: string,
  token: string
) => {
  return makePostRequest(
    "/auth/register",
    { firstName, lastName, className, token },
    "Échec de l'inscription"
  );
};

/**
 * === COLLES API ===
 */
export const getColles = async (weekNumber: number, year: number) => {
  return makeRequest(`/colles?week=${weekNumber}&year=${year}`, "Échec de la récupération des colles");
};