import axios from "axios";
import Keycloak, { type KeycloakProfile } from "keycloak-js";
import { routes } from "Routes/Routes";

const keycloak = new Keycloak({
  url: import.meta.env.VITE_KEYCLOAK_URL
    ? import.meta.env.VITE_KEYCLOAK_URL
    : "",
  realm: "quant_sim-realm",
  clientId: "react-frontend",
});

export default keycloak;

export async function getProfile(keycloak: Keycloak) {
  return keycloak.loadUserProfile();
}

export const updateUserData = async (
  profile: KeycloakProfile,
): Promise<KeycloakProfile | undefined> => {
  try {
    await keycloak.updateToken(30);
    const response = await axios.post(
      `${keycloak.authServerUrl}/realms/${keycloak.realm}/account/`,
      {
        firstName: profile.firstName,
        lastName: profile.lastName,
        email: profile.email,
        username: profile.username,
        attributes: profile.attributes || {},
      },
      {
        headers: {
          "Content-Type": "application/json",
          Authorization: `Bearer ${keycloak.token}`,
        },
        withCredentials: true, // Important: allows credentials in CORS
      },
    );
    if (response.status === 204) {
      // Refresh the local profile after successful update
      const updatedProfile = await keycloak.loadUserProfile();
      return updatedProfile;
    }
  } catch (err) {
    console.error(err);
  }
};

export const updatePasswordWithRedirect = async (
  successRedirectUrl?: string,
) => {
  try {
    await keycloak.updateToken(30);

    // Trigger the UPDATE_PASSWORD required action
    // This will redirect the user to Keycloak's password change page
    return keycloak.login({
      action: "UPDATE_PASSWORD",
      redirectUri:
        successRedirectUrl ||
        window.location.origin +
          "/" +
          routes.SettingsPage.path +
          "?password_updated=true",
      // Optional: Force re-authentication
      prompt: "login",
    });
  } catch (error) {
    console.error("Failed to initiate password update:", error);
    throw error;
  }
};

export const SendEmailVerification = async () => {
  try {
    await keycloak.updateToken(30);

    // Trigger the UPDATE_PASSWORD required action
    // This will redirect the user to Keycloak's password change page
    return keycloak.login({
      action: "VERIFY_EMAIL",
      redirectUri:
        window.location.origin +
        "/" +
        routes.SettingsPage.path +
        "?email_sent=true",
    });
  } catch (error) {
    console.error("Failed to initiate password update:", error);
    throw error;
  }
};