import { Controller } from "@hotwired/stimulus";

// Controller for handling user logout functionality
// Sends a DELETE request to the server to sign out the user
export default class extends Controller {
  // Define controller values
  static values = {
    url: String,  // Optional URL for logout endpoint
  };

  // Log when the controller is mounted
  connect() {
    // Display a message when the controller is mounted
    console.log("LogoutController mounted", this.element);
  }

  // Handle the sign out action
  signOut(event) {
    event.preventDefault();
    console.log("User clicked on logout button.");

    // Ensure user wants to disconnect with a confirmation request
    // if (this.hasUrlValue && !confirm(this.element.dataset.confirm)) { return; }

    // Retrieve the csrf token from header for security
    const csrfToken = document.querySelector("[name='csrf-token']").content;

    // Define url to redirect user when action is valid
    let url = this.hasUrlValue ? this.urlValue : this.element.href;
    // Ensure the URL is using the correct path prefix
    if (url && !url.includes('/auth/sign_out')) {
      url = url.replace('/users/sign_out', '/auth/sign_out');
    }

    // Use fetch to send logout request
    fetch(url, {
      method: "DELETE",
      headers: {
        "X-CSRF-Token": csrfToken,
        Accept: "application/json",
        "Content-Type": "application/json",
      },
      credentials: "same-origin",
    })
      .then((response) => {
        // console.log(this.element.dataset.redirectUrlValue); // By default, we does not return anything.

        // By default the response does not include any url.
        // Redirect to default login page (redirectUrlValue)
        if (response.redirected) {
          window.location.href = response.url;
        } else if (this.element.dataset.redirectUrlValue) {
          window.location.href = this.element.dataset.redirectUrlValue;
          return;
        }
        window.location.href = "/";
      })
      .catch((error) => {
        console.error("Error during sign out:", error);
      });
  }
}