<?php

namespace ADQS_Directory;

use ADQS_Directory\EmailSender;


if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

class Formhandler {


	/**
	 * Method __construct
	 *
	 * @return void
	 */
	public function __construct() {

		add_action( 'wp_loaded', [ $this, 'login_register_processor' ] );
	}


	private function g_recaptcha_error() {
		$recaptcha_secret = adqs_get_setting_option( 'reCAPTCHA_secret_key' );
		if ( empty( adqs_get_setting_option( 'log_reCAPTCHA_enable' ) ) || empty( $recaptcha_secret ) || empty( adqs_get_setting_option( 'reCAPTCHA_site_key' ) ) ) {
			return false;
		}
		$recaptcha_response = $_POST['g-recaptcha-response'] ?? '';

		if ( empty( $recaptcha_response ) ) {
			return esc_html__( 'CAPTCHA verification failed. Please try again.', 'adirectory' );
		}

		$response = wp_remote_post(
			'https://www.google.com/recaptcha/api/siteverify',
			[
				'body' => [
					'secret'   => $recaptcha_secret,
					'response' => $recaptcha_response,
					'remoteip' => $_SERVER['REMOTE_ADDR'] ?? '',
				],
			]
		);

		if ( is_wp_error( $response ) ) {
			return esc_html__( 'CAPTCHA verification error. Unable to contact Google servers.', 'adirectory' );
		}

		$response_body = wp_remote_retrieve_body( $response );
		$result        = json_decode( $response_body, true );

		if ( ( $result['success'] ?? '' ) === true ) {
			return false;
		}

		return esc_html__( 'CAPTCHA verification failed. Please try again.', 'adirectory' );
	}


	/**
	 * Method login_register_processor
	 *
	 * @return void
	 */
	public function login_register_processor() {
		if ( wp_doing_ajax() ) {
			return;
		}

		if ( isset( $_POST['adqs_login_regi_submit'] ) ) {

			if ( isset( $_POST['adqs_login_form'] ) ) {
				$this->process_login();
			} else {
				$this->process_registration();
			}
		}
	}

	/**
	 * Method process_login
	 *
	 * @return void
	 */
	public function process_login() {

		$login_nonce = isset( $_POST['adqs-login-nonce'] ) ? sanitize_text_field( wp_unslash( $_POST['adqs-login-nonce'] ) ) : '';

		if ( ! wp_verify_nonce( $login_nonce, 'adqs-login' ) ) {
			$this->display_error( 'Something went wrong!' );
			return;
		}

		if ( ! empty( $this->g_recaptcha_error() ) ) {
			$this->display_error( $this->g_recaptcha_error() );
			return;
		}

		$username = sanitize_text_field( wp_unslash( $_POST['log'] ) );
		$password = $_POST['password'];

		$credentials = [
			'user_login'    => $username,
			'user_password' => $password,
			'remember'      => isset( $_POST['keeplogged'] ) ? sanitize_text_field( $_POST['keeplogged'] ) : false,
		];

		$redirect = isset( $_POST['redirect_to'] ) ? sanitize_url( $_POST['redirect_to'] ) : ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];

		$user = wp_signon( $credentials, false );

		if ( is_wp_error( $user ) ) {
			$this->display_error( 'Something went wrong!' );
		} else {
			wp_redirect( $redirect );
			exit;
		}
	}

	/**
	 * Method process_registration
	 *
	 * @return void
	 */
	public function process_registration() {
		$regi_nonce = isset( $_POST['adqs-regi-nonce'] ) ? sanitize_text_field( wp_unslash( $_POST['adqs-regi-nonce'] ) ) : '';

		if ( ! wp_verify_nonce( $regi_nonce, 'adqs-regi' ) ) {
			$this->display_error( 'Something went wrong!' );
			return;
		}

		if ( ! empty( adqs_get_setting_option( 'reg_reCAPTCHA_enable' ) ) && ! empty( $this->g_recaptcha_error() ) ) {
			$this->display_error( $this->g_recaptcha_error() );
			return;
		}

		$terms            = isset( $_POST['termscondition'] ) ? true : false;
		$newsletter_check = isset( $_POST['newsletter_check'] ) ? true : false;

		if ( ! $terms ) {
			$this->display_error( 'You must accept terms and privacy poilcy' );
			return;
		}

		$firstname = isset( $_POST['fname'] ) ? sanitize_text_field( wp_unslash( $_POST['fname'] ) ) : '';
		$lastname  = isset( $_POST['lname'] ) ? sanitize_text_field( wp_unslash( $_POST['lname'] ) ) : '';

		$username = $firstname . ' ' . $lastname;

		$password         = isset( $_POST['password'] ) ? trim( $_POST['password'] ) : '';
		$confirm_password = isset( $_POST['confirmpass'] ) ? trim( $_POST['confirmpass'] ) : '';
		$email            = isset( $_POST['email'] ) ? sanitize_email( $_POST['email'] ) : '';

		if ( ! username_exists( $username ) && $password === $confirm_password && ! empty( $email ) ) {
			$user_id = wp_insert_user(
				[
					'user_login' => $username,
					'user_email' => $email,
					'user_pass'  => $password,
					'role'       => 'subscriber',
				]
			);

			if ( is_wp_error( $user_id ) ) {
				$this->display_error( 'Something went wrong!' );
			}

			if ( ! is_wp_error( $user_id ) ) {
				do_action( 'adqs_after_new_registration', $user_id, $firstname, $lastname, $email, $newsletter_check );
				$this->display_success( 'Registration completed do login ' );
			}
		} else {
			$this->display_error( 'Username already exists or password doesn’t match!' );
		}
	}

	/**
	 * Method display_error
	 *
	 * @param $message $message [explicite description]
	 *
	 * @return void
	 */
	public function display_error( $message ) {
		add_action(
			'adqs_regi_login_error',
			function () use ( $message ) {
				echo "<div class='adqs-login-regi-error'>{$message}</div>";
			}
		);
	}


	public function display_success( $message ) {
		add_action(
			'adqs_regi_login_error',
			function () use ( $message ) {
				echo "<div class='adqs-login' style='color: #008000;margin-top:20px'>{$message}</div>";
			}
		);
	}
}