<?php
if ( ! defined( 'ABSPATH' ) ) exit;

class Net360_360CH_Ajax {
    public function __construct() {
        add_action( 'wp_ajax_n360wp_save_lead', array( $this, 'save_lead' ) );
        add_action( 'wp_ajax_nopriv_n360wp_save_lead', array( $this, 'save_lead' ) );
    }
    public function save_lead() {
        check_ajax_referer( 'n360wp_lead_nonce', 'nonce' );

        $name    = isset( $_POST['name'] ) ? sanitize_text_field( wp_unslash( $_POST['name'] ) ) : '';
        $email   = isset( $_POST['email'] ) ? sanitize_email( wp_unslash( $_POST['email'] ) ) : '';
        $agent   = isset( $_POST['agent'] ) ? sanitize_text_field( wp_unslash( $_POST['agent'] ) ) : '';
        $message = isset( $_POST['message'] ) ? sanitize_textarea_field( wp_unslash( $_POST['message'] ) ) : '';
        $page    = isset( $_POST['page'] ) ? esc_url_raw( wp_unslash( $_POST['page'] ) ) : '';

        if ( '' === $name || '' === $message || ! is_email( $email ) ) {
            wp_send_json_error( array( 'message' => __( 'Completa correctamente todos los campos.', '360-connect-hub' ) ), 400 );
        }
        if ( strlen( $message ) < 3 ) {
            wp_send_json_error( array( 'message' => __( 'El mensaje es demasiado corto.', '360-connect-hub' ) ), 400 );
        }

        $country = $this->detect_country();
        $inserted = Net360_360CH_Leads::insert( compact( 'name', 'email', 'agent', 'message', 'page', 'country' ) );

        if ( false === $inserted ) {
            wp_send_json_error( array( 'message' => __( 'No se pudo guardar el lead.', '360-connect-hub' ) ), 500 );
        }
        wp_send_json_success();
    }
    private function detect_country() {
        if ( ! get_option( 'n360wp_country_detection', 1 ) ) return '';
        if ( ! empty( $_SERVER['HTTP_CF_IPCOUNTRY'] ) ) return sanitize_text_field( wp_unslash( $_SERVER['HTTP_CF_IPCOUNTRY'] ) );
        $ip = isset( $_SERVER['REMOTE_ADDR'] ) ? sanitize_text_field( wp_unslash( $_SERVER['REMOTE_ADDR'] ) ) : '';
        if ( ! $ip || ! filter_var( $ip, FILTER_VALIDATE_IP ) || $this->is_private_ip( $ip ) ) return '';
        $url = 'https://free.freeipapi.com/api/json/' . rawurlencode( $ip );
        $response = wp_remote_get( $url, array(
            'timeout'     => 3,
            'redirection' => 0,
            'headers'     => array(
                'Accept'     => 'application/json',
                'User-Agent' => '360-Chat/' . NET360_360CH_VERSION . '; ' . home_url( '/' ),
            ),
        ) );
        if ( is_wp_error( $response ) ) return '';
        $body = wp_remote_retrieve_body( $response );
        $data = json_decode( $body, true );
        $country = isset( $data['countryCode'] ) ? strtoupper( sanitize_text_field( $data['countryCode'] ) ) : '';
        return preg_match( '/^[A-Z]{2}$/', $country ) ? $country : '';
    }
    private function is_private_ip( $ip ) {
        return ! filter_var( $ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE );
    }
}