<?php

namespace Hostinger\EasyOnboarding;

use Hostinger\WpHelper\Utils;
use Hostinger\WpMenuManager\Menus;
use Hostinger\EasyOnboarding\Admin\Actions;
use Hostinger\EasyOnboarding\Admin\Onboarding\Onboarding;

defined( 'ABSPATH' ) || exit;

class Helper {

    public const HOSTINGER_FREE_SUBDOMAIN_URL     = 'hostingersite.com';
    public const HOSTINGER_DEV_FREE_SUBDOMAIN_URL = 'hostingersite.dev';
    public const CLIENT_WOO_COMPLETED_ACTIONS     = 'woocommerce_task_list_tracked_completed_tasks';
    private const PROMOTIONAL_LINKS               = array(
        'fr_FR' => 'https://www.hostinger.fr/cpanel-login?r=%2Fjump-to%2Fnew-panel%2Fsection%2Freferrals&utm_source=Banner&utm_medium=HostingerWPplugin',
        'es_ES' => 'https://www.hostinger.es/cpanel-login?r=%2Fjump-to%2Fnew-panel%2Fsection%2Freferrals&utm_source=Banner&utm_medium=HostingerWPplugin',
        'ar'    => 'https://www.hostinger.ae/cpanel-login?r=%2Fjump-to%2Fnew-panel%2Fsection%2Freferrals&utm_source=Banner&utm_medium=HostingerWPplugin',
        'zh_CN' => 'https://www.hostinger.com.hk/cpanel-login?r=%2Fjump-to%2Fnew-panel%2Fsection%2Freferrals&utm_source=Banner&utm_medium=HostingerWPplugin',
        'id_ID' => 'https://www.hostinger.co.id/cpanel-login?r=%2Fjump-to%2Fnew-panel%2Fsection%2Freferrals&utm_source=Banner&utm_medium=HostingerWPplugin',
        'lt_LT' => 'https://www.hostinger.lt/cpanel-login?r=%2Fjump-to%2Fnew-panel%2Fsection%2Freferrals&utm_source=Banner&utm_medium=HostingerWPplugin',
        'pt_PT' => 'https://www.hostinger.pt/cpanel-login?r=%2Fjump-to%2Fnew-panel%2Fsection%2Freferrals&utm_source=Banner&utm_medium=HostingerWPplugin',
        'uk'    => 'https://www.hostinger.com.ua/cpanel-login?r=%2Fjump-to%2Fnew-panel%2Fsection%2Freferrals&utm_source=Banner&utm_medium=HostingerWPplugin',
        'tr_TR' => 'https://www.hostinger.com.tr/cpanel-login?r=%2Fjump-to%2Fnew-panel%2Fsection%2Freferrals&utm_source=Banner&utm_medium=HostingerWPplugin',
        'en_US' => 'https://www.hostinger.com/cpanel-login?r=%2Fjump-to%2Fnew-panel%2Fsection%2Freferrals&utm_source=Banner&utm_medium=HostingerWPplugin',
    );
    const HOSTINGER_LOCALES                       = array(
        'lt_LT' => 'hostinger.lt',
        'uk_UA' => 'hostinger.com.ua',
        'id_ID' => 'hostinger.co.id',
        'en_US' => 'hostinger.com',
        'es_ES' => 'hostinger.es',
        'es_AR' => 'hostinger.com.ar',
        'es_MX' => 'hostinger.mx',
        'es_CO' => 'hostinger.co',
        'pt_BR' => 'hostinger.com.br',
        'ro_RO' => 'hostinger.ro',
        'fr_FR' => 'hostinger.fr',
        'it_IT' => 'hostinger.it',
        'pl_PL' => 'hostinger.pl',
        'en_PH' => 'hostinger.ph',
        'ar_AE' => 'hostinger.ae',
        'ms_MY' => 'hostinger.my',
        'ko_KR' => 'hostinger.kr',
        'vi_VN' => 'hostinger.vn',
        'th_TH' => 'hostinger.in.th',
        'tr_TR' => 'hostinger.web.tr',
        'pt_PT' => 'hostinger.pt',
        'de_DE' => 'hostinger.de',
        'en_IN' => 'hostinger.in',
        'ja_JP' => 'hostinger.jp',
        'nl_NL' => 'hostinger.nl',
        'en_GB' => 'hostinger.co.uk',
        'el_GR' => 'hostinger.gr',
        'cs_CZ' => 'hostinger.cz',
        'hu_HU' => 'hostinger.hu',
        'sv_SE' => 'hostinger.se',
        'da_DK' => 'hostinger.dk',
        'fi_FI' => 'hostinger.fi',
        'sk_SK' => 'hostinger.sk',
        'no_NO' => 'hostinger.no',
        'hr_HR' => 'hostinger.hr',
        'zh_HK' => 'hostinger.com.hk',
        'he_IL' => 'hostinger.co.il',
        'lv_LV' => 'hostinger.lv',
        'et_EE' => 'hostinger.ee',
        'ur_PK' => 'hostinger.pk',
    );

    public const HOMEPAGE_DISPLAY = 'page';

    private const HPANEL_DOMAIN_URL = 'https://hpanel.hostinger.com/websites/';

    public const HIDE_ADDONS_BANNER = 'hostinger_hide_addons_banner';
    public const HIDE_REACH_BANNER  = 'hostinger_hide_reach_banner';

    /**
     *
     * Check if plugin is active
     *
     * @since    1.0.0
     * @access   public
     */
    public static function is_plugin_active( $plugin_slug ): bool {
        $active_plugins = (array) get_option( 'active_plugins', array() );
        foreach ( $active_plugins as $active_plugin ) {
            if ( strpos( $active_plugin, $plugin_slug . '.php' ) !== false ) {
                return true;
            }
        }

        return false;
    }

    public static function get_api_token(): string {
        $api_token  = '';
        $token_file = HOSTINGER_EASY_ONBOARDING_WP_TOKEN;

        if ( file_exists( $token_file ) && ! empty( file_get_contents( $token_file ) ) ) {
            $api_token = file_get_contents( $token_file );
        }

        return $api_token;
    }

    /**
     *
     * Get the host info (domain, subdomain, subdirectory)
     *
     * @since    1.7.0
     * @access   public
     */
    public function get_host_info(): string {
        $host     = isset( $_SERVER['HTTP_HOST'] ) ? sanitize_text_field( $_SERVER['HTTP_HOST'] ) : '';
        $site_url = get_site_url();
        $site_url = preg_replace( '#^https?://#', '', $site_url );

        if ( ! empty( $site_url ) && ! empty( $host ) && strpos( $site_url, $host ) === 0 ) {
            if ( $site_url === $host ) {
                return $host;
            } else {
                return substr( $site_url, strlen( $host ) + 1 );
            }
        }

        return $host;
    }

    public function is_preview_domain(): bool {
        if ( function_exists( 'getallheaders' ) ) {
            $headers = getallheaders();
        }

        if ( isset( $headers['X-Preview-Indicator'] ) && $headers['X-Preview-Indicator'] ) {
            return true;
        }

        return false;
    }

    public function is_free_subdomain(): bool {
        $site_url = preg_replace( '#^https?://#', '', get_site_url() );

        return ! empty( $site_url ) && ( strpos( $site_url, self::HOSTINGER_FREE_SUBDOMAIN_URL ) !== false || strpos( $site_url, self::HOSTINGER_DEV_FREE_SUBDOMAIN_URL ) );
    }

    /**
     *
     * Error log
     *
     * @since    1.9.6
     * @access   public
     */
    public function error_log( string $message ): void {
        if ( defined( 'WP_DEBUG' ) && \WP_DEBUG === true ) {
            error_log( print_r( $message, true ) );
        }
    }

    public function default_woocommerce_survey_steps_completed( array $steps ): bool {
        $completed_actions = get_option( self::CLIENT_WOO_COMPLETED_ACTIONS, array() );

        return empty( array_diff( $steps, $completed_actions ) );
    }

    public function is_this_page( string $page ): bool {

        if ( ! isset( $_SERVER['REQUEST_URI'] ) ) {
            return false;
        }

        $current_uri = sanitize_text_field( $_SERVER['REQUEST_URI'] );

        if ( defined( 'DOING_AJAX' ) && \DOING_AJAX ) {
            return false;
        }

        if ( isset( $current_uri ) && strpos( $current_uri, '/wp-json/' ) !== false ) {
            return false;
        }

        if ( strpos( $current_uri, $page ) !== false ) {
            return true;
        }

        return false;
    }

    public function get_promotional_link_url( string $locale ): string {
        if ( isset( self::PROMOTIONAL_LINKS[ $locale ] ) ) {
            return self::PROMOTIONAL_LINKS[ $locale ];
        }

        return self::PROMOTIONAL_LINKS['en_US'];
    }

    public function get_hpanel_domain_url(): string {
        $parsed_url = parse_url( get_site_url() );
        $host       = $parsed_url['host'];
        $host_parts = explode( '.', $host );
        $subdomain  = ( count( $host_parts ) > 2 ) ? array_shift( $host_parts ) . '.' : '';
        $domain     = implode( '.', $host_parts );

        return self::HPANEL_DOMAIN_URL . $domain . ( $subdomain ? "/wordpress/dashboard/$subdomain$domain" : '' );
    }

    public function check_transient_eligibility( $transient_request_key, $cache_time = 3600 ): bool {
        try {
            // Set transient.
            set_transient( $transient_request_key, true, $cache_time );

            // Check if transient was set successfully.
            if ( false === get_transient( $transient_request_key ) ) {
                throw new \Exception( 'Unable to create transient in WordPress.' );
            }

            // If everything is fine, return true.
            return true;
        } catch ( \Exception $exception ) {
            // If there's an exception, log the error and return false.
            $this->error_log( 'Error checking eligibility: ' . $exception->getMessage() );

            return false;
        }
    }

    public static function woocommerce_onboarding_choice(): bool {
        return (bool) get_option( 'hostinger_woo_onboarding_choice', false );
    }

    /**
     * @return bool
     */
    public static function is_woocommerce_site(): bool {
        return class_exists( 'WooCommerce' );
    }

    /**
     * @return bool
     */
    public static function show_woocommerce_onboarding(): bool {
        $woo_onboarding_enabled     = get_option( 'hostinger_woo_onboarding_enabled', false );
        $woo_setup_wizard_completed = get_option( 'woocommerce_onboarding_profile', false );

        return ( self::is_woocommerce_site() && ! self::woocommerce_onboarding_choice() && $woo_onboarding_enabled && ! $woo_setup_wizard_completed );
    }

    /**
     * @return bool
     */
    public function can_show_store_ready_message(): bool {
        if ( ! self::is_woocommerce_site() || ! self::woocommerce_onboarding_choice() ) {
            return false;
        }

        $store_ready_message_shown = get_option( 'hostinger_woo_ready_message_shown', null );

        if ( $store_ready_message_shown === null ) {
            return false;
        }

        if ( (int) $store_ready_message_shown !== 0 ) {
            return false;
        }

        if ( ! $this->default_woocommerce_survey_completed() ) {
            return false;
        }

        return true;
    }

    public function default_woocommerce_survey_completed(): bool {
        $completed_actions          = get_option( self::CLIENT_WOO_COMPLETED_ACTIONS, array() );
        $required_completed_actions = array( 'products', 'payments' );

        return empty( array_diff( $required_completed_actions, $completed_actions ) );
    }

    /**
     * @param string $plugin_slug
     *
     * @return string | \WP_Error
     */
    public function get_plugin_main_file( string $plugin_slug ): string|\WP_Error {
        $plugin_dir = WP_PLUGIN_DIR . '/' . $plugin_slug;
        if ( ! is_dir( $plugin_dir ) ) {
            return new \WP_Error( 'plugin_not_found', __( 'Plugin directory not found', 'hostinger-easy-onboarding' ) );
        }

        $plugin_files = glob( $plugin_dir . '/*.php' );
        if ( empty( $plugin_files ) ) {
            return new \WP_Error( 'plugin_file_not_found', __( 'No PHP files found in plugin directory', 'hostinger-easy-onboarding' ) );
        }

        foreach ( $plugin_files as $plugin_file ) {
            $plugin_data = get_plugin_data( $plugin_file, false, false );
            if ( ! empty( $plugin_data['Name'] ) ) {
                return $plugin_slug . '/' . basename( $plugin_file );
            }
        }

        return new \WP_Error( 'plugin_main_file_not_found', __( 'Plugin main file not found', 'hostinger-easy-onboarding' ) );
    }

    public function is_woocommerce_store_ready(): bool {
        $store_steps = Actions::get_category_action_lists()[ Onboarding::HOSTINGER_EASY_ONBOARDING_STORE_STEP_CATEGORY_ID ] ?? array();

        $onboarding = new Onboarding();

        if (
            ! $onboarding->is_completed( Onboarding::HOSTINGER_EASY_ONBOARDING_STORE_STEP_CATEGORY_ID, Actions::ADD_PAYMENT ) ||
            ! $onboarding->is_completed( Onboarding::HOSTINGER_EASY_ONBOARDING_STORE_STEP_CATEGORY_ID, Actions::ADD_PRODUCT )
        ) {
            return false;
        }

        return true;
    }

    public function is_woocommerce_onboarding_completed(): bool {
        $all_woo_steps = Actions::get_category_action_lists()[ Onboarding::HOSTINGER_EASY_ONBOARDING_STORE_STEP_CATEGORY_ID ];
        $onboarding    = new Onboarding();

        foreach ( $all_woo_steps as $step ) {
            if ( ! $onboarding->is_completed( Onboarding::HOSTINGER_EASY_ONBOARDING_STORE_STEP_CATEGORY_ID, $step ) ) {
                return false;
            }
        }

        return true;
    }

    public static function should_skip_event(): bool {
        return ( defined( 'DOING_AUTOSAVE' ) && \DOING_AUTOSAVE ) ||
            ( defined( 'WP_CLI' ) && \WP_CLI ) ||
            ( defined( 'DOING_AJAX' ) && \DOING_AJAX ) ||
            ( defined( 'DOING_CRON' ) && \DOING_CRON );
    }

    public function is_woocommerce_payments_ready(): bool {
        $onboarding = new Onboarding();

        if ( $onboarding->is_completed( Onboarding::HOSTINGER_EASY_ONBOARDING_STORE_STEP_CATEGORY_ID, Actions::ADD_PAYMENT ) ) {
            return true;
        }

        return false;
    }

    public function is_website_onboarding_completed(): bool {
        $all_steps  = Actions::get_category_action_lists()[ Onboarding::HOSTINGER_EASY_ONBOARDING_WEBSITE_STEP_CATEGORY_ID ];
        $onboarding = new Onboarding();

        foreach ( $all_steps as $step ) {
            if ( ! $onboarding->is_completed( Onboarding::HOSTINGER_EASY_ONBOARDING_WEBSITE_STEP_CATEGORY_ID, $step ) ) {
                return false;
            }
        }

        return true;
    }

    public function get_hostinger_plugin_url(): string {
        $website_locale  = get_locale() ?? 'en_US';
        $reseller_locale = get_option( 'hostinger_reseller', '' );
        $locale          = self::HOSTINGER_LOCALES[ $website_locale ] ?? 'hostinger.com';
        $base_domain     = $reseller_locale ?? $locale;

        $plugin_url  = rtrim( $base_domain, '/' ) . '/';
        $plugin_url .= str_replace( ABSPATH, '', HOSTINGER_EASY_ONBOARDING_ABSPATH );

        return $plugin_url;
    }

    public function is_store_setup_completed(): bool {
        $onboarding_profile     = get_option( 'woocommerce_onboarding_profile', array() );
        $has_onboarding_country = ! empty( $onboarding_profile['is_store_country_set'] );
        $industry               = $this->get_store_industry();
        $has_industry           = ! empty( $industry );

        return $has_onboarding_country && $has_industry;
    }

    public function get_store_industry(): array {
        $onboarding_profile = get_option( 'woocommerce_onboarding_profile', array() );
        return $onboarding_profile['industry'] ?? array();
    }

    public function is_selling_digital_products(): bool {
        return in_array( 'digital', $this->get_store_industry(), true );
    }

    public function get_addons_banner_status(): bool {
        if ( get_transient( self::HIDE_ADDONS_BANNER ) || ! current_user_can( 'manage_options' ) ) {
            return false;
        }

        return $this->is_oldest_user_older_than( '1 week' );
    }

    public function get_reach_banner_status(): bool {
        if ( get_transient( self::HIDE_REACH_BANNER ) || ! current_user_can( 'manage_options' ) ) {
            return false;
        }

        return $this->is_oldest_user_older_than( '1 week' );
    }

    public function get_edit_site_url(): string {
        $show_on_front = get_option( 'show_on_front' );
        $front_page_id = get_option( 'page_on_front' );

        if ( $show_on_front === self::HOMEPAGE_DISPLAY && $front_page_id ) {
            if ( $this->is_page_built_with_elementor( (int) $front_page_id ) ) {
                return $this->get_elementor_edit_url( (int) $front_page_id );
            }

            return add_query_arg(
                array(
                    'post'   => $front_page_id,
                    'action' => 'edit',
                ),
                admin_url( 'post.php' )
            );
        }

        if ( wp_is_block_theme() ) {
            return add_query_arg(
                array(
                    'canvas' => 'edit',
                ),
                admin_url( 'site-editor.php' )
            );
        }

        return '';
    }

    public function is_page_built_with_elementor( int $post_id ): bool {
        if ( ! self::is_plugin_active( 'elementor' ) ) {
            return false;
        }

        $elementor_edit_mode = get_post_meta( $post_id, '_elementor_edit_mode', true );

        return $elementor_edit_mode === 'builder';
    }

    public function get_elementor_edit_url( int $post_id ): string {
        return add_query_arg(
            array(
                'post'   => $post_id,
                'action' => 'elementor',
            ),
            admin_url( 'post.php' )
        );
    }

    public function get_reseller_domain(): string {
        $website_locale  = get_locale() ?? 'en_US';
        $reseller_locale = get_option( 'hostinger_reseller', '' );
        $locale          = self::HOSTINGER_LOCALES[ $website_locale ] ?? 'hostinger.com';
        $base_domain     = $reseller_locale ? $reseller_locale : $locale;

        if ( isset( $_SERVER['H_STAGING'] ) && filter_var( $_SERVER['H_STAGING'], FILTER_VALIDATE_BOOLEAN ) === true ) {
            $base_domain = 'hostinger.dev';
        }

        return $base_domain;
    }

    private function is_oldest_user_older_than( string $period = '1 week' ): bool {
        $oldest_user_date = $this->get_oldest_user_date();
        if ( ! $oldest_user_date ) {
            return false;
        }

        return $this->is_older_than( $oldest_user_date, $period );
    }

    private function is_older_than( string $date, string $period = '1 week' ): bool {
        return strtotime( $date ) <= strtotime( '-' . $period );
    }

    private function get_oldest_user_date(): ?string {
        global $wpdb;

        return $wpdb->get_var( "SELECT user_registered FROM {$wpdb->users} ORDER BY user_registered ASC LIMIT 1" );
    }
}

$hostinger_helper = new Helper();
$hostinger_helper->is_woocommerce_onboarding_completed();