<?php
/**
 * Marsh Kindergarten main admin class
 *
 * @package Marsh Kindergarten
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Class marsh_kindergarten_Admin_Main
 */
class marsh_kindergarten_Admin_Main {

    function marsh_kindergarten_install_demo_importer_plugin() {

        if ( ! wp_verify_nonce( $_POST['_wpnonce'], 'marsh_kindergarten_plugin_install_nonce' ) ) {
            die( 'This action was stopped for security purposes.' );
        }

        if ( ! current_user_can( 'install_plugins' ) ) {
            $status['message'] = __( 'Sorry, you are not allowed to install plugins on this site.', 'marsh-kindergarten' );
            wp_send_json_error( $status );
        }

        include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
        

        $api = $this->marsh_kindergarten_plugin_api_status( 'creativ-demo-importer' );

        if ( is_wp_error( $api ) ) {
            $status['message'] = $api->get_error_message();
            wp_send_json_error( $status );
        }

        $status['pluginName']   = $api->name;
        $skin                   = new WP_Ajax_Upgrader_Skin();
        $upgrader               = new Plugin_Upgrader( $skin );
        $result                 = $upgrader->install( $api->download_link );

        if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
            $status['debug'] = $skin->get_upgrade_messages();
        }

        if ( is_wp_error( $result ) ) {
            $status['errorCode']    = $result->get_error_code();
            $status['message']      = $result->get_error_message();
            wp_send_json_error( $status );
        } elseif ( is_wp_error( $skin->result ) ) {
            $status['errorCode']    = $skin->result->get_error_code();
            $status['message']      = $skin->result->get_error_message();
            wp_send_json_error( $status );
        } elseif ( $skin->get_errors()->get_error_code() ) {
            $status['message']      = $skin->get_error_messages();
            wp_send_json_error( $status );
        } elseif ( is_null( $result ) ) {
            global $wp_filesystem;

            $status['errorCode']    = 'unable_to_connect_to_filesystem';
            $status['message']      = __( 'Unable to connect to the filesystem. Please confirm your credentials.', 'marsh-kindergarten' );

            // Pass through the error from WP_Filesystem if one was raised.
            if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->get_error_code() ) {
                $status['message'] = esc_html( $wp_filesystem->errors->get_error_message() );
            }

            wp_send_json_error( $status );
        }

        if ( current_user_can( 'activate_plugin' ) ) {
            $result = activate_plugin( '/creativ-demo-importer/creativ-demo-importer.php' );
            if ( is_wp_error( $result ) ) {
                $status['errorCode']    = $result->get_error_code();
                $status['message']      = $result->get_error_message();
                wp_send_json_error( $status );
            }
        }
        $status['message'] = esc_html__( 'Plugin installed successfully', 'marsh-kindergarten' );
        wp_send_json_success( $status );
    }

    /**
     * Activate Demo Importer Plugins Ajax Method
     */

    public function marsh_kindergarten_activate_demo_importer_plugin() {
        if ( ! wp_verify_nonce( $_POST['_wpnonce'], 'marsh_kindergarten_plugin_install_nonce' ) ) {
            die( 'This action was stopped for security purposes.' );
        }

        $result = activate_plugin( '/creativ-demo-importer/creativ-demo-importer.php' );
        if ( is_wp_error( $result ) ) {
            // Process Error
            wp_send_json_error(
                array(
                    'success' => false,
                    'message' => $result->get_error_message(),
                )
            );
        } else {
            wp_send_json_success(
                array(
                    'success' => true,
                    'message' => __( 'Plugin Successfully Activated.', 'marsh-kindergarten' ),
                )
            );
        }
    }

    function marsh_kindergarten_install_free_plugin() {

        $plugin_slug = $_POST['plugin_slug'];

        if ( ! wp_verify_nonce( $_POST['_wpnonce'], 'marsh_kindergarten_plugin_install_nonce' ) ) {
            die( 'This action was stopped for security purposes.' );
        }

        if ( ! current_user_can( 'install_plugins' ) ) {
            $status['message'] = __( 'Sorry, you are not allowed to install plugins on this site.', 'marsh-kindergarten' );
            wp_send_json_error( $status );
        }

        include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
        

        $api = $this->marsh_kindergarten_plugin_api_status( $plugin_slug );

        if ( is_wp_error( $api ) ) {
            $status['message'] = $api->get_error_message();
            wp_send_json_error( $status );
        }

        $status['pluginName']   = $api->name;
        $skin                   = new WP_Ajax_Upgrader_Skin();
        $upgrader               = new Plugin_Upgrader( $skin );
        $result                 = $upgrader->install( $api->download_link );

        if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
            $status['debug'] = $skin->get_upgrade_messages();
        }

        if ( is_wp_error( $result ) ) {
            $status['errorCode']    = $result->get_error_code();
            $status['message']      = $result->get_error_message();
            wp_send_json_error( $status );
        } elseif ( is_wp_error( $skin->result ) ) {
            $status['errorCode']    = $skin->result->get_error_code();
            $status['message']      = $skin->result->get_error_message();
            wp_send_json_error( $status );
        } elseif ( $skin->get_errors()->get_error_code() ) {
            $status['message']      = $skin->get_error_messages();
            wp_send_json_error( $status );
        } elseif ( is_null( $result ) ) {
            global $wp_filesystem;

            $status['errorCode']    = 'unable_to_connect_to_filesystem';
            $status['message']      = __( 'Unable to connect to the filesystem. Please confirm your credentials.', 'marsh-kindergarten' );

            // Pass through the error from WP_Filesystem if one was raised.
            if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->get_error_code() ) {
                $status['message'] = esc_html( $wp_filesystem->errors->get_error_message() );
            }

            wp_send_json_error( $status );
        }

        if ( current_user_can( 'activate_plugin' ) ) {
            $plugin_path = '/'.esc_attr( $plugin_slug ).'/'.esc_attr( $plugin_slug ).'.php';
            $result = activate_plugin( $plugin_path );
            if ( is_wp_error( $result ) ) {
                $status['errorCode']    = $result->get_error_code();
                $status['message']      = $result->get_error_message();
                wp_send_json_error( $status );
            }
        }
        $status['message'] = esc_html__( 'Plugin installed successfully', 'marsh-kindergarten' );
        wp_send_json_success( $status );
    }

   function marsh_kindergarten_activate_free_plugin() {

        $plugin_slug = $_POST['plugin_slug'];

        if ( ! wp_verify_nonce( $_POST['_wpnonce'], 'marsh_kindergarten_plugin_install_nonce' ) ) {
            die( 'This action was stopped for security purposes.' );
        }

        if ( ! current_user_can( 'activate_plugin' ) ) {
            $status['message'] = __( 'Sorry, you are not allowed to activate plugins on this site.', 'marsh-kindergarten' );
            wp_send_json_error( $status );
        }

        $plugin_path = '/'.esc_attr( $plugin_slug ).'/'.esc_attr( $plugin_slug ).'.php';

        $result = activate_plugin( $plugin_path );

        if ( is_wp_error( $result ) ) {
            $status['errorCode'] = $result->get_error_code();
            $status['message'] = $result->get_error_message();
            wp_send_json_error( $status );
        }

        $status['message'] = esc_html__( 'Plugin activated successfully', 'marsh-kindergarten' );
        wp_send_json_success( $status );
    }

    /**
     * Get requested plugin API
     */
    public function marsh_kindergarten_plugin_api_status( $plugin ) {
        include_once ABSPATH . 'wp-admin/includes/plugin-install.php';

        $plugin_info_api = plugins_api( 'plugin_information', array(
            'slug'   => $plugin,
            'fields' => array(
                'sections'          => false,
                'icons'             => true,
                'short_description' => true,
                'banners'           => true,
            )
        ) );

        return $plugin_info_api;
    }

    /**
     * Check if Plugin is active or not
     */
    public function marsh_kindergarten_check_plugin_status( $plugin ) {
        include_once( ABSPATH . 'wp-admin/includes/plugin.php' ); 
        $folder_name    = $plugin['slug'];
        $file_name      = $plugin['filename'];
        $status         = 'install';
        $path           = WP_PLUGIN_DIR.'/'.esc_attr( $folder_name ).'/'.esc_attr( $file_name );

        if ( file_exists( $path ) ) {
            $status = is_plugin_active( esc_attr( $folder_name ).'/'.esc_attr( $file_name ) ) ? 'inactive' : 'active';
        }

        return $status;
    }

    /**
     * Generate Url for the Plugin Button
     */
    public function marsh_kindergarten_generate_plugin_action_url( $status, $plugin ) {

        $plugin_slug    = $plugin['slug'];

        switch ( $status ) {
            case 'install':
                return wp_nonce_url(
                    add_query_arg(
                        array(
                            'action' => 'install-plugin',
                            'plugin' => $plugin_slug,
                        ),
                        esc_url( network_admin_url( 'update.php' ) )
                    ),
                    'install-plugin_' . $plugin_slug
                );
                break;

            case 'inactive':
                return add_query_arg(
                    array(
                        'action'        => 'deactivate',
                        'plugin'        => rawurlencode( $this->marsh_kindergarten_get_plugin_path( $plugin_slug ) ),
                        'plugin_status' => 'all',
                        'paged'         => '1',
                        '_wpnonce'      => wp_create_nonce( 'deactivate-plugin_' . $this->marsh_kindergarten_get_plugin_path( $plugin_slug ) ),
                    ),
                    esc_url( network_admin_url( 'plugins.php' ) )
                );
                break;

            case 'active':
                return add_query_arg(
                    array(
                        'action'        => 'activate',
                        'plugin'        => rawurlencode( $this->marsh_kindergarten_get_plugin_path( $plugin_slug ) ),
                        'plugin_status' => 'all',
                        'paged'         => '1',
                        '_wpnonce'      => wp_create_nonce( 'activate-plugin_' . $this->marsh_kindergarten_get_plugin_path( $plugin_slug ) ),
                    ),
                    esc_url( network_admin_url( 'plugins.php' ) )
                );
                break;
        }
    }

  /**
     * Get the parsed changelog.
     *
     * @param string $changelog_path the changelog path.
     *
     * @return array
     */
    public function get_changelog( $changelog_path ) {

        if ( ! is_file( $changelog_path ) ) {
            return [];
        }

        if ( ! WP_Filesystem() ) {
            return [];
        }

        return $this->parse_changelog( $changelog_path );
    }

    /**
     * Return the releases changes array.
     *
     * @param string $changelog_path the changelog path.
     *
     * @return array $releases - changelog.
     */
    private function parse_changelog( $changelog_path ) {
        WP_Filesystem();
        global $wp_filesystem;
        $changelog = $wp_filesystem->get_contents( $changelog_path );
        if ( is_wp_error( $changelog ) ) {
            $changelog = '';
        }
        $changelog     = explode( PHP_EOL, $changelog );
        $releases      = [];
        $release_count = 0;   

        foreach ( $changelog as $changelog_line ) {
            
            if ( empty( $changelog_line ) ) {
                continue;
            }

            if ( substr( ltrim( $changelog_line ), 0, 2 ) === '==' ) {
                $release_count ++;
                preg_match( '/[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}/', $changelog_line, $found_v );
                preg_match( '/[0-9]{4}-[0-9]{1,2}-[0-9]{1,2}/', $changelog_line, $found_d );
                $releases[ $release_count ] = array(
                    'version' => $found_v[0],
                    'date'    => $found_d[0],
                );

                continue;

            }

            if ( preg_match( '/[*|-]?\s?(\NEW|\New|new)[:]?\s?(\b|(?=\[))/', $changelog_line ) ) {
                $changelog_line = preg_replace( '/[*|-]?\s?(\NEW|\New|new)[:]?\s?(\b|(?=\[))/', '', $changelog_line );
                $releases[ $release_count ]['new'][] = $this->marsh_kindergarten_parse_md_and_clean( $changelog_line );
                continue;
            }

            if ( preg_match( '/[*|-]?\s?(IMP|Imp|imp)[:]?\s?(\b|(?=\[))/', $changelog_line ) ) {
                $changelog_line = preg_replace( '/[*|-]?\s?(IMP|Imp|imp)[:]?\s?(\b|(?=\[))/', '', $changelog_line );
                $releases[ $release_count ]['imp'][] = $this->marsh_kindergarten_parse_md_and_clean( $changelog_line );
                continue;
            }

            if ( preg_match( '/[*|-]?\s?(FIX|Fix|fix)[:]?\s?(\b|(?=\[))/', $changelog_line ) ) {
                $changelog_line = preg_replace( '/[*|-]?\s?(FIX|Fix|fix)[:]?\s?(\b|(?=\[))/', '', $changelog_line );
                $releases[ $release_count ]['fix'][] = $this->marsh_kindergarten_parse_md_and_clean( $changelog_line );
                continue;
            }


            $changelog_line = $this->marsh_kindergarten_parse_md_and_clean( $changelog_line );

            if ( empty( $changelog_line ) ) {
                continue;
            }

            $releases[ $release_count ]['tweak'][] = $changelog_line;
        }

        return array_values( $releases );
    }

    /**
     * Parse markdown links and cleanup string.
     *
     * @param string $string changelog line.
     *
     * @return string
     */
    private function marsh_kindergarten_parse_md_and_clean( $string ) {

        // Drop spaces, starting lines | asterisks.
        $string = trim( $string );
        $string = ltrim( $string, '*' );
        $string = ltrim( $string, '-' );

        // Replace markdown links with <a> tags.
        $string = preg_replace_callback(
            '/\[(.*?)]\((.*?)\)/',
            function ( $matches ) {
                return '<a href="' . $matches[2] . '" target="_blank" rel="noopener"><i class="dashicons dashicons-external"></i>' . $matches[1] . '</a>';
            },
            htmlspecialchars( $string )
        );

        return $string;
    }

    /**
     * Popup alert for creativ themes demo importer plugin install.
     *
     * @since 1.0.0
     */
    public function marsh_kindergarten_install_demo_import_plugin_popup() {
        $demo_importer_plugin = WP_PLUGIN_DIR . '/creativ-demo-importer/creativ-demo-importer.php';
    ?>
            <div id="marsh-kindergarten-demo-import-plugin-popup">
                <div class="marsh-kindergarten-popup-inner-wrap">
                    <?php
                        if ( is_plugin_active( 'creativ-demo-importer/creativ-demo-importer.php' ) ) {
                            echo '<span class="marsh-kindergarten-plugin-message">'.esc_html__( 'You can import available demos now!', 'marsh-kindergarten' ).'</span>';
                        } else {
                            if ( ! file_exists( $demo_importer_plugin ) ) {
                    ?>
                                <span class="marsh-kindergarten-plugin-message"><?php esc_html_e( 'Creativ Themes Demo Importer Plugin is not installed!', 'marsh-kindergarten' ); ?></span>
                                <a href="javascript:void(0)" class="marsh-kindergarten-install-demo-import-plugin" data-process="<?php esc_attr_e( 'Installing & Activating', 'marsh-kindergarten' ); ?>" data-done="<?php esc_attr_e( 'Installed & Activated', 'marsh-kindergarten' ); ?>" data-redirect="<?php echo esc_url( wp_nonce_url( add_query_arg( 'marsh-kindergarten-hide-welcome-notice', 'welcome', admin_url( 'themes.php' ).'?page=marsh-kindergarten-dashboard&tab=marsh_kindergarten_starter' ) , 'marsh_kindergarten_hide_welcome_notices_nonce', '_marsh_kindergarten_welcome_notice_nonce' ) ); ?>">
                                    <?php esc_html_e( 'Install and Activate', 'marsh-kindergarten' ); ?>
                                </a>
                    <?php
                            } else {
                    ?>
                                <span class="marsh-kindergarten-plugin-message"><?php esc_html_e( 'Creativ Themes Demo Importer Plugin is installed but not activated!', 'marsh-kindergarten' ); ?></span>
                                <a href="javascript:void(0)" class="marsh-kindergarten-activate-demo-import-plugin" data-process="<?php esc_attr_e( 'Activating', 'marsh-kindergarten' ); ?>" data-done="<?php esc_attr_e( 'Activated', 'marsh-kindergarten' ); ?>" data-redirect="<?php echo esc_url( wp_nonce_url( add_query_arg( 'marsh-kindergarten-hide-welcome-notice', 'welcome', admin_url( 'themes.php' ).'?page=marsh-kindergarten-dashboard&tab=marsh_kindergarten_starter' ) , 'marsh_kindergarten_hide_welcome_notices_nonce', '_marsh_kindergarten_welcome_notice_nonce' ) ); ?>">
                                    <?php esc_html_e( 'Activate Now', 'marsh-kindergarten' ); ?>
                                </a>
                    <?php
                            }
                        }
                    ?>
                </div><!-- .marsh-kindergarten-popup-inner-wrap -->
            </div><!-- .marsh-kindergarten-demo-import-plugin-popup -->
        <?php
    }
}

$admin_main_class = new marsh_kindergarten_Admin_Main();