<?php

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


class WPF_Members_Plugin extends WPF_Integrations_Base {

    /**
     * Gets things started.
     *
     * @since 3.37.3
     */

    public function init() {
        $this->slug = 'members-plugin';

        // Show Metabox
        add_action( 'members_load_role_edit', array( $this, 'load' ) );
        add_action( 'members_load_role_new', array( $this, 'load' ) );

        // Save role position.
        add_action( 'members_role_updated', array( $this, 'save_meta_box_data' ) );
        add_action( 'members_role_added', array( $this, 'save_meta_box_data' ) );

        // Remove role meta
        add_action( 'admin_init', array( $this, 'remove_meta_role' ) );

        // Callbacks and filters
        add_action( 'wpf_tags_modified', array( $this, 'tags_modified' ), 10, 2 );
    }



    /**
     * Updates user's role if tag is linked to a Members role is changed.
     *
     * @since 3.37.3
     *
     * @param int   $user_id
     * @param array $user_tags
     */
    public function tags_modified( $user_id, $user_tags ) {

        global $wp_roles;

        $user = get_userdata( $user_id );

        foreach ( $wp_roles->role_names as $slug => $label ) {

            $settings = get_option( 'members_role_' . $slug . '_meta' );

            if ( empty( $settings ) || empty( $settings['wpf_tag_link'] ) ) {
                continue;
            }

            $tag_id = $settings['wpf_tag_link'][0];

            if ( in_array( $tag_id, $user_tags ) && ! in_array( $slug, $user->roles ) && ! user_can( $user_id, 'manage_options' ) ) {

                if ( strpos( $slug, 'members_' ) !== false ) {

                    // Logger
                    wpf_log( 'info', $user_id, 'Setting Members plugin role <strong>' . $label . '</strong> from linked tag <strong>' . wp_fusion()->user->get_tag_label( $tag_id ) . '</strong>', array( 'source' => 'members-plugin' ) );

                    // Set Role
                    wp_update_user(
                        array(
                            'ID'   => $user_id,
                            'role' => $slug,
                        )
                    );

                } else {

                    // Logger
                    wpf_log( 'info', $user_id, 'Setting user role <strong>' . $label . '</strong> from linked tag <strong>' . wp_fusion()->user->get_tag_label( $tag_id ) . '</strong>', array( 'source' => 'members-plugin' ) );

                    // WordPress roles
                    $user->set_role( $slug );

                }
            } elseif ( ! in_array( $tag_id, $user_tags ) && in_array( $slug, $user->roles ) && ! user_can( $user_id, 'manage_options' ) ) {

                // Logger
                wpf_log( 'info', $user_id, 'Removing Members plugin member role <strong>' . $label . '</strong> from linked tag <strong>' . wp_fusion()->user->get_tag_label( $tag_id ) . '</strong>', array( 'source' => 'members-plugin' ) );

                $user->remove_role( $slug );

                if ( empty( $user->roles ) ) {

                    // We don't want to leave someone with no role so we'll assign the default role
                    $default_role = get_option( 'default_role' );

                    wpf_log( 'info', $user_id, 'User was left with no role so assigning default role <strong>' . $default_role . '</strong>.', array( 'source' => 'members-plugin' ) );

                    wp_update_user(
                        array(
                            'ID'   => $user_id,
                            'role' => $default_role,
                        )
                    );
                }
            }
        }
    }


    /**
     * Remove role meta when the role is removed.
     *
     * @since 3.37.3
     */
    public function remove_meta_role() {
        // Get the current action if sent as request.
        $action = isset( $_REQUEST['action'] ) ? sanitize_key( $_REQUEST['action'] ) : false;

        // Get the current action if posted.
        if ( ( isset( $_POST['action'] ) && 'delete' == $_POST['action'] ) || ( isset( $_POST['action2'] ) && 'delete' == $_POST['action2'] ) ) {
            $action = 'bulk-delete';
        }

        // Bulk delete role handler.
        if ( 'bulk-delete' === $action ) {

            // If roles were selected, let's delete some roles.
            if ( current_user_can( 'delete_roles' ) && isset( $_POST['roles'] ) && is_array( $_POST['roles'] ) ) {

                // Verify the nonce. Nonce created via `WP_List_Table::display_tablenav()`.
                check_admin_referer( 'bulk-roles' );

                // Loop through each of the selected roles.
                foreach ( $_POST['roles'] as $role ) {

                    $role = members_sanitize_role( $role );

                    if ( members_role_exists( $role ) ) {
                        delete_option( "members_role_{$role}_meta" );
                    }
                }
            }

            // Delete single role handler.
        } elseif ( 'delete' === $action ) {

            // Make sure the current user can delete roles.
            if ( current_user_can( 'delete_roles' ) ) {

                // Verify the referer.
                check_admin_referer( 'delete_role', 'members_delete_role_nonce' );

                // Get the role we want to delete.
                $role = members_sanitize_role( $_GET['role'] );

                // Check that we have a role before attempting to delete it.
                if ( members_role_exists( $role ) ) {
                    // Delete the role meta.
                    delete_option( "members_role_{$role}_meta" );
                }
            }
        }
    }


    /**
     * Runs on the page load hook to hook in the meta boxes.
     *
     * @since 3.37.3
     */

    public function load() {
        add_action( 'add_meta_boxes', array( $this, 'add_meta_box' ) );
    }


    /**
     * Adds meta box, only for Members role page.
     *
     * @since 3.37.3
     *
     * @param object $screen_id
     * @param string $role
     */
    public function add_meta_box( $screen_id, $role = '' ) {
        // If role isn't editable, bail.
        if ( $role && ! members_is_role_editable( $role ) ) {
            return;
        }

        add_meta_box( 'wpf-members-meta', 'WP Fusion', array( $this, 'meta_box_callback' ), $screen_id, 'side', 'core' );
    }

    /**
     * Displays meta box content.
     *
     * @since 3.37.3
     *
     * @param string $role
     */
    public function meta_box_callback( $role ) {
        // Add an nonce field so we can check for it later.
        wp_nonce_field( 'wpf_meta_box_members', 'wpf_meta_box_members_nonce' );

        $settings = array(
            'wpf_tag_link' => array(),
        );
        if ( isset( $_GET['role'] ) ) {
            $settings = get_option( "members_role_{$_GET['role']}_meta" );
        }

        /*
        // Apply tags
        */

        echo '<p><label><strong>' . sprintf( __( 'Link with %s tag', 'wp-fusion' ), wp_fusion()->crm->name ) . ':</strong></label></p>';

        $args = array(
            'setting'     => $settings['wpf_tag_link'],
            'meta_name'   => 'members_tag',
            'field_id'    => 'wpf_tag_link',
            'placeholder' => 'Select Tag',
            'limit'       => 1,
        );

        wpf_render_tag_multiselect( $args );

        echo '<span class="description">When the selected tag is applied, users will automatically be given the ' . ( isset( $_GET['role'] ) ? $_GET['role'] : '' ) . ' role. <br /><br />When the tag is removed the role will be removed.</span>';

    }


    /**
     * Saves Members meta box data
     *
     * @since 3.37.3
     * @access public
     * @return null
     */

    public function save_meta_box_data() {
        // Check if our nonce is set.
        if ( ! isset( $_POST['wpf_meta_box_members_nonce'] ) ) {
            return;
        }

        // Verify that the nonce is valid.
        if ( ! wp_verify_nonce( $_POST['wpf_meta_box_members_nonce'], 'wpf_meta_box_members' ) ) {
            return;
        }

        // If this is an autosave, our form has not been submitted, so we don't want to do anything.
        if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
            return;
        }

        if ( isset( $_GET['role'] ) ) {
            $role_name = $_GET['role'];
        } else {
            $role_name = $_POST['role_name'];
        }

        if ( isset( $_POST['members_tag'] ) && isset( $_POST['members_tag']['wpf_tag_link'] ) ) {
            update_option( "members_role_{$role_name}_meta", $_POST['members_tag'], false );
        } else {
            delete_option( "members_role_{$role_name}_meta" );
        }
    }



}

new WPF_Members_Plugin();