/**
 * Add Disable Drip-Feed (LearnDash) Metabox on user profile
 * @description Disable drip-feed metabox for each users.
 *
 * @author HarunRRayhan
 */

add_action( 'show_user_profile', 'hrx_user_disable_dripfeed' );
add_action( 'edit_user_profile', 'hrx_user_disable_dripfeed' );

function hrx_user_disable_dripfeed($user) {
    // Check if user is Admin
    if( !current_user_can('manage_options', $user->ID) ) {
        return;
    }
    // Get Already saved disabled drip courses ID
    $disabled_drip_courses_id = get_the_author_meta( 'disabled_drip_courses', $user->ID );
    ?>
    <h3><?php _e("Disable Drip-Feed for Courses", "divi"); ?></h3>

    <table class="form-table">
        <tr>
            <!-- <th>
                <label for="disabled-drip-courses"><?php _e("Course List"); ?></label>
            </th> -->
            <td>
                <!-- <input type="text" name="address" id="address" value="<?php echo esc_attr( get_the_author_meta( 'address', $user->ID ) ); ?>" class="regular-text" /><br /> -->
                <?php

                // Check if LearnDash exists
                if ( post_type_exists( 'sfwd-courses' ) ) {

                    // Course Query
                    $course_args = array(
                        'posts_per_page'   => -1,
                        'orderby'          => 'date',
                        'order'            => 'DESC',
                        'post_type'        => 'sfwd-courses',
                        'post_status'      => 'publish',
                        'suppress_filters' => true
                    );
                    $courses_array = get_posts( $course_args );

                    // Check if there any course available
                    if($courses_array ):
                        foreach ($courses_array as $course ) {
                            setup_postdata( $course );
                            // echo "<pre>";
                            // print_r($course);
                            // echo "</pre>";
                            echo '<input type="checkbox" name="disabled-drip-courses[]" value="' . $course->ID . '" id="course-' . $course->ID  . '" ' . ((in_array($course->ID, $disabled_drip_courses_id)) ? 'checked' : '') . '> <label for="course-' . $course->ID  . '">' . $course->post_title . '</label><br>';
                        }
                        wp_reset_postdata();
                    ?>


                    <span class="description"><?php _e("Please select course which you want to disable for driping. Multiple courses allowed."); ?></span>
                    <?php

                    else:
                        // If no couse
                        ?>
                    <p>
                        <span class="description"><?php _e("There is no course in LearnDash. Please add a course first."); ?></span>
                    </p>
                <?php
                    endif;
                } ?>
            </td>
        </tr>
    </table>

    <?php
}

/**
 * Saving disabled courses ID
 *
 * @author HarunRRayhan
 */
add_action( 'personal_options_update', 'save_disabled_drip_courses_id' );
add_action( 'edit_user_profile_update', 'save_disabled_drip_courses_id' );
function save_disabled_drip_courses_id( $user_id ) {

    if ( !current_user_can('manage_options', $user_id ) ) { return false; }
    update_user_meta( $user_id, 'disabled_drip_courses', $_POST['disabled-drip-courses'] );
}

/**
 * Debug LD Course Data
 *
 * @author HarunRRayhan
 */
function hrx_ld_course_data_debug() {
    if(is_user_logged_in() && is_singular('sfwd-lessons')){

        global $post;
        // echo "<h3>Course Data</h3>";
        // echo "<pre>";
        // print_r($post);
        // echo "</pre>";

        echo "<h4> Course Meta</h4>";
        echo "<pre>";
        print_r(get_post_meta($post->ID, 'course_id')[0]);
        echo "</pre>";

        // echo "<h4>All Lessons List</h4>";

    }
}
// add_action('wp_footer', 'hrx_ld_course_data_debug');

/**
 * Bypass the LearnDash Lessons Drip-Feed for admin and selected users
 *
 * @author HarunRRayhan
 */
add_filter( 'ld_lesson_access_from', 'hrx_ld_lesson_access_from', 10, 3);
function hrx_ld_lesson_access_from( $return, $lesson_id = 0, $user_id = 0 ) {


    // If the lesson_id OR user_id are empty then just return
    if ( ( empty( $lesson_id ) ) || ( empty( $user_id ) ) ) return $return;


    // If the user is admin (can manage_options) then set the $return to false
    if ( user_can( $user_id, 'manage_options' ) ) {
        $return = false;
    }

    // User's Disabled Drip-Feed Courses array()
    $disabled_drip_courses_id = get_the_author_meta( 'disabled_drip_courses', $user_id );

    // Course ID for current Lesson
    $course_id = get_post_meta($lesson_id, 'course_id')[0];

    // print_r($course_id, false);

    // Bypass Drip-Feed for User
    if(in_array($course_id, $disabled_drip_courses_id)) {
        $return = false;
    }



    // If the user is group leader role then bypass
    // UNCOMMENT THE LINES BELOW to EXCLUDE GROUP LEADERS USERS
    //if ( user_can( $user_id, 'group_leader' ) ) {
    //  $return = false;
    //}

    return $return;
}