<?php

/*
Plugin Name: Abaninja Webinar
Description: Webinars shortcode [webinars]
Text Domain: abaninja_webinar
Domain Path: /languages
Version: 1.0
*/

const ANW_POST_TYPE = 'abaninja_webinar';
const ANW_TEXT_DOMAIN = 'abaninja_webinar';
const ANW_SHORTCODE = 'webinars';
const ANW_TYPE_USER = 1;
const ANW_TYPE_FIDUCIARY = 2;
const ANW_DEFAULT_LANG = 'de';
const ANW_DATE_FORMAT = 'j<\\s\\u\\p>S</\\s\\u\\p> F Y';
const ANW_TIME_FORMAT = 'l, H:i';

$anw_types = [
    ANW_TYPE_USER      => __( 'User', ANW_TEXT_DOMAIN ),
    ANW_TYPE_FIDUCIARY => __( 'Fiduciary', ANW_TEXT_DOMAIN ),
];

require_once 'functions.php';

// ---------------------------------------------------------------------------------------------------------------------
//                                        INIT JS/CSS (BEGIN)
// ---------------------------------------------------------------------------------------------------------------------

function anw_admin_enqueue_scripts() {
    global $pagenow, $typenow;
    if ( in_array( $pagenow, [ 'post-new.php', 'post.php' ] ) && ANW_POST_TYPE == $typenow ) {
        $suffix = ''; //$suffix = SCRIPT_DEBUG ? '' : '.min';
        $lang = get_curr_lang();

        if ( 'en' != $lang ) {
            wp_enqueue_script(
                "anw_datepicker_{$lang}",
                plugins_url( "js/jquery-ui/datepicker-{$lang}{$suffix}.js", __FILE__ ),
                [ 'jquery-ui-datepicker' ]
            );
        }

        wp_enqueue_style( 'anw_jquery_ui', plugins_url( "css/jquery-ui{$suffix}.css", __FILE__ ) );
        wp_enqueue_style( 'anw_admin', plugins_url( "css/admin{$suffix}.css", __FILE__ ) );

        wp_enqueue_script( 'anw_edit_form', plugins_url( "js/edit-form{$suffix}.js", __FILE__ ), [ 'jquery-ui-datepicker' ] );
        $vars = [
            'lang'        => $lang,
            'plugins_url' => plugins_url( '/', __FILE__ ),
        ];
        wp_localize_script( 'anw_edit_form', 'anw_edit_form', $vars );
    }
}
add_action( 'admin_enqueue_scripts', 'anw_admin_enqueue_scripts' );

function anw_enqueue_scripts() {
    $suffix = ''; //$suffix = SCRIPT_DEBUG ? '' : '.min';

    wp_enqueue_style( 'anw_admin', plugins_url( "css/user{$suffix}.css", __FILE__ ) );

    wp_enqueue_script( 'anw_list', plugins_url( "js/list{$suffix}.js", __FILE__ ) );
}
add_action( 'wp_enqueue_scripts', 'anw_enqueue_scripts' );

// ---------------------------------------------------------------------------------------------------------------------
//                                        INIT JS/CSS (END)
// ---------------------------------------------------------------------------------------------------------------------


// ---------------------------------------------------------------------------------------------------------------------
//                                        REGISTER POST TYPE (BEGIN)
// ---------------------------------------------------------------------------------------------------------------------

function anw_register_post_type() {
    $labels = [
        'name'                  => __( 'Webinars', ANW_TEXT_DOMAIN ),
        'singular_name'         => __( 'Webinar', ANW_TEXT_DOMAIN ),
        'add_new'               => __( 'Add New', ANW_TEXT_DOMAIN ),
        'add_new_item'          => __( 'Add New Webinar', ANW_TEXT_DOMAIN ),
        'edit_item'             => __( 'Edit Webinar', ANW_TEXT_DOMAIN ),
        'new_item'              => __( 'New Webinar', ANW_TEXT_DOMAIN ),
        'view_item'             => __( 'View Webinar', ANW_TEXT_DOMAIN ),
        'view_items'            => __( 'View Webinars', ANW_TEXT_DOMAIN ),
        'search_items'          => __( 'Search Webinars', ANW_TEXT_DOMAIN ),
        'not_found'             => __( 'No Webinars found.', ANW_TEXT_DOMAIN ),
        'not_found_in_trash'    => __( 'No Webinars found in Trash.', ANW_TEXT_DOMAIN ),
        'all_items'             => __( 'All Webinars', ANW_TEXT_DOMAIN ),
        'archives'              => __( 'Webinar Archives', ANW_TEXT_DOMAIN ),
        'attributes'            => __( 'Webinar Attributes', ANW_TEXT_DOMAIN ),
        'insert_into_item'      => __( /** @lang text */ 'Insert into Webinar', ANW_TEXT_DOMAIN ),
        'uploaded_to_this_item' => __( 'Uploaded to this webinar', ANW_TEXT_DOMAIN ),
        'featured_image'        => __( 'Featured Image', ANW_TEXT_DOMAIN ),
        'set_featured_image'    => __( 'Set featured image', ANW_TEXT_DOMAIN ),
        'remove_featured_image' => __( 'Remove featured image', ANW_TEXT_DOMAIN ),
        'use_featured_image'    => __( 'Use as featured image', ANW_TEXT_DOMAIN ),
        'filter_items_list'     => __( 'Filter webinars list', ANW_TEXT_DOMAIN ),
        'items_list_navigation' => __( 'Webinars list navigation', ANW_TEXT_DOMAIN ),
        'items_list'            => __( 'Webinars list', ANW_TEXT_DOMAIN ),
    ];

    register_post_type( ANW_POST_TYPE, [
        'labels'          => $labels,
        'public'          => false,
        'hierarchical'    => false,
        'show_ui'         => true,
        'menu_icon'       => 'dashicons-video-alt2',
        'capability_type' => 'post',
        'supports'        => [ 'title', 'editor', 'revisions' ],
    ] );
}
add_action( 'init', 'anw_register_post_type' );

function anw_set_tz() {
    date_default_timezone_set( get_option( 'timezone_string' ) );
}
add_action( 'init', 'anw_set_tz' );

// ---------------------------------------------------------------------------------------------------------------------
//                                        REGISTER POST TYPE (END)
// ---------------------------------------------------------------------------------------------------------------------


// ---------------------------------------------------------------------------------------------------------------------
//                                        INTERNATIONALIZATION (BEGIN)
// ---------------------------------------------------------------------------------------------------------------------

function anw_textdomain() {
    $plugin_rel_path = basename( dirname( __FILE__ ) ) . '/languages/';
    load_plugin_textdomain( ANW_TEXT_DOMAIN, false, $plugin_rel_path );
}
add_action( 'plugins_loaded', 'anw_textdomain' );

// ---------------------------------------------------------------------------------------------------------------------
//                                        INTERNATIONALIZATION (END)
// ---------------------------------------------------------------------------------------------------------------------


// ---------------------------------------------------------------------------------------------------------------------
//                                        WEBINAR EDIT FORM (BEGIN)
// ---------------------------------------------------------------------------------------------------------------------

function anw_form_additional_fields( $post ) {
    global $anw_types;

    if ( ANW_POST_TYPE == $post->post_type ) {

        $value = get_post_meta( $post->ID, get_related_name( 'webinar_date' ), true );
        if ( ! $value ) {
            $value = mktime();
        }
        $date = date_i18n( 'd/m/Y', $value ); //date_i18n( 'j F Y', $value );
        $time_h = date( 'H', $value );
        $time_m = date( 'i', $value );

        $url = get_post_meta( $post->ID, get_related_name( 'webinar_url' ), true );
        $type = get_post_meta( $post->ID, get_related_name( 'webinar_type' ), true );
        ?>
<div id="webinartypediv">
    <div id="webinartypewrap">
        <h2 class="element-label"><label for="webinar-type"><?php esc_html_e( 'Type', ANW_TEXT_DOMAIN ); ?></label></h2>
        <select class="typedropdown" id="webinar-type"  name="webinar_type" >
            <?php foreach ( $anw_types as $key => $title ): ?>
                <option value="<?php esc_attr_e( $key ); ?>" <?php selected( $type, $key ); ?>><?php esc_html_e( $title ); ?></option>
            <?php endforeach; ?>
        </select>
    </div>
</div>
<div id="webinardatediv">
    <div id="webinardatewrap">
        <h2 class="element-label"><label for="webinar-date"><?php esc_html_e( 'Date', ANW_TEXT_DOMAIN ); ?></label></h2>
        <input id="webinar-date" name="webinar_date" size="30" value="<?php esc_attr_e( $date ); ?>" required />
    </div>
</div>
<div id="webinartimediv">
    <div id="webinarteamwrap">
        <h2 class="element-label"><?php esc_html_e( 'Time', ANW_TEXT_DOMAIN ); ?></h2>
        <label for="time_h">
            <select class="timeropdown" id="time_h"  name="webinar_time[h]" >
                <?php for ( $i = 0; $i < 24; $i++ ): $i = sprintf( '%02d', $i ); ?>
                    <option value="<?php esc_attr_e( $i ); ?>" <?php selected( $time_h, $i ); ?>><?php esc_html_e( $i ); ?></option>
                <?php endfor; ?>
            </select>
        </label>
        <label for="time_m">
            <select class="timeropdown" id="time_m" name="webinar_time[m]" >
                <?php for ( $i = 0; $i < 59; $i++ ): $i = sprintf( '%02d', $i ); ?>
                    <option value="<?php esc_attr_e( $i ); ?>" <?php selected( $time_m, $i ); ?>><?php esc_html_e( $i ); ?></option>
                <?php endfor; ?>
            </select>
        </label>
    </div>
</div>
<div id="webinarurldiv">
    <div id="webinarurldivwrap">
        <h2 class="element-label"><label for="webinar-url"><?php esc_html_e( 'Registraion URL', ANW_TEXT_DOMAIN ); ?></label></h2>
        <input type="url" id="webinar-url" name="webinar_url" size="255" value="<?php esc_attr_e( $url ); ?>" required />
        <div class="description">Example: <?php esc_html_e( get_site_url() ); ?></div>
    </div>
</div>
        <?php
        $name = get_related_name( 'wpnonce' );
        $action = ANW_POST_TYPE . '_save_webinar_meta_' . $post->ID;
        wp_nonce_field($action, $name);
    }
}
add_action( 'edit_form_after_title', 'anw_form_additional_fields' );

function anw_render_attribs_metabox( $post ) {
    $id = 'webinar-attr-free';
    $name = 'webinar_attr[free]';
    $value = get_post_meta( $post->ID, get_related_name( 'webinar_attr_free' ), true );
    ?>
<label for="<?php esc_attr_e( $id ); ?>">
    <input type="hidden" name="<?php esc_attr_e( $name ); ?>" value="n">
    <input type="checkbox" id="<?php esc_attr_e( $id ); ?>" name="<?php esc_attr_e( $name ); ?>" value="y"<?php checked( 'y', $value ); ?>>
    <?php esc_html_e( 'Free', ANW_TEXT_DOMAIN ); ?>
</label>
    <?php
}

function anw_post_metaboxes() {
    add_meta_box(
        'anw_attribs',
        __( 'Attributes', ANW_TEXT_DOMAIN ),
        'anw_render_attribs_metabox',
        null,
        'side',
        'default'
    );
}
add_action( 'add_meta_boxes_' . ANW_POST_TYPE, 'anw_post_metaboxes' );

function anw_save_post_meta( $post_ID ) {
    $nonce_name = get_related_name( 'wpnonce' );
    $nonce_action = ANW_POST_TYPE . '_save_webinar_meta_' . $post_ID;

    if ( ! isset( $_POST[$nonce_name] )
         || ! wp_verify_nonce( $_POST[$nonce_name], $nonce_action )
    ) {
        return;
    }

    if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
        return;
    }

    if ( ! current_user_can( 'edit_post', $post_ID ) ) {
        return;
    }

    if ( isset( $_POST['post_type'] ) && ANW_POST_TYPE === $_POST['post_type'] ) {
        list($day, $month, $year) = explode('/', $_POST['webinar_date']);
        $hour = $_POST['webinar_time']['h'];
        $minute = $_POST['webinar_time']['m'];
        $webinar_date = mktime( intval( $hour ), intval( $minute ), 0, intval( $month ), intval( $day ), intval( $year ) );
        update_post_meta( $post_ID, get_related_name( 'webinar_date' ), $webinar_date );

        $fields = [ 'webinar_url', 'webinar_type' ];
        foreach ( $fields as $field ) {
            update_post_meta( $post_ID, get_related_name( $field ), @$_POST[$field] );
        }

        if ( ! empty( @$_POST['webinar_attr'] ) ) {
            foreach ( $_POST['webinar_attr'] as $key => $value ) {
                $field = 'webinar_attr_' . $key;
                update_post_meta( $post_ID, get_related_name( $field ), $value );
            }
        }
    }
}
add_action( 'save_post_' . ANW_POST_TYPE, 'anw_save_post_meta' );

// ---------------------------------------------------------------------------------------------------------------------
//                                        WEBINAR EDIT FORM (END)
// ---------------------------------------------------------------------------------------------------------------------


// ---------------------------------------------------------------------------------------------------------------------
//                                        ADMIN WEBINARS LIST (BEGIN)
// ---------------------------------------------------------------------------------------------------------------------

function anw_webinars_columns( $columns ) {
    if ( array_key_exists( 'date', $columns ) ) {
        $columns['date'] = __( 'Created', ANW_TEXT_DOMAIN );
    }

    $last_value = end( $columns );
    $last_key = key( $columns );
    unset( $columns[$last_key] );

    $columns['webinar_type'] = __( 'Type', ANW_POST_TYPE );
    $columns['webinar_date'] = __( 'Date', ANW_POST_TYPE );
    $columns[$last_key] = $last_value;

    return $columns;
}
add_filter( 'manage_' . ANW_POST_TYPE . '_posts_columns', 'anw_webinars_columns' ); // add custom column

function anw_webinars_sortable_columns( $columns ) {
    $columns['webinar_date'] = 'webinar_date';
    $columns['webinar_type'] = 'webinar_type';
    return $columns;
}
add_filter( 'manage_edit-' . ANW_POST_TYPE . '_sortable_columns', 'anw_webinars_sortable_columns' ); // mark custom column as sorted

function anw_webinars_columns_values( $column ) {
    global $post, $anw_types;

    switch ( $column ) {
        case 'webinar_date':
            $date = get_post_meta( $post->ID, get_related_name( 'webinar_date' ), true);
            if ( $date ) {
                echo esc_html( date( "d/m/Y H:i", $date ) );
            } else {
                echo esc_html( '-' );
            }
            break;

        case 'webinar_type':
            $type = get_post_meta( $post->ID, get_related_name( 'webinar_type' ), true);
            if ( array_key_exists( $type, $anw_types ) ) {
                echo esc_html( $anw_types[$type] );
            } else {
                echo esc_html( '-' );
            }
            break;
    }
}
add_action( 'manage_' . ANW_POST_TYPE . '_posts_custom_column' , 'anw_webinars_columns_values' ); // output custom column value

function anw_orderby( WP_Query $query ) {
    if( ! $query->is_main_query() || ANW_POST_TYPE != $query->get( 'post_type' ) ) {
        return; // Nothing to do
    }

    $orderby = strtolower( $query->get( 'orderby') );
    if ( '' == $orderby ) {
        $orderby = 'webinar_date';  // change default order
    }
    switch ( $orderby ) {
        case 'webinar_date':
            $query->set( 'meta_key', get_related_name( 'webinar_date' ) );
            $query->set( 'orderby', 'meta_value_num' );
            break;

        case 'webinar_type':
            $query->set( 'meta_key', get_related_name( 'webinar_type' ) );
            $query->set( 'orderby', 'meta_value_num' );
            break;
    }
}
add_action( 'pre_get_posts', 'anw_orderby' );

// ---------------------------------------------------------------------------------------------------------------------
//                                        ADMIN WEBINARS LIST (END)
// ---------------------------------------------------------------------------------------------------------------------


// ---------------------------------------------------------------------------------------------------------------------
//                                        SHORTCODE (BEGIN)
// ---------------------------------------------------------------------------------------------------------------------

/**
 * @param array $clauses
 * @param WP_Query $query
 *
 * @return mixed
 */
function anw_meta_query( $clauses, $query ) {
    global $wpdb;
    if ( ANW_POST_TYPE == @$query->query['post_type'] && ! is_admin() ) {
        $current_timestamp = time();
        $clauses['where'] .= "\nAND ({$wpdb->postmeta}.meta_value + 3600 >= {$current_timestamp}) ";
    }
    return $clauses;
}
add_filter( 'posts_clauses', 'anw_meta_query', 10, 2 );

function anw_get_query( $type ) {
    global $anw_types;

    if ( ! array_key_exists( $type, $anw_types ) ) {
        return false;
    }

    $query_params = [
        'post_type'      => ANW_POST_TYPE,
        'posts_per_page' => -1,
        'order'          => 'ASC',
        'orderby'        => 'meta_value_num',
        'meta_key'       => get_related_name( 'webinar_date' ),
        'meta_query'     => [
            [
                'key'   => get_related_name( 'webinar_type' ),
                'value' => $type,
            ]
        ],
    ];

    return new WP_Query($query_params);
}

function anw_shortcode() {
    global $anw_types;

    $anw_query = [];
    foreach ( array_keys( $anw_types ) as $type ) {
        $anw_query[$type] = anw_get_query( $type );
    }

    ob_start();
    require 'tpl/shortcode.php';

    return ob_get_clean();
}
add_shortcode( ANW_SHORTCODE, 'anw_shortcode' );

// ---------------------------------------------------------------------------------------------------------------------
//                                        SHORTCODE (END)
// ---------------------------------------------------------------------------------------------------------------------