<?php
/**
 * BadgeOS Shortcodes WP Editor Class.
 *
 * @package BadgeOS
 * @subpackage Classes
 * @author LearningTimes, LLC
 * @license http://www.gnu.org/licenses/agpl.txt GNU AGPL v3.0
 * @link https://credly.com
 */

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

class BadgeOS_Editor_Shortcodes {

	public function __construct() {
		$this->directory_path = plugin_dir_path( dirname( __FILE__ ) );
		$this->directory_url  = plugin_dir_url( dirname( __FILE__ ) );
		$this->shortcodes     = badgeos_get_shortcodes();

		add_action( 'media_buttons', array( $this, 'render_button' ), 20 );
		add_action( 'admin_enqueue_scripts', array( $this, 'admin_scripts' ), 99 );
		add_action( 'admin_footer', array( $this, 'render_modal' ) );

	}

	/**
	 * Enqueue and localize relevant admin_scripts.
	 *
	 * @since  1.4.0
	 */
	public function admin_scripts() {
		global $pagenow;
		$min = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
		wp_enqueue_script( 'badgeos-select2', $this->directory_url . "js/select2/select2$min.js", array( 'jquery' ), '', true );
		wp_enqueue_style( 'badgeos-select2-css', $this->directory_url . "js/select2/select2$min.css" );

		wp_enqueue_style( 'badgeos-juqery-ui-css', $this->directory_url . "css/jquery-ui$min.css" );
		wp_enqueue_style( 'badgeos-juqery-autocomplete-css', $this->directory_url . "css/autocomplete$min.css" );

		if ( $pagenow === 'post.php' || $pagenow === 'post-new.php' ) {
			wp_enqueue_script( 'badgeos-jquery-ui-js' );
			wp_enqueue_script( 'badgeos-shortcodes-embed', $this->directory_url . "js/badgeos-shortcode-embed$min.js", array( 'jquery' ), '', true );
		}

		wp_localize_script( 'badgeos-shortcodes-embed', 'badgeos_shortcode_embed_messages', $this->get_localized_text() );
	}

	/**
	 * Get localized JS text.
	 *
	 * @since 1.4.0
	 *
	 * @return array Array of translated text
	 */
	public function get_localized_text() {

		$badgeos_settings  = ( $exists = badgeos_utilities::get_option( 'badgeos_settings' ) ) ? $exists : array();
		$achievement_types = get_posts(
			array(
				'post_type'      => $badgeos_settings['achievement_main_post_type'],
				'posts_per_page' => -1,
			)
		);

		$select_options = '';
		foreach ( $achievement_types as $type ) {
			$select_options .= '<option value="' . $type->post_name . '">' . $type->post_title . '</option>';
		}

		return array(
			'id_placeholder'              => esc_html__( 'Select a Post', 'badgeos' ),
			'id_multiple_placeholder'     => esc_html__( 'Select Post(s)', 'badgeos' ),
			'user_placeholder'            => esc_html__( 'Select a user', 'badgeos' ),
			'post_type_placeholder'       => esc_html__( 'Default: All', 'badgeos' ),
			'achievements_select_options' => $select_options,
		);
	}

	/**
	 * Render shortcode modal insert button.
	 *
	 * @since 1.4.0
	 */
	public function render_button() {

		$min = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
		echo '<a id="insert_badgeos_shortcodes" href="#TB_inline?width=660&height=800&inlineId=select_badgeos_shortcode" class="thickbox button badgeos_media_link" data-width="800">' . esc_html__( 'Add BadgeOS Shortcode', 'badgeos' ) . '</a>';
	}

	/**
	 * Render shortcode modal content.
	 *
	 * @since 1.4.0
	 */
	public function render_modal() { ?>
		<div id="select_badgeos_shortcode" style="display:none;">
			<div class="wrap">
				<h3><?php esc_html_e( 'Insert a BadgeOS shortcode', 'badgeos' ); ?></h3>
				<p><?php printf( esc_html__( 'See the %s page for more information', 'badgeos' ), '<a target="_blank" href="' . esc_url( admin_url( 'admin.php?page=badgeos_sub_help_support' ) ) . '">' . esc_html__( 'Help/Support', 'badgeos' ) . '</a>' ); ?></p>
				<div class="alignleft">
					<select id="select_shortcode">
						<?php echo $this->get_shortcode_selector(); ?></select>
				</div>
				<div class="alignright">
					<a id="badgeos_insert" class="button-primary" href="#" style="color:#fff;"><?php esc_attr_e( 'Insert Shortcode', 'badgeos' ); ?></a>
					<a id="badgeos_cancel" class="button-secondary" href="#"><?php esc_attr_e( 'Cancel', 'badgeos' ); ?></a>
				</div>
				<div id="shortcode_options" class="alignleft clear">
					<?php echo $this->get_shortcode_sections(); ?>
				</div>
			</div>
		</div>

		<?php
	}

	private function get_shortcode_selector() {
		$output = '';
		foreach ( $this->shortcodes as $shortcode ) {
			$output .= sprintf( '<option value="%1$s">%2$s</option>', esc_attr( $shortcode->slug ), esc_html( $shortcode->name ) );
		}
		return $output;
	}

	private function get_shortcode_sections() {
		$output = '';
		foreach ( $this->shortcodes as $shortcode ) {
			$output .= $this->get_shortcode_section( $shortcode );
		}
		return $output;
	}

	private function get_shortcode_section( $shortcode = array() ) {
		$output  = '<div class="shortcode-section alignleft" id="' . esc_attr( $shortcode->slug ) . '_wrapper">';
		$output .= sprintf( '<p><strong>%1$s</strong> - %2$s</p>', "[{$shortcode->slug}]", esc_html( $shortcode->description ) );

		foreach ( $shortcode->attributes as $slug => $attribute ) {

			$attribute['slug'] = $slug;
			if ( $slug === 'type' ) {
				$attribute['default'] = '';
				$attribute['values']  = '';
			}
			$element_slugs = array( 'type', 'user_id', 'include', 'exclude', 'achievement_id', 'id' );
			if ( in_array( $slug, $element_slugs ) ) {
				$attribute['type'] = ( $attribute['type'] === 'text' ) ? 'select' : $attribute['type'];
			}

			$output .= $this->get_input(
				array(
					'shortcode' => $shortcode,
					'attribute' => $attribute,
				)
			);
		}
		$output .= '</div>';
		return $output;
	}

	private function get_input( $args = array() ) {
		switch ( $args['attribute']['type'] ) {
			case 'select':
				return $this->get_select_input( $args );
			case 'text':
			case 'select2':
			default:
				return $this->get_text_input( $args );
		}
	}

	private function get_text_input( $args = array() ) {
		$name_field      = $args['attribute']['slug'];
		$name_field_type = 'normal';
		$hidden_field    = '';
		if ( isset( $args['attribute']['autocomplete_name'] ) && ! empty( $args['attribute']['autocomplete_name'] ) ) {
			$name_field      = $args['attribute']['autocomplete_name'];
			$name_field_type = 'autocomplete';
			$hidden_field    = sprintf(
				'<input class="%1$s %2$s" id="%1$s" name="%3$s" type="hidden" data-slug="%3$s" data-shortcode="%4$s" value="%5$s" />',
				$args['shortcode']->slug . '_' . $name_field,
				$args['attribute']['type'],
				$name_field,
				$args['shortcode']->slug,
				$args['attribute']['default']
			);
		}

		return $hidden_field . sprintf(
			'<div class="badgeos_input alignleft">

				<label for="%1$s">%2$s</label>
				<br/>
				<input class="%1$s %4$s" id="%1$s" name="%5$s" type="text" data-fieldname="%8$s" data-type="%9$s" data-slug="%5$s" data-shortcode="%6$s" value="%7$s" />
				<p class="description">%3$s</p>
			</div>
			',
			$args['shortcode']->slug . '_' . $args['attribute']['slug'],
			$args['attribute']['name'],
			$args['attribute']['description'],
			$args['attribute']['type'],
			$args['attribute']['slug'],
			$args['shortcode']->slug,
			$args['attribute']['default'],
			$args['shortcode']->slug . '_' . $name_field,
			$name_field_type
		);
	}

	private function get_select_input( $args = array() ) {
		return sprintf(
			'
			<div class="badgeos_input alignleft">
				<label for="%1$s">%2$s</label>
				<br/>
				<select class="%1$s %7$s" id="%1$s" name="%5$s" data-slug="%5$s" data-shortcode="%6$s">%3$s</select>
				<p class="description">%4$s</p>
			</div>
			',
			$args['shortcode']->slug . '_' . $args['attribute']['slug'],
			$args['attribute']['name'],
			$this->get_select_options( $args['attribute'] ),
			$args['attribute']['description'],
			$args['attribute']['slug'],
			$args['shortcode']->slug,
			$args['attribute']['type']
		);
	}

	private function get_select_options( $attribute = array() ) {
		$options = array();
		if ( ! empty( $attribute['values'] ) ) {
			foreach ( $attribute['values'] as $value => $label ) {
				$options[] = sprintf(
					'<option %1$s value="%2$s">%3$s</option>',
					selected( $value, $attribute['default'], false ),
					$value,
					$label
				);
			}
		}

		return implode( "\n", $options );
	}
}

function badgeos_shortcodes_add_editor_button() {
	new BadgeOS_Editor_Shortcodes();
}
add_action( 'admin_init', 'badgeos_shortcodes_add_editor_button' );