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

if ( ! class_exists( 'WPSC_DF_Category' ) ) :

	final class WPSC_DF_Category {

		/**
		 * Slug for this custom field type
		 *
		 * @var string
		 */
		public static $slug = 'df_category';

		/**
		 * Set whether this custom field type is of type date
		 *
		 * @var boolean
		 */
		public static $is_date = false;

		/**
		 * Set whether this custom field type has applicable to date range
		 *
		 * @var boolean
		 */
		public static $has_date_range = false;

		/**
		 * Set whether this custom field type has multiple values
		 *
		 * @var boolean
		 */
		public static $has_multiple_val = false;

		/**
		 * Data type for column created in tickets table
		 *
		 * @var string
		 */
		public static $data_type = 'INT NOT NULL';

		/**
		 * Set whether this custom field type has reference to other class
		 *
		 * @var boolean
		 */
		public static $has_ref = true;

		/**
		 * Reference class for this custom field type so that its value(s) return with object or array of objects automatically. Empty string indicate no reference.
		 *
		 * @var string
		 */
		public static $ref_class = 'wpsc_category';

		/**
		 * Set whether this custom field field type is system default (no fields can be created from it).
		 *
		 * @var boolean
		 */
		public static $is_default = true;

		/**
		 * Set whether this field type has extra information that can be used in ticket form, edit custom fields, etc.
		 *
		 * @var boolean
		 */
		public static $has_extra_info = true;

		/**
		 * Set whether this custom field type can accept personal info.
		 *
		 * @var boolean
		 */
		public static $has_personal_info = false;

		/**
		 * Set whether fields created from this custom field type is allowed in create ticket form
		 *
		 * @var boolean
		 */
		public static $is_ctf = true;

		/**
		 * Set whether fields created from this custom field type is allowed in ticket list
		 *
		 * @var boolean
		 */
		public static $is_list = true;

		/**
		 * Set whether fields created from this custom field type is allowed in ticket filter
		 *
		 * @var boolean
		 */
		public static $is_filter = true;

		/**
		 * Set whether fields created from this custom field type can be given character limits
		 *
		 * @var boolean
		 */
		public static $has_char_limit = false;

		/**
		 * Set whether fields created from this custom field type has custom options set in options table
		 *
		 * @var boolean
		 */
		public static $has_options = false;

		/**
		 * Set whether fields created from this custom field type can be auto-filled
		 *
		 * @var boolean
		 */
		public static $is_auto_fill = true;

		/**
		 * Set whether fields created from this custom field type can be available for ticket list sorting
		 *
		 * @var boolean
		 */
		public static $is_sort = true;

		/**
		 * Set whether fields created from this custom field type can have placeholder
		 *
		 * @var boolean
		 */
		public static $is_placeholder = true;

		/**
		 * Set whether fields created from this custom field type is applicable for visibility conditions in create ticket form
		 *
		 * @var boolean
		 */
		public static $is_visibility_conditions = true;

		/**
		 * Set whether fields created from this custom field type is applicable for macros
		 *
		 * @var boolean
		 */
		public static $has_macro = true;

		/**
		 * Set whether fields of this custom field type is applicalbe for search on ticket list page.
		 *
		 * @var boolean
		 */
		public static $is_search = false;

		/**
		 * Initialize the class
		 *
		 * @return void
		 */
		public static function init() {

			// Get object of this class.
			add_filter( 'wpsc_load_ref_classes', array( __CLASS__, 'load_ref_class' ) );

			// ticket form.
			add_action( 'wpsc_js_validate_ticket_form', array( __CLASS__, 'js_validate_ticket_form' ) );
			add_filter( 'wpsc_create_ticket_data', array( __CLASS__, 'set_create_ticket_data' ), 10, 3 );
			add_action( 'wpsc_js_clear_value_hidden_fields', array( __CLASS__, 'js_clear_value_hidden_fields' ) );

			// create ticket data for rest api.
			add_filter( 'wpsc_rest_create_ticket', array( __CLASS__, 'set_rest_ticket_data' ), 10, 3 );

			// Ticket model.
			add_filter( 'wpsc_ticket_joins', array( __CLASS__, 'ticket_join' ), 10, 2 );
			add_filter( 'wpsc_archive_ticket_joins', array( __CLASS__, 'ticket_join' ), 10, 2 );
		}

		/**
		 * Load current class to reference classes
		 *
		 * @param array $classes - Associative array of class names indexed by its slug.
		 * @return array
		 */
		public static function load_ref_class( $classes ) {

			$classes[ self::$slug ] = array(
				'class'    => __CLASS__,
				'save-key' => 'id',
			);
			return $classes;
		}

		/**
		 * Print operators for ticket form filter
		 *
		 * @param WPSC_Custom_Field $cf - custom field object.
		 * @param array             $filter - Existing filters (if any).
		 * @return void
		 */
		public static function get_operators( $cf, $filter = array() ) {
			?>

			<div class="item conditional">
				<select class="operator" onchange="wpsc_tc_get_operand(this, '<?php echo esc_attr( $cf->slug ); ?>', '<?php echo esc_attr( wp_create_nonce( 'wpsc_tc_get_operand' ) ); ?>');">                    
					<option value=""><?php esc_attr_e( 'Compare As', 'supportcandy' ); ?></option>
					<option <?php isset( $filter['operator'] ) && selected( $filter['operator'], '=' ); ?> value="="><?php esc_attr_e( 'Equals', 'supportcandy' ); ?></option>
					<option <?php isset( $filter['operator'] ) && selected( $filter['operator'], 'IN' ); ?> value="IN"><?php esc_attr_e( 'Matches', 'supportcandy' ); ?></option>
					<option <?php isset( $filter['operator'] ) && selected( $filter['operator'], 'NOT IN' ); ?> value="NOT IN"><?php esc_attr_e( 'Not Matches', 'supportcandy' ); ?></option>
				</select>
			</div>
			<?php
		}

		/**
		 * Print operators for ticket form filter
		 *
		 * @param string            $operator - condition operator on which operands should be returned.
		 * @param WPSC_Custom_Field $cf - custom field object.
		 * @param array             $filter - Exising functions (if any).
		 * @return void
		 */
		public static function get_operands( $operator, $cf, $filter = array() ) {

			$is_multiple = $operator !== '=' ? true : false;
			$categories  = WPSC_Category::find( array( 'items_per_page' => 0 ) )['results'];
			$unique_id   = uniqid( 'wpsc_' );
			?>
			<div class="item conditional operand single">
				<select class="operand_val_1 <?php echo esc_attr( $unique_id ); ?>" <?php echo $is_multiple ? 'multiple' : ''; ?>>
					<?php
					foreach ( $categories as $category ) {
						$selected = '';
						if ( isset( $filter['operand_val_1'] ) && ( ( $is_multiple && in_array( $category->id, $filter['operand_val_1'] ) ) || ( ! $is_multiple && $category->id == $filter['operand_val_1'] ) ) ) {
							$selected = 'selected="selected"';
						}
						?>
						<option <?php echo esc_attr( $selected ); ?> value="<?php echo esc_attr( $category->id ); ?>"><?php echo esc_attr( $category->name ); ?></option>
						<?php
					}
					?>
				</select>
			</div>
			<script>
				jQuery('.operand_val_1.<?php echo esc_attr( $unique_id ); ?>').selectWoo();
			</script>
			<?php
		}

		/**
		 * Check whether or not given condition is valid when it compared with given value.
		 *
		 * @param array             $condition - condition data.
		 * @param WPSC_Custom_Field $cf - custom field object.
		 * @param mixed             $category - value to comapre.
		 * @return boolean
		 */
		public static function is_valid( $condition, $cf, $category ) {

			$response = false;
			switch ( $condition['operator'] ) {

				case '=':
					$response = $condition['operand_val_1'] == $category ? true : false;
					break;

				case 'IN':
					$response = in_array( $category, $condition['operand_val_1'] ) ? true : false;
					break;

				case 'NOT IN':
					$response = ! in_array( $category, $condition['operand_val_1'] ) ? true : false;
					break;
			}
			return $response;
		}

		/**
		 * Parse filter and return sql query to be merged in ticket model query builder
		 *
		 * @param WPSC_Custom_Field $cf - custom field of this type.
		 * @param mixed             $compare - comparison operator.
		 * @param mixed             $val - value to compare.
		 * @return string
		 */
		public static function parse_filter( $cf, $compare, $val ) {

			global $wpdb;
			$column = 't.' . sanitize_key( $cf->slug );

			/**
			 * Normalize IDs (INT only)
			 */
			$normalize_ids = static function ( $values ) {

				$values = is_array( $values ) ? $values : array( $values );
				$ids    = array();

				foreach ( $values as $v ) {
					if ( is_numeric( $v ) && (int) $v > 0 ) {
						$ids[] = (int) $v;
					}
				}

				return array_unique( $ids );
			};

			switch ( $compare ) {

				case '=':
					$ids = $normalize_ids( $val );
					if ( empty( $ids ) ) {
						return '1=0';
					}

					return $wpdb->prepare(
						"{$column} RLIKE %s",
						'(^|[|])' . $ids[0] . '($|[|])'
					);

				case 'IN':
					$ids = $normalize_ids( $val );
					if ( empty( $ids ) ) {
						return '1=0';
					}

					$regex = '(^|[|])(' . implode( '|', $ids ) . ')($|[|])';

					return $wpdb->prepare(
						"{$column} RLIKE %s",
						$regex
					);

				case 'NOT IN':
					$ids = $normalize_ids( $val );
					if ( empty( $ids ) ) {
						return '1=1';
					}

					$regex = '(^|[|])(' . implode( '|', $ids ) . ')($|[|])';

					return $wpdb->prepare(
						"{$column} NOT RLIKE %s",
						$regex
					);

				default:
					return '1=1';
			}
		}

		/**
		 * Check ticket condition
		 *
		 * @param array             $condition - array with condition data.
		 * @param WPSC_Custom_Field $cf - custom field object.
		 * @param WPSC_Ticket       $ticket - ticket object.
		 * @return boolean
		 */
		public static function is_valid_ticket_condition( $condition, $cf, $ticket ) {

			if ( ! is_object( $ticket->{$cf->slug} ) ) {
				return false;
			}

			$flag = true;

			switch ( $condition['operator'] ) {

				case '=':
					$flag = $ticket->{$cf->slug}->id == $condition['operand_val_1'] ? true : false;
					break;

				case 'IN':
					$flag = in_array( $ticket->{$cf->slug}->id, $condition['operand_val_1'] );
					break;

				case 'NOT IN':
					$flag = ! in_array( $ticket->{$cf->slug}->id, $condition['operand_val_1'] );
					break;

				default:
					$flag = true;
			}

			return $flag;
		}

		/**
		 * Print ticket form field
		 *
		 * @param WPSC_Custom_Field $cf - Custom field object.
		 * @param array             $tff - Array of ticket form field settings for this field.
		 * @return string
		 */
		public static function print_tff( $cf, $tff ) {

			$val = $cf->is_auto_fill && $cf->default_value ? $cf->default_value[0] : '';
			$val = apply_filters( 'wpsc_default_value_category', $val, $cf );

			$categories  = WPSC_Category::find( array( 'items_per_page' => 0 ) )['results'];
			$cf          = WPSC_Custom_Field::get_cf_by_slug( 'category' );
			$unique_id   = uniqid( 'wpsc_' );
			$is_disabled = apply_filters( 'wpsc_category_field_disable', false, $cf, $tff );
			ob_start();
			?>
			<div class="<?php echo esc_attr( WPSC_Functions::get_tff_classes( $cf, $tff ) ); ?>" data-cft="<?php echo esc_attr( self::$slug ); ?>" data-slug="<?php echo esc_attr( $cf->slug ); ?>">
				<div class="wpsc-tff-label">
					<span class="name"><?php echo esc_attr( $cf->name ); ?></span>
					<?php
					if ( $tff['is-required'] ) {
						?>
						<span class="required-indicator">*</span>
						<?php
					}
					?>
				</div>
				<span class="extra-info"><?php echo esc_attr( $cf->extra_info ); ?></span>
				<select class="<?php echo esc_attr( $unique_id ); ?>" name="<?php echo esc_attr( $cf->slug ); ?>" onchange="wpsc_check_tff_visibility()" <?php echo $is_disabled ? 'disabled' : ''; ?>>
					<option value=""></option>
					<?php
					foreach ( $categories as $category ) {
						?>
						<option <?php selected( $category->id, $val ); ?> value="<?php echo esc_attr( $category->id ); ?>"><?php echo esc_attr( $category->name ); ?></option>
						<?php
					}
					?>
				</select>

				<?php do_action( 'wpsc_after_print_tff_category', $val, $cf ); ?>

				<script>
					jQuery('select.<?php echo esc_attr( $unique_id ); ?>').selectWoo({
						allowClear: true,
						placeholder: "<?php echo esc_attr( $cf->placeholder_text ); ?>"
					});
				</script>
			</div>
			<?php
			return ob_get_clean();
		}

		/**
		 * Validate this type field in create ticket
		 *
		 * @return void
		 */
		public static function js_validate_ticket_form() {
			?>

			case '<?php echo esc_attr( self::$slug ); ?>':
				var val = customField.find('select').first().val();
				if (customField.hasClass('required') && !val) {
					isValid = false;
					alert(supportcandy.translations.req_fields_missing);
				}
				break;
			<?php
			echo PHP_EOL;
		}

		/**
		 * Return custom field value in $_POST
		 * Ignore phpcs nonce issue as we already checked where it is called from.
		 *
		 * @param string $slug - Custom field slug.
		 * @param mixed  $cf - Custom field object or false.
		 * @return mixed
		 */
		public static function get_tff_value( $slug, $cf = false ) {

			return isset( $_POST[ $slug ] ) ? intval( $_POST[ $slug ] ) : 0; // phpcs:ignore
		}

		/**
		 * Return default value for custom field of this type
		 *
		 * @param WPSC_Custom_Field $cf - custom field object.
		 * @return mixed
		 */
		public static function get_default_value( $cf ) {

			return $cf->default_value ? $cf->default_value[0] : '';
		}

		/**
		 * Check and return custom field value for new ticket to be created.
		 * This function is used by filter for set create ticket form and called directly by my-profile for each applicable custom fields.
		 * Ignore phpcs nonce issue as we already checked where it is called from.
		 *
		 * @param array   $data - Array of values to to stored in ticket in an insert function.
		 * @param array   $custom_fields - Array containing all applicable custom fields indexed by unique custom field types.
		 * @param boolean $is_my_profile - Whether it or not it is created from my-profile. This function is used by create ticket as well as my-profile. Due to customer fields handling is done same way, this flag gives apportunity to identify where it being called.
		 * @return array
		 */
		public static function set_create_ticket_data( $data, $custom_fields, $is_my_profile ) {

			$value            = self::get_tff_value( 'category' );
			$data['category'] = $value ? $value : self::get_default_value( $custom_fields[ self::$slug ][0] );
			return $data;
		}

		/**
		 * Set create ticket data for rest api request
		 *
		 * @param array           $data - create ticket data array.
		 * @param WP_REST_Request $request - rest request object.
		 * @param array           $custom_fields - custom field objects indexed by unique custom field types.
		 * @return array
		 */
		public static function set_rest_ticket_data( $data, $request, $custom_fields ) {

			$cf = WPSC_Custom_Field::get_cf_by_slug( 'category' );
			$category = new WPSC_Category( intval( $request->get_param( 'category' ) ) );
			$data['category'] = $category->id ? $category->id : self::get_default_value( $cf );
			return $data;
		}

		/**
		 * Add SQL joins to ticket model for this field type
		 *
		 * @param array $joins - join strings in an array which later will be imploded.
		 * @param array $filter - user filter.
		 * @return array
		 */
		public static function ticket_join( $joins, $filter ) {

			global $wpdb;
			if ( $filter['orderby_slug'] == 'category' ) {
				$joins[] = 'LEFT JOIN ' . $wpdb->prefix . 'psmsc_categories ct ON t.category = ct.id';
			}
			return $joins;
		}

		/**
		 * Return val field for meta query of this type of custom field
		 *
		 * @param array $condition - condition data.
		 * @return mixed
		 */
		public static function get_meta_value( $condition ) {

			$operator = $condition['operator'];
			switch ( $operator ) {

				case '=':
				case 'IN':
				case 'NOT IN':
					return $condition['operand_val_1'];
			}
			return false;
		}

		/**
		 * Return data for this custom field while creating duplicate ticket
		 *
		 * @param WPSC_Custom_Field $cf - custom field object.
		 * @param WPSC_Ticket       $ticket - ticket object.
		 * @return mixed
		 */
		public static function get_duplicate_ticket_data( $cf, $ticket ) {

			return $ticket->category->id;
		}

		/**
		 * Print generic input field for this type.
		 *
		 * @param WPSC_Custom_Field $cf - custom field object.
		 * @param WPSC_Category     $value - optional. Input field will be printed with given value (if any).
		 * @return void
		 */
		public static function print_cf_input( $cf, $value = '' ) {

			if ( ! is_object( $value ) ) {

				$category = $value ? new WPSC_Category( $value ) : 0;
				if ( $category && $category->id ) {
					$value = $category;
				}
			}

			$categories = WPSC_Category::find( array( 'items_per_page' => 0 ) )['results'];
			$unique_id  = uniqid( 'wpsc_' );
			?>
			<div class="wpsc-tff wpsc-sm-12 wpsc-md-12 wpsc-lg-12 wpsc-visible wpsc-xs-12" data-cft="<?php echo esc_attr( self::$slug ); ?>">
				<div class="wpsc-tff-label">
					<span class="name"><?php echo esc_attr( $cf->name ); ?></span>
				</div>
				<?php
				$extra_info = stripslashes( $cf->extra_info );
				if ( $extra_info ) {
					?>
					<span class="extra-info"><?php echo esc_attr( $cf->extra_info ); ?></span>
					<?php
				}
				?>
				<select class="<?php echo esc_attr( $unique_id ); ?>" name="<?php echo esc_attr( $cf->slug ); ?>">
					<option value=""></option>
					<?php
					foreach ( $categories as $category ) {
						?>
						<option <?php $value && selected( $category->id, $value->id ); ?> value="<?php echo esc_attr( $category->id ); ?>"><?php echo esc_attr( $category->name ); ?></option>
						<?php
					}
					?>
				</select>
				<script>
					jQuery('select.<?php echo esc_attr( $unique_id ); ?>').selectWoo({
						allowClear: true,
						placeholder: "<?php echo esc_attr( $cf->placeholder_text ); ?>"
					});
				</script>
			</div>
			<?php
		}

		/**
		 * Get value for generic field from post.
		 * Ignore phpcs nonce issue as we already checked where it is called from.
		 *
		 * @param WPSC_Custom_Field $cf - custom field object.
		 * @return string
		 */
		public static function get_cf_input_val( $cf ) {

			$value    = isset( $_POST[ $cf->slug ] ) ? intval( $_POST[ $cf->slug ] ) : 0; // phpcs:ignore
			$category = $value ? new WPSC_Category( $value ) : 0;
			return $category && $category->id ? $value : '';
		}

		/**
		 * Print edit custom field properties
		 *
		 * @param WPSC_Custom_Fields $cf - custom field object.
		 * @param string             $field_class - class name of field category.
		 * @return void
		 */
		public static function get_edit_custom_field_properties( $cf, $field_class ) {

			if ( in_array( 'extra_info', $field_class::$allowed_properties ) ) :
				?>
				<div data-type="textfield" data-required="false" class="wpsc-input-group extra-info">
					<div class="label-container">
						<label for=""><?php esc_attr_e( 'Extra info', 'supportcandy' ); ?></label>
					</div>
					<input name="extra_info" type="text" value="<?php echo esc_attr( $cf->extra_info ); ?>" autocomplete="off" />
				</div>
				<?php
			endif;

			if ( in_array( 'default_value', $field_class::$allowed_properties ) ) :
				$default_val = $cf->default_value ? $cf->default_value[0] : '';
				?>
				<div data-type="single-select" data-required="false" class="wpsc-input-group default_value">
					<div class="label-container">
						<label for="">
							<?php esc_attr_e( 'Default value', 'supportcandy' ); ?>
							<span class="required-char">*</span>
						</label>
					</div>
					<select id="wpsc-default-tc" name="default_value">
						<?php
						$categories = WPSC_Category::find( array( 'items_per_page' => 0 ) )['results'];
						foreach ( $categories as $category ) {
							?>
							<option <?php echo selected( $category->id, $default_val ); ?> value="<?php echo esc_attr( $category->id ); ?>"><?php echo esc_attr( $category->name ); ?></option>
							<?php
						}
						?>
					</select>
					<script>
						jQuery('#wpsc-default-tc').selectWoo({
							allowClear: true,
							placeholder: ""
						});
					</script>
				</div>
				<?php
			endif;

			if ( in_array( 'is_auto_fill', $field_class::$allowed_properties ) ) :
				?>
				<div data-type="single-select" data-required="false" class="wpsc-input-group is_auto_fill">
					<div class="label-container">
						<label for="">
							<?php esc_attr_e( 'Auto-fill in ticket form', 'supportcandy' ); ?>
						</label>
					</div>
					<select name="is_auto_fill">
						<option <?php selected( $cf->is_auto_fill, '0' ); ?> value="0"><?php esc_attr_e( 'No', 'supportcandy' ); ?></option>
						<option <?php selected( $cf->is_auto_fill, '1' ); ?> value="1"><?php esc_attr_e( 'Yes', 'supportcandy' ); ?></option>
					</select>
				</div>
				<?php
			endif;

			if ( in_array( 'placeholder_text', $field_class::$allowed_properties ) ) :
				?>
				<div data-type="textfield" data-required="false" class="wpsc-input-group placeholder_text">
					<div class="label-container">
						<label for="">
							<?php esc_attr_e( 'Placeholder', 'supportcandy' ); ?>
						</label>
					</div>
					<input type="text" name="placeholder_text" value="<?php echo esc_attr( $cf->placeholder_text ); ?>" autocomplete="off">
				</div>
				<?php
			endif;

			if ( in_array( 'tl_width', $field_class::$allowed_properties ) ) :
				?>
				<div data-type="number" data-required="false" class="wpsc-input-group tl_width">
					<div class="label-container">
						<label for="">
							<?php esc_attr_e( 'Ticket list width (pixels)', 'supportcandy' ); ?>
						</label>
					</div>
					<input type="number" name="tl_width" value="<?php echo esc_attr( intval( $cf->tl_width ) ); ?>" autocomplete="off">
				</div>
				<?php
			endif;
		}

		/**
		 * Set custom field properties. Can be used by add/edit custom field.
		 * Ignore phpcs nonce issue as we already checked where it is called from.
		 *
		 * @param WPSC_Custom_Field $cf - custom field object.
		 * @param string            $field_class - class of field category.
		 * @return void
		 */
		public static function set_cf_properties( $cf, $field_class ) {

			// extra info.
			if ( in_array( 'extra_info', $field_class::$allowed_properties ) ) {
				$cf->extra_info = isset( $_POST['extra_info'] ) ? sanitize_text_field( wp_unslash( $_POST['extra_info'] ) ) : ''; // phpcs:ignore
			}

			// default value.
			if ( in_array( 'default_value', $field_class::$allowed_properties ) ) {
				$default_value     = isset( $_POST['default_value'] ) ? intval( $_POST['default_value'] ) : 0; // phpcs:ignore
				if ( $default_value ) {
					$cf->default_value = array( $default_value );
				}
			}

			// auto fill.
			if ( in_array( 'is_auto_fill', $field_class::$allowed_properties ) ) {
				$cf->is_auto_fill = isset( $_POST['is_auto_fill'] ) ? sanitize_text_field( wp_unslash( $_POST['is_auto_fill'] ) ) : ''; // phpcs:ignore
			}

			// placeholder!
			if ( in_array( 'placeholder_text', $field_class::$allowed_properties ) ) {
				$cf->placeholder_text = isset( $_POST['placeholder_text'] ) ? sanitize_text_field( wp_unslash( $_POST['placeholder_text'] ) ) : ''; // phpcs:ignore
			}

			// tl_width!
			if ( in_array( 'tl_width', $field_class::$allowed_properties ) ) {
				$tl_width     = isset( $_POST['tl_width'] ) ? intval( $_POST['tl_width'] ) : 0; // phpcs:ignore
				$cf->tl_width = $tl_width ? $tl_width : 100;
			}

			// save!
			$cf->save();
		}

		/**
		 * Return orderby string
		 *
		 * @param WPSC_Custom_Field $cf - custom field object.
		 * @return string
		 */
		public static function get_orderby_string( $cf ) {

			$categories = implode(
				',',
				array_map(
					fn( $category ) => $category->id,
					WPSC_Category::find( array( 'items_per_page' => 0 ) )['results']
				)
			);
			return 'FIELD( t.category, ' . $categories . ' )';
		}

		/**
		 * Returns printable ticket value for custom field. Can be used in export tickets, replace macros etc.
		 *
		 * @param WPSC_Custom_Field $cf - custom field object.
		 * @param WPSC_Ticket       $ticket - ticket object.
		 * @param string            $module - module name.
		 * @return string
		 */
		public static function get_ticket_field_val( $cf, $ticket, $module = '' ) {

			return apply_filters( 'wpsc_ticket_field_val_category', $ticket->category->name, $cf, $ticket, $module );
		}

		/**
		 * Print ticket value for given custom field on ticket list
		 *
		 * @param WPSC_Custom_Field $cf - custom field object.
		 * @param WPSC_Ticket       $ticket - ticket object.
		 * @return void
		 */
		public static function print_tl_ticket_field_val( $cf, $ticket ) {

			echo esc_attr( $ticket->category->name );
		}

		/**
		 * Print ticket value for given custom field on widget
		 *
		 * @param WPSC_Custom_Field $cf - custom field object.
		 * @param WPSC_Ticket       $ticket - ticket object.
		 * @return void
		 */
		public static function print_widget_ticket_field_val( $cf, $ticket ) {

			echo esc_attr( $ticket->category->name );
		}

		/**
		 * Print given value for custom field
		 *
		 * @param WPSC_Custom_Field $cf - custom field object.
		 * @param mixed             $val - value to convert and print.
		 * @return void
		 */
		public static function print_val( $cf, $val ) {

			$category = is_object( $val ) ? $val : new WPSC_Category( $val );
			echo $category->id ? esc_attr( $category->name ) : esc_attr__( 'None', 'supportcandy' );
		}

		/**
		 * Return printable value for history log macro
		 *
		 * @param WPSC_Custom_Field $cf - custom field object.
		 * @param mixed             $val - value to convert and return.
		 * @return string
		 */
		public static function get_history_log_val( $cf, $val ) {

			ob_start();
			self::print_val( $cf, $val );
			return ob_get_clean();
		}

		/**
		 * Print dashboard activity function
		 *
		 * @param WPSC_Custom_Field $cf - custom field object.
		 * @param array             $recent_logs - recent_logs object.
		 * @param array             $body - body object.
		 * @param int               $view - check if frontend.
		 * @return string
		 */
		public static function print_activity( $cf, $recent_logs, $body, $view ) {

			$url = WPSC_Functions::get_ticket_url( $recent_logs->ticket->id, $view );
			$new_category = new WPSC_Category( $body->new );
			if ( $new_category->id ) {
				$category_value = $new_category->name;
			} else {
				$category_value = 'None';
			}
			return esc_attr( $recent_logs->customer->name ) . ' updated the ' . esc_attr( $cf->name ) . ' of <a href="' . esc_attr( $url ) . '" target="_blank">#' . esc_attr( $recent_logs->ticket->id ) . '</a> to ' . esc_attr( $category_value );
		}

		/**
		 * Return given value for custom field
		 *
		 * @param WPSC_Custom_Field $cf - custom field object.
		 * @param mixed             $val - value to convert and print.
		 * @return string
		 */
		public static function get_field_value( $cf, $val ) {

			$category = is_object( $val ) ? $val : new WPSC_Category( $val );
			return $category->id ? esc_attr( $category->name ) : esc_attr__( 'None', 'supportcandy' );
		}

		/**
		 * Clear value of hidden fields
		 *
		 * @return void
		 */
		public static function js_clear_value_hidden_fields() {
			?>
			case '<?php echo esc_attr( self::$slug ); ?>':
				customField.find('select').first().val('');
				break;
			<?php
			echo PHP_EOL;
		}
	}
endif;

WPSC_DF_Category::init();
