<?php if ( ! defined( 'ABSPATH' ) ) { die; } // Cannot access directly.

/**

 *

 * Taxonomy Options Class

 *

 * @since 1.0.0

 * @version 1.0.0

 *

 */

if ( ! class_exists( 'CGPS_Taxonomy_Options' ) ) {

  class CGPS_Taxonomy_Options extends CGPS_Abstract{



    // constans

    public $unique      = '';

    public $taxonomy    = '';

    public $abstract    = 'taxonomy';

    public $sections    = array();

    public $pre_fields  = array();

    public $taxonomies  = array();

    public $args        = array(

      'taxonomy'        => 'category',

      'data_type'       => 'serialize',

      'class'           => '',

      'enqueue_webfont' => true,

      'async_webfont'   => false,

      'output_css'      => true,

      'defaults'        => array(),

    );



    // run taxonomy construct

    public function __construct( $key, $params ) {



      $this->unique     = $key;

      $this->args       = apply_filters( "cgps_{$this->unique}_args", wp_parse_args( $params['args'], $this->args ), $this );

      $this->sections   = apply_filters( "cgps_{$this->unique}_sections", $params['sections'], $this );

      $this->taxonomies = ( is_array( $this->args['taxonomy'] ) ) ? $this->args['taxonomy'] : array_filter( (array) $this->args['taxonomy'] );

      $this->taxonomy   = ( ! empty( $_REQUEST[ 'taxonomy' ] ) ) ? sanitize_text_field( wp_unslash( $_REQUEST[ 'taxonomy' ] ) ) : '';

      $this->pre_fields = $this->pre_fields( $this->sections );



      if ( ! empty( $this->taxonomies ) && in_array( $this->taxonomy, $this->taxonomies ) ) {

        add_action( 'admin_init', array( $this, 'add_taxonomy_options' ) );

      }



      // wp enqeueu for typography and output css

      parent::__construct();



    }



    // instance

    public static function instance( $key, $params ) {

      return new self( $key, $params );

    }



    // add taxonomy add/edit fields

    public function add_taxonomy_options() {



      add_action( $this->taxonomy .'_add_form_fields', array( $this, 'render_taxonomy_form_fields' ) );

      add_action( $this->taxonomy .'_edit_form', array( $this, 'render_taxonomy_form_fields' ) );



      add_action( 'created_'. $this->taxonomy, array( $this, 'save_taxonomy' ) );

      add_action( 'edited_'. $this->taxonomy, array( $this, 'save_taxonomy' ) );



    }



    // get default value

    public function get_default( $field ) {



      $default = ( isset( $field['default'] ) ) ? $field['default'] : '';

      $default = ( isset( $this->args['defaults'][$field['id']] ) ) ? $this->args['defaults'][$field['id']] : $default;



      return $default;



    }



    // get meta value

    public function get_meta_value( $field, $term_id = null ) {



      $value = null;



      $term_id = ( ! isset( $term_id ) ) ? get_queried_object_id() : $term_id;



      if ( ! empty( $term_id ) && ! empty( $field['id'] ) ) {



        if ( $this->args['data_type'] !== 'serialize' ) {

          $meta  = get_term_meta( $term_id, $field['id'] );

          $value = ( isset( $meta[0] ) ) ? $meta[0] : null;

        } else {

          $meta  = get_term_meta( $term_id, $this->unique, true );

          $value = ( isset( $meta[$field['id']] ) ) ? $meta[$field['id']] : null;

        }



      }



      $default = ( isset( $field['id'] ) ) ? $this->get_default( $field ) : '';

      $value   = ( isset( $value ) ) ? $value : $default;



      return $value;



    }



    // render taxonomy add/edit form fields

    public function render_taxonomy_form_fields( $term ) {



      $is_term   = ( is_object( $term ) && isset( $term->taxonomy ) ) ? true : false;

      $term_id   = ( $is_term ) ? $term->term_id : 0;

      $taxonomy  = ( $is_term ) ? $term->taxonomy : $term;

      $classname = ( $is_term ) ? 'edit' : 'add';

      $errors    = ( ! empty( $term_id ) ) ? get_term_meta( $term_id, '_cgps_errors_'. $this->unique, true ) : array();

      $errors    = ( ! empty( $errors ) ) ? $errors : array();

      $class     = ( $this->args['class'] ) ? ' '. $this->args['class'] : '';



      if ( ! empty( $errors ) ) {

        delete_term_meta( $term_id, '_cgps_errors_'. $this->unique );

      }



      wp_nonce_field( 'cgps_taxonomy_nonce', 'cgps_taxonomy_nonce'. $this->unique );



      echo '<div class="cgps cgps-taxonomy cgps-show-all cgps-onload cgps-taxonomy-'. esc_attr( $classname ) .'-fields '. esc_attr( $class ) .'">';



      foreach ( $this->sections as $section ) {



        if ( $taxonomy === $this->taxonomy ) {



          $section_icon  = ( ! empty( $section['icon'] ) ) ? '<i class="cgps-section-icon '. esc_attr( $section['icon'] ) .'"></i>' : '';

          $section_title = ( ! empty( $section['title'] ) ) ? $section['title'] : '';



          echo ( $section_title || $section_icon ) ? '<div class="cgps-section-title"><h3>'. $section_icon . $section_title .'</h3></div>' : '';

          echo ( ! empty( $section['description'] ) ) ? '<div class="cgps-field cgps-section-description">'. $section['description'] .'</div>' : '';



          if ( ! empty( $section['fields'] ) ) {

            foreach ( $section['fields'] as $field ) {



              if ( ! empty( $field['id'] ) && ! empty( $errors['fields'][$field['id']] ) ) {

                $field['_error'] = $errors['fields'][$field['id']];

              }



              if ( ! empty( $field['id'] ) ) {

                $field['default'] = $this->get_default( $field );

              }



              CGPS::field( $field, $this->get_meta_value( $field, $term_id ), $this->unique, 'taxonomy' );



            }

          }

        }



      }



      echo '</div>';



    }



    // save taxonomy form fields

    public function save_taxonomy( $term_id ) {



      $count    = 1;

      $data     = array();

      $errors   = array();

      $noncekey = 'cgps_taxonomy_nonce'. $this->unique;

      $nonce    = ( ! empty( $_POST[ $noncekey ] ) ) ? sanitize_text_field( wp_unslash( $_POST[ $noncekey ] ) ) : '';

      $taxonomy = ( ! empty( $_POST[ 'taxonomy' ] ) ) ? sanitize_text_field( wp_unslash( $_POST[ 'taxonomy' ] ) ) : '';



      if ( ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) || ! wp_verify_nonce( $nonce, 'cgps_taxonomy_nonce' ) ) {

        return $term_id;

      }



      // XSS ok.

      // No worries, This "POST" requests is sanitizing in the below foreach.

      $request = ( ! empty( $_POST[ $this->unique ] ) ) ? $_POST[ $this->unique ] : array();



      if ( ! empty( $request ) ) {



        foreach ( $this->sections as $section ) {



          if ( ! empty( $section['fields'] ) ) {



            foreach ( $section['fields'] as $field ) {



              if ( ! empty( $field['id'] ) ) {



                $field_id    = $field['id'];

                $field_value = isset( $request[$field_id] ) ? $request[$field_id] : '';



                // Sanitize "post" request of field.

                if ( ! isset( $field['sanitize'] ) ) {



                  if( is_array( $field_value ) ) {

                    $data[$field_id] = wp_kses_post_deep( $field_value );

                  } else {

                    $data[$field_id] = wp_kses_post( $field_value );

                  }



                } else if( isset( $field['sanitize'] ) && is_callable( $field['sanitize'] ) ) {



                  $data[$field_id] = call_user_func( $field['sanitize'], $field_value );



                } else {



                  $data[$field_id] = $field_value;



                }



                // Validate "post" request of field.

                if ( isset( $field['validate'] ) && is_callable( $field['validate'] ) ) {



                  $has_validated = call_user_func( $field['validate'], $field_value );



                  if ( ! empty( $has_validated ) ) {



                    $errors['sections'][$count] = true;

                    $errors['fields'][$field_id] = $has_validated;

                    $data[$field_id] = $this->get_meta_value( $field, $term_id );



                  }



                }



              }



            }



          }



          $count++;



        }



      }



      $data = apply_filters( "cgps_{$this->unique}_save", $data, $term_id, $this );



      do_action( "cgps_{$this->unique}_save_before", $data, $term_id, $this );



      if ( empty( $data ) ) {



        if ( $this->args['data_type'] !== 'serialize' ) {

          foreach ( $this->pre_fields as $field ) {

            if ( ! empty( $field['id'] ) ) {

              delete_term_meta( $term_id, $field['id'] );

            }

          }

        } else {

          delete_term_meta( $term_id, $this->unique );

        }



      } else {



        if ( $this->args['data_type'] !== 'serialize' ) {

          foreach ( $data as $key => $value ) {

            update_term_meta( $term_id, $key, $value );

          }

        } else {

          update_term_meta( $term_id, $this->unique, $data );

        }



        if ( ! empty( $errors ) ) {

          update_term_meta( $term_id, '_cgps_errors_'. $this->unique, $errors );

        }



      }



      do_action( "cgps_{$this->unique}_saved", $data, $term_id, $this );



      do_action( "cgps_{$this->unique}_save_after", $data, $term_id, $this );



    }

  }

}

