<?php
namespace Frontend_Admin\Field_Types;

if ( ! class_exists( 'term_name' ) ) :

	class term_name extends text {



		/*
		*  initialize
		*
		*  This function will setup the field type data
		*
		*  @type    function
		*  @date    5/03/2014
		*  @since    5.0.0
		*
		*  @param    n/a
		*  @return    n/a
		*/

		function initialize() {
			// vars
			$this->name       = 'term_name';
			$this->label      = __( 'Term Name', 'acf-frontend-form-element' );
			  $this->category = __( 'Term', 'acf-frontend-form-element' );
			$this->defaults   = array(
				'default_value' => '',
				'maxlength'     => '',
				'placeholder'   => '',
				'prepend'       => '',
				'append'        => '',
				'change_slug'   => 0,
			);
			add_filter( 'acf/load_field/type=text', array( $this, 'load_term_name_field' ) );
			add_filter( 'acf/pre_update_value/type=' . $this->name, array( $this, 'pre_update_value' ), 9, 4 );

		}

		function load_term_name_field( $field ) {
			if ( ! empty( $field['custom_term_name'] ) ) {
				$field['type'] = 'term_name';
			}
			return $field;
		}

		function prepare_field( $field ) {
			$field['type'] = 'text';
			return $field;
		}

		function load_value( $value, $post_id = false, $field = false ) {
			if ( strpos( $post_id, 'term_' ) !== false ) {
				$term_id   = explode( '_', $post_id )[1];
				$edit_term = get_term( $term_id );
				if ( isset( $edit_term->name ) ) {
					$value = $edit_term->name;
				}
			}
			return $value;
		}

		function validate_value( $is_valid, $value, $field, $input ) {
			if ( ! isset( $_POST['_acf_taxonomy_type'] ) ) {
				return $is_valid;
			}

			if ( isset( $_POST['term_slug_field'] ) ) {
				$slug_key = sanitize_key( $_POST['term_slug_field'] );

				if ( ! empty( $_POST['acff']['term'][ $slug_key ] ) ) {
					return $is_valid;
				}
			}

			global $fea_form;
			$term_id = $fea_form['term_id'] ?? 'none';

			if ( 'none' == $term_id ){
				return __( 'Term cannot be saved anywhere', 'acf-frontend-form-element' );
			}

			if ( empty( $field['change_slug'] ) && is_numeric( $term_id ) ) {
				return $is_valid;
			}

			$value = sanitize_title( $value );

			if ( term_exists( $value, sanitize_title( $_POST['_acf_taxonomy_type'] ) ) ) {
				if ( $term_id != 'add_term' && ! empty( $term_id ) ) {
					$term_to_edit = get_term( $term_id );
					if ( ! empty( $term_to_edit->slug ) && $term_to_edit->slug == $value ) {
						return $is_valid;
					}
				}
				return __( 'The term ' . $value . ' exists.', 'acf-frontend-form-element' );
			}
			return $is_valid;
		}

		function load_field( $field ) {
			 $field['name'] = $field['type'];
			return $field;
		}
		function pre_update_value( $checked, $value, $post_id, $field ) {
			if( $this->name !== $field['type'] ){
				return $checked;
			}   $term_id  = explode( '_', $post_id )[1];
			  $edit_term = get_term( $term_id );
			if ( ! is_wp_error( $edit_term ) ) {
				$update_args = array( 'name' => $value );
				if ( ! empty( $field['change_slug'] ) && ! empty( $_POST['term_slug_field'] ) ) {
					$slug_key = sanitize_title( $_POST['term_slug_field'] );
					if ( empty( $_POST['acff']['term'][ $slug_key ] ) ) {
						$update_args['slug'] = sanitize_title( $value );
					}
				}
				remove_action( 'acf/save_post', '_acf_do_save_post' );
				wp_update_term( $term_id, $edit_term->taxonomy, $update_args );
				add_action( 'acf/save_post', '_acf_do_save_post' );
			}

			return true;
		}

		function update_value( $value, $post_id = false, $field = false ) {
			 return null;
		}

		/*
		*  render_field_settings()
		*
		*  Create extra options for your field. This is rendered when editing a field.
		*  The value of $field['name'] can be used (like bellow) to save extra data to the $field
		*
		*  @type    action
		*  @since    3.6
		*  @date    23/01/13
		*
		*  @param    $field    - an array holding all the field's data
		*/

		function render_field_settings( $field ) {
			 parent::render_field_settings( $field );
			// default_value
			acf_render_field_setting(
				$field,
				array(
					'label'        => __( 'Change Slug' ),
					'instructions' => 'Save value as term slug as well.',
					'name'         => 'change_slug',
					'type'         => 'true_false',
					'ui'           => 1,
				)
			);
		}

	}



endif;


