<?php

if ( ! class_exists( 'acf_field_true_false' ) ) :

	class acf_field_true_false extends acf_field {


		/*
		*  __construct
		*
		*  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     = 'true_false';
			$this->label    = __( 'True / False', 'acf' );
			$this->category = 'choice';
			$this->defaults = array(
				'default_value' => 0,
				'message'       => '',
				'ui'            => 0,
				'ui_on_text'    => '',
				'ui_off_text'   => '',
			);

		}


		/*
		*  render_field()
		*
		*  Create the HTML interface for your field
		*
		*  @param   $field - an array holding all the field's data
		*
		*  @type    action
		*  @since   3.6
		*  @date    23/01/13
		*/

		function render_field( $field ) {

			// vars
			$input = array(
				'type'         => 'checkbox',
				'id'           => $field['id'],
				'name'         => $field['name'],
				'value'        => '1',
				'class'        => $field['class'],
				'autocomplete' => 'off',
			);

			$hidden = array(
				'name'  => $field['name'],
				'value' => 0,
			);

			$active = $field['value'] ? true : false;
			$switch = '';

			// checked
			if ( $active ) {
				$input['checked'] = 'checked';
			}

			// ui
			if ( $field['ui'] ) {

				// vars
				if ( $field['ui_on_text'] === '' ) {
					$field['ui_on_text'] = __( 'Yes', 'acf' );
				}
				if ( $field['ui_off_text'] === '' ) {
					$field['ui_off_text'] = __( 'No', 'acf' );
				}

				// update input
				$input['class'] .= ' acf-switch-input';
				// $input['style'] = 'display:none;';

				$switch .= '<div class="acf-switch' . ( $active ? ' -on' : '' ) . '">';
				$switch .= '<span class="acf-switch-on">' . $field['ui_on_text'] . '</span>';
				$switch .= '<span class="acf-switch-off">' . $field['ui_off_text'] . '</span>';
				$switch .= '<div class="acf-switch-slider"></div>';
				$switch .= '</div>';

			}

			?>
<div class="acf-true-false">
			<?php acf_hidden_input( $hidden ); ?>
	<label>
		<input <?php echo acf_esc_attr( $input ); ?>/>
			<?php
			if ( $switch ) {
				echo acf_esc_html( $switch );}
			?>
			<?php
			if ( $field['message'] ) :
				?>
				<span class="message"><?php echo acf_esc_html( $field['message'] ); ?></span><?php endif; ?>
	</label>
</div>
			<?php

		}


		/*
		*  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 ) {

			// message
			acf_render_field_setting(
				$field,
				array(
					'label'        => __( 'Message', 'acf' ),
					'instructions' => __( 'Displays text alongside the checkbox', 'acf' ),
					'type'         => 'text',
					'name'         => 'message',
				)
			);

			// default_value
			acf_render_field_setting(
				$field,
				array(
					'label'        => __( 'Default Value', 'acf' ),
					'instructions' => '',
					'type'         => 'true_false',
					'name'         => 'default_value',
				)
			);

			// ui
			acf_render_field_setting(
				$field,
				array(
					'label'        => __( 'Stylised UI', 'acf' ),
					'instructions' => '',
					'type'         => 'true_false',
					'name'         => 'ui',
					'ui'           => 1,
					'class'        => 'acf-field-object-true-false-ui',
				)
			);

			// on_text
			acf_render_field_setting(
				$field,
				array(
					'label'        => __( 'On Text', 'acf' ),
					'instructions' => __( 'Text shown when active', 'acf' ),
					'type'         => 'text',
					'name'         => 'ui_on_text',
					'placeholder'  => __( 'Yes', 'acf' ),
					'conditions'   => array(
						'field'    => 'ui',
						'operator' => '==',
						'value'    => 1,
					),
				)
			);

			// on_text
			acf_render_field_setting(
				$field,
				array(
					'label'        => __( 'Off Text', 'acf' ),
					'instructions' => __( 'Text shown when inactive', 'acf' ),
					'type'         => 'text',
					'name'         => 'ui_off_text',
					'placeholder'  => __( 'No', 'acf' ),
					'conditions'   => array(
						'field'    => 'ui',
						'operator' => '==',
						'value'    => 1,
					),
				)
			);

		}


		/*
		*  format_value()
		*
		*  This filter is appied to the $value after it is loaded from the db and before it is returned to the template
		*
		*  @type    filter
		*  @since   3.6
		*  @date    23/01/13
		*
		*  @param   $value (mixed) the value which was loaded from the database
		*  @param   $post_id (mixed) the $post_id from which the value was loaded
		*  @param   $field (array) the field array holding all the field options
		*
		*  @return  $value (mixed) the modified value
		*/

		function format_value( $value, $post_id, $field ) {

			return empty( $value ) ? false : true;

		}


		/*
		*  validate_value
		*
		*  description
		*
		*  @type    function
		*  @date    11/02/2014
		*  @since   5.0.0
		*
		*  @param   $post_id (int)
		*  @return  $post_id (int)
		*/

		function validate_value( $valid, $value, $field, $input ) {

			// bail early if not required
			if ( ! $field['required'] ) {

				return $valid;

			}

			// value may be '0'
			if ( ! $value ) {

				return false;

			}

			// return
			return $valid;

		}


		/*
		*  translate_field
		*
		*  This function will translate field settings
		*
		*  @type    function
		*  @date    8/03/2016
		*  @since   5.3.2
		*
		*  @param   $field (array)
		*  @return  $field
		*/

		function translate_field( $field ) {

			// translate
			$field['message']     = acf_translate( $field['message'] );
			$field['ui_on_text']  = acf_translate( $field['ui_on_text'] );
			$field['ui_off_text'] = acf_translate( $field['ui_off_text'] );

			// return
			return $field;

		}

		/**
		 * Return the schema array for the REST API.
		 *
		 * @param array $field
		 * @return array
		 */
		public function get_rest_schema( array $field ) {
			$schema = array(
				'type'     => array( 'boolean', 'null' ),
				'required' => ! empty( $field['required'] ),
			);

			if ( isset( $field['default_value'] ) && '' !== $field['default_value'] ) {
				$schema['default'] = (bool) $field['default_value'];
			}

			return $schema;
		}

		/**
		 * Apply basic formatting to prepare the value for default REST output.
		 *
		 * @param mixed      $value
		 * @param string|int $post_id
		 * @param array      $field
		 * @return mixed
		 */
		public function format_value_for_rest( $value, $post_id, array $field ) {
			return (bool) $value;
		}

	}


	// initialize
	acf_register_field_type( 'acf_field_true_false' );

endif; // class_exists check

?>
