<?php
/**
 * Number field.
 *
 * @package Fillaro
 */

namespace Fillaro\Fields;

defined( 'ABSPATH' ) || exit;

/**
 * Number field.
 */
class Number extends Text {

	/** {@inheritdoc} */
	public function type() {
		return 'number';
	}

	/** {@inheritdoc} */
	public function label() {
		return __( 'Number', 'fillaro' );
	}

	/** {@inheritdoc} */
	protected function input_type() {
		return 'number';
	}

	/** {@inheritdoc} */
	public function sanitize_config( array $raw ) {
		$num = static function ( $v ) {
			return ( isset( $v ) && '' !== $v && is_numeric( $v ) ) ? 0 + $v : '';
		};
		return array(
			'min'  => $num( isset( $raw['min'] ) ? $raw['min'] : '' ),
			'max'  => $num( isset( $raw['max'] ) ? $raw['max'] : '' ),
			'step' => ( isset( $raw['step'] ) && is_numeric( $raw['step'] ) && $raw['step'] > 0 ) ? 0 + $raw['step'] : 'any',
		);
	}

	/** {@inheritdoc} */
	public function sanitize_value( $raw, array $field ) {
		$raw = is_scalar( $raw ) ? str_replace( ',', '.', trim( (string) $raw ) ) : '';
		return is_numeric( $raw ) ? $raw : ( '' === $raw ? '' : 'NaN' );
	}

	/** {@inheritdoc} */
	public function validate( $value, array $field ) {
		if ( ! is_numeric( $value ) ) {
			return __( 'Enter a number.', 'fillaro' );
		}
		if ( '' !== $field['min'] && $value < $field['min'] ) {
			/* translators: %s: minimum value. */
			return sprintf( __( 'Enter %s or more.', 'fillaro' ), $field['min'] );
		}
		if ( '' !== $field['max'] && $value > $field['max'] ) {
			/* translators: %s: maximum value. */
			return sprintf( __( 'Enter %s or less.', 'fillaro' ), $field['max'] );
		}
		return '';
	}

	/** {@inheritdoc} */
	protected function extra_attrs( array $field ) {
		return array(
			'min'       => '' !== $field['min'] ? $field['min'] : false,
			'max'       => '' !== $field['max'] ? $field['max'] : false,
			'step'      => $field['step'],
			'inputmode' => 'decimal',
		);
	}
}