<?php
/**
 * Number text field.
 *
 * @package    WPForms
 * @author     WPForms
 * @since      1.0.0
 * @license    GPL-2.0+
 * @copyright  Copyright (c) 2016, WPForms LLC
 */
class WPForms_Field_Number extends WPForms_Field {

	/**
	 * Primary class constructor.
	 *
	 * @since 1.0.0
	 */
	public function init() {

		// Define field type information.
		$this->name  = __( 'Numbers', 'wpforms' );
		$this->type  = 'number';
		$this->icon  = 'fa-hashtag';
		$this->order = 13;
	}

	/**
	 * Field options panel inside the builder.
	 *
	 * @since 1.0.0
	 * @param array $field
	 */
	public function field_options( $field ) {

		// -------------------------------------------------------------------//
		// Basic field options.
		// -------------------------------------------------------------------//

		// Options open markup.
		$args = array(
			'markup' => 'open',
		);
		$this->field_option( 'basic-options', $field, $args );

		// Label.
		$this->field_option( 'label', $field );

		// Description.
		$this->field_option( 'description', $field );

		// Required toggle.
		$this->field_option( 'required', $field );

		// Options close markup.
		$args = array(
			'markup' => 'close',
		);
		$this->field_option( 'basic-options', $field, $args );

		// -------------------------------------------------------------------//
		// Advanced field options.
		// -------------------------------------------------------------------//

		// Options open markup.
		$args = array(
			'markup' => 'open',
		);
		$this->field_option( 'advanced-options', $field, $args );

		// Size.
		$this->field_option( 'size', $field );

		// Placeholder.
		$this->field_option( 'placeholder', $field );

		// Hide label.
		$this->field_option( 'label_hide', $field );

		// Default value.
		$this->field_option( 'default_value', $field );

		// Custom CSS classes.
		$this->field_option( 'css', $field );

		// Options close markup.
		$args = array(
			'markup' => 'close',
		);
		$this->field_option( 'advanced-options', $field, $args );
	}

	/**
	 * Field preview inside the builder.
	 *
	 * @since 1.0.0
	 * @param array $field
	 */
	public function field_preview( $field ) {

		// Define data.
		$placeholder = ! empty( $field['placeholder'] ) ? esc_attr( $field['placeholder'] ) : '';

		// Label.
		$this->field_preview_option( 'label', $field );

		// Primary input.
		echo '<input type="text" placeholder="' . $placeholder . '" class="primary-input" disabled>';

		// Description.
		$this->field_preview_option( 'description', $field );
	}

	/**
	 * Field display on the form front-end.
	 *
	 * @since 1.0.0
	 * @param array $field
	 * @param array $deprecated
	 * @param array $form_data
	 */
	public function field_display( $field, $deprecated, $form_data ) {

		// Define data.
		$primary = $field['properties']['inputs']['primary'];

		// Primary field.
		printf( '<input type="number" %s %s>',
			wpforms_html_attributes( $primary['id'], $primary['class'], $primary['data'], $primary['attr'] ),
			$primary['required']
		);
	}

	/**
	 * Validates field on form submit.
	 *
	 * @since 1.0.0
	 * @param int $field_id
	 * @param array $field_submit
	 * @param array $form_data
	 */
	public function validate( $field_id, $field_submit, $form_data ) {

		$form_id = $form_data['id'];

		// Some browsers allow other non-digit/decimal characters to be submitted
		// with the num input, which then trips the is_numeric validation below.
		// To get around this we remove all chars that are not expected.
		$field_submit = preg_replace( '/[^0-9.]/', '', $field_submit );

		// Basic required check - If field is marked as required, check for entry data
		if ( ! empty( $form_data['fields'][ $field_id ]['required'] ) && empty( $field_submit ) && '0' != $field_submit ) {
			wpforms()->process->errors[ $form_id ][ $field_id ] = apply_filters( 'wpforms_required_label', __( 'This field is required.', 'wpforms' ) );
		}

		// Check if value is numeric.
		if ( ! empty( $field_submit ) && ! is_numeric( $field_submit ) ) {
			wpforms()->process->errors[ $form_id ][ $field_id ] = apply_filters( 'wpforms_valid_number_label', __( 'Please enter a valid number.', 'wpforms' ) );
		}
	}

	/**
	 * Formats and sanitizes field.
	 *
	 * @since 1.3.5
	 * @param int $field_id
	 * @param array $field_submit
	 * @param array $form_data
	 */
	public function format( $field_id, $field_submit, $form_data ) {

		// Define data.
		$name  = ! empty( $form_data['fields'][ $field_id ]['label'] ) ? $form_data['fields'][ $field_id ]['label'] : '';
		$value = preg_replace( '/[^0-9.]/', '', $field_submit );

		// Set final field details.
		wpforms()->process->fields[ $field_id ] = array(
			'name'  => sanitize_text_field( $name ),
			'value' => sanitize_text_field( $value ),
			'id'    => absint( $field_id ),
			'type'  => $this->type,
		);
	}
}
new WPForms_Field_Number;
