<?php
declare( strict_types=1 );

namespace Automattic\WooCommerce\GoogleListingsAndAds\Admin\Input;

use Automattic\WooCommerce\GoogleListingsAndAds\PluginHelper;

defined( 'ABSPATH' ) || exit;

/**
 * Class Input
 *
 * @package Automattic\WooCommerce\GoogleListingsAndAds\Admin\Input
 */
class Input extends Form implements InputInterface {

	use PluginHelper;

	/**
	 * @var string
	 */
	protected $id;

	/**
	 * @var string
	 */
	protected $type;

	/**
	 * @var string
	 */
	protected $block_name;

	/**
	 * @var array
	 */
	protected $block_attributes = [];

	/**
	 * @var string
	 */
	protected $label;

	/**
	 * @var string
	 */
	protected $description;

	/**
	 * @var mixed
	 */
	protected $value;

	/**
	 * @var bool
	 */
	protected $is_readonly = false;

	/**
	 * @var bool
	 */
	protected $is_hidden = false;

	/**
	 * Input constructor.
	 *
	 * @param string $type
	 * @param string $block_name The name of a generic product block in WooCommerce core or a custom block in this extension.
	 */
	public function __construct( string $type, string $block_name ) {
		$this->type       = $type;
		$this->block_name = $block_name;
		parent::__construct();
	}

	/**
	 * @return string|null
	 */
	public function get_id(): ?string {
		return $this->id;
	}

	/**
	 * @return string
	 */
	public function get_type(): string {
		return $this->type;
	}

	/**
	 * @return string|null
	 */
	public function get_label(): ?string {
		return $this->label;
	}

	/**
	 * @return string|null
	 */
	public function get_description(): ?string {
		return $this->description;
	}

	/**
	 * @return mixed
	 */
	public function get_value() {
		return $this->get_data();
	}

	/**
	 * @param string|null $id
	 *
	 * @return InputInterface
	 */
	public function set_id( ?string $id ): InputInterface {
		$this->id = $id;

		return $this;
	}

	/**
	 * @param string|null $label
	 *
	 * @return InputInterface
	 */
	public function set_label( ?string $label ): InputInterface {
		$this->label = $label;

		return $this;
	}

	/**
	 * @param string|null $description
	 *
	 * @return InputInterface
	 */
	public function set_description( ?string $description ): InputInterface {
		$this->description = $description;

		return $this;
	}

	/**
	 * @param mixed $value
	 *
	 * @return InputInterface
	 */
	public function set_value( $value ): InputInterface {
		$this->set_data( $value );

		return $this;
	}

	/**
	 * @return bool
	 */
	public function is_readonly(): bool {
		return $this->is_readonly;
	}

	/**
	 * @param bool $value
	 *
	 * @return InputInterface
	 */
	public function set_readonly( bool $value ): InputInterface {
		$this->is_readonly = $value;

		return $this;
	}
	/**
	 * @param bool $value
	 *
	 * @return InputInterface
	 */
	public function set_hidden( bool $value ): InputInterface {
		$this->is_hidden = $value;

		return $this;
	}

	/**
	 * @return bool
	 */
	public function is_hidden(): bool {
		return $this->is_hidden;
	}

	/**
	 * Return the data used for the input's view.
	 *
	 * @return array
	 */
	public function get_view_data(): array {
		$view_data = [
			'id'          => $this->get_view_id(),
			'type'        => $this->get_type(),
			'label'       => $this->get_label(),
			'value'       => $this->get_value(),
			'description' => $this->get_description(),
			'desc_tip'    => true,
		];

		if ( $this->is_readonly ) {
			$view_data['custom_attributes'] = [
				'readonly' => 'readonly',
			];
		}

		return array_merge( parent::get_view_data(), $view_data );
	}

	/**
	 * Return the id used for the input's view.
	 *
	 * @return string
	 */
	public function get_view_id(): string {
		$parent = $this->get_parent();
		if ( $parent instanceof InputInterface ) {
			return sprintf( '%s_%s', $parent->get_view_id(), $this->get_id() );
		} elseif ( $parent instanceof FormInterface ) {
			return sprintf( '%s_%s', $parent->get_view_name(), $this->get_id() );
		}

		return sprintf( 'gla_%s', $this->get_name() );
	}

	/**
	 * Return the name of a generic product block in WooCommerce core or a custom block in this extension.
	 *
	 * @return string
	 */
	public function get_block_name(): string {
		return $this->block_name;
	}

	/**
	 * Add or update a block attribute used for block config.
	 *
	 * @param string $key   The attribute key defined in the corresponding block.json
	 * @param mixed  $value The attribute value defined in the corresponding block.json
	 *
	 * @return InputInterface
	 */
	public function set_block_attribute( string $key, $value ): InputInterface {
		$this->block_attributes[ $key ] = $value;

		return $this;
	}

	/**
	 * Return the attributes of block config used for the input's view within the Product Block Editor.
	 *
	 * @return array
	 */
	public function get_block_attributes(): array {
		$meta_key = $this->prefix_meta_key( $this->get_id() );

		$block_attributes = array_merge(
			[
				'property' => "meta_data.{$meta_key}",
				'label'    => $this->get_label(),
				'tooltip'  => $this->get_description(),
			],
			$this->block_attributes
		);

		// Set boolean disabled property only if it's needed.
		if ( $this->is_readonly() ) {
			$block_attributes['disabled'] = true;
		}

		return $block_attributes;
	}

	/**
	 * Return the config used for the input's block within the Product Block Editor.
	 *
	 * @return array
	 */
	public function get_block_config(): array {
		$id = $this->get_id();

		return [
			'id'         => "google-listings-and-ads-product-attributes-{$id}",
			'blockName'  => $this->get_block_name(),
			'attributes' => $this->get_block_attributes(),
		];
	}
}