<?php

namespace Advanced_Columns\Settings;

use Advanced_Columns\Internationalization\Contracts\TranslationManagerContract;
use Advanced_Columns\Settings\Support\Presets\GapPreset;

/**
 * Settings manager class.
 *
 * @since 1.0.0
 */
class SettingsManager {

	/**
	 * Option key.
	 *
	 * @since 1.0.0
	 */
	private string $key;

	/**
	 * Preset bindings.
	 *
	 * @since 1.0.19
	 */
	private array $presetBindings = array();

	private SettingsProvider $provider;

	/**
	 * Default settings data.
	 *
	 * @since 1.0.0
	 */
	private array $default = array(
		'license' => array(
			'key'      => '',
			'instance' => '',
		),
		'options' => array(
			'maxColumnsGrid'   => 12,
			'conditionalLogic' => false,
			'queriesMode'      => 'desktopFirst',
		),
		'queries' => array(
			array(
				'label'       => 'Mobile',
				'slug'        => 'mobile',
				'type'        => 'max-width',
				'value'       => '781px',
				'query'       => '(max-width:781px)',
				'icon'        => 'smartphone',
				'inherit'     => 'all',
				'editorWidth' => '',
				'base'        => false,
				'presets'     => array(),
			),
		),
	);

	/**
	 * Settings data schema.
	 *
	 * @since 1.0.0
	 */
	private array $schema = array(
		'type'                 => 'object',
		'additionalProperties' => true,
		'properties'           => array(
			'options' => array(
				'type'                 => 'object',
				'additionalProperties' => true,
				'properties'           => array(
					'maxColumnsGrid' => array(
						'type' => 'integer',
					),
					'conditionalLogic' => array(
						'type' => 'boolean',
					),
					'queriesMode' => array(
						'type' => 'string',
					),
				),
			),
			'queries' => array(
				'type'  => 'array',
				'items' => array(
					'type'                 => 'object',
					'additionalProperties' => true,
					'properties'           => array(
						'slug' => array(
							'type' => 'string',
						),
						'label' => array(
							'type' => 'string',
						),
						'query' => array(
							'type' => 'string',
						),
						'type' => array(
							'type' => 'string',
						),
						'value' => array(
							'type' => 'string',
						),
						'icon' => array(
							'type' => 'string',
						),
						'inherit' => array(
							'type' => 'string',
						),
						'editorWidth' => array(
							'type' => 'string',
						),
						'base' => array(
							'type' => 'boolean',
						),
						'presets' => array(
							'type'                 => 'object',
							'additionalProperties' => true,
							'properties'           => array(
								'gap' => array(
									'type'                 => 'object',
									'additionalProperties' => true,
									'properties'           => array(
										'unlink' => array(
											'type' => 'boolean',
										),
										'v' => array(
											'type'                 => 'object',
											'additionalProperties' => true,
											'properties'           => array(
												'column' => array(
													'type'                 => 'object',
													'additionalProperties' => true,
													'properties'           => array(
														'v' => array(
															'type' => array( 'null', 'string' ),
														),
														'custom' => array(
															'type' => 'boolean',
														),
													),
												),
												'row' => array(
													'type'                 => 'object',
													'additionalProperties' => true,
													'properties'           => array(
														'v' => array(
															'type' => array( 'null', 'string' ),
														),
														'custom' => array(
															'type' => 'boolean',
														),
													),
												),
											),
										),
									),
								),
							),
						),
					),
				),
			),
		),
	);

	public function __construct( string $key, TranslationManagerContract $translation, SettingsProvider $provider ) {
		$this->key      = $key;
		$this->provider = $provider;

		$this->presetBindings = array(
			GapPreset::$fieldName => GapPreset::class,
		);

		$this->provider->setDefaults( $this->default );
		$this->provider->setPresetBindings( $this->presetBindings );

		( new SettingsPage( $translation ) );

		$this->bind();
	}

	/**
	 * Bind the registration of the settings.
	 *
	 * @since 1.0.0
	 */
	private function bind() {
		add_action( 'init', array( $this, 'register' ) );
		add_action( 'rest_api_init', array( $this, 'register' ) );
	}

	/**
	 * Register the settings.
	 *
	 * @since 1.0.0
	 */
	public function register() {
		$args = array(
			'type'              => 'object',
			'sanitize_callback' => array( $this, 'sanitizeSettings' ),
			'default'           => json_decode( wp_json_encode( $this->default ), false ),
			'show_in_rest'      => array(
				'schema' => $this->schema,
			),
		);

		register_setting( 'options', $this->key, $args );
	}

	/**
	 * Sanitize settings data object.
	 *
	 * @since 1.0.0
	 * @param array $settings The settings array.
	 * @return array
	 */
	public function sanitizeSettings( array $settings ): array {
		if ( isset( $settings[ 'options'][ 'maxColumnsGrid' ] ) ) {
			$settings[ 'options'][ 'maxColumnsGrid' ] = absint( $settings[ 'options'][ 'maxColumnsGrid' ] );
		}

		if ( isset( $settings[ 'options'][ 'conditionalLogic' ] ) ) {
			$settings[ 'options'][ 'conditionalLogic' ] = boolval( $settings[ 'options'][ 'conditionalLogic' ] );
		}

		if ( isset( $settings[ 'options'][ 'queriesMode' ] ) ) {
			$settings[ 'options'][ 'queriesMode' ] = sanitize_text_field( $settings[ 'options'][ 'queriesMode' ] );
		}

		if ( ! empty( $settings[ 'queries'] ) ) {
			$settings[ 'queries'] = array_map( function( $query ) {
				if ( ! isset( $query[ 'presets' ] ) ) {
					$query[ 'presets' ] = array();
				}

				if ( ! isset( $query[ 'editorWidth' ] ) ) {
					$query[ 'editorWidth' ] = '';
				}

				if ( ! isset( $query[ 'base' ] ) ) {
					$query[ 'base' ] = false;
				}

				return array(
					'label'       => sanitize_text_field( $query[ 'label' ] ),
					'slug'        => sanitize_text_field( $query[ 'slug' ] ),
					'query'       => sanitize_text_field( $query[ 'query' ] ),
					'icon'        => sanitize_text_field( $query[ 'icon' ] ),
					'value'       => sanitize_text_field( $query[ 'value' ] ),
					'type'        => sanitize_text_field( $query[ 'type' ] ),
					'inherit'     => sanitize_text_field( $query[ 'inherit' ] ),
					'editorWidth' => sanitize_text_field( $query[ 'editorWidth' ] ),
					'base'        => boolval( $query[ 'base' ] ),
					'presets'     => $this->sanitizePresets( $query[ 'presets' ] ),
				);
			}, $settings[ 'queries'] );
		}

		return $settings;
	}

	/**
	 * Sanitize the query presets.
	 *
	 * @since 1.0.19
	 * @param array $presets
	 * @return array
	 */
	private function sanitizePresets( array $presets ) {
		foreach ( $presets as $fieldName => $preset ) {
			if ( array_key_exists( $fieldName, $this->presetBindings ) ) {
				$presets[ $fieldName ] = call_user_func( array( $this->presetBindings[ $fieldName ], 'sanitize' ), $preset );
			}
		}

		return $presets;
	}

	/**
	 * Get the Settings provider instance.
	 *
	 * @since 1.0.0
	 * @return SettingsProvider
	 */
	public function getProvider(): SettingsProvider {
		return $this->provider;
	}

}