<?php
namespace JVBase\registry;

if (!defined('ABSPATH')) {
	exit;
}
use JVBase\meta\MetaManager;

class OptionsRegistry
{
	private array $fields;

	public function __construct(array $fields)
	{
		$this->fields = $fields;
		add_action('init', [$this, 'registerOptions'], 10);
		add_action('admin_init', [$this, 'registerSettings']);
	}

	/**
	 * Register options
	 */
	public function registerOptions(): void
	{
		$meta = new MetaManager(null, 'options');
		foreach ($this->fields as $field_name => $field) {
			if (in_array($field_name, ['common', 'fields'])) {
				continue;
			}

			// Register the option
			$option_name = BASE . $field_name;


			// Add default value if not exists
			if (get_option($option_name) === false) {
				add_option($option_name, $field['default'] ?? $meta->getDefaultValue($field['type']));
			}

//
//			// Register for REST API
//			register_setting('jvb_options', $option_name, [
//				'type'              => $this->getFieldType($field['type']),
//				'description'       => $field['description'] ?? '',
//				'sanitize_callback' => $meta->getSanitizeCallback($field),
//				'show_in_rest'      => $field['show_in_rest'] ?? true,
//				'default'           => $field['default'] ?? '',
//			]);
		}
	}

	/**
	 * Register settings for admin
	 */
	public function registerSettings(): void
	{
		// Register settings page
		add_settings_section(
			'jvb_options_section',
			__('Site Options', 'jvb'),
			null,
			'jvb_options'
		);

		foreach ($this->fields as $field_name => $field) {
			if (in_array($field_name, ['common', 'fields'])) {
				continue;
			}

			add_settings_field(
				BASE . $field_name,
				$field['label'] ?? $field_name,
				[$this, 'renderField'],
				'jvb_options',
				'jvb_options_section',
				['field' => $field, 'name' => $field_name]
			);
		}
	}

	/**
	 * Render field in admin
	 */
	public function renderField(array $args): void
	{
		$field = $args['field'];
		$name = $args['name'];
		$value = get_option(BASE . $name);

		// Use MetaForm to render if available
		if (class_exists('\JVBase\meta\MetaForm')) {
			$form = new \JVBase\meta\MetaForm();
			echo $form->renderField($name, $field, $value);
		}
	}

	private function getFieldType(string $type): string
	{
		return match ($type) {
			'text', 'textarea', 'url', 'email' => 'string',
			'number' => 'number',
			'true_false', 'checkbox' => 'boolean',
			'location', 'group', 'repeater' => 'array',
			default => 'string'
		};
	}

	private function getSanitizeCallback(array $field): callable
	{
		return function($value) use ($field) {
			$manager = new \JVBase\meta\MetaManager();
			return $manager->sanitizeField($value, $field);
		};
	}
}