<?php
namespace Akram;

defined( 'ABSPATH' ) || exit;

/**
 * Settings & global design tokens.
 */
final class Options {

	private static $settings = null;

	public static function default_settings() {
		return array(
			'post_types'        => array( 'page', 'post' ),
			'roles'             => array( 'administrator', 'editor' ),
			'content_roles'     => array(),
			'default_template'  => 'akram-full',
			'bp_laptop'         => true,
			'bp_l'              => 1366,
			'bp_t'              => 1024,
			'bp_m'              => 767,
			'css_method'        => 'file',
			'google_cdn'        => false, // opt-in: visitors load fonts from Google's servers
			'google_fonts'      => true,
			'lazy_bg'           => true,
			'disable_emojis'    => true,
			'disable_embeds'    => false,
			'disable_block_css' => true,
			'disable_dashicons' => true,
			'jquery_migrate'    => false,
			'preload_fonts'     => true,
			'svg_uploads'       => true,
			'captcha'           => 'none',
			'recaptcha_site'    => '',
			'recaptcha_secret'  => '',
			'turnstile_site'    => '',
			'turnstile_secret'  => '',
			'mailchimp_key'     => '',
			'instagram_token'   => '',
			'google_places_key' => '',
			'maintenance'       => 'off',
			'maintenance_tpl'   => 0,
			'disabled_widgets'  => array(),
			'retention_days'    => 0,
			'form_rate'         => 5,
			'custom_fonts'      => array(),
			'remove_data'       => false,
			'editor_theme'      => 'dark',
			'prefetch'          => 'moderate',
			'view_transitions'  => true,
			'smooth_scroll'     => false,
			'preloader'         => 'none',
			'brand_name'        => '',
			'brand_logo'        => '',
		);
	}

	public static function all() {
		if ( null === self::$settings ) {
			$saved          = get_option( 'akram_settings', array() );
			self::$settings = array_merge( self::default_settings(), is_array( $saved ) ? $saved : array() );
		}
		return self::$settings;
	}

	public static function get( $key, $default = null ) {
		$all = self::all();
		return array_key_exists( $key, $all ) ? $all[ $key ] : $default;
	}

	public static function update( array $values ) {
		$defaults = self::default_settings();
		$current  = self::all();
		foreach ( $values as $key => $value ) {
			if ( ! array_key_exists( $key, $defaults ) ) {
				continue;
			}
			$type = gettype( $defaults[ $key ] );
			if ( 'boolean' === $type ) {
				$value = (bool) $value;
			} elseif ( 'integer' === $type ) {
				$value = (int) $value;
			} elseif ( 'array' === $type ) {
				$value = is_array( $value ) ? self::clean_array( $value, $key ) : array();
			} else {
				$value = sanitize_text_field( (string) $value );
			}
			$current[ $key ] = $value;
		}
		update_option( 'akram_settings', $current );
		self::$settings = null;
		return self::all();
	}

	private static function clean_array( $value, $key ) {
		if ( 'custom_fonts' === $key ) {
			$out = array();
			foreach ( $value as $font ) {
				if ( empty( $font['family'] ) ) {
					continue;
				}
				$faces = array();
				foreach ( (array) ( $font['faces'] ?? array() ) as $face ) {
					$faces[] = array(
						'weight' => preg_replace( '/[^0-9]/', '', (string) ( $face['weight'] ?? '400' ) ) ?: '400',
						'style'  => 'italic' === ( $face['style'] ?? '' ) ? 'italic' : 'normal',
						'url'    => esc_url_raw( $face['url'] ?? '' ),
					);
				}
				$out[] = array(
					'family' => sanitize_text_field( $font['family'] ),
					'faces'  => $faces,
				);
			}
			return $out;
		}
		return array_values( array_map( 'sanitize_key', array_filter( $value, 'is_scalar' ) ) );
	}

	/** Breakpoints as used by the render engine (desktop-first). */
	public static function breakpoints() {
		$s   = self::all();
		$bps = array(
			array(
				'id'    => 'd',
				'label' => 'Desktop',
				'icon'  => 'monitor',
				'width' => 1440,
			),
		);
		if ( $s['bp_laptop'] ) {
			$bps[] = array(
				'id'    => 'l',
				'label' => 'Laptop',
				'icon'  => 'laptop',
				'max'   => (int) $s['bp_l'],
				'width' => min( 1280, (int) $s['bp_l'] ),
			);
		}
		$bps[] = array(
			'id'    => 't',
			'label' => 'Tablet',
			'icon'  => 'tablet',
			'max'   => (int) $s['bp_t'],
			'width' => 820,
		);
		$bps[] = array(
			'id'    => 'm',
			'label' => 'Mobile',
			'icon'  => 'smartphone',
			'max'   => (int) $s['bp_m'],
			'width' => 390,
		);
		return $bps;
	}

	public static function globals() {
		$g = get_option( 'akram_globals', array() );
		return is_array( $g ) ? $g : array();
	}

	public static function enabled_post_types() {
		$types = (array) self::get( 'post_types', array( 'page' ) );
		$types = array_merge( $types, array( 'akram_template' ) );
		return array_values( array_unique( array_filter( $types, 'post_type_exists' ) ) );
	}

	public static function has_woo() {
		return class_exists( 'WooCommerce' );
	}
}