<?php
/**
 * Theme updater
 *
 * @package Spectra One
 * @author Brainstorm Force
 * @since 1.0.5
 */

declare(strict_types=1);

namespace Swt;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

/**
 * Regenerate spectra one.
 *
 * @return void
 * @since 1.0.5
 */
function run_function_after_theme_update(): void {
	$version          = wp_get_theme()->get( 'Version' );
	$update_callbacks = backward_compatibility_update_callbacks();

	if ( $version ) {
		/** @psalm-suppress PossiblyInvalidArgument */ // phpcs:ignore Generic.Commenting.DocComment.MissingShort -- $version comes from wordpress function itself.
		[ $current_version ] = explode( '-', $version );
		$old_version             = get_option( 'swt_theme_version' );

		if ( $old_version !== $current_version && $old_version < $current_version ) {
			// Run your function here.

			updater_spectra_plugin_fonts();
			updater_custom_fonts_plugin();

			if ( false !== $old_version && isset( $update_callbacks[ $current_version ] ) ) {
				/**
				 * Run the backward compatibility callback for the old users
				 * according to the theme's current version.
				 */
				call_user_func( $update_callbacks[ $current_version ] );
			}

			// Update not to run twice.
			update_option( 'swt_theme_version', $current_version );
		}
	}
}
add_action( 'after_setup_theme', SWT_NS . 'run_function_after_theme_update' );

/**
 * Implement theme update logic.
 *
 * @return void
 * @since 1.0.5
 */
function remove_option_after_theme_update(): void {
	delete_option( 'swt_theme_version' );
}
add_action( 'switch_theme', SWT_NS . 'remove_option_after_theme_update' );

/**
 * Update fonts for the Spectra plugin.
 *
 * This function checks if the Spectra plugin is active,
 * retrieves the Spectra global FSE fonts option from the admin settings,
 * and saves Google fonts to the theme using the UAGB_FSE_Fonts_Compatibility class.
 *
 * @return void
 */
function updater_spectra_plugin_fonts(): void {

	if ( is_spectra_plugin() ) {
		/** @psalm-suppress UndefinedClass */ // phpcs:ignore Generic.Commenting.DocComment.MissingShort -- Needed to Regenerate fonts.
		$spectra_global_fse_fonts = \UAGB_Admin_Helper::get_admin_settings_option( 'spectra_global_fse_fonts', array() );

		if ( empty( $spectra_global_fse_fonts ) || ! is_array( $spectra_global_fse_fonts ) ) {
			return;
		}
		/** @psalm-suppress UndefinedClass */ // phpcs:ignore Generic.Commenting.DocComment.MissingShort -- Needed to Regenerate fonts.
		$uagb_fonts = new \UAGB_FSE_Fonts_Compatibility();

		/** @psalm-suppress UndefinedClass */ // phpcs:ignore Generic.Commenting.DocComment.MissingShort -- Needed to Regenerate fonts.
		$uagb_fonts->save_google_fonts_to_theme();
	}
}

/**
 * Update fonts for the custom fonts plugin.
 *
 * This function checks if the custom fonts plugin is active,
 * retrieves all existing font posts,
 * and updates the FSE theme JSON using the bcf_google_fonts_compatibility() function.
 *
 * @return void
 */
function updater_custom_fonts_plugin(): void {

	/** @psalm-suppress UndefinedFunction */ // phpcs:ignore Generic.Commenting.DocComment.MissingShort -- Needed to Regenerate fonts.
	$is_custom_font_plugin = is_custom_fonts_plugin();
	if ( $is_custom_font_plugin ) {
		/** @psalm-suppress UndefinedClass */ // phpcs:ignore Generic.Commenting.DocComment.MissingShort -- Needed to Regenerate fonts.
		$all_fonts = \Bsf_Custom_Fonts_Render::get_instance()->get_existing_font_posts();

		if ( empty( $all_fonts ) || ! is_array( $all_fonts ) ) {
			return;
		}
		// @codingStandardsIgnoreStart
		/**
		 * @psalm-suppress UndefinedClass
		 * @psalm-suppress UndefinedFunction
		 */
		bcf_google_fonts_compatibility()->update_fse_theme_json();
		// @codingStandardsIgnoreEnd
	}
}

/**
 * Callback functions to run for backward compatibility upgrade process.
 *
 * @return array
 */
function backward_compatibility_update_callbacks() {
	return array(
		'1.1.1' => SWT_NS . 'backward_compatibility_1_1_1',
	);
}

/**
 * Handle backward compatibility for v1.1.1
 *
 * @return void
 * @since 1.1.1
 */
function backward_compatibility_1_1_1(): void {
	$swt_theme_options = get_option( 'swt_theme_options', array() );

	if ( ! isset( $swt_theme_options['enable_default_spacing_paddings'] ) ) {
		$swt_theme_options['enable_default_spacing_paddings'] = true;

		update_option( 'swt_theme_options', $swt_theme_options );
	}
}