<?php

namespace Brandy\Abstracts;

abstract class AbstractNicheSetup {

	public const NICHE_ID = '';

	protected const JSON_FILE = '';

	protected function __construct() {
		add_action( 'init', array( $this, 'init_action' ) );
	}

	public function init_action() {
		add_action( 'brandy_after_import_menus', array( $this, 'after_import_menus' ), 10, 2 );
		if ( self::is_current_niche() ) {
			add_filter( 'wp_theme_json_data_theme', array( $this, 'make_json_as_default' ) );
		}

		add_action( 'brandy_after_' . static::NICHE_ID . '_installing_template_settings', array( $this, 'update_global_styles' ) );
	}

	abstract public static function get_niche_data();

	public function after_import_menus( $niche_id, $menus = array() ) {
		if ( static::NICHE_ID !== $niche_id ) {
			return;
		}
		$locations = get_nav_menu_locations();
		foreach ( $menus as $menu_info ) {
			if ( empty( $menu_info['locations'] ) ) {
				continue;
			}
			foreach ( $menu_info['locations'] as $location ) {
				$locations[ $location ] = $menu_info['id'];
			}
		}
		set_theme_mod( 'nav_menu_locations', $locations );
	}

	public function make_json_as_default( $theme_json ) {
		$niche_json_file = static::JSON_FILE;
		$niche_json_data = json_decode( file_get_contents( $niche_json_file ), true );
		return $theme_json->update_with( $niche_json_data );
	}

	private function update_global_styles() {

		$json_file = static::JSON_FILE;

		if ( empty( $json_file ) || ! file_exists( $json_file ) ) {
			return;
		}

		$active_global_styles_id = \WP_Theme_JSON_Resolver::get_user_global_styles_post_id();
		$changes                 = new \stdClass();
		$changes->ID             = $active_global_styles_id;

		$post            = get_post( $active_global_styles_id );
		$existing_config = array();
		if ( $post ) {
			$existing_config     = json_decode( $post->post_content, true );
			$json_decoding_error = json_last_error();
			if ( JSON_ERROR_NONE !== $json_decoding_error || ! isset( $existing_config['isGlobalStylesUserThemeJSON'] ) ||
				! $existing_config['isGlobalStylesUserThemeJSON'] ) {
				$existing_config = array();
			}
		}

		$data = json_decode( file_get_contents( $json_file ), true );

		$config = array();
		if ( isset( $data['settings'] ) ) {
			$config['settings'] = Helpers::recursive_wp_parse_args( $data['settings'], $existing_config['settings'] );
		}
		if ( isset( $data['styles'] ) ) {
			$config['styles'] = Helpers::recursive_wp_parse_args( $data['styles'], $existing_config['styles'] );
		}
		$config['isGlobalStylesUserThemeJSON'] = true;
		$config['version']                     = \WP_Theme_JSON::LATEST_SCHEMA;
		$changes->post_content                 = wp_json_encode( $config );
		$result                                = wp_update_post( wp_slash( (array) $changes ), true, false );

		return $changes;
	}

	public static function is_current_niche() {
		return brandy_is_current_niche( static::NICHE_ID );
	}

}