<?php

declare(strict_types=1);

namespace Beyondwords\Wordpress\Core;

/**
 * BeyondWords Core Utilities.
 *
 * @package    Beyondwords
 * @subpackage Beyondwords/includes
 * @author     Stuart McAlpine <stu@beyondwords.io>
 * @since      3.5.0
 */
defined('ABSPATH') || exit;

class CoreUtils
{
    /**
     * Check to see if the Gutenberg Editor is being used.
     *
     * @link https://wordpress.stackexchange.com/a/324866
     *
     * @since 3.0.0
     * @since 3.5.0 Moved from Core\Utils to Core\CoreUtils
     */
    public static function isGutenbergPage(): bool
    {
        if (function_exists('is_gutenberg_page') && is_gutenberg_page()) {
            // The Gutenberg plugin is on.
            return true;
        }

        $currentScreen = null;

        if (function_exists('get_current_screen')) {
            $currentScreen = get_current_screen();
        }

        if ($currentScreen === null) {
            return false;
        }

        if (method_exists($currentScreen, 'is_block_editor') && $currentScreen->is_block_editor()) {
            // Gutenberg page on 5+.
            return true;
        }

        return false;
    }

    /**
     * Check to see if current screen is an edit screen
     * (this includes the screen that lists the posts).
     *
     * @since 4.0.0
     * @since 4.0.5 Ensure is_admin() and $screen
     */
    public static function isEditScreen(): bool
    {
        if (! is_admin()) {
            return false;
        }

        if (! function_exists('get_current_screen')) {
            return false;
        }

        $screen = get_current_screen();

        if (! $screen || ! ($screen instanceof \WP_Screen)) {
            return false;
        }

        if ($screen->parent_base === 'edit' || $screen->base === 'post') {
            return true;
        }

        return false;
    }

    /**
     * Check if the current request is an AMP request.
     *
     * @return bool True if AMP.
     */
    public static function isAmp(): bool
    {
        return (
            (function_exists('\amp_is_request') && \amp_is_request()) ||
            (function_exists('\ampforwp_is_amp_endpoint') && \ampforwp_is_amp_endpoint()) ||
            (function_exists('\is_amp_endpoint') && \is_amp_endpoint())
        );
    }

    /**
     * Get the BeyondWords post meta keys.
     *
     * @since 4.1.0
     *
     * @param string $type Type (current|deprecated|all).
     *
     * @throws Exception
     *
     * @return string[] Post meta keys.
     **/
    public static function getPostMetaKeys(string $type = 'current'): array
    {
        $current = [
            'beyondwords_generate_audio',
            'beyondwords_integration_method',
            'beyondwords_project_id',
            'beyondwords_content_id',
            'beyondwords_preview_token',
            'beyondwords_player_content',
            'beyondwords_player_style',
            'beyondwords_language_code',
            'beyondwords_language_id', // @todo deprecate in v5.6
            'beyondwords_title_voice_id',
            'beyondwords_body_voice_id',
            'beyondwords_summary_voice_id',
            'beyondwords_error_message',
            'beyondwords_disabled',
            'beyondwords_delete_content',
        ];

        $deprecated = [
            'beyondwords_podcast_id',
            'beyondwords_hash',
            'publish_post_to_speechkit',
            'speechkit_hash',
            'speechkit_generate_audio',
            'speechkit_project_id',
            'speechkit_podcast_id',
            'speechkit_error_message',
            'speechkit_disabled',
            'speechkit_access_key',
            'speechkit_error',
            'speechkit_info',
            'speechkit_response',
            'speechkit_retries',
            'speechkit_status',
            'speechkit_updated_at',
            '_speechkit_link',
            '_speechkit_text',
        ];

        return match ($type) {
            'current' => $current,
            'deprecated' => $deprecated,
            'all' => array_merge($current, $deprecated),
            default => throw new \Exception('Unexpected $type param for CoreUtils::getPostMetaKeys()'),
        };
    }

    /**
     * Get the BeyondWords post meta keys.
     *
     * @since 4.1.0
     *
     * @param string $type Type (current|deprecated|all).
     *
     * @throws Exception
     *
     * @return string[] Post meta keys.
     **/
    public static function getOptions(string $type = 'current'): array
    {
        $current = [
            // v6.x
            'beyondwords_integration_method',
            // v5.x
            'beyondwords_date_activated',
            'beyondwords_notice_review_dismissed',
            'beyondwords_player_call_to_action',
            'beyondwords_player_clickable_sections',
            'beyondwords_player_content',
            'beyondwords_player_highlight_sections',
            'beyondwords_player_skip_button_style',
            'beyondwords_player_theme',
            'beyondwords_player_theme_dark',
            'beyondwords_player_theme_light',
            'beyondwords_player_theme_video',
            'beyondwords_player_widget_position',
            'beyondwords_player_widget_style',
            'beyondwords_project_auto_publish_enabled',
            'beyondwords_project_body_voice_id',
            'beyondwords_project_body_voice_speaking_rate',
            'beyondwords_project_language_code',
            'beyondwords_project_language_id', // @todo deprecate in v5.6
            'beyondwords_project_title_enabled',
            'beyondwords_project_title_voice_id',
            'beyondwords_project_title_voice_speaking_rate',
            'beyondwords_video_enabled',
            'beyondwords_player_ui',
            'beyondwords_player_style',
            'beyondwords_player_version',
            'beyondwords_settings_updated',
            'beyondwords_valid_api_connection',
            // v3.7.0 beyondwords_*
            'beyondwords_api_key',
            'beyondwords_prepend_excerpt',
            'beyondwords_preselect',
            'beyondwords_project_id',
            'beyondwords_version',
            // Debug tool (extension plugin).
            'beyondwords_debug_rest_api',
            'beyondwords_debug_log_token',
        ];

        $deprecated = [
            // v4.x
            'beyondwords_languages',
            // v3.0.0 speechkit_*
            'speechkit_api_key',
            'speechkit_prepend_excerpt',
            'speechkit_preselect',
            'speechkit_project_id',
            'speechkit_version',
            // deprecated < v3.0
            'speechkit_settings',
            'speechkit_enable',
            'speechkit_id',
            'speechkit_select_post_types',
            'speechkit_selected_categories',
            'speechkit_enable_telemetry',
            'speechkit_rollbar_access_token',
            'speechkit_rollbar_error_notice',
            'speechkit_merge_excerpt',
            'speechkit_enable_marfeel_comp',
            'speechkit_wordpress_cron',
        ];

        return match ($type) {
            'current' => $current,
            'deprecated' => $deprecated,
            'all' => array_merge($current, $deprecated),
            default => throw new \Exception('Unexpected $type param for CoreUtils::getOptions()'),
        };
    }
}