<?php
if ( ! defined( 'ABSPATH' ) ) {
    exit;
}

final class SG7G_Assets {
    public static function init(): void {
        add_action( 'admin_enqueue_scripts', array( __CLASS__, 'admin' ) );
        add_action( 'wp_enqueue_scripts', array( __CLASS__, 'public_assets' ) );
    }

    public static function admin( string $hook ): void {
        $screen          = get_current_screen();
        $is_media_screen = $screen && 'sg7g_media' === $screen->post_type;
        $is_settings     = str_contains( $hook, 'sg7g-settings' );
        $is_statistics   = str_contains( $hook, 'sg7g-statistics' );

        if ( ! $is_media_screen && ! $is_settings && ! $is_statistics ) {
            return;
        }

        wp_enqueue_style( 'sg7g-admin', SG7G_URL . 'assets/css/admin.css', array(), self::asset_version( 'assets/css/admin.css' ) );

        if ( $is_statistics ) {
            wp_enqueue_script( 'sg7g-statistics', SG7G_URL . 'assets/js/statistics.js', array(), self::asset_version( 'assets/js/statistics.js' ), true );
            wp_localize_script(
                'sg7g-statistics',
                'sg7gStatistics',
                array(
                    'endpoint'   => rest_url( '7sgaleri/v1/statistics' ),
                    'nonce'      => wp_create_nonce( 'wp_rest' ),
                    'interval'   => 5000,
                    'refreshing' => __( 'Refreshing interaction data…', '7sgaleri' ),
                    'updated'    => __( 'Interaction data is up to date.', '7sgaleri' ),
                    'error'      => __( 'Live statistics could not be refreshed.', '7sgaleri' ),
                )
            );
            return;
        }

        if ( $is_settings ) {
            wp_enqueue_media();
            wp_enqueue_script( 'sg7g-settings', SG7G_URL . 'assets/js/settings.js', array( 'jquery', 'jquery-ui-sortable' ), self::asset_version( 'assets/js/settings.js' ), true );
            wp_localize_script(
                'sg7g-settings',
                'sg7gSettings',
                array(
                    'slotLead'        => __( 'Large card', '7sgaleri' ),
                    'slotLarge'       => /* translators: %d: Large showcase card number. */ __( 'Large card %d', '7sgaleri' ),
                    'slotSupport'     => /* translators: %d: Small showcase card number. */ __( 'Small card %d', '7sgaleri' ),
                    'slotReserve'     => __( 'Reserve queue', '7sgaleri' ),
                    'slotUnpublished' => __( 'Not displayed on the front end', '7sgaleri' ),
                    'position'        => /* translators: %d: Content position. */ __( 'Position %d', '7sgaleri' ),
                    'unsaved'         => __( 'There are unsaved changes.', '7sgaleri' ),
                    'saving'          => __( 'Saving settings…', '7sgaleri' ),
                    'desktopPreview'  => __( 'Desktop preview', '7sgaleri' ),
                    'mobilePreview'   => __( 'Mobile preview', '7sgaleri' ),
                    'heroImageTitle'  => __( 'Select hero image', '7sgaleri' ),
                    'heroImageButton' => __( 'Use this image', '7sgaleri' ),
                )
            );
            return;
        }

        if ( ! $is_media_screen || 'post' !== $screen->base ) {
            return;
        }

        wp_enqueue_media();
        wp_enqueue_script( 'sg7g-admin', SG7G_URL . 'assets/js/admin.js', array( 'jquery' ), self::asset_version( 'assets/js/admin.js' ), true );
        $source_labels = array();
        foreach ( SG7G_Meta_Boxes::sources() as $source_group ) {
            $source_labels += $source_group;
        }

        wp_localize_script(
            'sg7g-admin',
            'sg7gAdmin',
            array(
                'titleVideo'      => __( 'Select video file', '7sgaleri' ),
                'titleAudio'      => __( 'Select audio file', '7sgaleri' ),
                'button'          => __( 'Use this file', '7sgaleri' ),
                'valid'           => __( 'Link recognized:', '7sgaleri' ),
                'invalid'         => __( 'This link does not appear to belong to a supported platform.', '7sgaleri' ),
                'missing'         => __( 'Enter a valid link or select a file from the Media Library.', '7sgaleri' ),
                'previewBlocked'  => __( 'This source does not provide a live preview in the admin screen; the link will be validated when saved.', '7sgaleri' ),
                'youtubeNoCookie' => SG7G_Settings::enabled( 'youtube_nocookie' ),
                'sourceLabels'    => $source_labels,
            )
        );
    }

    public static function public_assets(): void {
        if ( ! is_singular( 'sg7g_media' ) && ! is_post_type_archive( 'sg7g_media' ) && ! is_tax( array( 'sg7g_category', 'sg7g_tag' ) ) ) {
            return;
        }

        wp_enqueue_style( 'sg7g-public', SG7G_URL . 'assets/css/public.css', array(), self::asset_version( 'assets/css/public.css' ) );
        wp_add_inline_style( 'sg7g-public', self::dynamic_css() );

        wp_enqueue_script( 'sg7g-public', SG7G_URL . 'assets/js/public.js', array(), self::asset_version( 'assets/js/public.js' ), true );
        wp_script_add_data( 'sg7g-public', 'strategy', 'defer' );

        $singular_post_id = is_singular( 'sg7g_media' ) ? get_queried_object_id() : 0;
        $can_track_view   = $singular_post_id > 0 && ! post_password_required( $singular_post_id );

        wp_localize_script(
            'sg7g-public',
            'sg7gPublic',
            array(
                'postId'          => $can_track_view ? $singular_post_id : 0,
                'viewEndpoint'    => $can_track_view ? rest_url( '7sgaleri/v1/view/' . $singular_post_id ) : '',
                'viewToken'       => $can_track_view ? SG7G_Views::token( $singular_post_id ) : '',
                'loadError'       => __( 'The player could not be loaded.', '7sgaleri' ),
                'metricsEndpoint' => rest_url( '7sgaleri/v1/metrics' ),
                'searchEndpoint'  => rest_url( '7sgaleri/v1/search' ),
                'searchLoading'   => __( 'Searching…', '7sgaleri' ),
                'searchError'     => __( 'The search could not be completed right now. Please try again.', '7sgaleri' ),
                'searchEmpty'     => __( 'No content matched your search.', '7sgaleri' ),
                'searchTitle'     => __( 'Search results', '7sgaleri' ),
                'searchPrevious'  => __( 'Previous', '7sgaleri' ),
                'searchNext'      => __( 'Next', '7sgaleri' ),
                'searchPageLabel' => __( 'Search results pages', '7sgaleri' ),
                'paginationMode'   => (string) SG7G_Settings::get( 'pagination_mode', 'numbers' ),
                'loadMore'         => __( 'Load More', '7sgaleri' ),
                'loadingMore'      => __( 'Loading content…', '7sgaleri' ),
                'loadMoreError'    => __( 'New content could not be loaded. Please try again.', '7sgaleri' ),
                'shareCopied'     => __( 'Link copied.', '7sgaleri' ),
                'shareCopyError'  => __( 'The link could not be copied.', '7sgaleri' ),
                'likeLabel'       => __( 'Like', '7sgaleri' ),
                'likedLabel'      => __( 'Liked', '7sgaleri' ),
                'likeError'       => __( 'Your like could not be saved. Please try again.', '7sgaleri' ),
                'restNonce'       => is_user_logged_in() ? wp_create_nonce( 'wp_rest' ) : '',
            )
        );
    }

    /**
     * Use each asset's modification time so a prefix or selector migration can never
     * leave a browser/CDN serving an incompatible cached stylesheet or script.
     */
    private static function asset_version( string $relative_path ): string {
        $path = SG7G_DIR . ltrim( $relative_path, '/' );
        $time = is_file( $path ) ? filemtime( $path ) : false;

        return SG7G_VERSION . '-' . ( false !== $time ? (string) $time : '0' );
    }

    private static function dynamic_css(): string {
        $settings = SG7G_Settings::all();
        $width = 'custom' === $settings['width_mode']
            ? absint( $settings['custom_width'] ) . 'px'
            : 'var(--ys-site-width, var(--ys-container-width, var(--site-width, var(--container-width, var(--wp--style--global--wide-size, 1440px)))))';

        $declarations = array(
            '--sg7g-width:' . $width,
            '--sg7g-text:' . ( sanitize_hex_color( $settings['text_color'] ) ?: '#161616' ),
            '--sg7g-muted:' . ( sanitize_hex_color( $settings['muted_color'] ) ?: '#696969' ),
            '--sg7g-line:' . ( sanitize_hex_color( $settings['line_color'] ) ?: '#dedede' ),
            '--sg7g-surface:' . ( sanitize_hex_color( $settings['surface_color'] ) ?: '#f4f4f4' ),
            '--sg7g-hero-eyebrow-color:' . ( sanitize_hex_color( $settings['hero_eyebrow_color'] ?? '' ) ?: '#ffffff' ),
            '--sg7g-hero-title-color:' . ( sanitize_hex_color( $settings['hero_title_color'] ?? '' ) ?: '#ffffff' ),
            '--sg7g-hero-description-color:' . ( sanitize_hex_color( $settings['hero_description_color'] ?? '' ) ?: '#ffffff' ),
            '--sg7g-hero-quote-color:' . ( sanitize_hex_color( $settings['hero_quote_color'] ?? '' ) ?: '#ffffff' ),
            '--sg7g-popular-like-color:' . ( sanitize_hex_color( $settings['popular_like_color'] ?? '' ) ?: '#a13b43' ),
            '--sg7g-featured-area-title-size:' . max( 1, absint( $settings['featured_area_title_size'] ?? 32 ) ) . 'px',
            '--sg7g-card-title-size:' . absint( $settings['card_title_size'] ) . 'px',
            '--sg7g-card-title-mobile:' . absint( $settings['card_title_mobile'] ) . 'px',
            '--sg7g-featured-title-size:' . absint( $settings['featured_title_size'] ) . 'px',
            '--sg7g-featured-title-mobile:' . absint( $settings['featured_title_mobile'] ) . 'px',
            '--sg7g-single-title-size:' . absint( $settings['single_title_size'] ) . 'px',
            '--sg7g-single-title-mobile:' . absint( $settings['single_title_mobile'] ) . 'px',
            '--sg7g-content-text-size:' . absint( $settings['content_text_size'] ) . 'px',
            '--sg7g-content-text-mobile:' . absint( $settings['content_text_mobile'] ) . 'px',
            '--sg7g-hero-eyebrow-size:' . absint( $settings['hero_eyebrow_size'] ?? 12 ) . 'px',
            '--sg7g-hero-eyebrow-mobile:' . absint( $settings['hero_eyebrow_mobile'] ?? 11 ) . 'px',
            '--sg7g-hero-title-size:' . absint( $settings['hero_title_size'] ?? 72 ) . 'px',
            '--sg7g-hero-title-mobile:' . absint( $settings['hero_title_mobile'] ?? 48 ) . 'px',
            '--sg7g-hero-description-size:' . absint( $settings['hero_description_size'] ?? 18 ) . 'px',
            '--sg7g-hero-description-mobile:' . absint( $settings['hero_description_mobile'] ?? 15 ) . 'px',
            '--sg7g-hero-quote-size:' . absint( $settings['hero_quote_size'] ?? 19 ) . 'px',
            '--sg7g-hero-quote-mobile:' . absint( $settings['hero_quote_mobile'] ?? 15 ) . 'px',
        );

        if ( 'custom' === (string) $settings['typography_mode'] ) {
            $declarations[] = '--sg7g-hero-title-font:' . self::font_stack( (string) $settings['hero_title_font'] );
            $declarations[] = '--sg7g-hero-text-font:' . self::font_stack( (string) $settings['hero_text_font'] );
            $declarations[] = '--sg7g-hero-title-weight:' . absint( $settings['hero_title_weight'] );
            $declarations[] = '--sg7g-hero-text-weight:' . absint( $settings['hero_text_weight'] );
            $declarations[] = '--sg7g-title-font:' . self::font_stack( (string) $settings['title_font'] );
            $declarations[] = '--sg7g-featured-font:' . self::font_stack( (string) $settings['featured_font'] );
            $declarations[] = '--sg7g-body-font:' . self::font_stack( (string) $settings['body_font'] );
            $declarations[] = '--sg7g-single-title-font:' . self::font_stack( (string) $settings['single_title_font'] );
            $declarations[] = '--sg7g-title-weight:' . absint( $settings['title_weight'] );
            $declarations[] = '--sg7g-featured-weight:' . absint( $settings['featured_weight'] );
            $declarations[] = '--sg7g-single-title-weight:' . absint( $settings['single_title_weight'] );
            $declarations[] = '--sg7g-body-weight:' . absint( $settings['body_weight'] );
        } else {
            $declarations[] = '--sg7g-hero-title-font:inherit';
            $declarations[] = '--sg7g-hero-text-font:inherit';
            $declarations[] = '--sg7g-hero-title-weight:inherit';
            $declarations[] = '--sg7g-hero-text-weight:inherit';
            $declarations[] = '--sg7g-title-font:inherit';
            $declarations[] = '--sg7g-featured-font:inherit';
            $declarations[] = '--sg7g-body-font:inherit';
            $declarations[] = '--sg7g-single-title-font:inherit';
            $declarations[] = '--sg7g-title-weight:inherit';
            $declarations[] = '--sg7g-featured-weight:inherit';
            $declarations[] = '--sg7g-single-title-weight:inherit';
            $declarations[] = '--sg7g-body-weight:inherit';
        }

        return '.sg7g-archive,.sg7g-single{' . implode( ';', $declarations ) . ';}';
    }

    private static function font_stack( string $font ): string {
        $stacks = array(
            'theme'           => 'inherit',
            'system_sans'     => 'system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif',
            'editorial_serif' => 'Georgia,"Times New Roman",serif',
            'classic_serif'   => '"Times New Roman",Times,serif',
        );

        return $stacks[ $font ] ?? $stacks['theme'];
    }
}