/* ══════════════════════════════════════════════════════════════
   4. AUTO-PROCESS QUICK FACTS ON SAVE
   ══════════════════════════════════════════════════════════════ */
function tcc_auto_parse_quick_facts( $post_id, $post, $update ) {

    /* ── Guards ── */
    if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) return;
    if ( wp_is_post_revision( $post_id ) ) return;
    if ( wp_is_post_autosave( $post_id ) ) return;
    if ( ! in_array( $post->post_type, [ 'post', 'page' ], true ) ) return;
    if ( ! current_user_can( 'edit_post', $post_id ) ) return;

    $content = $post->post_content;

    /* ── Heading keywords to look for ── */
    $heading_pattern = 'Quick Facts|Profile|Wiki Facts|About';

    /* ── Only proceed if one of the headings exists ── */
    if ( ! preg_match( '/(' . $heading_pattern . ')/i', $content ) ) return;

    /* ── Label map ── */
    $label_map = [
        'full name'           => '_bio_full_name',
        'real name'           => '_bio_full_name',
        'stage name'          => '_bio_stage_name',
        'nickname'            => '_bio_stage_name',
        'known as'            => '_bio_stage_name',
        'born'                => '_bio_born',
        'date of birth'       => '_bio_born',
        'dob'                 => '_bio_born',
        'birth date'          => '_bio_born',
        'age'                 => '_bio_age',
        'death'               => '_bio_death',
        'died'                => '_bio_death',
        'date of death'       => '_bio_death',
        'passed away'         => '_bio_death',
        'birthplace'          => '_bio_birthplace',
        'place of birth'      => '_bio_birthplace',
        'birth place'         => '_bio_birthplace',
        'hometown'            => '_bio_birthplace',
        'born in'             => '_bio_birthplace',
        'state of origin'     => '_bio_state_origin',
        'nationality'         => '_bio_nationality',
        'ethnicity'           => '_bio_nationality',
        'citizenship'         => '_bio_nationality',
        'occupation'          => '_bio_occupation',
        'profession'          => '_bio_occupation',
        'height'              => '_bio_height',
        'religion'            => '_bio_religion',
        'faith'               => '_bio_religion',
        'parents'             => '_bio_parents',
        'father'              => '_bio_parents',
        'mother'              => '_bio_parents',
        'parent'              => '_bio_parents',
        'siblings'            => '_bio_siblings',
        'sibling'             => '_bio_siblings',
        'spouse'              => '_bio_spouse',
        'husband'             => '_bio_spouse',
        'wife'                => '_bio_spouse',
        'married to'          => '_bio_spouse',
        'children'            => '_bio_children',
        'child'               => '_bio_children',
        'kids'                => '_bio_children',
        'relationship'        => '_bio_relationship',
        'relationship status' => '_bio_relationship',
        'marital status'      => '_bio_relationship',
        'net worth'           => '_bio_net_worth',
        'worth'               => '_bio_net_worth',
        'wealth'              => '_bio_net_worth',
        'earnings'            => '_bio_net_worth',
    ];

    /* ── Values to skip ── */
    $skip_values = [
        'n/a', 'unknown', 'none', 'not available', 'nil',
        'not married', 'not dating', 'no', '-', 'tbd', 'tba',
    ];

    /* ── Extract lines from the facts block ── */
    $lines           = [];
    $block_start     = '';
    $block_end       = '';

    /*
     * Strategy 1 — Gutenberg block format
     * Matches: <!-- wp:heading --> ... <h2>Quick Facts</h2> ... <!-- /wp:heading -->
     *          <!-- wp:list --> ... <li>...</li> ... <!-- /wp:list -->
     */
    $gutenberg_pattern = '/<!--\s*wp:heading[^>]*-->.*?<h[23][^>]*>(?:' . $heading_pattern . ').*?<\/h[23]>.*?<!--\s*\/wp:heading\s*-->\s*(<!--\s*wp:list[^>]*-->.*?<!--\s*\/wp:list\s*-->)/si';

    if ( preg_match( $gutenberg_pattern, $content, $block_match, PREG_OFFSET_CAPTURE ) ) {
        $full_block  = $block_match[0][0];
        $block_start = $block_match[0][0];
        $list_html   = $block_match[1][0];

        if ( preg_match_all( '/<li[^>]*>(.*?)<\/li>/si', $list_html, $li_matches ) ) {
            $lines = array_map( 'wp_strip_all_tags', $li_matches[1] );
        }

    /*
     * Strategy 2 — Classic HTML h2 + ul/li
     */
    } elseif ( preg_match( '/<h2[^>]*>(?:' . $heading_pattern . ').*?<\/h2>(.*?)(?=<h[123456]|\z)/si', $content, $section_match ) ) {
        $block_start = $section_match[0];
        $section     = $section_match[1];

        if ( preg_match_all( '/<li[^>]*>(.*?)<\/li>/si', $section, $li_matches ) ) {
            $lines = array_map( 'wp_strip_all_tags', $li_matches[1] );
        } else {
            preg_match_all( '/[\*\-\•]\s*(.+)/u', wp_strip_all_tags( $section ), $bullet_matches );
            $lines = $bullet_matches[1] ?? [];
        }

    /*
     * Strategy 3 — Plain text / markdown bullet list
     */
    } elseif ( preg_match( '/(?:' . $heading_pattern . ')\s*\n((?:[\*\-\•][^\n]+\n?)+)/i', $content, $section_match ) ) {
        $block_start = $section_match[0];
        preg_match_all( '/[\*\-\•]\s*(.+)/u', $section_match[1], $bullet_matches );
        $lines = $bullet_matches[1] ?? [];
    }

    if ( empty( $lines ) ) return;

    /* ── Parse lines into fields ── */
    $fields = [];

    foreach ( $lines as $line ) {
        $line = trim( wp_strip_all_tags( $line ) );
        $line = preg_replace( '/^[\*\-\•]\s*/', '', $line );
        $line = trim( $line );

        if ( ! preg_match( '/^([^:]+):\s*(.+)$/', $line, $match ) ) continue;

        $raw_label = strtolower( trim( $match[1] ) );
        $value     = trim( $match[2] );

        if ( empty( $value ) ) continue;
        if ( in_array( strtolower( $value ), $skip_values, true ) ) continue;

        /* Strip "years old" from age */
        if ( strpos( $raw_label, 'age' ) !== false ) {
            $value = trim( preg_replace( '/\s*years?\s*old/i', '', $value ) );
        }

        /* Strip trailing USD from net worth */
        if ( strpos( $raw_label, 'worth' ) !== false || strpos( $raw_label, 'wealth' ) !== false ) {
            $value = trim( preg_replace( '/\s*USD$/i', '', $value ) );
        }

        /* Longest pattern match wins */
        $matched_key    = null;
        $matched_length = 0;

        foreach ( $label_map as $pattern => $meta_key ) {
            if ( strpos( $raw_label, $pattern ) !== false && strlen( $pattern ) > $matched_length ) {
                $matched_key    = $meta_key;
                $matched_length = strlen( $pattern );
            }
        }

        if ( ! $matched_key ) continue;
        if ( isset( $fields[ $matched_key ] ) ) continue;

        $fields[ $matched_key ] = sanitize_text_field( $value );
    }

    if ( empty( $fields ) ) return;

    /* ── Save meta — never overwrite existing values ── */
    foreach ( $fields as $meta_key => $value ) {
        $existing = get_post_meta( $post_id, $meta_key, true );
        if ( empty( $existing ) ) {
            update_post_meta( $post_id, $meta_key, $value );
        }
    }

    /* ── Strip the facts block from content ── */
    $new_content = $content;

    if ( ! empty( $block_start ) ) {
        /* Remove the exact matched block */
        $new_content = str_replace( $block_start, '', $new_content );
    }

    /* Fallback: remove any remaining Quick Facts / Profile h2 + list */
    $new_content = preg_replace(
        '/<!--\s*wp:heading[^>]*-->.*?<h[23][^>]*>(?:' . $heading_pattern . ').*?<\/h[23]>.*?<!--\s*\/wp:heading\s*-->\s*<!--\s*wp:list[^>]*-->.*?<!--\s*\/wp:list\s*-->/si',
        '',
        $new_content
    );
    $new_content = preg_replace(
        '/<h2[^>]*>(?:' . $heading_pattern . ').*?<\/h2>.*?(?=<h[123456]|\z)/si',
        '',
        $new_content
    );

    /* Clean up leftover empty paragraphs and block spacers */
    $new_content = preg_replace( '/<!--\s*wp:spacer[^>]*-->.*?<!--\s*\/wp:spacer\s*-->/si', '', $new_content );
    $new_content = preg_replace( '/(<p>\s*<\/p>\s*)+/', '', $new_content );
    $new_content = preg_replace( '/\n{3,}/', "\n\n", $new_content );
    $new_content = trim( $new_content );

    /* ── Insert [bio_infobox] at top if not already present ── */
    if ( strpos( $new_content, '[bio_infobox]' ) === false ) {
        $new_content = '[bio_infobox]' . "\n\n" . $new_content;
    }

    /* ── Update post content only if changed ── */
    if ( $new_content !== $content ) {
        remove_action( 'save_post', 'tcc_auto_parse_quick_facts', 20 );

        wp_update_post([
            'ID'           => $post_id,
            'post_content' => $new_content,
        ]);

        add_action( 'save_post', 'tcc_auto_parse_quick_facts', 20, 3 );
    }
}
add_action( 'save_post', 'tcc_auto_parse_quick_facts', 20, 3 );Requested page is unavailable.