<?php

namespace AcademicCrew\Shortcodes;

use AcademicCrew\Core\ArchiveText;
use AcademicCrew\Core\Loader;
use AcademicCrew\Members\RoleRegistry;

/**
 * [academiccrew_members_archive]
 * Attributes:
 *   default_view="grouped"   grouped | flat
 *   show_stats="yes"
 *   show_bio="no"
 */
class MembersArchiveShortcode {

    public function register( Loader $loader ): void {
        add_shortcode( 'academiccrew_members_archive', [ $this, 'render' ] );
        add_action( 'wp_enqueue_scripts', [ $this, 'maybe_enqueue' ] );
    }

    public function maybe_enqueue(): void {
        $archive_id = (int) get_option( 'academiccrew_members_archive_page_id', 0 );
        if ( ! $archive_id || get_queried_object_id() !== $archive_id ) {
            return;
        }
        wp_enqueue_style(
            'academiccrew-members-archive',
            ACADEMICCREW_URL . 'assets/css/members-archive.css',
            [ 'fusion-stylesheet', 'tabler-icons' ],
            ACADEMICCREW_VERSION
        );
        wp_enqueue_script(
            'academiccrew-members-archive',
            ACADEMICCREW_URL . 'assets/js/members-archive.js',
            [],
            ACADEMICCREW_VERSION,
            true
        );
    }

    public function render( array $atts ): string {
        $atts = shortcode_atts( [
            'default_view' => 'grouped',
            'show_stats'   => 'yes',
            'show_bio'     => 'no',
        ], $atts, 'academiccrew_members_archive' );

        wp_enqueue_style(
            'academiccrew-members-archive',
            ACADEMICCREW_URL . 'assets/css/members-archive.css',
            [ 'fusion-stylesheet', 'tabler-icons' ],
            ACADEMICCREW_VERSION
        );
        wp_enqueue_script(
            'academiccrew-members-archive',
            ACADEMICCREW_URL . 'assets/js/members-archive.js',
            [],
            ACADEMICCREW_VERSION,
            true
        );

        wp_localize_script( 'academiccrew-members-archive', 'ACADEMICCREW_MEMBERS', [
            'restUrl'     => rest_url( 'academiccrew/v1/members' ),
            'filtersUrl'  => rest_url( 'academiccrew/v1/members/filters' ),
            'nonce'       => wp_create_nonce( 'wp_rest' ),
            'defaultView' => $atts['default_view'],
            'showStats'   => $atts['show_stats'] === 'yes',
            'showBio'     => $atts['show_bio'] === 'yes',
            'archiveUrl'  => get_permalink( (int) get_option( 'academiccrew_members_archive_page_id', 0 ) ) ?: '',
            'roleColors'  => RoleRegistry::colors(),
            'i18n'        => [
                'searchPlaceholder' => __( 'Search by name or area...', 'academiccrew' ),
                'noResults'         => __( 'No members match the current filters.', 'academiccrew' ),
                'allRoles'          => __( 'All roles', 'academiccrew' ),
                'allAreas'          => __( 'All areas', 'academiccrew' ),
                'resetFilters'      => __( 'Reset filters', 'academiccrew' ),
                'groupedView'       => __( 'Group by role', 'academiccrew' ),
                'flatView'          => __( 'All members', 'academiccrew' ),
                'members'           => __( 'members', 'academiccrew' ),
                'researchAreas'     => __( 'research areas', 'academiccrew' ),
                'faculty'           => __( 'faculty', 'academiccrew' ),
                'doctoralStudents'  => __( 'doctoral students', 'academiccrew' ),
                'person'            => __( 'person', 'academiccrew' ),
                'people'            => __( 'people', 'academiccrew' ),
                'defaultAffil'      => (string) ( get_option( 'academiccrew_settings', [] )['org_name'] ?? '' ),
                'publications'      => __( 'pubs', 'academiccrew' ),
                'pubs'              => __( 'Pubs', 'academiccrew' ),
                'cit'               => __( 'Cit', 'academiccrew' ),
                'profile'           => __( 'Profile', 'academiccrew' ),
                'orcid'             => 'ORCID',
                'email'             => __( 'Email', 'academiccrew' ),
                'managedLabel'      => __( 'Auto-managed', 'academiccrew' ),
            ],
        ] );

        ob_start();
        ?>
        <header class="acc-ph">
          <div class="acc-ph-eyebrow">
            <span class="acc-ph-bar" aria-hidden="true"></span>
            <?php echo esc_html( ArchiveText::eyebrow( 'people', __( 'The group', 'academiccrew' ) ) ); ?>
          </div>
          <h1 class="acc-ph-title"><?php echo esc_html( ArchiveText::title( 'people', __( 'People', 'academiccrew' ) ) ); ?></h1>
          <p class="acc-ph-lede">
            <?php echo esc_html( ArchiveText::lede( 'people', __( 'Faculty, postdoctoral researchers, doctoral students, and collaborators of the group.', 'academiccrew' ) ) ); ?>
          </p>
        </header>

        <div id="academiccrew-members-archive"
             data-default-view="<?php echo esc_attr( $atts['default_view'] ); ?>"
             role="region"
             aria-label="<?php esc_attr_e( 'Research group members', 'academiccrew' ); ?>">

            <div class="acc-members-skeleton" aria-hidden="true">
                <?php for ( $i = 0; $i < 8; $i++ ) : ?>
                    <div class="acc-member-skeleton-card"></div>
                <?php endfor; ?>
            </div>

            <noscript>
                <?php
                $by_role = [];
                $posts   = get_posts( [
                    'post_type'      => 'academiccrew_member',
                    'post_status'    => 'publish',
                    'posts_per_page' => -1,
                    'orderby'        => 'title',
                    'order'          => 'ASC',
                ] );
                foreach ( $posts as $p ) {
                    $role = get_post_meta( $p->ID, '_acc_member_role', true ) ?: 'collaborator';
                    $by_role[ $role ][] = $p;
                }
                foreach ( $by_role as $role_key => &$role_posts ) {
                    usort( $role_posts, function ( $a, $b ) {
                        $ar = (int) ( get_post_meta( $a->ID, '_acc_role_rank', true ) ?: 0 );
                        $br = (int) ( get_post_meta( $b->ID, '_acc_role_rank', true ) ?: 0 );
                        $ar = $ar > 0 ? $ar : PHP_INT_MAX;
                        $br = $br > 0 ? $br : PHP_INT_MAX;
                        if ( $ar !== $br ) return $ar - $br;
                        $la = (string) ( get_post_meta( $a->ID, '_acc_last_name', true ) ?: '' );
                        $lb = (string) ( get_post_meta( $b->ID, '_acc_last_name', true ) ?: '' );
                        $cmp = strcmp( $la, $lb );
                        if ( $cmp !== 0 ) return $cmp;
                        $fa = (string) ( get_post_meta( $a->ID, '_acc_first_name', true ) ?: '' );
                        $fb = (string) ( get_post_meta( $b->ID, '_acc_first_name', true ) ?: '' );
                        return strcmp( $fa, $fb );
                    } );
                }
                unset( $role_posts );
                foreach ( RoleRegistry::all() as $key => $label ) :
                    if ( empty( $by_role[ $key ] ) ) continue;
                    ?>
                    <h2><?php echo esc_html( $label ); ?></h2>
                    <ul>
                        <?php foreach ( $by_role[ $key ] as $p ) :
                            $page_id = (int) get_post_meta( $p->ID, '_academiccrew_linked_page_id', true );
                            $url     = $page_id ? get_permalink( $page_id ) : get_permalink( $p->ID );
                            ?>
                            <li><a href="<?php echo esc_url( $url ); ?>"><?php echo esc_html( $p->post_title ); ?></a></li>
                        <?php endforeach; ?>
                    </ul>
                <?php endforeach; ?>
            </noscript>
        </div>
        <?php
        return ob_get_clean();
    }
}