<?php
$context = Timber::context();
$post    = Timber::get_post();
$context['post'] = $post;

$terms = get_terms( [ 'taxonomy' => 'programme_de_recherche', 'hide_empty' => false ] );

$sections = [
    'subventionne' => [ 'label' => 'Programmes subventionnés', 'items' => [] ],
    'autre'        => [ 'label' => 'Autres programmes',         'items' => [] ],
    'ancien'       => [ 'label' => 'Anciens programmes',       'items' => [] ],
];

foreach ( $terms as $term ) {
    $type = get_term_meta( $term->term_id, 'type_de_programme', true );

    $item = [
        'name'       => $term->name,
        'description' => wpautop( $term->description ),
        'url'        => get_term_link( $term ),
        'annee_fin'  => (int) get_term_meta( $term->term_id, 'annee_fin', true ),
    ];

    if ( $type === 'Programme subventionné' ) {
        $sections['subventionne']['items'][] = $item;
    } elseif ( $type === 'Ancien programme' ) {
        $sections['ancien']['items'][] = $item;
    } else {
        // "Autre programme" or no type set
        $sections['autre']['items'][] = $item;
    }
}

// Sort by annee_fin descending (most recent end year first); items without a year go last
foreach ( $sections as &$section ) {
    usort( $section['items'], function( $a, $b ) {
        if ( $a['annee_fin'] === $b['annee_fin'] ) return strcmp( $a['name'], $b['name'] );
        if ( ! $a['annee_fin'] ) return 1;
        if ( ! $b['annee_fin'] ) return -1;
        return $b['annee_fin'] - $a['annee_fin'];
    } );
}
unset( $section );

$context['sections']       = array_values( $sections );
$context['page_edit_link'] = current_user_can( 'edit_page', $post->ID ) ? get_edit_post_link( $post->ID ) : '';

Timber::render( 'page-programmes-de-recherche.twig', $context );