<?php
/**
 * Contexte Twig global (menus, contenu général, axes courants, URL annonces,
 * sélecteur de langue). Branché sur le filtre timber/context.
 */

function add_to_context($context) {
    $current_lang = thalim_current_language();

    // menus
    $menu_slug = ($current_lang === 'en') ? 'Navigation-en' : 'Navigation';
    $context['menu'] = Timber::get_menu($menu_slug);

    $footer_menu_slug = ($current_lang === 'en') ? 'Footer-en' : 'Footer';
    $context['footer_menu'] = Timber::get_menu($footer_menu_slug);

    // contenus généraux (single post, bilingual)
    $gc_posts = Timber::get_posts([
        'post_type'      => 'contenu_general',
        'posts_per_page' => 1,
        'orderby'        => 'ID',
        'order'          => 'ASC',
    ]);
    $gc_post = $gc_posts[0] ?? null;
    if ( $gc_post ) {
        $context['gc'] = [
            'umr'                 => thalim_bilingual( $gc_post->umr ?: '', $current_lang ),
            'thalim'              => thalim_bilingual( $gc_post->thalim ?: '', $current_lang ),
            'siecles'             => thalim_bilingual( $gc_post->siecles ?: '', $current_lang ),
            'presentation'        => ( $current_lang === 'en' && $gc_post->presentation_en ) ? $gc_post->presentation_en : $gc_post->presentation,
            'presentation_detail' => ( $current_lang === 'en' && $gc_post->presentation_detail_en ) ? $gc_post->presentation_detail_en : $gc_post->presentation_detail,
        ];
    } else {
        $context['gc'] = [];
    }

    $context['current_language'] = $current_lang;

    // Axes thématiques courants (annee_fin >= current year) for navigation dropdown
    $current_year = (int) date('Y');
    $all_axes = get_terms(['taxonomy' => 'axe_thematique', 'hide_empty' => false, 'orderby' => 'name']);
    $axes_courants = [];
    if (!is_wp_error($all_axes)) {
        foreach ($all_axes as $axe) {
            $fin = (int) get_term_meta($axe->term_id, 'annee_fin', true);
            if ($fin >= $current_year) {
                $link = get_term_link($axe);
                if (!is_wp_error($link)) {
                    $axes_courants[] = [
                        'name'  => thalim_bilingual($axe->name, $current_lang),
                        'link'  => $link,
                        'ordre' => (int) get_term_meta($axe->term_id, 'ordre_daffichage', true),
                    ];
                }
            }
        }
        usort($axes_courants, fn($a, $b) => $a['ordre'] <=> $b['ordre']);
    }
    $context['axes_courants'] = $axes_courants;

    // Annonces page URL (language-aware)
    $annonces_page = get_page_by_path('annonces');
    $annonces_base = $annonces_page ? get_permalink($annonces_page->ID) : home_url('/annonces/');
    $context['annonces_url'] = $annonces_base;

    // Language switcher
    $context['languages'] = thalim_language_switcher();

    return $context;
}
add_filter('timber/context', 'add_to_context');