<?php
include('include/headscript.php');

// Connessione al database
$conn = new mysqli($servername, $username, $password, $database);

// Recupera l'id utente loggato
$iduserlogin = $_SESSION['iduserlogin'];

// Recupera l'id della casa dall'URL
$idhome = isset($_GET['idhome']) ? intval($_GET['idhome']) : 0;

// Recupera lo slug dalla richiesta
$docpage = isset($_GET['slug']) ? $_GET['slug'] : 'legal';

// Recupera il parametro showOnlyRequired
$showOnlyRequired = isset($_GET['showOnlyRequired']) && $_GET['showOnlyRequired'] === 'true';

// Recupera i dettagli della casa (per verifica accesso)
$queryHome = $conn->prepare("SELECT * FROM home WHERE idhome = ? AND iduser = ?");
$queryHome->bind_param('ii', $idhome, $iduserlogin);
$queryHome->execute();
$resultHome = $queryHome->get_result();
$homeData = $resultHome->fetch_assoc();

if (!$homeData) {
    header('HTTP/1.1 400 Bad Request');
    die(json_encode(['error' => 'Casa non trovata o accesso non autorizzato']));
}

// Recupera il `page_id` corrispondente allo slug
$queryPageId = $conn->prepare("SELECT idpages FROM pages WHERE slug = ?");
$queryPageId->bind_param('s', $docpage);
$queryPageId->execute();
$resultPageId = $queryPageId->get_result();
$pageData = $resultPageId->fetch_assoc();

if (!$pageData) {
    header('HTTP/1.1 400 Bad Request');
    die(json_encode(['error' => 'Pagina non valida']));
}

$page_id = $pageData['idpages'];

// Recupera i documenti associati al `page_id`, con le sezioni
$sql = "
    SELECT d.*, s.section_name AS section_name
    FROM documents d
    LEFT JOIN sections s ON d.idsections = s.idsections
    WHERE d.page_id = ?
";
if ($showOnlyRequired) {
    $sql .= " AND d.is_required = 1";
}
$sql .= " ORDER BY s.section_name, d.document_name";

$queryDocuments = $conn->prepare($sql);
$queryDocuments->bind_param('i', $page_id);
$queryDocuments->execute();
$resultDocuments = $queryDocuments->get_result();

$documents = [];
while ($row = $resultDocuments->fetch_assoc()) {
    $sectionName = $row['section_name'] ?: 'Senza sezione';
    $documents[$sectionName][] = $row;
}

// Recupera i documenti già caricati per questa casa
$queryLoadedDocuments = $conn->prepare("SELECT * FROM doc_storage WHERE idhome = ?");
$queryLoadedDocuments->bind_param('i', $idhome);
$queryLoadedDocuments->execute();
$resultLoadedDocuments = $queryLoadedDocuments->get_result();

$loadedDocuments = [];
while ($row = $resultLoadedDocuments->fetch_assoc()) {
    $loadedDocuments[$row['document_id']][] = $row;
}

// Prepara la risposta JSON
$response = [
    'homeName' => $homeData['name'] ?? '',
    'homeAddress' => ($homeData['address'] ?? '') . ', ' . ($homeData['city'] ?? '') . ' ' . ($homeData['zip'] ?? ''),
    'documents' => $documents,
    'loadedDocuments' => $loadedDocuments
];

// Imposta l'header per indicare JSON
header('Content-Type: application/json');

// Evita output extra
echo json_encode($response, JSON_PRETTY_PRINT);
exit;