<?php
header('Content-Type: application/json');

ini_set('display_errors', 0);
error_reporting(0);

if (session_status() === PHP_SESSION_NONE) {
    session_start();
}

include('include/headscript.php');

$dbHandler = DBHandlerSelect::getInstance();
$pdo = $dbHandler->getConnection();

// Verifica utente loggato
if (!isset($iduserlogin)) {
    echo json_encode(['type' => 'danger', 'message' => 'Sessione scaduta']);
    exit;
}

// Prendi shop_id
$stmt = $pdo->prepare("SELECT id FROM shops WHERE owner_id = ? ORDER BY created_at ASC LIMIT 1");
$stmt->execute([$iduserlogin]);
$shop = $stmt->fetch(PDO::FETCH_ASSOC);

if (!$shop) {
    echo json_encode(['type' => 'danger', 'message' => 'Salone non trovato']);
    exit;
}

$shop_id = (int)$shop['id'];

try {
    $days = ['0', '1', '2', '3', '4', '5', '6'];

    $pdo->beginTransaction();

    // Cancella vecchi orari
    $pdo->prepare("DELETE FROM shop_hours WHERE shop_id = ?")->execute([$shop_id]);

    foreach ($days as $day) {
        $is_open      = isset($_POST["is_open_$day"]) ? 1 : 0;
        $open_time    = !empty($_POST["open_time_$day"]) ? $_POST["open_time_$day"] : null;
        $close_time   = !empty($_POST["close_time_$day"]) ? $_POST["close_time_$day"] : null;
        $open_time_2  = !empty($_POST["open_time_2_$day"]) ? $_POST["open_time_2_$day"] : null;
        $close_time_2 = !empty($_POST["close_time_2_$day"]) ? $_POST["close_time_2_$day"] : null;
        $notes        = trim($_POST["notes_$day"] ?? '');

        // Validazione
        if ($is_open) {
            if (!$open_time || !$close_time) {
                throw new Exception("Per i giorni aperti è obbligatorio impostare orario apertura e chiusura.");
            }
            if (strtotime($close_time) <= strtotime($open_time)) {
                throw new Exception("L'orario di chiusura deve essere dopo l'apertura.");
            }
            if ($open_time_2 && $close_time_2 && strtotime($close_time_2) <= strtotime($open_time_2)) {
                throw new Exception("Il secondo orario di chiusura deve essere dopo l'apertura.");
            }
        }

        $stmt = $pdo->prepare("
            INSERT INTO shop_hours 
            (shop_id, day_of_week, is_open, open_time, close_time, open_time_2, close_time_2, notes)
            VALUES (?, ?, ?, ?, ?, ?, ?, ?)
        ");
        $stmt->execute([
            $shop_id,
            $day,
            $is_open,
            $open_time,
            $close_time,
            $open_time_2,
            $close_time_2,
            $notes ?: null
        ]);
    }

    $pdo->commit();
    echo json_encode(['type' => 'success', 'message' => 'Orari di apertura salvati con successo!']);
} catch (Throwable $e) {
    $pdo->rollBack();
    echo json_encode(['type' => 'danger', 'message' => 'Errore: ' . $e->getMessage()]);
}