<?php
session_start();
if (!isset($_SESSION['user_id'])) {
    header('Content-Type: application/json');
    echo json_encode(['success' => false, 'error' => 'Not authenticated']);
    exit;
}

require_once 'db/config.php';

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

if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
    echo json_encode(['success' => false, 'error' => 'Invalid request method']);
    exit;
}

$id = $_POST['id'] ?? null;
$fecha_recojo = $_POST['fecha_recojo'] ?? '';

if (!$id) {
    echo json_encode(['success' => false, 'error' => 'Missing ID']);
    exit;
}

try {
    $pdo = db();
    $sql = "UPDATE pedidos SET fecha_recojo = ? WHERE id = ?";
    $stmt = $pdo->prepare($sql);
    
    if ($stmt->execute([$fecha_recojo, $id])) {
        echo json_encode(['success' => true]);
    } else {
        echo json_encode(['success' => false, 'error' => 'Failed to execute update']);
    }
} catch (PDOException $e) {
    echo json_encode(['success' => false, 'error' => 'Database error: ' . $e->getMessage()]);
}