<?php
require_once '../config.php';
require_once '../vendor/autoload.php';

use Firebase\JWT\JWT;
use Firebase\JWT\Key;

header('Content-Type: application/json');
header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Methods: GET, POST');
header('Access-Control-Allow-Headers: Content-Type, Authorization');

// Vérification du token JWT
function verify_token() {
    $headers = getallheaders();
    if (!isset($headers['Authorization'])) {
        http_response_code(401);
        echo json_encode(['message' => 'Token manquant']);
        exit();
    }
    $token = str_replace('Bearer ', '', $headers['Authorization']);
    try {
        return JWT::decode($token, new Key(JWT_SECRET, 'HS256'));
    } catch (Exception $e) {
        http_response_code(401);
        echo json_encode(['message' => 'Token invalide']);
        exit();
    }
}

verify_token();

$method = $_SERVER['REQUEST_METHOD'];
$db = get_db();

// GET — Récupérer toutes les données climatiques
if ($method === 'GET') {
    $result = $db->query("SELECT * FROM climate_data ORDER BY timestamp DESC LIMIT 50");
    $data = [];
    while ($row = $result->fetch_assoc()) {
        $data[] = $row;
    }
    echo json_encode($data);

// POST — Ajouter une donnée climatique
} elseif ($method === 'POST') {
    $body = json_decode(file_get_contents('php://input'), true);
    $stmt = $db->prepare("INSERT INTO climate_data (temperature, humidity, pressure, luminosity) VALUES (?, ?, ?, ?)");
    $stmt->bind_param("dddd",
        $body['temperature'],
        $body['humidity'],
        $body['pressure'],
        $body['luminosity']
    );
    $stmt->execute();
    http_response_code(201);
    echo json_encode(['message' => 'Donnée ajoutée avec succès']);
}

$db->close();
?>