<?php
// temperature_handler_simple.php - Pojednostavljena verzija SA ERROR PRIKAZOM
error_reporting(E_ALL);
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);

// Logovanje grešaka
ini_set('log_errors', 1);
ini_set('error_log', '/tmp/php_errors.log');

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

echo "Script started...\n";

// Baza podataka
$host = 'localhost';
$db   = 'temperature_db';
$user = 'temperature_user';
$pass = 'secure_password_123';

try {
    echo "Connecting to database...\n";
    
    // Konekcija sa bazom
    $pdo = new PDO("mysql:host=$host;dbname=$db", $user, $pass);
    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    
    echo "Database connected successfully\n";
    
    // Primanje podataka
    $json = file_get_contents('php://input');
    echo "Received data: " . $json . "\n";
    
    $data = json_decode($json, true);
    
    if (!$data) {
        throw new Exception('Invalid JSON: ' . json_last_error_msg());
    }
    
    echo "JSON parsed successfully\n";
    
    // Snimanje u bazu
    $stmt = $pdo->prepare("INSERT INTO temperature_logs (sensor_id, temperature, humidity, pressure, heating_command) VALUES (?, ?, ?, ?, ?)");
    
    $result = $stmt->execute([
        $data['sensor_id'] ?? 'unknown',
        $data['temperature'] ?? 0,
        $data['humidity'] ?? null,
        $data['pressure'] ?? null,
        'off'
    ]);
    
    echo "Database insert result: " . ($result ? "success" : "failed") . "\n";
    
    if ($result) {
        $response = [
            'status' => 'success',
            'insert_id' => $pdo->lastInsertId(),
            'message' => 'Data saved successfully'
        ];
    } else {
        $response = [
            'status' => 'error',
            'message' => 'Insert failed',
            'error_info' => $stmt->errorInfo()
        ];
    }
    
    echo json_encode($response);
    
} catch (Exception $e) {
    http_response_code(500);
    $errorResponse = [
        'status' => 'error',
        'message' => $e->getMessage(),
        'file' => $e->getFile(),
        'line' => $e->getLine()
    ];
    echo json_encode($errorResponse);
    error_log("Temperature Handler Error: " . $e->getMessage());
}
?>