Method: sendEmail

<?php
    
use Lib\PHPMailer\Mailer;
use Lib\StateManager;
    
// Retrieve states
$errorMessage = StateManager::getState('errorMessage', ['status' => false, 'message' => '']);
$name         = StateManager::getState('name');
$email        = StateManager::getState('email');
$subject      = StateManager::getState('subject');
$message      = StateManager::getState('message');
    
function sendEmail($data)
{
    // Update state inputs
    foreach ($data as $key => $value) {
        StateManager::setState($key, $value);
    }
    
    // Basic Validation
    foreach ($data as $key => $value) {
        if (empty($value)) {
            StateManager::setState('errorMessage', ['status' => false, 'message' => "Please fill out the $key field."]);
            return;
        }
    }
    
    $body = <<<EOT
        <h1>New message from {$data->name}</h1>
        <p>Email: {$data->email}</p>
        <p>Message: {$data->message}</p>
EOT;

    try {
        $mailer = new Mailer();
        
        // Using the new Fluent API
        $mailer->to($data->email, $data->name)
               ->subject($data->subject)
               ->html($body)
               ->send();

        StateManager::setState('errorMessage', ['status' => true, 'message' => 'Email sent successfully.']);
        
        // Clear form
        foreach (['name', 'email', 'subject', 'message'] as $key) StateManager::setState($key, '');

    } catch (Exception $e) {
        StateManager::setState('errorMessage', ['status' => false, 'message' => 'Failed to send: ' . $e->getMessage()]);
    }
}
?>

<div class="w-full max-w-md mx-auto p-6">
    <form class="space-y-4" onsubmit="sendEmail" pp-suspense="{'disabled': true}">
        <h1 class="text-2xl font-bold">Contact Us</h1>
        
        <p class="<?= $errorMessage['status'] ? 'text-chart-2' : 'text-destructive' ?>">
            <?= $errorMessage['message'] ?>
        </p>

        <input class="border border-border bg-input rounded-md p-2 w-full" name="email" placeholder="Email" value="<?= $email ?>" />
        <input class="border border-border bg-input rounded-md p-2 w-full" name="subject" placeholder="Subject" value="<?= $subject ?>" />
        <textarea class="border border-border bg-input rounded-md p-2 w-full min-h-[100px]" name="message"><?= $message ?></textarea>
        
        <button type="submit" class="bg-primary text-primary-foreground rounded-md px-4 py-2 w-full" pp-suspense="Sending...">
            Send Email
        </button>
    </form>
</div>