package builder;

public class Main {

    public static void main(String[] args) {

        // Simple GET — only the required field
        HttpRequest ping = new HttpRequest.Builder()
            .url("https://api.example.com/health")
            .build();

        System.out.println("Simple GET: " + ping);

        // Full POST with authentication and retry
        HttpRequest post = new HttpRequest.Builder()
            .url("https://api.example.com/orders")
            .method("POST")
            .body("{\"item\":\"book\",\"qty\":1}")
            .header("Content-Type", "application/json")
            .header("Authorization", "Bearer eyJ...")
            .timeoutMs(10_000)   // 10 seconds — name is self-documenting
            .maxRetries(3)
            .build();

        System.out.println("POST: " + post);

        // build() throws if url is missing — validation at construction time
        try {
            HttpRequest bad = new HttpRequest.Builder().build(); // no URL!
        } catch (IllegalStateException e) {
            System.out.println("Caught: " + e.getMessage()); // url() is required
        }

        // Using the Director for the two standard presets defined above
        HttpClientConfig config = new HttpClientConfig();
        HttpRequest healthCheck = config.buildHealthCheck("https://api.example.com");
        System.out.println("Health check: " + healthCheck);

        HttpRequest order = config.buildResilientPost("https://api.example.com/orders", "{\"qty\":1}");
        System.out.println("Order: " + order);
    }
}