use rhailib_dsl::payment::register_payment_rhai_module;
use rhai::{Engine, EvalAltResult, Scope};
use std::fs;
use std::env;

#[tokio::main]
async fn main() -> Result<(), Box<EvalAltResult>> {
    // Load environment variables from .env file
    dotenv::from_filename("examples/payment/.env").ok();
    
    // Get Stripe API key from environment
    let stripe_secret_key = env::var("STRIPE_SECRET_KEY")
        .unwrap_or_else(|_| {
            println!("⚠️  STRIPE_SECRET_KEY not found in .env file, using demo key");
            println!("   Create examples/payment/.env with: STRIPE_SECRET_KEY=sk_test_your_key_here");
            "sk_test_demo_key_will_fail_gracefully".to_string()
        });
    
    // Create a new Rhai engine
    let mut engine = Engine::new();
    
    // Register the payment module
    register_payment_rhai_module(&mut engine);
    
    // Create a scope and set the Stripe API key variable
    let mut scope = Scope::new();
    scope.push("STRIPE_API_KEY", stripe_secret_key.clone());
    
    println!("=== Rhai Payment Module Example ===");
    println!("🔑 Using Stripe API key: {}***", &stripe_secret_key[..15.min(stripe_secret_key.len())]);
    println!("Reading and executing payment.rhai script...\n");
    
    // Read the Rhai script
    let script = fs::read_to_string("examples/payment/payment.rhai")
        .expect("Failed to read payment.rhai file");
    
    // Execute the script with the scope
    match engine.eval_with_scope::<()>(&mut scope, &script) {
        Ok(_) => println!("\n✅ Payment script executed successfully!"),
        Err(e) => {
            eprintln!("❌ Error executing script: {}", e);
            return Err(e);
        }
    }
    
    Ok(())
}