//! Example of creating a new did:plc identity

use atproto_plc::{DidBuilder, ServiceEndpoint, SigningKey};

fn main() -> Result<(), Box<dyn std::error::Error>> {
    println!("Creating a new did:plc identity...\n");

    // Create rotation keys (1-5 required)
    println!("Generating rotation key (P-256)...");
    let rotation_key = SigningKey::generate_p256();
    let rotation_did_key = rotation_key.to_did_key();
    println!("  Rotation key: {}\n", rotation_did_key);

    // Create verification method for AT Protocol
    println!("Generating verification method key (secp256k1)...");
    let signing_key = SigningKey::generate_k256();
    let signing_did_key = signing_key.to_did_key();
    println!("  Signing key: {}\n", signing_did_key);

    // Build the DID
    println!("Building DID...");
    let builder = DidBuilder::new()
        .add_rotation_key(rotation_key)
        .add_verification_method("atproto".into(), signing_key)
        .add_also_known_as("at://alice.example.com".into())
        .add_service(
            "atproto_pds".into(),
            ServiceEndpoint::new(
                "AtprotoPersonalDataServer".into(),
                "https://pds.example.com".into(),
            ),
        );

    let (did, operation, keys) = builder.build()?;

    println!("\n✅ Success! Created DID: {}", did);
    println!("\nGenesis Operation:");
    println!("{}", serde_json::to_string_pretty(&operation)?);

    println!("\n📝 Keys Summary:");
    println!("  - Rotation keys: {}", keys.rotation_keys.len());
    println!(
        "  - Verification methods: {}",
        keys.verification_methods.len()
    );

    println!("\n⚠️  Important: Store these keys securely!");
    println!("  The private keys are needed to update or recover this DID.");

    Ok(())
}