use std::sync::Arc;
use application::testing::{InMemoryUserRepository, StubPasswordHasher};
use application::identity::{RegisterUserCommand, RegisterUserHandler, GetProfileQuery, GetProfileHandler};
use domain::errors::DomainError;
use domain::value_objects::SystemId;

#[tokio::test]
async fn returns_existing_user() {
    let repo = Arc::new(InMemoryUserRepository::new());
    let reg = RegisterUserHandler::new(repo.clone(), Arc::new(StubPasswordHasher));
    let user = reg.execute(RegisterUserCommand {
        username: "alice".into(),
        email: "alice@example.com".into(),
        password: "password123".into(),
    }).await.unwrap();

    let handler = GetProfileHandler::new(repo);
    let found = handler.execute(GetProfileQuery { user_id: user.id }).await.unwrap();
    assert_eq!(found.username, "alice");
}

#[tokio::test]
async fn returns_not_found_for_missing_user() {
    let repo = Arc::new(InMemoryUserRepository::new());
    let handler = GetProfileHandler::new(repo);
    let result = handler.execute(GetProfileQuery { user_id: SystemId::new() }).await;
    assert!(matches!(result, Err(DomainError::NotFound(_))));
}