from commu.infrastructure.memory_user_repository import InMemoryUserRepository
from commu.infrastructure.memory_post_repository import InMemoryPostRepository
from commu.usecases.user_service import UserService
from commu.usecases.post_service import PostService
from commu.entities.user import UserRole

def main():
    user_repo = InMemoryUserRepository()
    post_repo = InMemoryPostRepository()
    user_service = UserService(user_repo)
    post_service = PostService(post_repo, user_repo)

    # Create users
    admin = user_service.register("alice", UserRole.ADMIN)
    user = user_service.register("bob", UserRole.USER)
    guest = user_service.register("guest", UserRole.GUEST)

    # User creates post
    post = post_service.create_post(user.id, "Hello world!", images=["img1.png"], videos=["vid1.mp4"])
    print(f"Created Post: {post.text}, by {user.username}")

    # Post search
    found = post_service.search_posts("hello")
    print(f"Found {len(found)} posts containing 'hello'.")

    # Post rating
    post_service.rate_post(post.id, admin.id, 5)
    post_service.rate_post(post.id, user.id, 4)
    print(f"Average Rating: {post.average_rating()}")

    # Guest tries to create post (should fail)
    try:
        post_service.create_post(guest.id, "I am a guest")
    except PermissionError as e:
        print("Guest cannot create post:", e)

if __name__ == "__main__":
    main()