reinhardt-openapi-macros 0.2.0

//! Helper functions for dynamic crate path resolution using proc_macro_crate

use proc_macro2::TokenStream;
use quote::quote;

/// Resolves the path to the reinhardt_openapi crate dynamically.
///
/// This supports different crate naming scenarios (reinhardt-openapi, renamed crates, etc.)
pub(crate) fn get_reinhardt_openapi_crate() -> TokenStream {
	use proc_macro_crate::{FoundCrate, crate_name};

	// First, try to find reinhardt-openapi directly
	match crate_name("reinhardt-openapi") {
		Ok(FoundCrate::Itself) => return quote!(crate),
		Ok(FoundCrate::Name(name)) => {
			let ident = syn::Ident::new(&name, proc_macro2::Span::call_site());
			return quote!(::#ident);
		}
		Err(_) => {}
	}

	// Try to find reinhardt-rest (after subcrate consolidation)
	match crate_name("reinhardt-rest") {
		Ok(FoundCrate::Itself) => {
			// reinhardt-rest is the current crate
			return quote!(crate::openapi);
		}
		Ok(FoundCrate::Name(name)) => {
			let ident = syn::Ident::new(&name, proc_macro2::Span::call_site());
			return quote!(::#ident::openapi);
		}
		Err(_) => {}
	}

	// If reinhardt-openapi is not found directly, try to find it via reinhardt crate
	match crate_name("reinhardt-web") {
		Ok(FoundCrate::Itself) => {
			// reinhardt-web is the current crate
			return quote!(crate::rest::openapi);
		}
		Ok(FoundCrate::Name(name)) => {
			let ident = syn::Ident::new(&name, proc_macro2::Span::call_site());
			return quote!(::#ident::rest::openapi);
		}
		Err(_) => {}
	}

	// Also try renamed "reinhardt" crate
	match crate_name("reinhardt") {
		Ok(FoundCrate::Itself) => {
			// reinhardt is the current crate
			return quote!(crate::rest::openapi);
		}
		Ok(FoundCrate::Name(name)) => {
			let ident = syn::Ident::new(&name, proc_macro2::Span::call_site());
			return quote!(::#ident::rest::openapi);
		}
		Err(_) => {}
	}

	// Fallback: assume reinhardt_rest::openapi is available
	quote!(::reinhardt_rest::openapi)
}