// Copyright 2024 KipData/KiteSQL
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

mod orm;
mod projection;
mod reference_serialization;

use proc_macro::TokenStream;
use syn::{parse_macro_input, DeriveInput};

#[proc_macro_derive(ReferenceSerialization, attributes(reference_serialization))]
pub fn reference_serialization(input: TokenStream) -> TokenStream {
    let ast = parse_macro_input!(input as DeriveInput);

    let result = reference_serialization::handle(ast);
    match result {
        Ok(codegen) => codegen.into(),
        Err(e) => e.to_compile_error().into(),
    }
}

#[proc_macro_derive(Model, attributes(model))]
pub fn model(input: TokenStream) -> TokenStream {
    let ast = parse_macro_input!(input as DeriveInput);

    let result = orm::handle(ast);
    match result {
        Ok(codegen) => codegen.into(),
        Err(e) => e.to_compile_error().into(),
    }
}

#[proc_macro_derive(Projection, attributes(projection))]
pub fn projection(input: TokenStream) -> TokenStream {
    let ast = parse_macro_input!(input as DeriveInput);

    let result = projection::handle(ast);
    match result {
        Ok(codegen) => codegen.into(),
        Err(e) => e.to_compile_error().into(),
    }
}
