/*
 * Copyright 2016 BiaoWu

 * 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.
 */
package auto.http.internal.codegen;

import com.google.auto.common.BasicAnnotationProcessor;
import com.google.auto.service.AutoService;
import com.google.common.collect.ImmutableList;

import javax.annotation.processing.Filer;
import javax.annotation.processing.Messager;
import javax.annotation.processing.Processor;
import javax.lang.model.SourceVersion;
import javax.lang.model.util.Elements;
import javax.lang.model.util.Types;

/**
 * @author biaowu
 */
@AutoService(Processor.class)
public class AutoHttpProcessor extends BasicAnnotationProcessor {
  @Override public SourceVersion getSupportedSourceVersion() {
    return SourceVersion.latestSupported();
  }

  @Override protected Iterable<? extends ProcessingStep> initSteps() {
    Messager messager = processingEnv.getMessager();
    Types types = processingEnv.getTypeUtils();
    Elements elements = processingEnv.getElementUtils();
    Filer filer = processingEnv.getFiler();

    AutoHttpGenerator autoHttpGenerator =
        new AutoHttpGenerator(filer, elements, messager);
    AutoHttpValidator autoHttpValidator =
        new AutoHttpValidator();
    MethodValidator methodValidator =
        new MethodValidator();

    return ImmutableList.of(
        new AutoHttpProcessingStep(
            messager,
            autoHttpGenerator,
            autoHttpValidator,
            methodValidator)
    );
  }
}