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/*
 * BSD 2-Clause License
 *
 * Copyright (c) 2018, Ondrej Fischer
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 *
 *  Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

package fluent.api.generator.model.impl;

import fluent.api.generator.model.MethodModel;
import fluent.api.generator.model.ModelFactory;
import fluent.api.generator.model.TypeModel;
import fluent.api.generator.model.VarModel;

import javax.lang.model.element.ElementKind;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.element.Modifier;
import javax.lang.model.element.VariableElement;
import javax.lang.model.type.TypeMirror;
import java.util.Map;

import static java.util.stream.Collectors.toMap;

public class VarModelImpl implements VarModel {

    private final VariableElement element;
    private final TypeMirror type;
    private final ModelFactory factory;

    public VarModelImpl(VariableElement element, TypeMirror type, ModelFactory factory) {
        this.element = element;
        this.type = type;
        this.factory = factory;
    }

    @Override
    public String name() {
        return element.getSimpleName().toString();
    }

    @Override
    public TypeModel type() {
        return factory.type(type);
    }

    @Override
    public MethodModel method() {
        if(element.getKind() == ElementKind.PARAMETER) {
            return factory.method((ExecutableElement) element.getEnclosingElement());
        } else return null;
    }

    @Override
    public String packageName() {
        return type().packageName();
    }

    @Override
    public boolean isStatic() {
        return element.getModifiers().contains(Modifier.STATIC);
    }

    @Override
    public boolean isPublic() {
        return element.getModifiers().contains(Modifier.PUBLIC);
    }

    @Override
    public boolean isFinal() {
        return element.getModifiers().contains(Modifier.FINAL);
    }

    @Override
    public Map> annotations() {
        return element.getAnnotationMirrors().stream().collect(toMap(
                a -> a.getAnnotationType().asElement().getSimpleName().toString(),
                a -> a.getElementValues().entrySet().stream().collect(toMap(
                        e -> e.getKey().getSimpleName().toString(),
                        e -> factory.annotationValue(e.getValue())
                ))
        ));
    }

    @Override
    public String toString() {
        return name();
    }
}