/*
 * Copyright (C) 2015-2016 Federico Tomassetti
 * Copyright (C) 2017-2024 The JavaParser Team.
 *
 * This file is part of JavaParser.
 *
 * JavaParser can be used either under the terms of
 * a) the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * b) the terms of the Apache License
 *
 * You should have received a copy of both licenses in LICENCE.LGPL and
 * LICENCE.APACHE. Please refer to those files for details.
 *
 * JavaParser is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 */

package com.github.javaparser.symbolsolver.javassistmodel;

import com.github.javaparser.ast.AccessSpecifier;
import com.github.javaparser.resolution.TypeSolver;
import com.github.javaparser.resolution.declarations.ResolvedReferenceTypeDeclaration;
import com.github.javaparser.resolution.model.typesystem.ReferenceTypeImpl;
import com.github.javaparser.resolution.types.ResolvedArrayType;
import com.github.javaparser.resolution.types.ResolvedPrimitiveType;
import com.github.javaparser.resolution.types.ResolvedType;
import com.github.javaparser.resolution.types.ResolvedVoidType;
import java.lang.reflect.Modifier;
import javassist.CtClass;
import javassist.NotFoundException;

/**
 * @author Federico Tomassetti
 */
public class JavassistFactory {

    public static ResolvedType typeUsageFor(CtClass ctClazz, TypeSolver typeSolver) {
        try {
            if (ctClazz.isArray()) {
                return new ResolvedArrayType(typeUsageFor(ctClazz.getComponentType(), typeSolver));
            }
            if (ctClazz.isPrimitive()) {
                if (ctClazz.getName().equals("void")) {
                    return ResolvedVoidType.INSTANCE;
                }
                return ResolvedPrimitiveType.byName(ctClazz.getName());
            }
            if (ctClazz.isInterface()) {
                return new ReferenceTypeImpl(new JavassistInterfaceDeclaration(ctClazz, typeSolver));
            }
            if (ctClazz.isEnum()) {
                return new ReferenceTypeImpl(new JavassistEnumDeclaration(ctClazz, typeSolver));
            }
            return new ReferenceTypeImpl(new JavassistClassDeclaration(ctClazz, typeSolver));
        } catch (NotFoundException e) {
            throw new RuntimeException(e);
        }
    }

    public static ResolvedReferenceTypeDeclaration toTypeDeclaration(CtClass ctClazz, TypeSolver typeSolver) {
        if (ctClazz.isAnnotation()) {
            return new JavassistAnnotationDeclaration(ctClazz, typeSolver);
        }
        if (ctClazz.isInterface()) {
            return new JavassistInterfaceDeclaration(ctClazz, typeSolver);
        }
        if (ctClazz.isEnum()) {
            return new JavassistEnumDeclaration(ctClazz, typeSolver);
        }
        if (ctClazz.isArray()) {
            throw new IllegalArgumentException("This method should not be called passing an array");
        }
        return new JavassistClassDeclaration(ctClazz, typeSolver);
    }

    static AccessSpecifier modifiersToAccessLevel(final int modifiers) {
        if (Modifier.isPublic(modifiers)) {
            return AccessSpecifier.PUBLIC;
        }
        if (Modifier.isProtected(modifiers)) {
            return AccessSpecifier.PROTECTED;
        }
        if (Modifier.isPrivate(modifiers)) {
            return AccessSpecifier.PRIVATE;
        }
        return AccessSpecifier.NONE;
    }
}
