/*
 * Copyright 2020 Red Hat, Inc. and/or its affiliates.
 *
 * 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 org.kie.soup.project.datamodel.imports;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Objects;
import java.util.Set;

/**
 * Copied from kie-soup to avoid the dependency
 */
public class Imports {

    private ArrayList<Import> imports = new ArrayList<>();

    public Imports() {
    }

    public Imports(final List<Import> imports) {
        this.imports = new ArrayList<>(imports);
    }

    public List<Import> getImports() {
        return imports;
    }

    public Set<String> getImportStrings() {
        Set<String> strings = new HashSet<>();

        for (Import item : imports) {
            strings.add(item.getType());
        }

        return strings;
    }

    @Override
    public String toString() {
        final StringBuilder sb = new StringBuilder();
        for (final Import i : imports) {
            sb.append("import ").append(i.getType()).append(";\n");
        }

        return sb.toString();
    }

    public void addImport(final Import item) {
        imports.add(item);
    }

    public void removeImport(final Import item) {
        imports.remove(item);
    }

    public boolean contains(final Import item) {
        return imports.contains(item);
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        Imports imports1 = (Imports) o;

        return Objects.equals(imports, imports1.imports);
    }

    @Override
    public int hashCode() {
        return imports != null ? imports.hashCode() : 0;
    }
}
