/*

 * Copyright (c) 2015-2016, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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 General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package jdk.jshell;

import java.util.Locale;

import javax.tools.Diagnostic;

import javax.tools.JavaFileObject;

import static jdk.jshell.Util.PARSED_LOCALE;

import static jdk.jshell.Util.REPL_CLASS_PREFIX;

import static jdk.jshell.Util.REPL_DOESNOTMATTER_CLASS_NAME;

import static jdk.jshell.Util.REPL_PACKAGE;

import static jdk.jshell.Util.expunge;

/**

 *

 * @author Robert Field

 */

class OuterWrap implements GeneralWrap {

    protected final Wrap w;

    OuterWrap(Wrap wrap) {

        this.w = wrap;

    }

    @Override

    public final String wrapped() {

        return w.wrapped();

    }

    @Override

    public int snippetIndexToWrapIndex(int ui) {

        return w.snippetIndexToWrapIndex(ui);

    }

    @Override

    public int wrapIndexToSnippetIndex(int si) {

        return w.wrapIndexToSnippetIndex(si);

    }

    @Override

    public int firstSnippetIndex() {

        return w.firstSnippetIndex();

    }

    @Override

    public int lastSnippetIndex() {

        return w.lastSnippetIndex();

    }

    @Override

    public int snippetLineToWrapLine(int snline) {

        return w.snippetLineToWrapLine(snline);

    }

    @Override

    public int wrapLineToSnippetLine(int wline) {

        return w.wrapLineToSnippetLine(wline);

    }

    @Override

    public int firstSnippetLine() {

        return w.firstSnippetLine();

    }

    @Override

    public int lastSnippetLine() {

        return w.lastSnippetLine();

    }

    public String className() {

        return REPL_DOESNOTMATTER_CLASS_NAME;

    }

    public String classFullName() {

        return REPL_PACKAGE + "." + className();

    }

    @Override

    public int hashCode() {

        return className().hashCode();

    }

    @Override

    public boolean equals(Object o) {

        return (o instanceof OuterWrap)

                ? className().equals(((OuterWrap) o).className())

                : false;

    }

    @Override

    public String toString() {

        return "OW(" + w + ")";

    }

    Diag wrapDiag(Diagnostic<? extends JavaFileObject> d) {

        return new WrappedDiagnostic(d);

    }

    class WrappedDiagnostic extends Diag {

        final Diagnostic<? extends JavaFileObject> diag;

        WrappedDiagnostic(Diagnostic<? extends JavaFileObject> diag) {

            this.diag = diag;

        }

        @Override

        public boolean isError() {

            return diag.getKind() == Diagnostic.Kind.ERROR;

        }

        @Override

        public long getPosition() {

            return wrapIndexToSnippetIndex(diag.getPosition());

        }

        @Override

        public long getStartPosition() {

            return wrapIndexToSnippetIndex(diag.getStartPosition());

        }

        @Override

        public long getEndPosition() {

            return wrapIndexToSnippetIndex(diag.getEndPosition());

        }

        @Override

        public String getCode() {

            return diag.getCode();

        }

        @Override

        public String getMessage(Locale locale) {

            return expunge(diag.getMessage(locale));

        }

        @Override

        boolean isResolutionError() {

            if (!super.isResolutionError()) {

                return false;

            }

            for (String line : diag.getMessage(PARSED_LOCALE).split("\\r?\\n")) {

                if (line.trim().startsWith("location:")) {

                    if (!line.contains(REPL_CLASS_PREFIX)) {

                        // Resolution error must occur within a REPL class or it is not resolvable

                        return false;

                    }

                }

            }

            return true;

        }

        @Override

        public String toString() {

            return "WrappedDiagnostic(" + getMessage(null) + ":" + getPosition() + ")";

        }

    }

}