/*

 * Copyright (C) 2007-2010 Júlio Vilmar Gesser.

 * Copyright (C) 2011, 2013-2021 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.printer.concretesyntaxmodel;

import static com.github.javaparser.utils.CodeGenerationUtils.f;

import com.github.javaparser.GeneratedJavaParserConstants;

import com.github.javaparser.ast.Node;

import com.github.javaparser.ast.expr.IntegerLiteralExpr;

import com.github.javaparser.ast.observer.ObservableProperty;

import com.github.javaparser.printer.SourcePrinter;

public class CsmAttribute implements CsmElement {

    public ObservableProperty getProperty() {

        return property;

    }

    private final ObservableProperty property;

    public CsmAttribute(ObservableProperty property) {

        this.property = property;

    }

    @Override

    public void prettyPrint(Node node, SourcePrinter printer) {

        Object value = property.getRawValue(node);

        printer.print(PrintingHelper.printToString(value));

    }

    /**

     * Obtain the token type corresponding to the specific value of the attribute.

     * For example, to the attribute "Operator" different token could correspond like PLUS or MINUS.

     *

     * @param tokenText Operator's token text

     */

    public int getTokenType(Node node, String text, String tokenText) {

        switch (property) {

            case IDENTIFIER:

                return GeneratedJavaParserConstants.IDENTIFIER;

            case TYPE: {

                String expectedImage = "\"" + text.toLowerCase() + "\"";

                for (int i=0;i<GeneratedJavaParserConstants.tokenImage.length;i++) {

                    if (GeneratedJavaParserConstants.tokenImage[i].equals(expectedImage)) {

                        return i;

                    }

                }

                throw new RuntimeException(f("Attribute '%s' does not corresponding to any expected value. Text: %s", property.camelCaseName(), text));

            }

            case KEYWORD:

            case OPERATOR: {

                String expectedImage = "\"" + tokenText.toLowerCase() + "\"";

                for (int i = 0; i < GeneratedJavaParserConstants.tokenImage.length; i++) {

                    if (GeneratedJavaParserConstants.tokenImage[i].equals(expectedImage)) {

                        return i;

                    }

                }

                throw new RuntimeException(f("Attribute '%s' does not corresponding to any expected value. Text: %s", property.camelCaseName(), tokenText));

            }

            case VALUE:

                if (node instanceof IntegerLiteralExpr) {

                    return GeneratedJavaParserConstants.INTEGER_LITERAL;

                }

            case NAME:

                return GeneratedJavaParserConstants.IDENTIFIER;

        }

        throw new UnsupportedOperationException("getTokenType does not know how to handle property "

                + property + " with text: " + text);

    }

    @Override

    public String toString() {

        return String.format("%s(property:%s)", this.getClass().getSimpleName(), getProperty());

    }

}