/**
 * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
 */

package net.sourceforge.pmd.lang.plsql.rule.codestyle;

import net.sourceforge.pmd.lang.document.Chars;
import net.sourceforge.pmd.lang.plsql.ast.ASTInput;
import net.sourceforge.pmd.lang.plsql.rule.AbstractPLSQLRule;
import net.sourceforge.pmd.properties.NumericConstraints;
import net.sourceforge.pmd.properties.PropertyDescriptor;
import net.sourceforge.pmd.properties.PropertyFactory;

public class LineLengthRule extends AbstractPLSQLRule {

    private static final PropertyDescriptor<Integer> MAX_LINE_LENGTH = PropertyFactory.intProperty("maxLineLength")
            .desc("The maximum allowed line length")
            .defaultValue(80)
            .require(NumericConstraints.inRange(10, 200))
            .build();
    private static final PropertyDescriptor<Boolean> EACH_LINE = PropertyFactory.booleanProperty("eachLine")
            .desc("Whether to report each line that is longer only the first line")
            .defaultValue(false)
            .build();

    public LineLengthRule() {
        definePropertyDescriptor(MAX_LINE_LENGTH);
        definePropertyDescriptor(EACH_LINE);
        addRuleChainVisit(ASTInput.class);
    }

    @Override
    public Object visit(ASTInput node, Object data) {
        boolean eachLine = getProperty(EACH_LINE);
        int maxLineLength = getProperty(MAX_LINE_LENGTH);

        int lineNumber = 1;
        for (Chars line : node.getText().lines()) {
            if (line.length() > maxLineLength) {
                addViolationWithMessage(data, node, "The line is too long. Only " + maxLineLength + " characters are allowed.",
                                        lineNumber, lineNumber);

                if (!eachLine) {
                    break;
                }
            }
            lineNumber++;
        }
        return data;
    }
}
