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

package net.sourceforge.pmd.lang.ecmascript;

import org.mozilla.javascript.Context;

import net.sourceforge.pmd.Rule;
import net.sourceforge.pmd.lang.ParserOptions;
import net.sourceforge.pmd.lang.rule.properties.BooleanProperty;
import net.sourceforge.pmd.lang.rule.properties.EnumeratedProperty;
import net.sourceforge.pmd.util.StringUtil;

public class EcmascriptParserOptions extends ParserOptions {

    public enum Version {
        VERSION_DEFAULT("default", Context.VERSION_DEFAULT),
        VERSION_1_0("1.0", Context.VERSION_1_0),
        VERSION_1_1("1.1", Context.VERSION_1_1),
        VERSION_1_2("1.2", Context.VERSION_1_2),
        VERSION_1_3("1.3", Context.VERSION_1_3),
        VERSION_1_4("1.4", Context.VERSION_1_4),
        VERSION_1_5("1.5", Context.VERSION_1_5),
        VERSION_1_6("1.6", Context.VERSION_1_6),
        VERSION_1_7("1.7", Context.VERSION_1_7),
        VERSION_1_8("1.8", Context.VERSION_1_8);

        private final String name;
        private final int version;

        Version(String name, int version) {
            this.name = name;
            this.version = version;
        }

        public String getLabel() {
            return name;
        }

        public int getVersion() {
            return version;
        }
    }

    private static final String[] VERSION_LABELS = new String[] { Version.VERSION_DEFAULT.getLabel(),
        Version.VERSION_1_0.getLabel(), Version.VERSION_1_1.getLabel(), Version.VERSION_1_2.getLabel(),
        Version.VERSION_1_3.getLabel(), Version.VERSION_1_4.getLabel(), Version.VERSION_1_5.getLabel(),
        Version.VERSION_1_6.getLabel(), Version.VERSION_1_7.getLabel(), Version.VERSION_1_8.getLabel(), };

    // Note: The UI order values are chosen to be larger than those built into
    // XPathRule.
    public static final BooleanProperty RECORDING_COMMENTS_DESCRIPTOR = new BooleanProperty("recordingComments",
            "Specifies that comments are produced in the AST.", Boolean.TRUE, 3.0f);
    public static final BooleanProperty RECORDING_LOCAL_JSDOC_COMMENTS_DESCRIPTOR = new BooleanProperty(
            "recordingLocalJsDocComments", "Specifies that JsDoc comments are produced in the AST.", Boolean.TRUE,
            4.0f);
    public static final EnumeratedProperty<Version> RHINO_LANGUAGE_VERSION = new EnumeratedProperty<>(
            "rhinoLanguageVersion",
            "Specifies the Rhino Language Version to use for parsing.  Defaults to Rhino default.", VERSION_LABELS,
            Version.values(), 0, 5.0f);

    private boolean recordingComments;
    private boolean recordingLocalJsDocComments;
    private Version rhinoLanguageVersion;

    public EcmascriptParserOptions() {
        this.recordingComments = RECORDING_COMMENTS_DESCRIPTOR.defaultValue().booleanValue();
        this.recordingLocalJsDocComments = RECORDING_LOCAL_JSDOC_COMMENTS_DESCRIPTOR.defaultValue().booleanValue();
        this.rhinoLanguageVersion = (Version) RHINO_LANGUAGE_VERSION
                .valueFrom((String) RHINO_LANGUAGE_VERSION.defaultValue());
    }

    public EcmascriptParserOptions(Rule rule) {
        this.recordingComments = rule.getProperty(RECORDING_COMMENTS_DESCRIPTOR);
        this.recordingLocalJsDocComments = rule.getProperty(RECORDING_LOCAL_JSDOC_COMMENTS_DESCRIPTOR);
        this.rhinoLanguageVersion = (Version) RHINO_LANGUAGE_VERSION
                .valueFrom((String) rule.getProperty(RHINO_LANGUAGE_VERSION));
    }

    public boolean isRecordingComments() {
        return this.recordingComments;
    }

    public void setRecordingComments(boolean recordingComments) {
        this.recordingComments = recordingComments;
    }

    public boolean isRecordingLocalJsDocComments() {
        return this.recordingLocalJsDocComments;
    }

    public void setRecordingLocalJsDocComments(boolean recordingLocalJsDocComments) {
        this.recordingLocalJsDocComments = recordingLocalJsDocComments;
    }

    public Version getRhinoLanguageVersion() {
        return this.rhinoLanguageVersion;
    }

    public void setRhinoLanguageVersion(Version rhinoLanguageVersion) {
        this.rhinoLanguageVersion = rhinoLanguageVersion;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = super.hashCode();
        result = prime * result + (recordingComments ? 1231 : 1237);
        result = prime * result + (recordingLocalJsDocComments ? 1231 : 1237);
        result = prime * result + ((rhinoLanguageVersion == null) ? 0 : rhinoLanguageVersion.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null || getClass() != obj.getClass()) {
            return false;
        }
        final EcmascriptParserOptions that = (EcmascriptParserOptions) obj;
        return StringUtil.isSame(this.suppressMarker, that.suppressMarker, false, false, false)
                && this.recordingComments == that.recordingComments
                && this.recordingLocalJsDocComments == that.recordingLocalJsDocComments
                && this.rhinoLanguageVersion == that.rhinoLanguageVersion;
    }
}