/*****************************************************************************
 * Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License Version
 * 1.0 (the "License"). You may not use this file except in compliance with
 * the License. A copy of the License is available at http://www.sun.com/
 *
 * The Original Code is the CVS Client Library.
 * The Initial Developer of the Original Code is Thomas Singer.
 * Portions created by Robert Greig are Copyright (C) 2001.
 * All Rights Reserved.
 *
 * Contributor(s): Thomas Singer.
 *****************************************************************************/
package org.netbeans.lib.cvsclient.command.tag;

import java.io.*;

import org.netbeans.lib.cvsclient.*;
import org.netbeans.lib.cvsclient.command.*;
import org.netbeans.lib.cvsclient.connection.*;
import org.netbeans.lib.cvsclient.event.*;
import org.netbeans.lib.cvsclient.request.*;

/**
 * The tag command adds or deleted a tag to the specified files/directories.
 *
 * @author  Thomas Singer
 */
public class TagCommand extends BasicCommand {
    /**
     * The event manager to use.
     */
    private EventManager eventManager;

    private boolean checkThatUnmodified;

    private boolean deleteTag;

    private boolean makeBranchTag;

    private boolean overrideExistingTag;
    
    private boolean matchHeadIfRevisionNotFound;

    private String tag;

    private String tagByDate;

    private String tagByRevision;

    /**
     * Construct a new tag command.
     */
    public TagCommand() {
    }

    /**
     * Creates the TagBuilder.
     * @param eventManager the event manager used to received cvs events
     */
    public Builder createBuilder(EventManager eventManager) {
        return new TagBuilder(eventManager, getLocalDirectory());
    }

    /**
     * Returns true if checking for unmodified files is enabled.
     * @deprecated
     */
    public boolean doesCheckThatUnmodified() {
        return checkThatUnmodified;
    }

    /**
     * Returns true if checking for unmodified files is enabled.
     */
    public boolean isCheckThatUnmodified() {
        return checkThatUnmodified;
    }

    /**
     * Enabled the check for unmodified files.
     */
    public void setCheckThatUnmodified(boolean checkThatUnmodified) {
        this.checkThatUnmodified = checkThatUnmodified;
    }

    /**
     * Returnes true if the tag should be deleted (otherwise added).
     * @deprecated
     */
    public boolean doesDeleteTag() {
        return deleteTag;
    }

    /**
     * Returnes true if the tag should be deleted (otherwise added).
     */
    public boolean isDeleteTag() {
        return deleteTag;
    }

    /**
     * Sets whether the tag should be deleted (true) or added (false).
     */
    public void setDeleteTag(boolean deleteTag) {
        this.deleteTag = deleteTag;
    }

    /**
     * Returns true if the tag should be a branch tag.
     * @deprecated
     */
    public boolean doesMakeBranchTag() {
        return makeBranchTag;
    }

    /**
     * Returns true if the tag should be a branch tag.
     */
    public boolean isMakeBranchTag() {
        return makeBranchTag;
    }

    /**
     * Sets whether the tag should be a branch tag.
     */
    public void setMakeBranchTag(boolean makeBranchTag) {
        this.makeBranchTag = makeBranchTag;
    }

    /**
     * Returns true to indicate that existing tag will be overridden.
     * @deprecated
     */
    public boolean doesOverrideExistingTag() {
        return overrideExistingTag;
    }

    /**
     * Returns true to indicate that existing tag will be overridden.
     */
    public boolean isOverrideExistingTag() {
        return overrideExistingTag;
    }

    /**
     * Sets whether existing tags should be overridden.
     */
    public void setOverrideExistingTag(boolean overrideExistingTag) {
        this.overrideExistingTag = overrideExistingTag;
    }
    
    public boolean isMatchHeadIfRevisionNotFound() {
        return matchHeadIfRevisionNotFound;
    }
    
    public void setMatchHeadIfRevisionNotFound(boolean matchHeadIfRevisionNotFound) {
        this.matchHeadIfRevisionNotFound = matchHeadIfRevisionNotFound;
    }

    /**
     * Returns the tag that should be added or deleted.
     */
    public String getTag() {
        return tag;
    }

    /**
     * Sets the tag that should be added or deleted.
     */
    public void setTag(String tag) {
        this.tag = tag;
    }

    /**
     * Returns the latest date of a revision to be tagged.
     * @return date value. the latest Revision not later ten date is tagged.
     */
    public String getTagByDate() {
        return tagByDate;
    }

    /**
     * Sets the latest date of a revision to be tagged.
     * @param tagDate New value of property tagDate.
     */
    public void setTagByDate(String tagDate) {
        tagByDate = tagDate;
    }

    /**
     * Sets the latest date of a revision to be tagged. Can be both a number and a tag.
     * @return Value of property tagRevision.
     */
    public String getTagByRevision() {
        return tagByRevision;
    }

    /**
     * Sets the latest date of a revision to be tagged. Can be both a number and a tag.
     * @param tagRevision New value of property tagRevision.
     */
    public void setTagByRevision(String tagRevision) {
        tagByRevision = tagRevision;
    }

    /**
     * Execute the command.
     *
     * @param client the client services object that provides any necessary
     *               services to this command, including the ability to actually
     *               process all the requests.
     */
    public void execute(ClientServices client, EventManager eventManager)
            throws CommandException, AuthenticationException {
        client.ensureConnection();

        this.eventManager = eventManager;

        super.execute(client, eventManager);

        try {
            requests.add(1, new ArgumentRequest(getTag()));

            if (checkThatUnmodified) {
                requests.add(1, new ArgumentRequest("-c")); //NOI18N
            }

            if (overrideExistingTag) {
                requests.add(1, new ArgumentRequest("-F")); //NOI18N
            }
            
            if (matchHeadIfRevisionNotFound) {
                requests.add(1, new ArgumentRequest("-f")); // NOI18N
            }

            if (makeBranchTag) {
                requests.add(1, new ArgumentRequest("-b")); //NOI18N
            }

            if (deleteTag) {
                requests.add(1, new ArgumentRequest("-d")); //NOI18N
            }
            if (tagByDate != null && tagByDate.length() > 0) {
                requests.add(1, new ArgumentRequest("-D")); //NOI18N
                requests.add(2, new ArgumentRequest(getTagByDate()));
            }
            if (tagByRevision != null && tagByRevision.length() > 0) {
                requests.add(1, new ArgumentRequest("-r")); //NOI18N
                requests.add(2, new ArgumentRequest(getTagByRevision()));
            }

            addRequestForWorkingDirectory(client);
            addArgumentRequests();
            addRequest(CommandRequest.TAG);

            client.processRequests(requests);
        }
        catch (CommandException ex) {
            throw ex;
        }
        catch (EOFException ex) {
            throw new CommandException(ex, CommandException.getLocalMessage("CommandException.EndOfFile", null)); //NOI18N
        }
        catch (Exception ex) {
            throw new CommandException(ex, ex.getLocalizedMessage());
        }
        finally {
            requests.clear();
        }
    }

    /**
     * Called when server responses with "ok" or "error", (when the command
     * finishes).
     */
    public void commandTerminated(TerminationEvent e) {
        if (builder != null) {
            builder.outputDone();
        }
    }

    /**
     * This method returns how the tag command would looklike when typed on the
     * command line.
     */
    public String getCVSCommand() {
        StringBuffer toReturn = new StringBuffer("tag "); //NOI18N
        toReturn.append(getCVSArguments());
        if (getTag() != null) {
            toReturn.append(getTag());
            toReturn.append(" "); //NOI18N
        }
        File[] files = getFiles();
        if (files != null) {
            for (int index = 0; index < files.length; index++) {
                toReturn.append(files[index].getName());
                toReturn.append(' ');
            }
        }
        return toReturn.toString();
    }

    /**
     * Takes the arguments and sets the command.
     * To be mainly used for automatic settings (like parsing the .cvsrc file)
     * @return true if the option (switch) was recognized and set
     */
    public boolean setCVSCommand(char opt, String optArg) {
        if (opt == 'R') {
            setRecursive(true);
        }
        else if (opt == 'l') {
            setRecursive(false);
        }
        else if (opt == 'c') {
            setCheckThatUnmodified(true);
        }
        else if (opt == 'd') {
            setDeleteTag(true);
        }
        else if (opt == 'F') {
            setOverrideExistingTag(true);
        }
        else if (opt == 'f') {
            setMatchHeadIfRevisionNotFound(true);
        }
        else if (opt == 'b') {
            setMakeBranchTag(true);
        }
        else if (opt == 'D') {
            setTagByDate(optArg.trim());
        }
        else if (opt == 'r') {
            setTagByRevision(optArg.trim());
        }
        else {
            return false;
        }
        return true;
    }

    /**
     * String returned by this method defines which options are available for
     * this command.
     */
    public String getOptString() {
        return "RlcFfbdD:r:"; //NOI18N
    }

    /**
     * Resets all switches in the command.
     * After calling this method, the command should have no switches defined
     * and should behave defaultly.
     */
    public void resetCVSCommand() {
        setRecursive(true);
        setCheckThatUnmodified(false);
        setDeleteTag(false);
        setMakeBranchTag(false);
        setOverrideExistingTag(false);
        setMatchHeadIfRevisionNotFound(false);
    }

    /**
     * Returns the arguments of the command in the command-line style.
     * Similar to getCVSCommand() however without the files and command's name
     */
    public String getCVSArguments() {
        StringBuffer toReturn = new StringBuffer();
        if (!isRecursive()) {
            toReturn.append("-l "); //NOI18N
        }
        if (isCheckThatUnmodified()) {
            toReturn.append("-c "); //NOI18N
        }
        if (isOverrideExistingTag()) {
            toReturn.append("-F "); //NOI18N
        }
        if (isMatchHeadIfRevisionNotFound()) {
            toReturn.append("-f ");
        }
        if (isMakeBranchTag()) {
            toReturn.append("-b "); //NOI18N
        }
        if (isDeleteTag()) {
            toReturn.append("-d "); //NOI18N
        }
        if (getTagByRevision() != null && getTagByRevision().length() > 0) {
            toReturn.append("-r "); //NOI18N
            toReturn.append(getTagByRevision());
            toReturn.append(" "); //NOI18N
        }
        if (getTagByDate() != null && getTagByDate().length() > 0) {
            toReturn.append("-D "); //NOI18N
            toReturn.append(getTagByDate());
            toReturn.append(" "); //NOI18N
        }
        return toReturn.toString();
    }
}