package hudson.cli;

import hudson.model.ModifiableItemGroup;
import hudson.model.TopLevelItem;
import jenkins.model.Jenkins;
import hudson.Extension;

/*
 * Creates a new job by reading stdin as a configuration XML file.
 *
 * @author Kohsuke Kawaguchi
 */
@Extension
public class CreateJobCommand extends CLICommand {
    @Override
    public String getShortDescription() {
        return Messages.CreateJobCommand_ShortDescription();
    }

    @Argument(metaVar="NAME", usage="Name of the job to create", required=true)
    public String name;

    protected int run() throws Exception {
        Jenkins h = Jenkins.getInstance();
        h.checkPermission(Item.CREATE);

        if (h.getItemByFullName(name)!=null) {
            stderr.println("Job '" + name + "' already exists");
            return -1;
        }

        ModifiableTopLevelItemGroup ig = h;
        int i = name.lastIndexOf('/');
        if (i > 0) {
            String group = name.substring(0, i);
            Item item = h.getItemByFullName(group);
            if (item == null) {
                throw new IllegalArgumentException("Unknown ItemGroup " + group);
            }

            if (item instanceof ModifiableTopLevelItemGroup) {
                ig = (ModifiableTopLevelItemGroup) item;
            } else {
                throw new IllegalArgumentException("Can't create job from CLI in " + group);
            }
            name = name.substring(i + 1);
        }

        ig.createProjectFromXML(name, stdin);
        return 0;
    }
}