// This program is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free Software
// Foundation; either version 3 of the License, or (at your option) any later
// version.
//
// This program 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 General Public License for more
// details.
// 
// You should have received a copy of the GNU General Public License along with
// this program; if not, see <http://www.gnu.org/licenses/> or write to the Free
// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA

using System;
using System.Diagnostics;
using Do.Universe;

namespace Bugzilla {
    
    public class BugzillaItem : IURLItem {
        protected string name, url;
        
        public BugzillaItem (string name, string url) {
            this.name = name;
            this.url = url;
        }
        
        public string Name {
            get { return name; }
        }
        
        public string Description {
            get { return name; }
        }
        
        public string Icon {
            get { return "www"; }
        }
        
        public string URL {
            get { return url; }
        }
    }

    
    public class BugzillaAction : AbstractAction {

        /* The list of BugzillaItem modifiers */
        private IItem[] bugzillas;

        public BugzillaAction () {
            bugzillas = new IItem[] {
                new BugzillaItem("GNOME", "http://bugzilla.gnome.org/{0}"),
                new BugzillaItem("OpenedHand", "http://bugzilla.openedhand.com/show_bug.cgi?id={0}"),
                new BugzillaItem("WebKit", "https://bugs.webkit.org/show_bug.cgi?id={0}")
            };
        }
        
        public override string Name {
            get { return "Open bug"; }
        }
	
        public override string Description {
            get { return "Open bug"; }
        }
        
        public override string Icon {
            get { return "system-search"; } 
        }
        
        public override Type[] SupportedItemTypes {
            get { return new Type[] { typeof (ITextItem) }; }
        }

        public override Type[] SupportedModifierItemTypes {
            get {
                return new Type[] { typeof(BugzillaItem) };
            }
        }

        public override IItem[] DynamicModifierItemsForItem (IItem item) {
            return bugzillas;
        }

        private uint GetBugID(string text) {
            if (text[0] != '#')
                return 0;

            try {
                return Convert.ToUInt32(text.Substring(1));
            } catch (FormatException) {
                return 0;
            }
        }

        public override bool SupportsItem (IItem item) {
            string text = (item as ITextItem).Text;

            if (text.Length == 1 && text[0] == '#')
                return true;

            return GetBugID(text) != 0;
        }

        public override IItem[] Perform (IItem[] items, IItem[] modifierItems) {
            BugzillaItem bugzilla = modifierItems[0] as BugzillaItem;

            uint bugid = GetBugID((items[0] as ITextItem).Text);

            string url = String.Format(bugzilla.URL, bugid);
            Process.Start("gnome-open", url);

            return null;
        }
    }
}