/*
 * Copyright (c) Contributors, http://opensimulator.org/
 * See CONTRIBUTORS.TXT for a full list of copyright holders.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the OpenSimulator Project nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

using System;
using System.Collections.Generic;
using OpenMetaverse;

namespace OpenSim.Framework
{
    public delegate bool AnimationSetValidator(UUID animID);

    public class AnimationSet
    {
        private bool m_parseError = false;

        public int AnimationCount { get; private set; }
        private Dictionary<string, UUID> m_animations = new Dictionary<string, UUID>();
        public AnimationSet(Byte[] data)
        {
            string assetData = System.Text.Encoding.ASCII.GetString(data);
            Console.WriteLine("--------------------");
            Console.WriteLine("AnimationSet length {0} bytes", assetData.Length);
            Console.WriteLine("Data: {0}", assetData);
            Console.WriteLine("--------------------");
        }

        public Byte[] ToBytes()
        {
            // If there was an error parsing the input, we give back an
            // empty set rather than the original data.
            if (m_parseError)
            {
                string dummy = "version 1\ncount 0\n";
                return System.Text.Encoding.ASCII.GetBytes(dummy);
            }

            string assetData = String.Format("version 1\ncount {0}\n", m_animations.Count);
            foreach (KeyValuePair<string, UUID> kvp in m_animations)
                assetData += String.Format("{0} {1}\n", kvp.Key, kvp.Value.ToString());
            return System.Text.Encoding.ASCII.GetBytes(assetData);
        }

        public bool Validate(AnimationSetValidator val)
        {
            if (m_parseError)
                return false;

            List<string> badAnims = new List<string>();

            bool allOk = true;
            foreach (KeyValuePair<string, UUID> kvp in m_animations)
            {
                if (!val(kvp.Value))
                {
                    allOk = false;
                    badAnims.Add(kvp.Key);
                }
            }

            foreach (string idx in badAnims)
                m_animations.Remove(idx);

            return allOk;
        }
    }
}