/*
 * 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.Collections.Generic;
using OpenMetaverse;
using OpenSim.Framework;

namespace OpenSim.Data
{
    public enum DataResponse
    {
        RESPONSE_OK,
        RESPONSE_AUTHREQUIRED,
        RESPONSE_INVALIDCREDENTIALS,
        RESPONSE_ERROR
    }

    /// <summary>
    /// A standard grid interface
    /// </summary>
    public interface IGridDataPlugin : IPlugin
    {
        /// <summary>
        /// Initialises the interface
        /// </summary>
        void Initialise(string connect);

        /// <summary>
        /// Returns a sim profile from a regionHandle
        /// </summary>
        /// <param name="regionHandle">A 64bit Region Handle</param>
        /// <returns>A simprofile</returns>
        RegionProfileData GetProfileByHandle(ulong regionHandle);

        /// <summary>
        /// Returns a sim profile from a UUID
        /// </summary>
        /// <param name="UUID">A 128bit UUID</param>
        /// <returns>A sim profile</returns>
        RegionProfileData GetProfileByUUID(UUID UUID);

        /// <summary>
        /// Returns a sim profile from a string match
        /// </summary>
        /// <param name="regionName">A string for a partial region name match</param>
        /// <returns>A sim profile</returns>
        RegionProfileData GetProfileByString(string regionName);

        /// <summary>
        /// Returns all profiles within the specified range
        /// </summary>
        /// <param name="Xmin">Minimum sim coordinate (X)</param>
        /// <param name="Ymin">Minimum sim coordinate (Y)</param>
        /// <param name="Xmax">Maximum sim coordinate (X)</param>
        /// <param name="Ymin">Maximum sim coordinate (Y)</param>
        /// <returns>An array containing all the sim profiles in the specified range</returns>
        RegionProfileData[] GetProfilesInRange(uint Xmin, uint Ymin, uint Xmax, uint Ymax);

        /// <summary>
        /// Returns up to maxNum profiles of regions that have a name starting with namePrefix
        /// </summary>
        /// <param name="name">The name to match against</param>
        /// <param name="maxNum">Maximum number of profiles to return</param>
        /// <returns>A list of sim profiles</returns>
        List<RegionProfileData> GetRegionsByName(string namePrefix, uint maxNum);
        
        /// <summary>
        /// Authenticates a sim by use of its recv key.
        /// WARNING: Insecure
        /// </summary>
        /// <param name="UUID">The UUID sent by the sim</param>
        /// <param name="regionHandle">The regionhandle sent by the sim</param>
        /// <param name="simrecvkey">The receiving key sent by the sim</param>
        /// <returns>Whether the sim has been authenticated</returns>
        bool AuthenticateSim(UUID UUID, ulong regionHandle, string simrecvkey);

        /// <summary>
        /// Adds or updates a profile in the database
        /// </summary>
        /// <param name="profile">The profile to add</param>
        /// <returns>RESPONSE_OK if successful, error if not.</returns>
        DataResponse StoreProfile(RegionProfileData profile);

        /// <summary>
        /// Remove a profile from the database
        /// </summary>
        /// <param name="UUID">ID of profile to remove</param>
        /// <returns></returns>
        DataResponse DeleteProfile(string UUID);

        /// <summary>
        /// Function not used????
        /// </summary>
        /// <param name="x"></param>
        /// <param name="y"></param>
        /// <returns></returns>
        ReservationData GetReservationAtPoint(uint x, uint y);
    }

    public class GridDataInitialiser : PluginInitialiserBase
    {
        private string connect;
        public GridDataInitialiser (string s) { connect = s; }
        public override void Initialise (IPlugin plugin)
        {
            IGridDataPlugin p = plugin as IGridDataPlugin;
            p.Initialise (connect);
        }
    }
}
