using System;
using System.Collections.Generic;
using System.Text;
using libsecondlife;

namespace OpenGrid.Framework.Data
{
    public interface IUserData
    {
        /// <summary>
        /// Returns a user profile from a database via their UUID
        /// </summary>
        /// <param name="user">The accounts UUID</param>
        /// <returns>The user data profile</returns>
        UserProfileData getUserByUUID(LLUUID user);

        /// <summary>
        /// Returns a users profile by searching their username
        /// </summary>
        /// <param name="name">The users username</param>
        /// <returns>The user data profile</returns>
        UserProfileData getUserByName(string name);

        /// <summary>
        /// Returns a users profile by searching their username parts
        /// </summary>
        /// <param name="fname">Account firstname</param>
        /// <param name="lname">Account lastname</param>
        /// <returns>The user data profile</returns>
        UserProfileData getUserByName(string fname, string lname);

        /// <summary>
        /// Returns the current agent for a user searching by it's UUID
        /// </summary>
        /// <param name="user">The users UUID</param>
        /// <returns>The current agent session</returns>
        UserAgentData getAgentByUUID(LLUUID user);

        /// <summary>
        /// Returns the current session agent for a user searching by username
        /// </summary>
        /// <param name="name">The users account name</param>
        /// <returns>The current agent session</returns>
        UserAgentData getAgentByName(string name);

        /// <summary>
        /// Returns the current session agent for a user searching by username parts
        /// </summary>
        /// <param name="fname">The users first account name</param>
        /// <param name="lname">The users account surname</param>
        /// <returns>The current agent session</returns>
        UserAgentData getAgentByName(string fname, string lname);

        /// <summary>
        /// Adds a new User profile to the database 
        /// </summary>
        /// <param name="user">UserProfile to add</param>
        void addNewUserProfile(UserProfileData user);

        /// <summary>
        /// Adds a new agent to the database
        /// </summary>
        /// <param name="agent">The agent to add</param>
        void addNewUserAgent(UserAgentData agent);

        /// <summary>
        /// Attempts to move currency units between accounts (NOT RELIABLE / TRUSTWORTHY. DONT TRY RUN YOUR OWN CURRENCY EXCHANGE WITH REAL VALUES)
        /// </summary>
        /// <param name="from">The account to transfer from</param>
        /// <param name="to">The account to transfer to</param>
        /// <param name="amount">The amount to transfer</param>
        /// <returns>Successful?</returns>
        bool moneyTransferRequest(LLUUID from, LLUUID to, uint amount);

        /// <summary>
        /// Attempts to move inventory between accounts, if inventory is copyable it will be copied into the target account.
        /// </summary>
        /// <param name="from">User to transfer from</param>
        /// <param name="to">User to transfer to</param>
        /// <param name="inventory">Specified inventory item</param>
        /// <returns>Successful?</returns>
        bool inventoryTransferRequest(LLUUID from, LLUUID to, LLUUID inventory);

        /// <summary>
        /// Returns the plugin version
        /// </summary>
        /// <returns>Plugin version in MAJOR.MINOR.REVISION.BUILD format</returns>
        string getVersion();

        /// <summary>
        /// Returns the plugin name
        /// </summary>
        /// <returns>Plugin name, eg MySQL User Provider</returns>
        string getName();

        /// <summary>
        /// Initialises the plugin (artificial constructor)
        /// </summary>
        void Initialise();
    }
}