#region File Description
//-----------------------------------------------------------------------------
// CharacterLevelDescription.cs
//
// Microsoft XNA Community Game Platform
// Copyright (C) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
#endregion

#region Using Statements
using System;
using System.Collections.Generic;
using Microsoft.Xna.Framework.Content;
#endregion

namespace RolePlayingGameData
{
    /// <summary>
    /// The requirements and rewards for each level for a character class.
    /// </summary>
    public class CharacterLevelDescription
    {
        #region Experience Requirements


        /// <summary>
        /// The amount of additional experience necessary to achieve this level.
        /// </summary>
        private int experiencePoints;

        /// <summary>
        /// The amount of additional experience necessary to achieve this level.
        /// </summary>
        public int ExperiencePoints
        {
            get { return experiencePoints; }
            set { experiencePoints = value; }
        }


        #endregion


        #region Spell Rewards


        /// <summary>
        /// The content names of the spells given to the character 
        /// when it reaches this level.
        /// </summary>
        private List<string> spellContentNames = new List<string>();

        /// <summary>
        /// The content names of the spells given to the character 
        /// when it reaches this level.
        /// </summary>
        public List<string> SpellContentNames
        {
            get { return spellContentNames; }
            set { spellContentNames = value; }
        }


        /// <summary>
        /// Spells given to the character when it reaches this level.
        /// </summary>
        private List<Spell> spells = new List<Spell>();

        /// <summary>
        /// Spells given to the character when it reaches this level.
        /// </summary>
        [ContentSerializerIgnore]
        public List<Spell> Spells
        {
            get { return spells; }
            set { spells = value; }
        }
        

        #endregion


        #region Content Type Reader


        /// <summary>
        /// Read a CharacterLevelDescription object from the content pipeline.
        /// </summary>
        public class CharacterLevelDescriptionReader : 
            ContentTypeReader<CharacterLevelDescription>
        {
            /// <summary>
            /// Read a CharacterLevelDescription object from the content pipeline.
            /// </summary>
            protected override CharacterLevelDescription Read(ContentReader input,
                CharacterLevelDescription existingInstance)
            {
                CharacterLevelDescription desc = existingInstance;
                if (desc == null)
                {
                    desc = new CharacterLevelDescription();
                }

                desc.ExperiencePoints = input.ReadInt32();
                desc.SpellContentNames.AddRange(input.ReadObject<List<string>>());

                // load all of the spells immediately
                foreach (string spellContentName in desc.SpellContentNames)
                {
                    desc.spells.Add(input.ContentManager.Load<Spell>(
                        System.IO.Path.Combine("Spells", spellContentName)));
                }

                return desc;
            }
        }


        #endregion
    }
}