using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

using Svelto.ECS;
using GamecraftModdingAPI.Utility;

namespace GamecraftModdingAPI.Events
{
    /// <summary>
    /// A simple implementation of IEventEmitterEngine sufficient for most uses
    /// </summary>
    public class SimpleEventEmitterEngine : IEventEmitterEngine
    {
        public string Name { get; set; }
        public int type { get; set; }

        public bool isRemovable { get; }

        public IEntityFactory Factory { private get; set; }

        public EntitiesDB entitiesDB { set; private get; }

        public void Ready() { }

        /// <summary>
        /// Emit the event
        /// </summary>
        public void Emit()
        {
            Factory.BuildEntity<ModEventEntityDescriptor>(ApiExclusiveGroups.eventID++, ApiExclusiveGroups.eventsExclusiveGroup)
                .Init(new ModEventEntityStruct { type = type });
        }

        public void Dispose() { }

        /// <summary>
        /// Construct the engine
        /// </summary>
        /// <param name="type">The EventType to use for ModEventEntityStruct.type</param>
        /// <param name="name">The name of this engine</param>
        /// <param name="isRemovable">Will removing this engine not break your code?</param>
        public SimpleEventEmitterEngine(EventType type, string name, bool isRemovable = true)
        {
            this.type = (int)type;
            this.Name = name;
            this.isRemovable = isRemovable;
        }

        /// <summary>
        /// Construct the engine
        /// </summary>
        /// <param name="type">The object to use for ModEventEntityStruct.type</param>
        /// <param name="name">The name of this engine</param>
        /// <param name="isRemovable">Will removing this engine not break your code?</param>
        public SimpleEventEmitterEngine(int type, string name, bool isRemovable = true)
        {
            this.type = type;
            this.Name = name;
            this.isRemovable = isRemovable;
        }
    }
}