//

using System;

using System.Collections.Generic;

using System.Diagnostics;

using System.Runtime.Serialization;

using System.Threading.Tasks;

namespace SharpLib.Ear

{

    [DataContract]

    [AttributeObject(Id = "Event", Name = "User Event", Description = "An event that can be triggered by users.")]

    public class Event : Object

    {

        [DataMember]

        [AttributeObjectProperty

            (

                Id = "Event.Enabled",

                Name = "Enabled",

                Description = "When enabled an event instance can be triggered."

            )

        ]

        public bool Enabled { get; set; } = true;

        /// <summary>

        /// TODO: Should the name property be moved to our EAR Object?

        /// </summary>

        [DataMember]

        [AttributeObjectProperty

            (

                Id = "Event.Name",

                Name = "Name",

                Description = "Given event name. Can be used to trigger it."

            )

        ]

        public string Name { get; set; } = "";

        [DataMember]

        public List<Action> Actions = new List<Action>();

        protected override void DoConstruct()

        {

            base.DoConstruct();

            //Make sure our name is not null

            if (Name == null)

            {

                Name = "";

            }

            // TODO: Construct properties too

            foreach (Action a in Actions)

            {

                a.Construct();

            }

        }

        /// <summary>

        /// Allows testing from generic edit dialog.

        /// </summary>

        public async void Test()

        {

            Trace.WriteLine("Event test");

            await Trigger();

        }

        public async Task Trigger()

        {

            Trace.WriteLine("Event triggered: " + AttributeName);

            foreach (Action action in Actions)

            {

                await action.Execute();

            }

        }

        //

        public override bool Equals(object obj)

        {

            //Default implementation assumes event are the same if types are the same

            bool res=  obj.GetType() == GetType();

            return res;

        }

    };

}