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

namespace Mogafa.App.LogEvents.Intercepts
{
    public class AbGroupEventIntercept : MogafaBase, ILogEventIntercept
    {
        private readonly List<AbGroupEvent> abGroupEvents;
        public string Name => "AbGroupEventIntercept";
        public int Order => 50;
        public AbGroupEventIntercept(List<AbGroupEvent> abGroupEvents)
        {
            this.abGroupEvents = abGroupEvents ?? new List<AbGroupEvent>();
        }
        public Task<Dictionary<string, Dictionary<string, string>>> Execute(string eventName, Dictionary<string, string> parameters)
        {
            var events = new Dictionary<string, Dictionary<string, string>>
            {
                { eventName, parameters }
            };
            if (abGroupEvents.Count == 0)
            {
                return Task.FromResult(events);
            }
            var groups = abGroupEvents.Where(ab => ab.EventNames.FirstOrDefault(ev =>
                (ev.EndsWith("_") && (eventName.StartsWith(ev) || eventName == ev.Substring(0, ev.Length - 1)) ||
                (!ev.EndsWith("_") && eventName == ev))) != null);
            foreach(var group in groups)
            {
                events.Add($"{eventName}_{group.Name}_{group.Value}", parameters);
            }
            return Task.FromResult(events);
        }
    }
}