using Cielonos.MainGame.Characters.AI;
using Opsive.BehaviorDesigner.Runtime.Tasks;
using Opsive.Shared.Utility;
using UnityEngine;

namespace Cielonos.MainGame.Characters.AI
{
    [Category("Cielonos/Rhythm")]
    [Description("Returns Success if an upcoming beat containing a tag that starts with 'EnemyAttack' is within the lead time. Otherwise returns Failure.")]
    public class RhythmAttackDetector : AutomataConditionalBase
    {
        [Tooltip("The lead time before the beat in seconds.")]
        public float leadTime = 0.1f;

        [Tooltip("The prefix of the tag to match.")]
        public string tagPrefix = "EnemyAttack";

        private MusicBeatSystem _beatSystem;
        private BeatMarker _lastTriggeredBeat;

        public override void OnAwake()
        {
            base.OnAwake();
            _beatSystem = CombatManager.GetCombatSystem<MusicBeatSystem>();
        }

        public override void OnStart()
        {
            _lastTriggeredBeat = null;
        }

        public override TaskStatus OnUpdate()
        {
            if (_beatSystem == null || !_beatSystem.IsActive || _beatSystem.CurrentBeatData == null)
            {
                return TaskStatus.Failure;
            }

            BeatMarker targetBeat = FindNextMatchingBeat();
            if (targetBeat == null)
            {
                return TaskStatus.Failure;
            }

            // If we have already triggered for this specific beat, we shouldn't succeed again
            if (_lastTriggeredBeat == targetBeat)
            {
                return TaskStatus.Failure;
            }

            float timeUntilBeat = targetBeat.time - _beatSystem.CurrentSongTime;

            // Check if we are within the lead time window
            if (timeUntilBeat <= leadTime)
            {
                TriggerDetection(targetBeat, timeUntilBeat);
                return TaskStatus.Success;
            }

            return TaskStatus.Failure;
        }

        private BeatMarker FindNextMatchingBeat()
        {
            float currentTime = _beatSystem.CurrentSongTime;
            var markers = _beatSystem.CurrentBeatData.beatMarkers;

            if (markers == null) return null;

            for (int i = 0; i < markers.Count; i++)
            {
                BeatMarker marker = markers[i];

                // Check for upcoming beats
                if (marker.time > currentTime)
                {
                    if (marker.tags != null)
                    {
                        for (int j = 0; j < marker.tags.Count; j++)
                        {
                            if (marker.tags[j].StartsWith(tagPrefix))
                            {
                                return marker;
                            }
                        }
                    }
                }
            }

            return null;
        }

        private void TriggerDetection(BeatMarker beat, float timeUntilBeat)
        {
            _lastTriggeredBeat = beat;

            // Log matching tags for identification
            string matchedTag = "";
            if (beat.tags != null)
            {
                foreach (string t in beat.tags)
                {
                    if (t.StartsWith(tagPrefix))
                    {
                        matchedTag = t;
                        break;
                    }
                }
            }

            Debug.Log($"[RhythmAttackDetector] Conditional MET for {self.gameObject.name} at {beat.time:F3}s " +
                      $"(in {timeUntilBeat:F3}s) with matched tag '{matchedTag}'.");
        }
    }
}