using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using SiegeSong;

namespace SiegeSong
{
    public class TargetSelector : MonoBehaviour
    {
        public BattleStrategizer Strategizer;
        public StatisticsManager Actor;
        int comparisonIterations = 3;

        public void FindCombatTarget()
        {
            var colliders = Physics.OverlapSphere(gameObject.transform.position, Actor.Awareness.MaxMediumDistance);
            if (colliders.Length == 0)
            {

            }
            var comparisonIteration = 0;
            var highestConfidenceTargetIndex = 0;
            var highestConfidenceScore = 0;
            for (var i = 0; i < colliders.Length; i++)
            {
                var targetActor = colliders[i].transform.gameObject.GetComponent<Statistics>();
                var hostilityLevel = Actor.FactionManager.GetActorFactionRelationship(targetActor);
                var battleStrategizer = colliders[i].transform.gameObject.GetComponentInChildren<BattleStrategizer>();
                if (targetActor != null && comparisonIteration < comparisonIterations)
                {
                    var actorFactionRelationship = Actor.FactionManager.GetActorFactionRelationship(targetActor);
                    switch (actorFactionRelationship)
                    {
                        case FactionRelationship.Allies:
                            if (battleStrategizer.TargetStats != null)
                            {
                                Strategizer.TargetStats = battleStrategizer.TargetStats;
                                battleStrategizer.DetermineConfidenceLevel();
                                if (battleStrategizer.ConfidenceScore > highestConfidenceScore)
                                {
                                    highestConfidenceScore = battleStrategizer.ConfidenceScore;
                                    highestConfidenceTargetIndex = i;
                                    comparisonIteration++;
                                }
                            }
                            break;
                        case FactionRelationship.Rivals:
                        case FactionRelationship.Enemies:
                        case FactionRelationship.Combatants:
                            if (actorFactionRelationship == FactionRelationship.Combatants && Actor.Stats.InCombat)
                            {
                                Strategizer.TargetStats = battleStrategizer.TargetStats;
                                battleStrategizer.DetermineConfidenceLevel();
                                if (battleStrategizer.ConfidenceScore > highestConfidenceScore)
                                {
                                    highestConfidenceScore = battleStrategizer.ConfidenceScore;
                                    highestConfidenceTargetIndex = i;
                                    comparisonIteration++;
                                }
                            }
                            break;
                    }
                }
                battleStrategizer.DetermineConfidenceLevel();
            }
            Strategizer.TargetStats = colliders[highestConfidenceTargetIndex].transform.gameObject.GetComponent<Statistics>();
        }

        void Start()
        {
        
        }

        void Update()
        {
        
        }
    }
}