using System.Collections.Generic;
using UnityEngine;
using Sirenix.Serialization;
using UnityEngine.Serialization;

public class PlayerEnvironmentManager : MonoBehaviour{
    [OdinSerialize]
    public List<EnvironmentObserver> observers;
    
    void Start(){
        CheckDuplicateLabels(observers);
    }

    // TODO: Not working.
    void CheckDuplicateLabels(List<EnvironmentObserver> sourceList){
        foreach (EnvironmentObserver sourceObserver in observers) {
            foreach (EnvironmentObserver observer in sourceList) {
                if (sourceObserver == observer) {
                    continue;
                }

                if (sourceObserver.label == observer.label) {
                    Debug.LogError($"Duplicate label found in observer: {observer.label} is in use multiple times");
                }

                if (observer.children != null && observer.children.Count > 0) {
                    CheckDuplicateLabels(observer.children);
                }
            }
        }
    }

    public bool EvaluateFromString(string searchLabel, List<EnvironmentObserver> observerList = null){
        List<EnvironmentObserver> listToUse = observers;
        
        if (observerList != null) {
            listToUse = observerList;
        } 
        
        foreach (EnvironmentObserver observer in listToUse) {
            if (observer.label == searchLabel) {
                return observer.Evaluate(gameObject);
            }

            if (observer.children != null && observer.children.Count > 0) {
                foreach (EnvironmentObserver childObserver in observer.children) {
                    EvaluateFromString(searchLabel, childObserver.children);
                }
            }
        }

        return false;
    }
    
    public EnvironmentObserver FindObserverFromString(string searchLabel, List<EnvironmentObserver> observerList = null){
        List<EnvironmentObserver> listToUse = observers;
        
        if (observerList != null) {
            listToUse = observerList;
        } 
        
        foreach (EnvironmentObserver observer in listToUse) {
            if (observer.label == searchLabel) {
                return observer;
            }

            if (observer.children != null && observer.children.Count > 0) {
                foreach (EnvironmentObserver childObserver in observer.children) {
                    FindObserverFromString(searchLabel, childObserver.children);
                }
            }
        }

        return null;
    }

    void Update(){
    }
    
    void LateUpdate(){
        // Draw Gizmos
        foreach (EnvironmentObserver observer in observers) {
            observer.DrawObserverGizmo(gameObject);
            
            if (observer.children != null && observer.children.Count > 0) {
                foreach (EnvironmentObserver childObserver in observer.children) {
                    childObserver.DrawObserverGizmo(gameObject);
                }
            }
        }
        
        // Clear hit
        foreach (EnvironmentObserver observer in observers) {
            observer.hit = default;
            
            if (observer.children != null && observer.children.Count > 0) {
                foreach (EnvironmentObserver childObserver in observer.children) {
                    childObserver.hit = default;
                }
            }
        }
    }
}