using System.Collections;
using System.Collections.Generic;
using Roads;
using UnityEngine;

namespace TrafficSimulation
{
    public class IndicatorHandler : MonoBehaviour
    {
        public GameObject[] rightIndicators;

        public GameObject[] leftIndicators;

        public float blinkPause = 0.5f;
        
        private bool leftIndicatorsRunning;

        private bool rightIndicatorsRunning;

        private List<Coroutine> activeRoutines;
        // Start is called before the first frame update
        void Start()
        {
            this.leftIndicatorsRunning = false;
            this.rightIndicatorsRunning = false;
            this.activeRoutines = new List<Coroutine>();
        }

        public void ActivateLeftIndicators()
        {
            if (leftIndicatorsRunning)
            {
                //Debug.Log("Left indicator already running. Abort!");
                return;
            }

            this.leftIndicatorsRunning = true;
            ActivateIndicators(this.leftIndicators);
        }
        public void ActivateRightIndicators()
        {
            if (rightIndicatorsRunning)
            {
                //Debug.Log("Right indicator already running. Abort!");
                return;
            }

            this.rightIndicatorsRunning = true;
            ActivateIndicators(this.rightIndicators);
        }

        public void DeactivateAllIndicators()
        {
            foreach (Coroutine coroutine in activeRoutines)
            {
                StopCoroutine(coroutine);
            }

            if (this.leftIndicatorsRunning)
            {
                foreach (GameObject indicator in this.leftIndicators)
                {
                    indicator.SetActive(false);
                }

                this.leftIndicatorsRunning = false;
            }

            if (this.rightIndicatorsRunning)
            {
                foreach (GameObject indicator in this.rightIndicators)
                {
                    indicator.SetActive(false);
                }

                this.rightIndicatorsRunning = false;
            }
        }
        private void ActivateIndicators(GameObject[] indicators)
        {
            this.activeRoutines.Add(StartCoroutine(RunIndicator(indicators, this.blinkPause)));
        }

        IEnumerator RunIndicator(GameObject[] indicators,float pause)
        {
            while (true)
            {
                foreach (GameObject indicator in indicators)
                {
                    indicator.SetActive(!indicator.activeSelf);
                }
                yield return new WaitForSeconds(blinkPause);
            }
        }
    }
}