using UnityEngine;

public class DayNightCycle : MonoBehaviour
{
    [Header("Lights")]
    public Transform sunLight;
    public Transform moonLight;

    [Header("Skybox Materials")]
    public Material daySkybox;
    public Material nightSkybox;

    [Header("Rotation Settings")]
    public float startRotationX = 10f;
    public float endRotationX = 350f;

    [Range(0, 1)]
    public float duskPercentage = 0.5f;
    private bool hasTriggeredDusk = false;

    void Update()
    {
        if (GameManager.Instance != null)
        {
            float totalDayTime = 300f;
            float timePassed = totalDayTime - GameManager.Instance.timeRemaining;
            float timePercentage = timePassed / totalDayTime;

            // 1. Handle Light Rotation
            float currentSunX = Mathf.Lerp(startRotationX, endRotationX, timePercentage);
            sunLight.rotation = Quaternion.Euler(currentSunX, -30f, 0f);
            moonLight.rotation = Quaternion.Euler(currentSunX + 180f, -30f, 0f);

            // 2. Handle Skybox Swap
            // We swap to the night skybox a bit before the dusk enemies spawn
            if (timePercentage > 0.45f)
            {
                RenderSettings.skybox = nightSkybox;
            }
            else
            {
                RenderSettings.skybox = daySkybox;
            }

            // 3. Dusk Enemies Trigger
            if (timePercentage >= duskPercentage && !hasTriggeredDusk)
            {
                hasTriggeredDusk = true;
                TerrainObjectSpawner spawner = FindObjectOfType<TerrainObjectSpawner>();
                if (spawner != null) spawner.SpawnExtraEnemies(2);
            }
        }
    }
}