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

public class SaturnDeath : MonoBehaviour
{
    [Header("Текстури тропосфери (BaseMap)")]
    public Texture2D tropo100;
    public Texture2D tropo70;
    public Texture2D tropo50;
    public Texture2D tropo30;
    public Texture2D tropo0;
    public Texture2D deadTexture;

    [Header("Текстури тропосфери (BaseMap2)")]
    public Texture2D tropo100B;
    public Texture2D tropo70B;
    public Texture2D tropo50B;
    public Texture2D tropo30B;
    public Texture2D tropo0B;
    public Texture2D deadTextureB;

    [Header("Текстури кілець")]
    public Texture2D rings100;
    public Texture2D rings70;
    public Texture2D rings50;
    public Texture2D rings30;
    public Texture2D rings0;

    [Header("Кільця")]
    public Renderer ringsRenderer;

    [Range(0f, 1f)]
    public float troposphereLevel = 1f;
    public float stratosphereLevel = 1f;
    public float thermosphereLevel = 1f;
    public float exosphereLevel = 1f;

    private Renderer _planetRenderer;
    private Material _planetMat;
    private Material _ringsMat;
    private Texture2D _originalTexture;
    private Texture2D _originalTexture2;
    private Texture2D _originalRingsTexture;

    void Start()
    {
        _planetRenderer = GetComponent<Renderer>();
        if (_planetRenderer == null)
            _planetRenderer = GetComponentInChildren<Renderer>();

        if (_planetRenderer != null)
        {
            _planetMat = _planetRenderer.material;
            _originalTexture = (Texture2D)_planetMat.GetTexture("_BaseMap");
            _originalTexture2 = (Texture2D)_planetMat.GetTexture("_BaseMap2");
        }

        if (ringsRenderer != null)
        {
            _ringsMat = ringsRenderer.material;
            _originalRingsTexture = (Texture2D)_ringsMat.GetTexture("_BaseMap");
        }
    }

    public void ResetTexture()
    {
        troposphereLevel = 1f;
        stratosphereLevel = 1f;
        thermosphereLevel = 1f;
        exosphereLevel = 1f;

        if (_planetMat != null)
        {
            if (_originalTexture != null)
                _planetMat.SetTexture("_BaseMap", _originalTexture);
            if (_originalTexture2 != null)
                _planetMat.SetTexture("_BaseMap2", _originalTexture2);
        }

        if (_ringsMat != null && _originalRingsTexture != null)
            _ringsMat.SetTexture("_BaseMap", _originalRingsTexture);
    }

    void Update()
    {
        if (_planetMat == null) return;
        UpdatePlanetTexture();
        UpdateRingsTexture();
    }

    void UpdatePlanetTexture()
    {
        float worst = Mathf.Min(troposphereLevel, stratosphereLevel, thermosphereLevel, exosphereLevel);

        if (worst >= 1f)
        {
            if (_originalTexture != null)
                _planetMat.SetTexture("_BaseMap", _originalTexture);
            if (_originalTexture2 != null)
                _planetMat.SetTexture("_BaseMap2", _originalTexture2);
            return;
        }

        Texture2D tex = worst <= 0f ? deadTexture : GetPlanetTexture(worst);
        Texture2D tex2 = worst <= 0f ? deadTextureB : GetPlanetTexture2(worst);

        if (tex != null)
            _planetMat.SetTexture("_BaseMap", tex);
        if (tex2 != null)
            _planetMat.SetTexture("_BaseMap2", tex2);
    }

    void UpdateRingsTexture()
    {
        if (_ringsMat == null) return;

        float worst = Mathf.Min(troposphereLevel, stratosphereLevel, thermosphereLevel, exosphereLevel);

        if (worst >= 1f)
        {
            if (_originalRingsTexture != null)
                _ringsMat.SetTexture("_BaseMap", _originalRingsTexture);
            return;
        }

        Texture2D tex = worst <= 0f ? rings0 : GetRingsTexture(worst);
        if (tex != null)
            _ringsMat.SetTexture("_BaseMap", tex);
    }

    Texture2D GetPlanetTexture(float level)
    {
        if (level >= 0.7f) return tropo100;
        else if (level >= 0.5f) return tropo70;
        else if (level >= 0.3f) return tropo50;
        else if (level > 0f) return tropo30;
        else return tropo0;
    }

    Texture2D GetPlanetTexture2(float level)
    {
        if (level >= 0.7f) return tropo100B;
        else if (level >= 0.5f) return tropo70B;
        else if (level >= 0.3f) return tropo50B;
        else if (level > 0f) return tropo30B;
        else return tropo0B;
    }

    Texture2D GetRingsTexture(float level)
    {
        if (level >= 0.7f) return rings100;
        else if (level >= 0.5f) return rings70;
        else if (level >= 0.3f) return rings50;
        else if (level > 0f) return rings30;
        else return rings0;
    }
}