using NewHorizons.Body;
using NewHorizons.Body.Geometry;
using NewHorizons.External;
using OWML.Common;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using UnityEngine;
using Logger = NewHorizons.Utility.Logger;

namespace NewHorizons.Builder.Body
{
    static class HeightMapBuilder
    {
        public static Shader PlanetShader;

        public static void Make(GameObject go, HeightMapModule module, IModAssets assets)
        {
            Texture2D heightMap, textureMap;
            try
            {
                if (module.HeightMap == null) heightMap = Texture2D.whiteTexture;
                else heightMap = assets.GetTexture(module.HeightMap);
                if (module.TextureMap == null) textureMap = Texture2D.whiteTexture;
                else textureMap = assets.GetTexture(module.TextureMap);
            }
            catch(Exception e)
            {
                Logger.LogError($"Couldn't load HeightMap textures, {e.Message}, {e.StackTrace}");
                return;
            }

            GameObject cubeSphere = new GameObject("CubeSphere");
            cubeSphere.transform.parent = go.transform;
            cubeSphere.transform.rotation = Quaternion.Euler(90, 0, 0);

            Mesh mesh = CubeSphere.Build(51, heightMap, module.MinHeight, module.MaxHeight);

            cubeSphere.AddComponent<MeshFilter>();
            cubeSphere.GetComponent<MeshFilter>().mesh = mesh;

            if(PlanetShader == null) PlanetShader = Main.ShaderBundle.LoadAsset<Shader>("Assets/SphereTextureWrapper.shader");

            var cubeSphereMR = cubeSphere.AddComponent<MeshRenderer>();
            cubeSphereMR.material = new Material(PlanetShader);
            cubeSphereMR.material.mainTexture = textureMap;

            var cubeSphereMC = cubeSphere.AddComponent<MeshCollider>();
            cubeSphereMC.sharedMesh = mesh;

            // Fix rotation in the end
            cubeSphere.transform.localRotation = Quaternion.Euler(90, 0, 0);
            cubeSphere.transform.localPosition = Vector3.zero;
        }
    }
}