using NewHorizons.Builder.Atmosphere;
using NewHorizons.Components;
using NewHorizons.Components.SizeControllers;
using NewHorizons.External.VariableSize;
using NewHorizons.Utility;
using OWML.Common;
using System;
using UnityEngine;
using Logger = NewHorizons.Utility.Logger;

namespace NewHorizons.Builder.Body
{
    public class ProxyBuilder
    {
        private static Material lavaMaterial;

        public static void Make(GameObject gameObject, NewHorizonsBody body)
        {
            if(lavaMaterial == null) lavaMaterial = SearchUtilities.FindObjectOfTypeAndName<ProxyOrbiter>("VolcanicMoon_Body").transform.Find("LavaSphere").GetComponent<MeshRenderer>().material;

            var proxyName = $"{body.Config.Name}_Proxy";

            var newProxy = new GameObject(proxyName);

            try
            {
                // We want to take the largest size I think
                var realSize = body.Config.Base.SurfaceSize;

                if (body.Config.HeightMap != null)
                {
                    HeightMapBuilder.Make(newProxy, null, body.Config.HeightMap, body.Mod, 20);
                    if (realSize < body.Config.HeightMap.MaxHeight) realSize = body.Config.HeightMap.MaxHeight;
                }
                if (body.Config.Base.GroundSize != 0)
                {
                    GeometryBuilder.Make(newProxy, null, body.Config.Base.GroundSize);
                    if (realSize < body.Config.Base.GroundSize) realSize = body.Config.Base.GroundSize;
                }
                if (body.Config.Atmosphere != null)
                {
                    CloudsBuilder.MakeTopClouds(newProxy, body.Config.Atmosphere, body.Mod);
                    if (realSize < body.Config.Atmosphere.Size) realSize = body.Config.Atmosphere.Size;
                }
                if (body.Config.Ring != null)
                {
                    RingBuilder.MakeRingGraphics(newProxy, null, body.Config.Ring, body.Mod);
                    if (realSize < body.Config.Ring.OuterRadius) realSize = body.Config.Ring.OuterRadius;
                }
                if (body.Config.Star != null)
                {
                    StarBuilder.MakeStarGraphics(newProxy, null, body.Config.Star);
                    if (realSize < body.Config.Star.Size) realSize = body.Config.Star.Size;
                }
                if (body.Config.ProcGen != null)
                {
                    ProcGenBuilder.Make(newProxy, null, body.Config.ProcGen);
                    if (realSize < body.Config.ProcGen.Scale) realSize = body.Config.ProcGen.Scale;
                }
                if (body.Config.Lava != null)
                {
                    var sphere = AddColouredSphere(newProxy, body.Config.Lava.Size, body.Config.Lava.Curve, Color.black);
                    if (realSize < body.Config.Lava.Size) realSize = body.Config.Lava.Size;

                    var material = new Material(lavaMaterial);
                    if (body.Config.Lava.Tint != null) material.color = body.Config.Lava.Tint.ToColor();
                    sphere.GetComponent<MeshRenderer>().material = material;
                }
                if (body.Config.Water != null)
                {
                    var colour = body.Config.Water.Tint?.ToColor() ?? Color.blue;
                    AddColouredSphere(newProxy, body.Config.Water.Size, body.Config.Water.Curve, colour);
                    if (realSize < body.Config.Water.Size) realSize = body.Config.Water.Size;
                }
                if (body.Config.Sand != null)
                {
                    var colour = body.Config.Sand.Tint?.ToColor() ?? Color.yellow;
                    AddColouredSphere(newProxy, body.Config.Sand.Size, body.Config.Sand.Curve, colour);
                    if (realSize < body.Config.Sand.Size) realSize = body.Config.Sand.Size;
                }
                // Could improve this to actually use the proper renders and materials
                if (body.Config.Singularity != null)
                {
                    var colour = body.Config.Singularity.Type == "BlackHole" ? Color.black : Color.white;
                    AddColouredSphere(newProxy, body.Config.Singularity.Size, body.Config.Singularity.Curve, colour);
                    if (realSize < body.Config.Singularity.Size) realSize = body.Config.Singularity.Size;
                }

                // Remove all collisions if there are any
                foreach (var col in newProxy.GetComponentsInChildren<Collider>())
                {
                    GameObject.Destroy(col);
                }

                foreach (var renderer in newProxy.GetComponentsInChildren<Renderer>())
                {
                    renderer.shadowCastingMode = UnityEngine.Rendering.ShadowCastingMode.Off;
                    renderer.receiveShadows = false;
                    renderer.enabled = true;
                }
                foreach (var tessellatedRenderer in newProxy.GetComponentsInChildren<TessellatedRenderer>())
                {
                    tessellatedRenderer.enabled = true;
                }

                var proxyController = newProxy.AddComponent<NHProxy>();
                proxyController.astroName = body.Config.Name;
                proxyController._realObjectDiameter = realSize;
                proxyController.renderers = newProxy.GetComponentsInChildren<Renderer>();
                proxyController.tessellatedRenderers = newProxy.GetComponentsInChildren<TessellatedRenderer>();
            }
            catch (Exception ex)
            {
                Logger.Log($"Exception thrown when generating proxy for [{body.Config.Name}] : {ex.Message}, {ex.StackTrace}");
                GameObject.Destroy(newProxy);
            }
        }

        private static GameObject AddColouredSphere(GameObject rootObj, float size, VariableSizeModule.TimeValuePair[] curve, Color color)
        {
            GameObject sphereGO = GameObject.CreatePrimitive(PrimitiveType.Sphere);
            sphereGO.transform.parent = rootObj.transform;
            sphereGO.transform.localScale = Vector3.one * size;
            sphereGO.transform.position = rootObj.transform.position;

            GameObject.Destroy(sphereGO.GetComponent<Collider>());

            sphereGO.GetComponent<MeshRenderer>().material.color = color;

            if (curve != null)
            {
                var sizeController = sphereGO.AddComponent<SizeController>();
                var animCurve = new AnimationCurve();
                foreach (var pair in curve)
                {
                    animCurve.AddKey(new Keyframe(pair.Time, pair.Value));
                }
                sizeController.scaleCurve = animCurve;
                sizeController.size = size;
            }

            return sphereGO;
        }
    }
}