using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEditor;
using UnityEngine;

[CustomEditor(typeof(RebuildMesh))]
public class RebuildMeshEditor : Editor
{
    RebuildMesh inst;

    private void OnEnable()
    {
        inst = (RebuildMesh)target;
    }

    public override void OnInspectorGUI()
    {
        base.OnInspectorGUI();

        //
        if (GUILayout.Button("DestroyByNameMesh", GUILayout.Height(50)))
        {
            DestroyByNameMesh();
        }

        if (GUILayout.Button("ReNameMesh", GUILayout.Height(50)))
        {
            ReNameMesh();
        }

        if (GUILayout.Button("GetMeshRef", GUILayout.Height(50)))
        {
            //GetMeshRef();
        }

        //
        if (GUILayout.Button("ReBuildMesh", GUILayout.Height(50)))
        {
            ReBuildMeshs();

        }

        //
        if (GUILayout.Button("SetRefMesh", GUILayout.Height(50)))
        {
            //SetRefMesh();
        }

        if (GUILayout.Button("DetachRefMesh", GUILayout.Height(50)))
        {
            DetachRefMesh();
        }

        if (GUILayout.Button("SetRefMeshEditorble", GUILayout.Height(50)))
        {
            SetRefMeshEditorble();
        }

        if (GUILayout.Button("SetMeshLightMapScale", GUILayout.Height(50)))
        {
            SetMeshLightMapScale();
        }

        if (GUILayout.Button("GeneraterLightMapingUVs", GUILayout.Height(50)))
        {
            GeneraterLightMapingUVs();
        }

        if (GUILayout.Button("CloseShadow", GUILayout.Height(50)))
        {
            CloseShadow();
        }

        GUILayout.BeginHorizontal();
        if (GUILayout.Button("SetToBake", GUILayout.Height(50)))
        {
            SetToBake();
        }

        if (GUILayout.Button("SetToRunTime", GUILayout.Height(50)))
        {
            SetToRunTime();
        }
        GUILayout.EndHorizontal();
    }

    void ReNameMesh()
    {
        int index = 0;
        foreach (Transform t in inst.root.GetComponentsInChildren<Transform>())
        {
            if (t != inst.root && t.gameObject.activeSelf && t.GetComponent<MeshFilter>())
            {
                MeshFilter meshFilter = t.GetComponent<MeshFilter>();
                t.name = meshFilter.sharedMesh.name + "_" + index.ToString();
                ++index;
            }
        }
    }

    void DestroyByNameMesh()
    {
        foreach (Transform t in inst.root.GetComponentsInChildren<Transform>())
        {
            if (t != inst.root && t.gameObject.activeSelf && t.GetComponent<MeshFilter>())
            {
                if(t.name.Contains(inst.meshRef.name))
                {
                    DestroyImmediate(t.gameObject);
                }
            }
        }
    }

    void GetMeshRef()
    {
        inst.meshRefList.Clear();
        int index = 0;
        foreach (Transform t in inst.root.GetComponentsInChildren<Transform>())
        {
            if (t != inst.root && t.gameObject.activeSelf && t.GetComponent<MeshFilter>())
            {
                MeshFilter meshFilter = t.GetComponent<MeshFilter>();
                Mesh mesh = Instantiate(meshFilter.sharedMesh);

                char[] names = inst.root.name.ToCharArray();
                string name = "";
                for (int i = 0; i < names.Length; ++i)
                {
                    if(i == 0)
                    {
                        name += names[0].ToString().ToLower();
                    }
                    else
                    {
                        name += names[i].ToString();
                    }
                }

                mesh.name = name + "_" + index.ToString();

                inst.meshRefList.Add(mesh);
                ++index;
            }
        }
    }

    void ReBuildMesh()
    {
        foreach (Mesh m in inst.meshRefList)
        {
            AssetDatabase.CreateAsset(m, "Assets/CartoonOriental/Scene/Meshs/Meshs/" + m.name + ".mesh");
        }

        AssetDatabase.SaveAssets();
        AssetDatabase.Refresh();
    }

    void ReBuildMeshs()
    {
        foreach (Transform t in inst.root.GetComponentsInChildren<Transform>())
        {
            if (t != inst.root && t.gameObject.activeSelf && t.GetComponent<MeshFilter>())
            {
                MeshFilter meshFilter = t.GetComponent<MeshFilter>();

                if(meshFilter.sharedMesh == inst.meshRef)
                {
                    meshFilter.sharedMesh = inst.meshRes;
                }
            }
        }

        Debug.Log("Done!");
    }

    void ReBuildMeshss()
    {
        foreach (Transform t in inst.root.GetComponentsInChildren<Transform>())
        {
            if (t != inst.root && t.gameObject.activeSelf && t.GetComponent<MeshFilter>())
            {
                MeshFilter meshFilter = t.GetComponent<MeshFilter>();

                if (meshFilter.sharedMesh.GetTriangles(0).Length == inst.meshRef.GetTriangles(0).Length)
                {
                    meshFilter.sharedMesh = inst.meshRef;
                }
            }
        }

        Debug.Log("Done!");
    }


    void SetRefMesh()
    {
        int index = 0;
        foreach (Transform t in inst.root.GetComponentsInChildren<Transform>())
        {
            if (t != inst.root && t.gameObject.activeSelf && t.GetComponent<MeshFilter>())
            {
                MeshFilter meshFilter = t.GetComponent<MeshFilter>();
                meshFilter.sharedMesh = inst.meshRefList[index];

                ++index;
            }
        }
    }

    void DetachRefMesh()
    {
        int index = 0;
        foreach (Transform t in inst.root.GetComponentsInChildren<Transform>())
        {
            if (t != inst.root && t.gameObject.activeSelf && t.GetComponent<MeshFilter>())
            {
                t.SetParent(inst.root);

                ++index;
            }
        }
    }

    void SetRefMeshEditorble()
    {
        MeshFilter meshFilter = inst.root.GetComponent<MeshFilter>();
        Vector3[] verts = meshFilter.sharedMesh.vertices;
        int[] tris = meshFilter.sharedMesh.triangles;
        Vector3[] nors = meshFilter.sharedMesh.normals;
        Vector4[] tans = meshFilter.sharedMesh.tangents;
        Vector2[] uvs0 = meshFilter.sharedMesh.uv;
        Vector2[] uvs1 = meshFilter.sharedMesh.uv2;
        Vector2[] uvs2 = meshFilter.sharedMesh.uv3;
        Color[] cols = meshFilter.sharedMesh.colors;

        Mesh mesh = new Mesh();
        mesh.SetVertices(verts);
        mesh.SetTriangles(tris, 0);
        mesh.SetNormals(nors);
        mesh.SetTangents(tans);
        mesh.SetUVs(0, uvs0);
        mesh.SetUVs(1, uvs1);
        mesh.SetUVs(2, uvs2);
        mesh.SetColors(cols);
        mesh.RecalculateBounds();

        AssetDatabase.CreateAsset(mesh, "Assets/CartoonOriental/Scene/Meshs/Others/" + meshFilter.sharedMesh.name + "_Copy.mesh");

        meshFilter.sharedMesh = mesh;

        AssetDatabase.SaveAssets();
        AssetDatabase.Refresh();
    }

    void SetMeshLightMapScale()
    {
        foreach (Transform t in inst.root.GetComponentsInChildren<Transform>())
        {
            if (t != inst.root && t.gameObject.activeSelf && t.GetComponent<MeshRenderer>())
            {
                t.GetComponent<MeshRenderer>().scaleInLightmap = inst.lightMapScale;
            }
        }
    }

    void GeneraterLightMapingUVs()
    {
        /*foreach (Transform t in inst.root.GetComponentsInChildren<Transform>())
        {
            if (t != inst.root && t.gameObject.activeSelf && t.GetComponent<MeshRenderer>())
            {
                Unwrapping.GenerateSecondaryUVSet(t.GetComponent<MeshFilter>().sharedMesh);
            }
        }*/

        GameObject obj = Selection.activeGameObject;
        bool sss = Unwrapping.GenerateSecondaryUVSet(obj.GetComponent<MeshFilter>().sharedMesh);
        Debug.Log(sss);
    }

    void CloseShadow()
    {
        foreach (Transform t in inst.root.GetComponentsInChildren<Transform>())
        {
            if (t != inst.root && t.gameObject.activeSelf && t.GetComponent<MeshRenderer>())
            {
                t.GetComponent<MeshRenderer>().shadowCastingMode = UnityEngine.Rendering.ShadowCastingMode.Off;
            }
        }
    }

    void SetToBake()
    {
        foreach (Transform t in inst.root.GetComponentsInChildren<Transform>())
        {
            if(t.name == "Plants")
            {
                foreach (Transform tt in t.GetComponentsInChildren<Transform>())
                {
                    tt.gameObject.isStatic = true;
                }
            }
        }

        RenderSettings.ambientIntensity = 1.0f;
    }

    void SetToRunTime()
    {
        foreach (Transform t in inst.root.GetComponentsInChildren<Transform>())
        {
            if (t.name == "Plants")
            {
                foreach (Transform tt in t.GetComponentsInChildren<Transform>())
                {
                    tt.gameObject.isStatic = false;
                }
            }
        }

        RenderSettings.ambientIntensity = 1.5f;
    }
}