using System;
using System.Collections.Generic;
using System.Linq;
using Syroot.NintenTools.NSW.Bfres;
using System.Windows.Forms;
using Switch_Toolbox.Library;
using Switch_Toolbox.Library.IO;
using Switch_Toolbox.Library.Rendering;
using Switch_Toolbox.Library.Forms;
using ResU = Syroot.NintenTools.Bfres;
using FirstPlugin;
using OpenTK;


namespace Bfres.Structs
{
    public class FMATFolder : TreeNodeCustom
    {
        public FMATFolder()
        {
            Text = "Materials";
            Name = "FmatFolder";

            ContextMenu = new ContextMenu();
            MenuItem import = new MenuItem("Add Material");
            ContextMenu.MenuItems.Add(import);
            import.Click += Import;
        }
        public void Import(object sender, EventArgs args)
        {
            OpenFileDialog ofd = new OpenFileDialog();
            ofd.Filter = "Bfres Material |*.bfmat;";
            ofd.Multiselect = true;
            if (ofd.ShowDialog() == DialogResult.OK)
            {
                foreach (string file in ofd.FileNames)
                    ((FMDL)Parent).AddMaterials(file, false);
            }
        }
        public override void OnClick(TreeView treeView)
        {

        }
    }
    public class FMAT : STGenericMaterial
    {
        public FMAT()
        {
            Checked = true;
            ImageKey = "material";
            SelectedImageKey = "material";

            ContextMenu = new ContextMenu();
            MenuItem export = new MenuItem("Export");
            ContextMenu.MenuItems.Add(export);
            export.Click += Export;
            MenuItem replace = new MenuItem("Replace");
            ContextMenu.MenuItems.Add(replace);
            replace.Click += Replace;
            MenuItem copy = new MenuItem("Copy");
            ContextMenu.MenuItems.Add(copy);
            copy.Click += Copy;
            MenuItem rename = new MenuItem("Rename");
            ContextMenu.MenuItems.Add(rename);
            rename.Click += Rename;
        }

        public bool Enabled = true;

        public override void OnClick(TreeView treeView)
        {
            UpdateFMATEditor();
        }
        public void UpdateFMATEditor()
        {
            FMATEditor docked = (FMATEditor)LibraryGUI.Instance.GetContentDocked(new FMATEditor());
            if (docked == null)
            {
                docked = new FMATEditor();
                LibraryGUI.Instance.LoadDockContent(docked, PluginRuntime.FSHPDockState);
            }
            docked.Text = Text;
            docked.Dock = DockStyle.Fill;
            docked.LoadMaterial(this);
        }
        public ResFile GetResFile()
        {
            //ResourceFile -> FMDL -> Material Folder -> this
            return ((FMDL)Parent.Parent).GetResFile();
        }
        public ResU.ResFile GetResFileU()
        {
            return ((FMDL)Parent.Parent).GetResFileU();
        }

        public void UpdateTextureMaps()
        {
           ((BFRES)Parent.Parent.Parent.Parent).BFRESRender.UpdateSingleMaterialTextureMaps(this);
        }

        public void SetActiveGame()
        {
            Runtime.activeGame = Runtime.ActiveGame.SMO;
            return;

            string ShaderName = shaderassign.ShaderArchive;
            string ShaderModel = shaderassign.ShaderModel;

            if (ShaderName == "alRenderMaterial" || ShaderName == "alRenderCloudLayer" || ShaderName == "alRenderSky")
                Runtime.activeGame = Runtime.ActiveGame.SMO;
            else if (ShaderName == "Turbo_UBER")
                Runtime.activeGame = Runtime.ActiveGame.MK8D;
            else if (ShaderName.Contains("uking_mat"))
                Runtime.activeGame = Runtime.ActiveGame.BOTW;
            else if (ShaderName.Contains("Blitz_UBER"))
                Runtime.activeGame = Runtime.ActiveGame.Splatoon2;
            else
                Runtime.activeGame = Runtime.ActiveGame.KSA;
        }
        private void Rename(object sender, EventArgs args)
        {
            RenameDialog dialog = new RenameDialog();
            dialog.SetString(Text);

            if (dialog.ShowDialog() == DialogResult.OK)
            {
                ((FMDL)Parent.Parent).materials.Remove(Text);
                Text = dialog.textBox1.Text;
                ((FMDL)Parent.Parent).materials.Add(Text, this);
            }
        }
        private void Copy(object sender, EventArgs args)
        {
            ((FMDL)Parent.Parent).CopyMaterial(this);
        }
        private void Export(object sender, EventArgs args)
        {
            SaveFileDialog sfd = new SaveFileDialog();
            sfd.Filter = "Supported Formats|*.bfmat;";

            sfd.DefaultExt = ".bfmat";
            sfd.FileName = Text;

            if (sfd.ShowDialog() == DialogResult.OK)
            {
                if (BFRES.Instance.IsWiiU)
                    MaterialU.Export(sfd.FileName, GetResFileU());
                else
                    Material.Export(sfd.FileName, GetResFile());
            }
        }
        private void Replace(object sender, EventArgs args)
        {
            OpenFileDialog ofd = new OpenFileDialog();
            ofd.Filter = "Supported Formats|*.bfmat;";

            if (ofd.ShowDialog() == DialogResult.OK)
            {
                if (BFRES.Instance.IsWiiU)
                {
                    MaterialU.Import(ofd.FileName, GetResFileU());
                    MaterialU.Name = Text;
                    BfresWiiU.ReadMaterial(this, MaterialU);
                }
                else
                {
                    Material.Import(ofd.FileName);
                    Material.Name = Text;
                    BfresSwitch.ReadMaterial(this, Material);
                }
            }
        }

        public Dictionary<string, float[]> anims = new Dictionary<string, float[]>();
        public Dictionary<string, int> Samplers = new Dictionary<string, int>();
        public List<MatTexture> textures = new List<MatTexture>();
        public List<BfresRenderInfo> renderinfo = new List<BfresRenderInfo>();
        public List<SamplerInfo> samplerinfo = new List<SamplerInfo>();
        public Dictionary<string, BfresShaderParam> matparam = new Dictionary<string, BfresShaderParam>();

        public Material Material;
        public ResU.Material MaterialU;

        public ShaderAssign shaderassign = new ShaderAssign();

        public class ShaderAssign
        {
            public string ShaderModel = "";
            public string ShaderArchive = "";


            public Dictionary<string, string> options = new Dictionary<string, string>();
            public Dictionary<string, string> samplers = new Dictionary<string, string>();
            public Dictionary<string, string> attributes = new Dictionary<string, string>();
        }
        public class SamplerInfo
        {
            public int WrapModeU;
            public int WrapModeV;
            public int WrapModeW;
        }
        public bool HasDiffuseMap = false;
        public bool HasNormalMap = false;
        public bool HasSpecularMap = false;
        public bool HasEmissionMap = false;
        public bool HasDiffuseLayer = false;
        public bool HasTeamColorMap = false; //Splatoon uses this (TLC)
        public bool HasTransparencyMap = false;
        public bool HasShadowMap = false;
        public bool HasAmbientOcclusionMap = false;
        public bool HasLightMap = false;
        public bool HasSphereMap = false;
        public bool HasSubSurfaceScatteringMap = false;

        //PBR (Switch) data
        public bool HasMetalnessMap = false;
        public bool HasRoughnessMap = false;
        public bool HasMRA = false;
    }
    public class BfresShaderParam
    {
        public ShaderParamType Type;
        public string Name;

        public float[] ValueFloat;
        public bool[] ValueBool;
        public uint[] ValueUint;
        public int[] ValueInt;
        public byte[] ValueReserved;

        public Srt2D ValueSrt2D;
        public Srt3D ValueSrt3D;
        public TexSrt ValueTexSrt;
        public TexSrtEx ValueTexSrtEx;

        //If a data set is not defined then defaults in this to save back properly
        //Note this may be rarely needed or not at all
        public byte[] Value_Unk;


        private void ReadSRT2D(FileReader reader)
        {
            ValueSrt2D = new Srt2D();
            ValueSrt2D.Scaling = reader.ReadVec2SY();
            ValueSrt2D.Rotation = reader.ReadSingle();
            ValueSrt2D.Translation = reader.ReadVec2SY();
        }
        private void ReadSRT3D(FileReader reader)
        {
            ValueSrt3D = new Srt3D();
            ValueSrt3D.Scaling = reader.ReadVec3SY();
            ValueSrt3D.Rotation = reader.ReadVec3SY();
            ValueSrt3D.Translation = reader.ReadVec3SY();
        }
        private void ReadTexSrt(FileReader reader)
        {
            ValueTexSrt = new TexSrt();
            ValueTexSrt.Mode = reader.ReadEnum<TexSrtMode>(false);
            ValueTexSrt.Scaling = reader.ReadVec2SY();
            ValueTexSrt.Rotation = reader.ReadSingle();
            ValueTexSrt.Translation = reader.ReadVec2SY();
        }
        private void ReadTexSrtEx(FileReader reader)
        {
            ValueTexSrtEx = new TexSrtEx();
            ValueTexSrtEx.Mode = reader.ReadEnum<TexSrtMode>(true);
            ValueTexSrtEx.Scaling = reader.ReadVec2SY();
            ValueTexSrtEx.Rotation = reader.ReadSingle();
            ValueTexSrtEx.Translation = reader.ReadVec2SY();
            ValueTexSrtEx.MatrixPointer = reader.ReadUInt32();
        }
        public ShaderParamType GetTypeWiiU(ResU.ShaderParamType type)
        {
            return (ShaderParamType)System.Enum.Parse(typeof(ShaderParamType), type.ToString());
        }
        public ResU.ShaderParamType SetTypeWiiU(ShaderParamType type)
        {
            return (ResU.ShaderParamType)System.Enum.Parse(typeof(ResU.ShaderParamType), type.ToString());
        }

        public void ReadValue(FileReader reader, int Size)
        {
            switch (Type)
            {
                case ShaderParamType.Bool:
                case ShaderParamType.Bool2:
                case ShaderParamType.Bool3:
                case ShaderParamType.Bool4:
                    ValueBool = reader.ReadBooleans(Size / sizeof(bool)); break;
                case ShaderParamType.Float:
                case ShaderParamType.Float2:
                case ShaderParamType.Float3:
                case ShaderParamType.Float4:
                case ShaderParamType.Float2x2:
                case ShaderParamType.Float2x3:
                case ShaderParamType.Float2x4:
                case ShaderParamType.Float4x2:
                case ShaderParamType.Float4x3:
                case ShaderParamType.Float4x4:
                    ValueFloat = reader.ReadSingles(Size / sizeof(float)); break;
                case ShaderParamType.Int:
                case ShaderParamType.Int2:
                case ShaderParamType.Int3:
                case ShaderParamType.Int4:
                    ValueInt = reader.ReadInt32s(Size / sizeof(int)); break;
                case ShaderParamType.Reserved2:
                case ShaderParamType.Reserved3:
                case ShaderParamType.Reserved4:
                    ValueReserved = reader.ReadBytes(Size / sizeof(byte)); break;
                case ShaderParamType.Srt2D:
                    ReadSRT2D(reader); break;
                case ShaderParamType.Srt3D:
                    ReadSRT3D(reader); break;
                case ShaderParamType.TexSrt:
                    ReadTexSrt(reader); break;
                case ShaderParamType.TexSrtEx:
                    ReadTexSrtEx(reader); break;
                case ShaderParamType.UInt:
                case ShaderParamType.UInt2:
                case ShaderParamType.UInt3:
                case ShaderParamType.UInt4:
                    ValueUint = reader.ReadUInt32s(Size / sizeof(uint)); break;
                // Invalid
                default:
                    throw new ArgumentException($"Invalid {nameof(ShaderParamType)} {Type}.",
               nameof(Type));
            }
        }
        public void WriteValue(FileWriter writer)
        {
            switch (Type)
            {
                case ShaderParamType.Bool:
                case ShaderParamType.Bool2:
                case ShaderParamType.Bool3:
                case ShaderParamType.Bool4:
                    writer.Write(ValueBool); break;
                case ShaderParamType.Float:
                case ShaderParamType.Float2:
                case ShaderParamType.Float3:
                case ShaderParamType.Float4:
                case ShaderParamType.Float2x2:
                case ShaderParamType.Float2x3:
                case ShaderParamType.Float2x4:
                case ShaderParamType.Float4x2:
                case ShaderParamType.Float4x3:
                case ShaderParamType.Float4x4:
                    writer.Write(ValueFloat); break;
                case ShaderParamType.Int:
                case ShaderParamType.Int2:
                case ShaderParamType.Int3:
                case ShaderParamType.Int4:
                    writer.Write(ValueInt); break;
                case ShaderParamType.Reserved2:
                case ShaderParamType.Reserved3:
                case ShaderParamType.Reserved4:
                    writer.Write(ValueInt); break;
                case ShaderParamType.Srt2D:
                    WriteSRT2D(writer); break;
                case ShaderParamType.Srt3D:
                    WriteSRT3D(writer); break;
                case ShaderParamType.TexSrt:
                    WriteTexSrt(writer); break;
                case ShaderParamType.TexSrtEx:
                    WriteTexSrtEx(writer); break;
                case ShaderParamType.UInt:
                case ShaderParamType.UInt2:
                case ShaderParamType.UInt3:
                case ShaderParamType.UInt4:
                    writer.Write(ValueUint); break;
                // Invalid
                default:
                    throw new ArgumentException($"Invalid {nameof(ShaderParamType)} {Type}.",
               nameof(Type));
            }
        }
        private void WriteSRT2D(FileWriter writer)
        {
            writer.Write(ValueSrt2D.Scaling);
            writer.Write(ValueSrt2D.Rotation);
            writer.Write(ValueSrt2D.Translation);
        }
        private void WriteSRT3D(FileWriter writer)
        {
            writer.Write(ValueSrt3D.Scaling);
            writer.Write(ValueSrt3D.Rotation);
            writer.Write(ValueSrt3D.Translation);
        }
        private void WriteTexSrt(FileWriter writer)
        {
            writer.Write((uint)ValueTexSrt.Mode);
            writer.Write(ValueTexSrt.Scaling);
            writer.Write(ValueTexSrt.Rotation);
            writer.Write(ValueTexSrt.Translation);
        }
        private void WriteTexSrtEx(FileWriter writer)
        {
            writer.Write((uint)ValueTexSrtEx.Mode);
            writer.Write(ValueTexSrtEx.Scaling);
            writer.Write(ValueTexSrtEx.Rotation);
            writer.Write(ValueTexSrtEx.Translation);
            writer.Write(ValueTexSrtEx.MatrixPointer);

        }
    }
    public class BfresRenderInfo
    {
        public string Name;
        public long DataOffset;
        public RenderInfoType Type;
        public int ArrayLength;

        //Data Section by "Type"

        public int[] ValueInt;
        public string[] ValueString;
        public float[] ValueFloat;

        public RenderInfoType GetTypeWiiU(ResU.RenderInfoType type)
        {
            return (RenderInfoType)System.Enum.Parse(typeof(RenderInfoType), type.ToString());
        }
        public ResU.RenderInfoType SetTypeWiiU(RenderInfoType type)
        {
            return (ResU.RenderInfoType)System.Enum.Parse(typeof(ResU.RenderInfoType), type.ToString());
        }

    }
    public class MatTexture : STGenericMatTexture
    {
        public int hash;
        public string SamplerName;
        //Note samplers will get converted to another sampler type sometimes in the shader assign section
        //Use this string if not empty for our bfres fragment shader to produce the accurate affects
        //An example of a conversion maybe be like a1 - t0 so texture gets used as a transparent map/alpha texture
        public string FragShaderSampler = "";

        public MatTexture()
        {

        }
    }
}