using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;

using CodeImp.DoomBuilder.Map;
using CodeImp.DoomBuilder.ZDoom;
using CodeImp.DoomBuilder.Actions;
using CodeImp.DoomBuilder.Windows;
using CodeImp.DoomBuilder.Config;

using CodeImp.DoomBuilder.GZBuilder.IO;
using CodeImp.DoomBuilder.GZBuilder.Data;
using CodeImp.DoomBuilder.GZBuilder.Windows;

using ColladaDotNet.Pipeline.MD3;

namespace CodeImp.DoomBuilder.GZBuilder
{
    //mxd. should get rid of this class one day...
    public class GZGeneral
    {
        private static Dictionary<int, ModelDefEntry> modelDefEntries; //doomEdNum, entry
        public static Dictionary<int, ModelDefEntry> ModelDefEntries { get { return modelDefEntries; } }

        //gzdoom light types
        private static int[] gz_lights = { /* normal lights */ 9800, 9801, 9802, 9803, 9804, /* additive lights */ 9810, 9811, 9812, 9813, 9814, /* negative lights */ 9820, 9821, 9822, 9823, 9824, /* vavoom lights */ 1502, 1503};
        public static int[] GZ_LIGHTS { get { return gz_lights; } }
        private static int[] gz_lightTypes = { 5, 10, 15 };
        public static int[] GZ_LIGHT_TYPES { get { return gz_lightTypes; } } 

        //version
        public const string Version = "1.01";

        //debug form
#if DEBUG
        private static DebugForm form;
#endif


        public static void Init() {
            //bind actions
            General.Actions.BindMethods(typeof(GZGeneral));
            General.MainWindow.UpdateGZDoomPannel();

            //create debug form
#if DEBUG
            form = new DebugForm();
            form.Show();
            form.Location = new Point(General.MainWindow.Location.X + General.MainWindow.Width, General.MainWindow.Location.Y);
            form.Height = General.MainWindow.Height;
#endif
        }

        public static void OnMapOpenEnd() {
            loadModelDefs();
            loadModels();
        }

        public static void OnReloadResources() {
            loadModelDefs();
            loadModels();
        }

        //!!!!!!!!!!! General.Map.FormatInterface.HasCustomFields  == UMDF!!!!!!!!

        public static bool LoadModelForThing(Thing t) {
            if (modelDefEntries.ContainsKey(t.Type)) {
                General.ErrorLogger.Add(ErrorType.Warning, "GZBuilder: got model override for thing id " + t.Type);

                if (modelDefEntries[t.Type].Model == null) {
                    //load model and texture
                    ModelDefEntry mde = modelDefEntries[t.Type];
                    mde.Model = ModelReader.Parse(mde, General.Map.Graphics.Device);

                    if (mde.Model != null) {
                        General.Map.IsChanged = true; //update display
                        General.ErrorLogger.Add(ErrorType.Warning, "GZBuilder: loaded model for thing id " + t.Type);
                        return true;
                    } else {
                        General.ErrorLogger.Add(ErrorType.Warning, "GZBuilder: failed to load model(s) for thing id " + t.Type + ". Node removed.");
                    }
                }
                return true;
            }
            return false;
        }

//functions
        private static void loadModelDefs() {
            Dictionary<string, int> Actors = new Dictionary<string,int>();
            Dictionary<int, ThingTypeInfo> things = General.Map.Config.GetThingTypes();

            //read our new shiny ClassNames for default game things
            foreach (KeyValuePair<int, ThingTypeInfo> ti in things) {
                if (ti.Value.ClassName != null)
                    Actors.Add(ti.Value.ClassName, ti.Key);
            }

            //and for actors defined in DECORATE
            ICollection<ActorStructure> ac = General.Map.Data.Decorate.Actors;
            foreach (ActorStructure actor in General.Map.Data.Decorate.Actors)
                Actors.Add(actor.ClassName.ToLower(), actor.DoomEdNum);

            Dictionary<string, ModelDefEntry> modelDefEntriesByName = new Dictionary<string, ModelDefEntry>();

            foreach (string folder in General.Map.Data.Folders)
                ModelDefParser.ParseFolder(modelDefEntriesByName, folder);

            modelDefEntries = new Dictionary<int, ModelDefEntry>();

            foreach (KeyValuePair<string, ModelDefEntry> e in modelDefEntriesByName) {
                if (Actors.ContainsKey(e.Value.Name)) {
                    modelDefEntries[Actors[e.Value.Name]] = modelDefEntriesByName[e.Value.Name];
                } else {
                    General.ErrorLogger.Add(ErrorType.Warning, "GZBuilder: ModelDefEntry wasn't found in Decorate: '" + e.Value.Name + "'");
                }
            }
        }

        //load models for things which are already in the map
        private static void loadModels() {
            General.ErrorLogger.Add(ErrorType.Warning, "GZBuilder: loading models...");
            
            foreach(Thing t in General.Map.Map.Things)
                LoadModelForThing(t);
        }

//debug
        public static void Trace(string message) {
#if DEBUG
            form.TextPannel.AppendText(message);
#endif
        }
        public static void TraceLine(string message) {
#if DEBUG
            form.TextPannel.AppendText(message + Environment.NewLine);
#endif
        }
        public static void ClearTrace() {
#if DEBUG
            form.TextPannel.Text = "";
#endif
        }

//actions
        [BeginAction("gztogglemodels")]
        private static void toggleModels() {
            ToggleModels();
            General.MainWindow.UpdateGZDoomPannel();
        }

        public static void ToggleModels() {
            General.Settings.GZDrawModels = !General.Settings.GZDrawModels;
            General.MainWindow.DisplayStatus(StatusType.Action, "MD3 models rendering is " + (General.Settings.GZDrawModels ? "ENABLED" : "DISABLED"));
            General.MainWindow.RedrawDisplay();
        }

        [BeginAction("gztogglelights")]
        private static void toggleLights() {
            ToggleLights();
            General.MainWindow.UpdateGZDoomPannel();
        }

        public static void ToggleLights() {
            General.Settings.GZDrawLights = !General.Settings.GZDrawLights;
            General.MainWindow.DisplayStatus(StatusType.Action, "Dynamic lights rendering is " + (General.Settings.GZDrawLights ? "ENABLED" : "DISABLED"));
            General.MainWindow.RedrawDisplay();
        }

        [BeginAction("gztogglelightsanimation")]
        private static void toggleLightsAnimation() {
            ToggleLightsAnimation();
            General.MainWindow.UpdateGZDoomPannel();
        }
        public static void ToggleLightsAnimation() {
            General.Settings.GZAnimateLights = !General.Settings.GZAnimateLights;
            General.MainWindow.DisplayStatus(StatusType.Action, "Dynamic lights animation is " + (General.Settings.GZAnimateLights ? "ENABLED" : "DISABLED"));
            General.MainWindow.RedrawDisplay();
        }

        [BeginAction("gztogglefog")]
        private static void toggleFog() {
            ToggleFog();
            General.MainWindow.UpdateGZDoomPannel();
        }

        public static void ToggleFog() {
            General.Settings.GZDrawFog = !General.Settings.GZDrawFog;
            General.MainWindow.DisplayStatus(StatusType.Action, "Colored fog rendering is " + (General.Settings.GZDrawFog ? "ENABLED" : "DISABLED"));
            General.MainWindow.RedrawDisplay();
            General.ShowWarningMessage("Not implemented yet...", MessageBoxButtons.OK);
        }


        [BeginAction("gzdrawselectedmodelsonly")]
        private static void toggleDrawSelectedModelsOnly() {
            ToggleDrawSelectedModelsOnly();
            General.MainWindow.UpdateGZDoomPannel();
        }

        public static void ToggleDrawSelectedModelsOnly() {
            General.Settings.GZDrawSelectedModelsOnly = !General.Settings.GZDrawSelectedModelsOnly;
            General.MainWindow.DisplayStatus(StatusType.Action, "Rendering " + (General.Settings.GZDrawSelectedModelsOnly ? "only selected" : "all") + " models.");
            General.MainWindow.RedrawDisplay();
        }

        [BeginAction("gztogglelightpannel")]
        public static void ToggleLightPannel() {
            General.ShowWarningMessage("Not implemented yet...", MessageBoxButtons.OK);
        }

        [BeginAction("gztogglefogpannel")]
        public static void ToggleFogPannel() {
            General.ShowWarningMessage("Not implemented yet...", MessageBoxButtons.OK);
        }


    }
}