using Arrowgene.Ddon.GameServer.Scripting.Modules;
using Arrowgene.Ddon.Server;
using Arrowgene.Ddon.Shared.Scripting;
using Arrowgene.Logging;
using System.Collections.Generic;
using System.IO;

namespace Arrowgene.Ddon.GameServer.Scripting
{
    public class GlobalVariables
    {
        public GlobalVariables()
        {
        }
    };

    public class GameServerScriptManager : ScriptManager<GlobalVariables>
    {
        private static readonly ServerLogger Logger = LogProvider.Logger<ServerLogger>(typeof(GameServerScriptManager));

        private DdonGameServer Server { get; }
        private GlobalVariables Globals { get; }
        public NpcExtendedFacilityModule NpcExtendedFacilityModule { get; private set; } = new NpcExtendedFacilityModule();
        public GameItemModule GameItemModule { get; private set; } = new GameItemModule();
        public MixinModule MixinModule { get; private set; } = new MixinModule();
        public QuestModule QuestModule { get; private set; } = new QuestModule();
        public ChatCommandModule ChatCommandModule { get; private set; } = new ChatCommandModule();
        public PointModifierModule PointModifierModule { get; private set; } = new PointModifierModule();
        public AddendumModule AddendumModule { get; private set; } = new AddendumModule();
        public MonsterCautionSpotModule MonsterCautionSpotModule { get; private set; } = new MonsterCautionSpotModule();
        public InstanceEnemyPropertyGeneratorModule InstanceEnemyPropertyGeneratorModule { get; private set; } = new InstanceEnemyPropertyGeneratorModule();
        public JobOrbTreeModule SkillAugmentationModule { get; private set; } = new JobOrbTreeModule("job_orb_tree/skill_augmentation");
        public JobOrbTreeModule SpecialSkillAugmentationModule { get; private set; } = new JobOrbTreeModule("job_orb_tree/special_skill_augmentation");
        public JobOrbTreeSpecialConditionModule JobOrbSpecialConditionModule { get; private set; } = new();
        public JobEmblemStatModule JobEmblemStatModule { get; private set; } = new JobEmblemStatModule();
        public InstanceEnemyDropModule InstanceEnemyDropModule { get; private set; } = new();
        public SchedulerTaskModule SchedulerTaskModule { get; private set; } = new SchedulerTaskModule();
        public OfficialPawnModule OfficialPawnModule { get; private set; } = new OfficialPawnModule();

        public GameServerScriptManager(DdonGameServer server) : base(server.AssetRepository.AssetsPath, ".")
        {
            Server = server;
            Globals = new GlobalVariables();

            // Initialize LibDdon Singleton
            LibDdon.SetServer(server);

            // Add modules to the list so the generic logic can iterate over all scripting modules
            AddModule(ChatCommandModule);
            AddModule(GameItemModule);
            AddModule(MixinModule);
            AddModule(NpcExtendedFacilityModule);
            AddModule(PointModifierModule);
            AddModule(InstanceEnemyPropertyGeneratorModule);
            AddModule(SkillAugmentationModule);
            AddModule(JobEmblemStatModule);
            AddModule(SpecialSkillAugmentationModule);
            AddModule(JobOrbSpecialConditionModule);
            AddModule(MonsterCautionSpotModule);
            AddModule(InstanceEnemyDropModule);
            AddModule(SchedulerTaskModule);
            AddModule(OfficialPawnModule);
        }

        public override void Initialize()
        {
            base.Initialize(Globals);
        }

        protected override void CompileScripts(List<ScriptModule> modules = null)
        {
            base.CompileScripts(modules);

            // World Manage Quests have a dependency on Caution Spots, so load quests after
            // caution spots
            base.CompileScripts([QuestModule]);
            AddModule(QuestModule);

            // This module should run last since it applies fine grained modifications to other modules
            base.CompileScripts([AddendumModule]);
            AddModule(AddendumModule);
        }

        protected override void OnChanged(object sender, FileSystemEventArgs e)
        {
            if (e.ChangeType != WatcherChangeTypes.Changed)
            {
                return;
            }

            var module = GetModuleFromFilePath(e.FullPath);
            if (module == null)
            {
                // No module associated with this script
                return;
            }

            base.OnChanged(sender, e);

            if (!module.GetType().Equals(typeof(AddendumModule)))
            {
                if (AddendumModule.Scripts.Count == 0)
                {
                    // No addendums to be reapplied
                    return;
                }

                try
                {
                    Logger.Info("Reapplying addendums");
                    foreach (var watcher in AddendumModule.Watchers)
                    {
                        watcher.EnableRaisingEvents = false;
                    }

                    foreach (var script in AddendumModule.Scripts)
                    {
                        CompileScript(AddendumModule, script);
                    }
                }
                finally
                {
                    foreach (var watcher in AddendumModule.Watchers)
                    {
                        watcher.EnableRaisingEvents = true;
                    }
                }
            }
        }
    }
}