using Aurora;
using Aurora.Api;
using AuroraCellTracker;
using System;
using System.Reactive.Linq;
using System.Windows;

using VisionCommon;
using WeldingCommon.Data;
using WeldingCommon.Sequences;

namespace WeldingCommon.Settings
{
    public class SystemParameterManager
    {
        private static IAuroraEnvironment _auroraEnv { get; set; }
        public static SystemParameter SysParam { get; set; }

        private static bool _IsInitialized = false;

        public static void Initialize(IAuroraEnvironment aurora)
        {
            if (!_IsInitialized) {
                _auroraEnv = aurora;
                _auroraEnv.EventObservable
                    .AsObservable(AuroraSysEvent.SYS_SETTING_CHANGED)
                    .Where(msg => (string)msg.Param == CommonSettingIds.SystemParameter)
                    .Select(msg => msg.From)
                    .Subscribe(UpdateSystemParameter);
                UpdateSystemParameter("Init");

                FieldScanParams.GetInstance().Initialize(_auroraEnv);
                _IsInitialized = true;
            }
        }

        private static void UpdateSystemParameter(string from)
        {
            SysParam = _auroraEnv.SettingEntry[CommonSettingIds.SystemParameter] as SystemParameter;
            if (from == "Init" || from == "USER_via_UI") {
                UpdateVisionRecipeFromSystemParameter();
            }
        }

        private static void UpdateVisionRecipeFromSystemParameter()
        {
            var forInfos = VisionRecipeManager.GetFovInfos();
            if (forInfos == null || forInfos.Count == 0) {
                MessageBox.Show("현재 Active된 Recipe의 Vision Recipe를 확인 해 주세요");
                return;
            }
            var forRecipes = VisionRecipeManager.GetFovRecipes(forInfos);
            if (forRecipes == null)
                return;
            foreach (var forRecipe in forRecipes) {
                // PixelSize
                forRecipe.CalFovRecipe.PixelSize.X = SysParam.CameraPixelSize;
                forRecipe.CalFovRecipe.PixelSize.Y = SysParam.CameraPixelSize;
            }
            RecipeFileManager.SaveVisionRecipe();
        }
    }
}