using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using Tango.DispenserAnalyzer.UI.Models;
using Tango.SharedUI;

namespace Tango.DispenserAnalyzer.UI.ViewModels
{
    [JsonObject(MemberSerialization.OptIn)]
    public class CollectionSettings : ViewModel
    {
        private string _name;
        [JsonProperty]
        public string Name
        {
            get { return _name; }
            set { _name = value; }
        }

        private ObservableCollection<BaseSettingModel> _settings;
        [JsonProperty]
        public ObservableCollection<BaseSettingModel> Settings
        {
            get { return _settings; }
            set { _settings = value; RaisePropertyChangedAuto(); }
        }

        public CollectionSettings(string name)
        {
            _settings = new ObservableCollection<BaseSettingModel>();
            Name = name;
        }

        public void AddSettings(List<BaseSettingModel> settings)
        {
            settings.ForEach(x =>  Settings.Add(x));
        }
    }

    public class SettingsVM : ViewModel, IDisposable
    {
        #region Properties
        public Dictionary<AnalyzerSettingsEnum, object> ChangedValues { get; set; }

        private ObservableCollection<CollectionSettings> _settings;

        public ObservableCollection<CollectionSettings> Settings
        {
            get { return _settings; }
            set { _settings = value; RaisePropertyChangedAuto(); }
        }

        #endregion

        public SettingsVM()
        {
            _settings = new ObservableCollection<CollectionSettings>();
            ChangedValues = new Dictionary<AnalyzerSettingsEnum, object>();
            InitPBUTestSettings();
            InitProcessSettings();
            InitFlowTestSettings();
            
        }

        private void InitPBUTestSettings()
        {
            CollectionSettings model = new CollectionSettings("Pressure build up");
            List<BaseSettingModel> list = new List<BaseSettingModel>();
            list.Add(new BaseSettingModel(AnalyzerSettingsEnum.PBUPassFail, "4.5 sec"));
            model.AddSettings(list);
            list.ForEach(x => x.SettingValueEvent += new EventHandler(OnSettingValueChanged));
            Settings.Add(model);
        }
        
        private void InitFlowTestSettings()
        {
            CollectionSettings model = new CollectionSettings("Flow test");
            List<BaseSettingModel> list = new List<BaseSettingModel>();

            list.Add(new BaseSettingModel(AnalyzerSettingsEnum.FlowPBUPassFail, "4.5 sec"));
            list.Add(new BaseSettingModel(AnalyzerSettingsEnum.ExcludeAnalysis, "1800 reads"));
            list.Add(new BaseSettingModel(AnalyzerSettingsEnum.AvgMinValue, "1400-1850 [mbar]", true));
            list.Add(new BaseSettingModel(AnalyzerSettingsEnum.MaxMinRange, "450 reads"));
            list.Add(new BaseSettingModel(AnalyzerSettingsEnum.MaxMinIntervals, "450 reads"));
            list.Add(new BaseSettingModel(AnalyzerSettingsEnum.MaxError, "1.67%"));
            list.Add(new BaseSettingModel(AnalyzerSettingsEnum.TakeOffMaxMin, "3"));
            list.Add(new BaseSettingModel(AnalyzerSettingsEnum.CancelMovingAVG, "False"));
            list.Add(new BaseSettingModel(AnalyzerSettingsEnum.DividerMaxError, "1500"));
            list.Add(new BaseSettingModel(AnalyzerSettingsEnum.DeviationAtRevolutionsMin, AnalyzerSettingsEnum.DeviationAtRevolutionsMax, "200-218"));
            list.Add(new BaseSettingModel(AnalyzerSettingsEnum.DirectoryPath, ""));
            list.ForEach(x =>  x.SettingValueEvent += new EventHandler(OnSettingValueChanged));
            model.AddSettings(list);
            Settings.Add(model);
        }

        private void InitProcessSettings()
        {
            CollectionSettings model = new CollectionSettings("Process");
            List<BaseSettingModel> list = new List<BaseSettingModel>();
            list.Add(new BaseSettingModel(AnalyzerSettingsEnum.TimeInterval, "0.1 sec"));
            list.Add(new BaseSettingModel(AnalyzerSettingsEnum.StartCalculation, "600 sec"));
            list.Add(new BaseSettingModel(AnalyzerSettingsEnum.EndCalculation, "900 sec"));
            list.Add(new BaseSettingModel(AnalyzerSettingsEnum.MovingAvg, "50 points"));
            list.ForEach(x => x.SettingValueEvent += new EventHandler(OnSettingValueChanged));
            model.AddSettings(list);
            Settings.Add(model);
        }

        private void OnSettingValueChanged(object sender, EventArgs e)
        {
            if (sender is BaseSettingModel)
            {
                BaseSettingModel settingModel = sender as BaseSettingModel;
                if (settingModel.IsRangeVisible)
                {
                    ChangedValues[AnalyzerSettingsEnum.AvgMinValue] = settingModel.MinRangeValue;
                    ChangedValues[AnalyzerSettingsEnum.AvgMaxValue] = settingModel.MaxRangeValue;
                }
                else
                    ChangedValues[settingModel._enumName] = settingModel.PropertyValue;
            }
        }
        
        public Dictionary<AnalyzerSettingsEnum, object> GetChanges()
        {
            return ChangedValues;
        }
        
        public void Dispose()
        {
            Settings.ToList().ForEach(x => {
                x.Settings.ToList().ForEach(k => k.SettingValueEvent -= OnSettingValueChanged);
            });
        }
    }
}