using GalaSoft.MvvmLight.Ioc;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.Core.Commands;
using Tango.DAL.Observables;
using Tango.MachineStudio.Common.StudioApplication;
using Tango.SharedUI;

namespace Tango.MachineStudio.Developer.ViewModels
{
    public class MainViewVM : ViewModel
    {
        public IStudioApplicationManager ApplicationManager { get; set; }

        public ObservablesEntitiesAdapter Adapter { get; set; }

        private Machine _selectedMachine;

        public Machine SelectedMachine
        {
            get { return _selectedMachine; }
            set { _selectedMachine = value; RaisePropertyChangedAuto(); OnMachineChanged(); InvalidateRelayCommands(); }
        }

        private List<LiquidTypesRml> _liquidTypesRmls;

        public List<LiquidTypesRml> LiquidTypesRmls
        {
            get { return _liquidTypesRmls; }
            set { _liquidTypesRmls = value; RaisePropertyChangedAuto(); }
        }

        private ObservableCollection<RmlsProcessParametersTable> _rmlProcessParametersTables;

        public ObservableCollection<RmlsProcessParametersTable> RmlProcessParametersTables
        {
            get { return _rmlProcessParametersTables; }
            set { _rmlProcessParametersTables = value; RaisePropertyChangedAuto(); }
        }


        private DBViewContextWrapper<Rml> _selectedRML;

        public DBViewContextWrapper<Rml> SelectedRML
        {
            get { return _selectedRML; }
            set { _selectedRML = value; RaisePropertyChangedAuto(); InvalidateLiquidFactorsAndProcessTables(); InvalidateRelayCommands(); }
        }

        private bool _isSideBarOpened;

        public bool IsSideBarOpened
        {
            get { return _isSideBarOpened; }
            set { _isSideBarOpened = value; RaisePropertyChangedAuto(); }
        }


        public RelayCommand EditMachineCommand { get; set; }

        public RelayCommand EditRMLCommand { get; set; }

        public RelayCommand ToggleSideBarCommand { get; set; }

        public MainViewVM()
        {
            IsSideBarOpened = true;
        }

        [PreferredConstructor]
        public MainViewVM(IStudioApplicationManager applicationManager)
        {
            Adapter = ObservablesEntitiesAdapter.Instance;
            EditMachineCommand = new RelayCommand(EditMachine, (x) => SelectedMachine != null);
            ApplicationManager = applicationManager;
            EditRMLCommand = new RelayCommand(EditRML, (x) => SelectedRML != null);
            ToggleSideBarCommand = new RelayCommand(() => IsSideBarOpened = !IsSideBarOpened);
        }

        private void EditRML()
        {
            ApplicationManager.RequestModule("Data Base", SelectedRML.EditEntity);
        }

        private void EditMachine()
        {
            ApplicationManager.RequestModule("Machine Designer", SelectedMachine);
        }

        private void OnMachineChanged()
        {
            InvalidateLiquidFactorsAndProcessTables();
        }

        private void InvalidateLiquidFactorsAndProcessTables()
        {
            if (SelectedRML != null && SelectedMachine != null)
            {
                LiquidTypesRmls = SelectedMachine.Configuration.IdsPacks.OrderBy(x => x.PackIndex).Select(x => x.LiquidTypes).SelectMany(x => x.LiquidTypesRmls).Where(x => x.Rml.Guid == SelectedRML.EditEntity.Guid).ToList();
                RmlProcessParametersTables = SelectedRML.EditEntity.RmlsProcessParametersTables.ToObservableCollection();
            }
        }
    }
}