using Prism.Mvvm;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Prism.Services.Dialogs;
using PDF_Master.Model.PageEdit;
using Prism.Commands;
using PDF_Master.Model;
using ComPDFKitViewer.PdfViewer;

namespace PDF_Master.ViewModels.Dialog.PageEditDialogs
{
    public class ExtractDialogViewModel : BindableBase, IDialogAware
    {
        private bool isDeleteAfterExtract = true;
        public string Title => "";

        public event Action<IDialogResult> RequestClose;

        public DelegateCommand CancelCommand { get; set; }

        public DelegateCommand ExtractCommnad { get; set; }

        private ExtractModel model;

        public ExtractModel Model
        {
            get { return model; }
            set
            {
                SetProperty(ref model, value);
            }
        }

        private bool isEnabledDeleteAfterExtract = true;

        public bool IsEnabledDeleteAfterExtract
        {
            get { return isEnabledDeleteAfterExtract; }
            set
            {
                SetProperty(ref isEnabledDeleteAfterExtract, value);
            }
        }

        public ExtractDialogViewModel()
        {
            Model = new ExtractModel();
            CancelCommand = new DelegateCommand(cancel);
            ExtractCommnad = new DelegateCommand(extract);
        }

        private void cancel()
        {
            RequestClose.Invoke(new DialogResult(ButtonResult.Cancel));
        }

        private void extract()
        {
            DialogParameters valuePairs = new DialogParameters();
            valuePairs.Add(ParameterNames.DataModel, Model);
            RequestClose.Invoke(new DialogResult(ButtonResult.OK, valuePairs));
        }

        public bool CanCloseDialog()
        {
            return true;
        }

        public void OnDialogClosed()
        {
            return;
        }

        public void OnDialogOpened(IDialogParameters parameters)
        {
            parameters.TryGetValue<bool>(ParameterNames.IsDeleteAfterExtract, out isDeleteAfterExtract);
            IsEnabledDeleteAfterExtract = isDeleteAfterExtract ? true : false;
        }
    }
}