using galacticlip_app.Models;
using System;
using System.Windows.Input;
using Microsoft.Maui.Controls;

namespace galacticlip_app
{
    public class MediaDetailViewModel : BindableObject
    {

        private const string NoteKeyPrefix = "MediaNote_";

        public string ThumbnailUrl { get; private set; }
        public string Title { get; private set; }
        public string Description { get; private set; }
        public DateTime DateCreated { get; private set; }
        public string Photographer { get; private set; }
        public string Keywords { get; private set; }

        private string _personalNote;
        public string PersonalNote
        {
            get => _personalNote;
            set
            {
                if (_personalNote != value)
                {
                    _personalNote = value;
                    OnPropertyChanged();

                    // Save the note whenever it changes
                    SavePersonalNote();
                }
            }
        }


        public ICommand BookmarkCommand { get; }
        public ICommand CloseCommand { get; }



        private string _noteKey;


        // Updated constructor to accept a NasaMediaItem directly
        public MediaDetailViewModel(NasaMediaItem mediaItem)
        {
            if (mediaItem != null)
            {
                ThumbnailUrl = mediaItem.ThumbnailUrl;
                Title = mediaItem.Title;
                Description = mediaItem.Description;
                DateCreated = mediaItem.DateCreated;
                Photographer = mediaItem.Photographer;
                Keywords = mediaItem.Keywords;

                // Use the item's unique identifier as the key
                _noteKey = $"{NoteKeyPrefix}{mediaItem.Id}";

                // Load saved note for this media item
                PersonalNote = Preferences.Get(_noteKey, string.Empty);
            }

            BookmarkCommand = new Command(OnBookmark);
            CloseCommand = new Command(OnClose);
        }

        private void SavePersonalNote()
        {
            Preferences.Set(_noteKey, _personalNote);
        }

        private async void OnBookmark()
        {
            await App.Current.MainPage.DisplayAlert("Bookmark", "Item bookmarked successfully.", "OK");
        }

        private async void OnClose()
        {
            await App.Current.MainPage.Navigation.PopModalAsync();
        }
    }
}