/*
 *                     GNU AFFERO GENERAL PUBLIC LICENSE
 *                       Version 3, 19 November 2007
 *  Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
 *  Everyone is permitted to copy and distribute verbatim copies
 *  of this license document, but changing it is not allowed.
 */

using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using Avalonia.Controls;
using MessageBox.Avalonia.Enums;
using UVtools.Core.Suggestions;
using UVtools.WPF.Extensions;

namespace UVtools.WPF
{
    public partial class MainWindow
    {
        #region Members

        private ListBox _suggestionsAvailableListBox;

        #endregion

        #region Properties
        public Suggestion[] Suggestions { get; } = 
        {
            //new SuggestionBottomLayerCount(),
            //new SuggestionWaitTimeAfterCure(),
            //new SuggestionLayerHeight()
        };

        public RangeObservableCollection<Suggestion> SuggestionsAvailable { get; } = new();
        public RangeObservableCollection<Suggestion> SuggestionsApplied { get; } = new();

        #endregion

        #region Methods
        public void InitSuggestions()
        {
            _suggestionsAvailableListBox = this.FindControl<ListBox>("SuggestionsAvailableListBox");
        }

        public void PopulateSuggestions(bool tryToAutoApply = true)
        {
            var suggestionsAvailable = new List<Suggestion>();
            var suggestionsApplied = new List<Suggestion>();
            foreach (var suggestion in Suggestions)
            {
                suggestion.SlicerFile = SlicerFile;
                if(!suggestion.Enabled || !suggestion.IsAvailable) continue;
                if(tryToAutoApply) suggestion.ExecuteIfAutoApply();

                if(suggestion.IsApplied) suggestionsApplied.Add(suggestion);
                else suggestionsAvailable.Add(suggestion);
            }

            SuggestionsAvailable.ReplaceCollection(suggestionsAvailable);
            SuggestionsApplied.ReplaceCollection(suggestionsApplied);
        }

        public async void ApplySuggestionsClicked()
        {
            if (!IsFileLoaded || _suggestionsAvailableListBox.SelectedItems.Count == 0) return;
            var suggestions = _suggestionsAvailableListBox.SelectedItems.Cast<Suggestion>().Where(suggestion => !suggestion.IsInformativeOnly).ToArray();
            if (suggestions.Length == 0) return;
            var sb = new StringBuilder($"Are you sure you want to apply the following {suggestions.Length} suggestions?:\n\n");

            foreach (var suggestion in suggestions)
            {
                sb.AppendLine(suggestion.ConfirmationMessage);
            }
            if (await this.MessageBoxQuestion(sb.ToString(), "Apply suggestions?") != ButtonResult.Yes) return;

            foreach (var suggestion in suggestions)
            {
                suggestion.Execute();
            }

            PopulateSuggestions(false);
        }

        public async void ApplySuggestionClicked(Suggestion suggestion)
        {
            if (!IsFileLoaded || suggestion is null || suggestion.IsInformativeOnly) return;

            if (await this.MessageBoxQuestion($"Are you sure you want to apply the following suggestion?:\n\n{suggestion.ConfirmationMessage}", "Apply the suggestion?") != ButtonResult.Yes) return;
            
            suggestion.Execute();
            PopulateSuggestions(false);
        }

        #endregion
    }
}