using JetBrains.Annotations;
using Content.Shared.MassMedia.Components;
using Content.Shared.MassMedia.Systems;
using Robust.Shared.Utility;

namespace Content.Client.MassMedia.Ui
{
    [UsedImplicitly]
    public sealed class NewsWriteBoundUserInterface : BoundUserInterface
    {
        [ViewVariables]
        private NewsWriteMenu? _menu;

        [ViewVariables]
        private string _windowName = Loc.GetString("news-read-ui-default-title");

        public NewsWriteBoundUserInterface(EntityUid owner, Enum uiKey) : base(owner, uiKey)
        {
        }

        protected override void Open()
        {
            _menu = new NewsWriteMenu(_windowName);

            _menu.OpenCentered();
            _menu.OnClose += Close;

            _menu.ShareButtonPressed += OnShareButtonPressed;
            _menu.DeleteButtonPressed += OnDeleteButtonPressed;

            SendMessage(new NewsWriteArticlesRequestMessage());
        }

        protected override void Dispose(bool disposing)
        {
            base.Dispose(disposing);
            if (!disposing)
                return;

            _menu?.Close();
            _menu?.Dispose();
        }

        protected override void UpdateState(BoundUserInterfaceState state)
        {
            base.UpdateState(state);
            if (_menu == null || state is not NewsWriteBoundUserInterfaceState cast)
                return;

            _menu.UpdateUI(cast.Articles, cast.ShareAvalible);
        }

        private void OnShareButtonPressed()
        {
            if (_menu == null || _menu.NameInput.Text.Length == 0)
                return;

            var stringContent = Rope.Collapse(_menu.ContentInput.TextRope);

            if (stringContent.Length == 0)
                return;

            var stringName = _menu.NameInput.Text.Trim();
            var name = stringName[..Math.Min(stringName.Length, (SharedNewsSystem.MaxNameLength))];
            var content = stringContent[..Math.Min(stringContent.Length, (SharedNewsSystem.MaxArticleLength))];
            _menu.ContentInput.TextRope = new Rope.Leaf(string.Empty);
            _menu.NameInput.Text = string.Empty;
            SendMessage(new NewsWriteShareMessage(name, content));
        }

        private void OnDeleteButtonPressed(int articleNum)
        {
            if (_menu == null)
                return;

            SendMessage(new NewsWriteDeleteMessage(articleNum));
        }
    }
}