using UnityEngine;
using UnityEngine.UI;
using EventsAppQuest.Web.Application;
using EventsAppQuest.Web.Domain;
using EventsAppQuest.Web.Producer.Application;

namespace EventsAppQuest.Web.Presentation
{
    /// <summary>
    /// Faixa da watchlist: existe watchlist, total observado, favoritos, item fixado principal, timestamp.
    /// </summary>
    public class EventCycleWatchlistStripView : MonoBehaviour, IWebContentRoot
    {
        private Transform _content;

        public void SetContentRoot(Transform contentRoot) => _content = contentRoot;

        private void Start()
        {
            Refresh();
            WebRuntimeContext.OnDataChanged += Refresh;
        }

        private void OnDestroy() => WebRuntimeContext.OnDataChanged -= Refresh;

        public void Refresh()
        {
            if (_content == null) return;
            ClearContent(_content);
            var data = WebRuntimeContext.DataService;
            if (data == null) return;
            var font = Resources.GetBuiltinResource<Font>("LegacyRuntime.ttf");

            var orders = HandoffStore.GetOrders();
            var opportunities = data.GetOpportunities();
            var proposals = data.GetProposals();
            var sessions = data.GetSessions();
            var followUps = data.GetFollowUpTasks();
            var priorityState = EventCyclePortfolioPriorityController.BuildPortfolioPriority(orders, opportunities, proposals, sessions, followUps);
            var watchState = EventCycleWatchlistController.GetWatchlistState(priorityState);

            if (watchState.TotalWatched == 0)
            {
                var go = new GameObject("Strip");
                go.transform.SetParent(_content, false);
                go.AddComponent<RectTransform>().sizeDelta = new Vector2(0, 22);
                var text = go.AddComponent<Text>();
                text.font = font;
                text.fontSize = 12;
                text.text = "Watchlist: nenhum caso observado.";
                return;
            }

            var topPinnedTitle = watchState.TopPinnedItem?.Title ?? "—";
            var favCount = watchState.FavoriteItems?.Count ?? 0;

            var go2 = new GameObject("Strip");
            go2.transform.SetParent(_content, false);
            go2.AddComponent<RectTransform>().sizeDelta = new Vector2(0, 22);
            var text2 = go2.AddComponent<Text>();
            text2.font = font;
            text2.fontSize = 12;
            text2.text = $"Watchlist: {watchState.TotalWatched} observado(s) | {favCount} favorito(s) | Fixado: {topPinnedTitle} | {(watchState.LastUpdatedAt?.ToString("yyyy-MM-dd HH:mm") ?? "—")}";
        }

        private static void ClearContent(Transform content)
        {
            for (var i = content.childCount - 1; i >= 0; i--)
                Destroy(content.GetChild(i).gameObject);
        }
    }
}
