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

namespace EventsAppQuest.Web.Presentation
{
    /// <summary>
    /// Faixa do estado final de encerramento: existe estado, closure status, principal bloqueio, principal progresso, timestamp.
    /// </summary>
    public class EventCycleClosureStripView : 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 closures = EventCycleClosureController.EvaluateClosure(orders, opportunities, proposals, sessions, followUps);

            var first = closures?.FirstOrDefault();
            if (first == null)
            {
                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 = "Encerramento: nenhum ciclo.";
                return;
            }

            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 = $"Encerramento: {first.ClosureStatus} | Bloqueio: {first.MainBlockingReason} | Progresso: {first.MainProgressReason} | Avaliado: {(first.EvaluatedAt?.ToString("yyyy-MM-dd HH:mm") ?? "—")}";
            if (first.IsCycleBlocked) text2.color = new Color(0.75f, 0.2f, 0.2f);
            else if (first.IsCycleAtRisk) text2.color = new Color(0.7f, 0.4f, 0f);
        }

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