using System;
using BriarQueen.Data.Identifiers;
using BriarQueen.Data.IO.Saves;
using BriarQueen.Framework.Events.UI;
using BriarQueen.Framework.Managers.Levels.Data;
using BriarQueen.Game.Items.Environment.ChapterOne.VillageStreet;
using BriarQueen.Game.Items.HoverZones;
using Cysharp.Threading.Tasks;
using UnityEngine;
using UnityEngine.UI;

namespace BriarQueen.Game.Levels.ChapterOne.VillageStreet
{
    public class Street : BaseLevel
    {
        [Header("Level Setup")]
        [SerializeField]
        private Image _background;

        [SerializeField]
        private Sprite _vinesCutSprite;

        [SerializeField]
        private Sprite _gateOpenSprite;

        [Header("Zones")]
        [SerializeField]
        private StreetVines _vinesZone;
        [SerializeField]
        private InteractZone _plaqueZone;

        [SerializeField]
        private InteractZone _gateZone;


        protected override UniTask PostLoadInternal()
        {
            bool gateOpen = SaveManager.GetLevelFlag(LevelFlag.StreetGateOpen);
            bool vinesCut = SaveManager.GetLevelFlag(LevelFlag.StreetVinesCut) || gateOpen;

            if (gateOpen)
            {
                _background.sprite = _gateOpenSprite;
            }
            else if (vinesCut)
            {
                _background.sprite = _vinesCutSprite;
            }

            ApplyZones(vinesCut, gateOpen);
            return UniTask.CompletedTask;
        }

        public async UniTask CutVines()
        {
            EventCoordinator.Publish(new DisplayInteractEvent(InteractEventIDs.Get(EnvironmentInteractKey.UsingKnife)));
            await UniTask.Delay(TimeSpan.FromSeconds(1));
            EventCoordinator.Publish(new FadeEvent(false, 0.8f));
            await UniTask.Delay(TimeSpan.FromSeconds(0.8f));
            
            _background.sprite = _vinesCutSprite;
            SetZoneState(_plaqueZone, true);
            
            SaveManager.SetLevelFlag(LevelFlag.StreetVinesCut, true);
            EventCoordinator.Publish(new FadeEvent(true, 0.8f));
        }

        private void ApplyZones(bool vinesCut, bool gateOpen)
        {
            SetZoneState(_plaqueZone, vinesCut);
            SetZoneState(_gateZone, gateOpen);
            
            if(vinesCut)
                DeactivateVines();
        }

        private void SetZoneState(InteractZone zone, bool active)
        {
            if (zone == null || zone.CanvasGroup == null)
                return;

            zone.CanvasGroup.alpha = active ? 1 : 0;
            zone.CanvasGroup.blocksRaycasts = active;
            zone.CanvasGroup.interactable = active;
        }

        private void DeactivateVines()
        {
            var canvasGroup = _vinesZone.CanvasGroup;

            if (!canvasGroup)
                return;
            
            canvasGroup.alpha = 0;
            canvasGroup.blocksRaycasts = false;
            canvasGroup.interactable = false;
        }
    }
}