using System.Collections.Generic;
using System.Linq;
using Fruitomation.Game.Items;
using JetBrains.Annotations;
using UnityEngine.Scripting;
using Fruitomation.Global;
using UnityEngine;

namespace Fruitomation.Game
{
    public class PresserBuilding : Building
    {
        [Header("Presser Specific Buildings")]
        [SerializeField] private Animator PresserAnimator;
        [SerializeField] private Collider2D TopCollider;
        [SerializeField] private Collider2D BottomCollider;
        [SerializeField] private TriggerDetector EffectTrigger;
        
        private HashSet<GameObject> CurrentContainedObjects = new();
        
        private void Awake()
        {
            EffectTrigger.SetAction(other => CurrentContainedObjects.Add(other.gameObject),
                TriggerType.Enter
            );

            EffectTrigger.SetAction(other => CurrentContainedObjects.Remove(other.gameObject),
                TriggerType.Exit
            );
            
            EffectTrigger.SetAction(other =>
            {
                if (other.transform.parent.TryGetComponent(out Rigidbody2D body))
                {
                    body.AddForce(Vector3.down * 5f, ForceMode2D.Force);
                }
            }, TriggerType.Stay);
        }

        private void Update()
        {
            if (GameStateController.Is(GameState.Simulation))
            {
                if (PresserAnimator.speed == 0)
                {
                    PresserAnimator.Play(0, 0, 0f); // Play from beginning
                    PresserAnimator.speed = 0.2f; // Playing
                }
            }

            else
            {
                if (PresserAnimator.speed != 0)
                {
                    PresserAnimator.Play(0, 0, 0f); // Jump back to default frame
                    PresserAnimator.speed = 0; // Paused
                }
            }
        }

        [Preserve, UsedImplicitly] public void OpenTop() => TopCollider.enabled = false;
        [Preserve, UsedImplicitly] public void CloseTop() => TopCollider.enabled = true;
        [Preserve, UsedImplicitly] public void OpenBottom() => BottomCollider.enabled = false;
        [Preserve, UsedImplicitly] public void CloseBottom() => BottomCollider.enabled = true;

        [Preserve, UsedImplicitly] public void Press()
        {
            GameObject[] gameObjects = CurrentContainedObjects.ToArray();
            foreach (GameObject go in gameObjects)
            {
                bool isItem = go.transform.parent.TryGetComponent(out ItemBehaviour item);
                if (!isItem)
                {
                    return;
                }

                item.CurrentType = item.CurrentType switch
                {
                    ItemType.Apple => ItemType.AppleJuice,
                    ItemType.Grape => ItemType.GrapeJuice,
                    ItemType.Kiwi => ItemType.KiwiJuice,
                    ItemType.PitayaSkin => ItemType.PitayaFoodDye,
                    
                    var _ => item.CurrentType // Default
                };
            }
        }
    }
}