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

namespace Fruitomation.Game
{
    public class PresserBuilding : Building
    {
        [Header("Presser Specific")]
        [SerializeField] private Animator PresserAnimator;
        [SerializeField] private Collider2D TopCollider;
        [SerializeField] private Collider2D BottomCollider;
        [SerializeField] private TriggerDetector EffectTrigger;
        
        private readonly 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;
                }

                switch (item.CurrentType)
                {
                    case ItemType.Apple:
                        item.CurrentType = UpgradeManager.Is(BasicUpgrade.AppleJuice)
                            ? ItemType.AppleJuice
                            : ItemType.Apple;
                        break;

                    case ItemType.Grape:
                        item.CurrentType = UpgradeManager.Is(BasicUpgrade.GrapeJuice)
                            ? ItemType.GrapeJuice
                            : ItemType.Grape;
                        break;

                    case ItemType.BananaSkin:
                        item.CurrentType = UpgradeManager.Is(BasicUpgrade.BananaBacon)
                            ? ItemType.BananaBacon
                            : ItemType.BananaSkin;
                        break;

                    case ItemType.Kiwi:
                        item.CurrentType = UpgradeManager.Is(BasicUpgrade.KiwiPresser) // BYPRODUCT NEEDED
                            ? ItemType.KiwiJuice
                            : ItemType.Kiwi;
                        FruitSpawner.SpawnItem(ItemType.KiwiSeeds, transform.position);
                        break;

                    case ItemType.Mango:
                        item.CurrentType = UpgradeManager.Is(BasicUpgrade.MangoJuice)
                            ? ItemType.MangoJuice
                            : ItemType.Mango;
                        break;

                    case ItemType.PitayaSkin:
                        item.CurrentType = UpgradeManager.Is(BasicUpgrade.PitayaFoodDye)
                            ? ItemType.PitayaFoodDye
                            : ItemType.PitayaSkin;
                        break;
                    
                    default:
                        item.CurrentType = item.CurrentType;
                        break;
                }
            }
        }
    }
}