using PashaBibko.Pacore.Attributes;
using System.Collections.Generic;
using System.Linq;
using Fruitomation.Game.Items;
using Fruitomation.Global;
using UnityEngine;

namespace Fruitomation.Game
{
    public class MixerBuilding : Building
    {
        private struct Recipe
        {
            public BasicUpgrade Requirement;
            public ItemType[] Ingredients;
            public ItemType Product;

            public Recipe(BasicUpgrade requirement, ItemType[] ingredients, ItemType product)
            {
                Requirement = requirement;
                Ingredients = ingredients;
                Product = product;
            }
        }

        private static Recipe[] Recipes =
        {
            new
            (
                BasicUpgrade.DriedFruitSelection,
                new[]
                {
                    ItemType.DriedAppleSlices,
                    ItemType.Raisins,
                    ItemType.DriedBananaSlices
                },
                ItemType.DriedFruitSelection
            ),

            new
            (
                BasicUpgrade.AppleMangoJuice,
                new[]
                {
                    ItemType.AppleJuice,
                    ItemType.MangoJuice
                },
                ItemType.AppleAndMangoJuice
            ),

            new
            (
                BasicUpgrade.SpicedBananaIceCream,
                new[]
                {
                    ItemType.BananaIceCream,
                    ItemType.DurainPowder
                },
                ItemType.SpicedBananaIceCream
            ),

            new
            (
                BasicUpgrade.ExoticFruitSelection,
                new[]
                {
                    ItemType.SlicedKiwi,
                    ItemType.MangoSlices,
                    ItemType.DurianSlices,
                    ItemType.BuddhasHandSlices
                },
                ItemType.ExoticFruitSelection
            ),

            new
            (
                BasicUpgrade.SpicedPitayaIceCream,
                new[]
                {
                    ItemType.PitayaIceCream,
                    ItemType.DurainPowder
                },
                ItemType.SpicedPitayaIceCream
            )
        };

        [Header("Mixer Specific")]
        [SerializeField] private RectTransform OutputLocation;
        [SerializeField] private TriggerDetector Trigger;

        [Header("Read Only")]
        [SerializeField, InspectorReadOnly] private int StoredItemCount;

        private readonly Dictionary<ItemType, int> StoredItems = new();
        
        private void Start()
        {
            Trigger.SetAction(other =>
            {
                bool isItem = other.transform.parent.TryGetComponent(out ItemBehaviour item);
                if (!isItem)
                {
                    return;
                }

                if (StoredItemCount < 50)
                {
                    ItemType type = item.CurrentType;
                    int typeCount = StoredItems.GetValueOrDefault(type);

                    if (typeCount < 5)
                    {
                        item.TriggerDestruction(false);
                        StoredItems[type] = typeCount + 1;
                        StoredItemCount++;
                    }
                    
                    else
                    {
                        item.transform.position = OutputLocation.position;
                        item.SendToTheGhostRealm();
                    }
                }

                else
                {
                    item.transform.position = OutputLocation.position;
                    item.SendToTheGhostRealm();
                }
                
            }, TriggerType.Enter);
        }

        private void Update()
        {
            if (!GameStateController.Is(GameState.Simulation))
            {
                StoredItems.Clear();
                return;
            }

            foreach (Recipe recipe in Recipes)
            {
                if (UpgradeManager.Is(recipe.Requirement))
                {
                    bool hasAllIngredients = recipe.Ingredients.Aggregate(true,
                        (current, ingredient)
                            => current && StoredItems.ContainsKey(ingredient)
                    );

                    if (hasAllIngredients)
                    {
                        foreach (ItemType ingredient in recipe.Ingredients)
                        {
                            int count = StoredItems[ingredient] - 1;
                            if (count <= 0)
                            {
                                StoredItems.Remove(ingredient);
                            }
                            else
                            {
                                StoredItems[ingredient] = count;
                            }
                        }

                        FruitSpawner.SpawnItem(recipe.Product, OutputLocation.position);
                    }
                }
            }
        }
    }
}