using Kryz.CharacterStats.Examples;
using System.Collections;
using System.Collections.Generic;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

public class CraftingUI : MonoBehaviour
{
    public GameObject craftingUI;

    [Header("Components:")]
    [SerializeField] private Button craftButton;
    [SerializeField] private TMP_Text itemSlotName;
    [SerializeField] private TMP_Text stoneSlotName;
    [SerializeField] private TMP_Text added_Total_UniqueStats;
    [SerializeField] private GameObject maxUniqueStatsExceededText;
    [Header("Stone Texts:")]
    [SerializeField] private StatElement flat_atk;
    [SerializeField] private StatElement flat_spell;
    [SerializeField] private StatElement flat_critchance;
    [SerializeField] private StatElement flat_critdamage;
    [SerializeField] private StatElement percent_atk;
    [SerializeField] private StatElement percent_spell;
    [SerializeField] private StatElement percent_critchance;
    [SerializeField] private StatElement percent_critdamage;
    [SerializeField] private StatElement flat_health;
    [SerializeField] private StatElement flat_armor;
    [SerializeField] private StatElement flat_magicresistance;
    [SerializeField] private StatElement percent_health;
    [SerializeField] private StatElement percent_armor;
    [SerializeField] private StatElement percent_magicresistance;
    [Space]
    [Header("Events:")]
    [SerializeField] private GameEvent onCraftingUIClosed;
    [SerializeField] private GameEvent onVendorReleased;
    [SerializeField] private GameEvent onItemCraftSuccess;
    [SerializeField] private GameEvent onItemCraftFailed;
    [Header("Listeners:")]
    [SerializeField] private GameEventListener onCraftingAnvilInteracted;
    [SerializeField] private GameEventListener onCraftingAnvilReleased;

    [Header("Runtime:")]
    public EquippableItemInstance currentlySelectedCraftingItem;

    public CraftingSlot craftingSlot;

    public CraftingStatStone currentlySelectedCraftingStatStone;

    public CraftingStoneSlot craftingStoneSlot;

    private void Awake()
    {
        onCraftingAnvilInteracted.Response.AddListener(OpenCrafting);

        onCraftingAnvilReleased.Response.AddListener(CloseCrafting);

        Inventory.Instance.OnItemRightClickedEventWhileCrafting.AddListener(AddToCrafting);

        craftingSlot.OnRightClickEvent.AddListener(RemoveFromCrafting);

        craftingStoneSlot.OnRightClickEvent.AddListener(RemoveFromStoneSlot);

        craftButton.onClick.AddListener(PerformCraft);

        InitializeCraftingUI();

        craftingUI.SetActive(false);
    }

    private void InitializeCraftingUI()
    {
        if (currentlySelectedCraftingItem == null || string.IsNullOrEmpty(currentlySelectedCraftingItem.ItemName))
        {
            itemSlotName.text = "Add a Modular Item to craft on";
        }
        else
        {
            itemSlotName.text = currentlySelectedCraftingItem.ItemName;
        }
        if(currentlySelectedCraftingStatStone == null || string.IsNullOrEmpty(currentlySelectedCraftingStatStone.ItemName))
        {
            stoneSlotName.text = "Add a Crafting Stat Stone to use";
        }
        else
        {
            stoneSlotName.text = currentlySelectedCraftingStatStone.ItemName;
        }

        if (craftingStoneSlot.Item != currentlySelectedCraftingStatStone && currentlySelectedCraftingStatStone != null)
        {
            craftingStoneSlot.Item = currentlySelectedCraftingStatStone;
            stoneSlotName.text = currentlySelectedCraftingStatStone.ItemName;
        }
        //Add currently selected crafting item to the crafting item slot if not already present
        if (craftingSlot.Item != currentlySelectedCraftingItem && currentlySelectedCraftingItem != null)
        {
            craftingSlot.Item = currentlySelectedCraftingItem;
            itemSlotName.text = currentlySelectedCraftingItem.ItemName;
        }

        UpdateStatTexts();

        ToggleCraftButtonInteractable();
    }

    private void ToggleCraftButtonInteractable()
    {
        craftButton.interactable = craftingSlot.Item != null && !string.IsNullOrEmpty(craftingSlot.Item.ItemName) && craftingStoneSlot.Item != null && !string.IsNullOrEmpty(craftingStoneSlot.Item.ItemName);

        if (craftingSlot.Item == null || string.IsNullOrEmpty(craftingSlot.Item.ItemName) || craftingStoneSlot.Item == null || string.IsNullOrEmpty(craftingStoneSlot.Item.ItemName)) return;

        craftButton.interactable = currentlySelectedCraftingItem.CanAddCraftingStone(currentlySelectedCraftingStatStone);
    }

    public void OpenCrafting()
    {
        InitializeCraftingUI();

        UpdateStatTexts();

        craftingUI.SetActive(true);

        Inventory.Instance.isVendoring = false;
        Inventory.Instance.isCrafting = true;
        Inventory.Instance.OpenInventory();
        //Close remaining vendors in case there is one open to avoid conflicts
        onVendorReleased.Raise();

        ToggleCraftButtonInteractable();
    }

    public void CloseCrafting()
    {
        craftingUI.SetActive(false);

        Inventory.Instance.isCrafting = false;
        Inventory.Instance.CloseInventory();

        onCraftingUIClosed.Raise();
    }

    public void PerformCraft()
    {
        if (craftingSlot.Item == null || string.IsNullOrEmpty(craftingSlot.Item.ItemName) || craftingStoneSlot.Item == null || string.IsNullOrEmpty(craftingStoneSlot.Item.ItemName)) return;

        EquippableItemInstance modularItem = craftingSlot.Item as EquippableItemInstance;
        CraftingStatStone stone = craftingStoneSlot.Item as CraftingStatStone;

        if (modularItem.TryAddCraftingStone(stone))
        {
            craftingStoneSlot.Item = null;
            currentlySelectedCraftingStatStone = null;
            InitializeCraftingUI();
            onItemCraftSuccess.Raise();
        }
        else
        {
            onItemCraftFailed.Raise();
        }

        ToggleCraftButtonInteractable();
    }

    private void AddToCrafting(ItemInstance item)
    {
        if (item is CraftingStatStone craftingStone)
        {
            SlotCraftingStone(craftingStone);
        }
        else if (item is EquippableItemInstance equippable)
        {
            if (equippable.CraftableBase)
                SlotItem(equippable);
        }

        ToggleCraftButtonInteractable();
    }
    private void RemoveFromCrafting(ItemInstance item)
    {
        if (!Inventory.Instance.IsFull())
        {
            Inventory.Instance.AddItem(item);
            currentlySelectedCraftingItem = null;
            craftingSlot.Item = null;
            InitializeCraftingUI();
        }
    }
    private void RemoveFromStoneSlot(ItemInstance item)
    {
        if (!Inventory.Instance.IsFull())
        {
            Inventory.Instance.AddItem(item);
            currentlySelectedCraftingStatStone = null;
            craftingStoneSlot.Item = null;
            InitializeCraftingUI();
        }
    }

    public void SlotCraftingStone(CraftingStatStone stone)
    {
        if (Inventory.Instance.RemoveItem(stone))
        {
            ItemTooltip.Instance.HideTooltip();
            EquippedItemTooltip.Instance.HideTooltip();

            CraftingStatStone previousItem;
            if (AddStone(stone, out previousItem))
            {
                if (previousItem != null && !string.IsNullOrEmpty(previousItem.ItemName))
                {
                    Inventory.Instance.AddItem(previousItem);
                    //previousItem.Unequip(this);
                    //statPanel.UpdateStatValues();
                }
            }
            else
            {
                Inventory.Instance.AddItem(stone);
            }
        }
    }
    public void SlotItem(EquippableItemInstance item)
    {
        if (Inventory.Instance.RemoveItem(item))
        {
            ItemTooltip.Instance.HideTooltip();
            EquippedItemTooltip.Instance.HideTooltip();

            EquippableItemInstance previousItem;
            if (AddItem(item, out previousItem))
            {
                if (previousItem != null && !string.IsNullOrEmpty(previousItem.ItemName))
                {
                    Inventory.Instance.AddItem(previousItem);
                    //previousItem.Unequip(this);
                    //statPanel.UpdateStatValues();
                }
            }
            else
            {
                Inventory.Instance.AddItem(item);
            }
        }
    }

    public bool AddItem(EquippableItemInstance item, out EquippableItemInstance previousItem)
    {
        previousItem = currentlySelectedCraftingItem;
        currentlySelectedCraftingItem = item;
        craftingSlot.Item = currentlySelectedCraftingItem;
        itemSlotName.text = currentlySelectedCraftingItem.ItemName;

        UpdateStatTexts();
        //PlayerDataHandler.Instance.SaveCharacterInventoryData(PlayerDataHandler.Instance.currentPlayerName.Value, PhotonNetwork.NickName, equipmentData); //TODO: SAVE Crafting Slot Data
        return true;
    }

    public bool AddStone(CraftingStatStone stone, out CraftingStatStone previousStone)
    {
        previousStone = currentlySelectedCraftingStatStone;
        currentlySelectedCraftingStatStone = stone;
        craftingStoneSlot.Item = currentlySelectedCraftingStatStone;
        stoneSlotName.text = currentlySelectedCraftingStatStone.ItemName;

        UpdateStatTexts();
        //PlayerDataHandler.Instance.SaveCharacterInventoryData(PlayerDataHandler.Instance.currentPlayerName.Value, PhotonNetwork.NickName, equipmentData); //TODO: SAVE Crafting Slot Data
        return true;
    }

    List<string> stoneStatsList = new List<string>();
    private void UpdateStatTexts()
    {
        flat_atk.gameObject.SetActive(false);
        flat_spell.gameObject.SetActive(false);
        flat_critchance.gameObject.SetActive(false);
        flat_critdamage.gameObject.SetActive(false);
        percent_atk.gameObject.SetActive(false);
        percent_spell.gameObject.SetActive(false);
        percent_critchance.gameObject.SetActive(false);
        percent_critdamage.gameObject.SetActive(false);
        flat_health.gameObject.SetActive(false);
        flat_armor.gameObject.SetActive(false);
        flat_magicresistance.gameObject.SetActive(false);
        percent_health.gameObject.SetActive(false);
        percent_armor.gameObject.SetActive(false);
        percent_magicresistance.gameObject.SetActive(false);

        added_Total_UniqueStats.text = "";

        if (currentlySelectedCraftingItem == null || string.IsNullOrEmpty(currentlySelectedCraftingItem.ItemName)) return;

        added_Total_UniqueStats.text = "Total Unique Stats Added through crafting: " + (currentlySelectedCraftingItem).AddedStoneStats.Count.ToString() + " / " + (currentlySelectedCraftingItem).MaxTotalUniqueStatsIncreasedByStones.ToString();


        for (int i = 0; i < ((EquippableItemInstance)currentlySelectedCraftingItem).AddedStoneStats.Count; i++)
        {
            switch (((EquippableItemInstance)currentlySelectedCraftingItem).AddedStoneStats[i])
            {
                case "AttackDamageBonus":
                    {
                        flat_atk.gameObject.SetActive(true);
                        flat_atk.statValue.text = "+";
                    }
                    break;
                case "SpellDamageBonus":
                    {
                        flat_spell.gameObject.SetActive(true);
                        flat_spell.statValue.text = "+";
                    }
                    break;
                case "CritChanceBonus":
                    {
                        flat_critchance.gameObject.SetActive(true);
                        flat_critchance.statValue.text = "+";
                    }
                    break;
                case "CritDamageBonus":
                    {
                        flat_critdamage.gameObject.SetActive(true);
                        flat_critdamage.statValue.text = "+";
                    }
                    break;
                case "MaxHealthBonus":
                    {
                        flat_health.gameObject.SetActive(true);
                        flat_health.statValue.text = "+";
                    }
                    break;
                case "ArmorBonus":
                    {
                        flat_armor.gameObject.SetActive(true);
                        flat_armor.statValue.text = "+";
                    }
                    break;
                case "MagicResistanceBonus":
                    {
                        flat_magicresistance.gameObject.SetActive(true);
                        flat_magicresistance.statValue.text = "+";
                    }
                    break;

                case "AttackDamagePercentBonus":
                    {
                        percent_atk.gameObject.SetActive(true);
                        percent_atk.statValue.text = "+";
                    }
                    break;
                case "SpellDamagePercentBonus":
                    {
                        percent_spell.gameObject.SetActive(true);
                        percent_spell.statValue.text = "+";
                    }
                    break;
                case "CritChancePercentBonus":
                    {
                        percent_critchance.gameObject.SetActive(true);
                        percent_critchance.statValue.text = "+";
                    }
                    break;
                case "CritDamagePercentBonus":
                    {
                        percent_critdamage.gameObject.SetActive(true);
                        percent_critdamage.statValue.text = "+";
                    }
                    break;
                case "MaxHealthPercentBonus":
                    {
                        percent_health.gameObject.SetActive(true);
                        percent_health.statValue.text = "+";
                    }
                    break;
                case "ArmorPercentBonus":
                    {
                        percent_armor.gameObject.SetActive(true);
                        percent_armor.statValue.text = "+";
                    }
                    break;
                case "MagicResistancePercentBonus":
                    {
                        percent_magicresistance.gameObject.SetActive(true);
                        percent_magicresistance.statValue.text = "+";
                    }
                    break;

                default:
                    break;
            }
        }

        if (currentlySelectedCraftingStatStone == null || string.IsNullOrEmpty(currentlySelectedCraftingStatStone.ItemName)) return;

        stoneStatsList = currentlySelectedCraftingStatStone.GetNonZeroStats();

        maxUniqueStatsExceededText.SetActive(!currentlySelectedCraftingItem.CanAddCraftingStone(currentlySelectedCraftingStatStone));
  
        for (int i = 0; i < stoneStatsList.Count; i++)
        {
            switch (stoneStatsList[i])
            {
                case "AttackDamageBonus":
                    {
                        flat_atk.gameObject.SetActive(true);
                        flat_atk.statValue.text = "+" + currentlySelectedCraftingStatStone.AttackDamageBonus;
                    }
                    break;
                case "SpellDamageBonus":
                    {
                        flat_spell.gameObject.SetActive(true);
                        flat_spell.statValue.text = "+" + currentlySelectedCraftingStatStone.SpellDamageBonus;
                    }
                    break;
                case "CritChanceBonus":
                    {
                        flat_critchance.gameObject.SetActive(true);
                        flat_critchance.statValue.text = "+" + currentlySelectedCraftingStatStone.CritChanceBonus;
                    }
                    break;
                case "CritDamageBonus":
                    {
                        flat_critdamage.gameObject.SetActive(true);
                        flat_critdamage.statValue.text = "+" + currentlySelectedCraftingStatStone.CritDamageBonus;
                    }
                    break;
                case "MaxHealthBonus":
                    {
                        flat_health.gameObject.SetActive(true);
                        flat_health.statValue.text = "+" + currentlySelectedCraftingStatStone.MaxHealthBonus;
                    }
                    break;
                case "ArmorBonus":
                    {
                        flat_armor.gameObject.SetActive(true);
                        flat_armor.statValue.text = "+" + currentlySelectedCraftingStatStone.ArmorBonus;
                    }
                    break;
                case "MagicResistanceBonus":
                    {
                        flat_magicresistance.gameObject.SetActive(true);
                        flat_magicresistance.statValue.text = "+" + currentlySelectedCraftingStatStone.MagicResistanceBonus;
                    }
                    break;

                case "AttackDamagePercentBonus":
                    {
                        percent_atk.gameObject.SetActive(true);
                        percent_atk.statValue.text = "+" + currentlySelectedCraftingStatStone.AttackDamagePercentBonus;
                    }
                    break;
                case "SpellDamagePercentBonus":
                    {
                        percent_spell.gameObject.SetActive(true);
                        percent_spell.statValue.text = "+" + currentlySelectedCraftingStatStone.SpellDamagePercentBonus;
                    }
                    break;
                case "CritChancePercentBonus":
                    {
                        percent_critchance.gameObject.SetActive(true);
                        percent_critchance.statValue.text = "+" + currentlySelectedCraftingStatStone.CritChancePercentBonus;
                    }
                    break;
                case "CritDamagePercentBonus":
                    {
                        percent_critdamage.gameObject.SetActive(true);
                        percent_critdamage.statValue.text = "+" + currentlySelectedCraftingStatStone.CritDamagePercentBonus;
                    }
                    break;
                case "MaxHealthPercentBonus":
                    {
                        percent_health.gameObject.SetActive(true);
                        percent_health.statValue.text = "+" + currentlySelectedCraftingStatStone.MaxHealthPercentBonus;
                    }
                    break;
                case "ArmorPercentBonus":
                    {
                        percent_armor.gameObject.SetActive(true);
                        percent_armor.statValue.text = "+" + currentlySelectedCraftingStatStone.ArmorPercentBonus;
                    }
                    break;
                case "MagicResistancePercentBonus":
                    {
                        percent_magicresistance.gameObject.SetActive(true);
                        percent_magicresistance.statValue.text = "+" + currentlySelectedCraftingStatStone.MagicResistancePercentBonus;
                    }
                    break;

                default:
                    break;
            }
        }
    }


}