using BrewMonster.Network;
using BrewMonster.Scripts.Managers;
using BrewMonster.Scripts.Task;
using BrewMonster.UI;
using CSNetwork;
using ModelRenderer.Scripts.Common;
using PerfectWorld.Scripts.Managers;
using PerfectWorld.Scripts.Task;
using System;
using System.Collections.Generic;
using System.Text;
using BrewMonster.Scripts;
using TMPro;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;

namespace BrewMonster
{
    public class DlgInstall : AUIDialog
    {
        [Header("Slot First")]
        [SerializeField] private Transform m_SlotFirstParent;
        [SerializeField] private TextMeshProUGUI m_TxtFirstName;

        [Header("Slot Second")]
        [SerializeField] private Transform m_SlotSecondlParent;
        [SerializeField] private TextMeshProUGUI m_TxtSecondName;

        [Header("Buttons and Money")]
        [SerializeField] private TextMeshProUGUI m_TxtMoney;
        [SerializeField] private Button m_BtnMerge;
        [SerializeField] private Button m_BtnCancel;

        [SerializeField] private Sprite khung_item;

        private EC_IvtrItem m_SelectedEquip;
        private EC_IvtrItem m_SelectedMaterial;

        private int m_FirstInvSlot = -1;
        private int m_SecondInvSlot = -1;
        private int m_install_price = -1;

        public override void Awake()
        {
            base.Awake();
            RegisterDrop(m_SlotFirstParent, OnDropEquip);
            RegisterDrop(m_SlotSecondlParent, OnDropMaterial);
            RegisterClick(m_SlotFirstParent, OnClickEquipSlot);
            RegisterClick(m_SlotSecondlParent, OnClickMaterialSlot);
        }

        public override void OnEnable()
        {
            base.OnEnable();
            //todo need to set from other class
            // SetName("Win_Enchase");
            m_BtnMerge.onClick.AddListener(OnClickedMerge);
            m_install_price = -1;
        }

        public override void OnDisable()
        {
            base.OnDisable();
            m_BtnMerge.onClick.RemoveListener(OnClickedMerge);
        }

        public void OpenInstall(uint npcId)
        {
            
        }

        public void CloseInstall()
        {
            gameObject.SetActive(false);
            RestoreInventoryColors();
        }

        private void RestoreInventoryColors()
        {
            var canvas = FindFirstObjectByType<Canvas>();
            if (canvas == null)
                return;

            if (m_FirstInvSlot >= 0)
            {
                var btn = FindInventoryButtonBySlot(m_FirstInvSlot);
                SetInventorySlotGray(btn, false);
                m_FirstInvSlot = -1;
            }

            if (m_SecondInvSlot >= 0)
            {
                var btn = FindInventoryButtonBySlot(m_SecondInvSlot);
                SetInventorySlotGray(btn, false);
                m_SecondInvSlot = -1;
            }
        }

        private Button FindInventoryButtonBySlot(int slot)
        {
            var inventoryUI = FindFirstObjectByType<EC_InventoryUI>();
            if (inventoryUI == null)
                return null;

            var field = typeof(EC_InventoryUI)
                .GetField("inventoryPackButtons", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);

            if (field == null)
                return null;

            var list = field.GetValue(inventoryUI) as List<Button>;
            if (list == null || slot < 0 || slot >= list.Count)
                return null;

            return list[slot];
        }
        
        private void RegisterDrop(Transform target, Action<PointerEventData> callback)
        {
            var trigger = target.GetComponent<EventTrigger>();
            if (trigger == null)
                trigger = target.gameObject.AddComponent<EventTrigger>();

            trigger.triggers.Clear();

            var entry = new EventTrigger.Entry
            {
                eventID = EventTriggerType.Drop
            };
            entry.callback.AddListener((data) =>
            {
                callback((PointerEventData)data);
            });

            trigger.triggers.Add(entry);
        }

        private void RegisterClick(Transform target, Action<PointerEventData> callback)
        {
            var trigger = target.GetComponent<EventTrigger>();
            if (trigger == null)
                trigger = target.gameObject.AddComponent<EventTrigger>();

            var entry = new EventTrigger.Entry
            {
                eventID = EventTriggerType.PointerClick
            };
            entry.callback.AddListener((data) =>
            {
                callback((PointerEventData)data);
            });

            trigger.triggers.Add(entry);
        }

        private void OnClickEquipSlot(PointerEventData eventData)
        {
            if (m_SelectedEquip != null)
            {
                ReturnItemToInventory(m_FirstInvSlot);
                ClearEquipSlot();
            }
        }

        private void OnClickMaterialSlot(PointerEventData eventData)
        {
            if (m_SelectedMaterial != null)
            {
                ReturnItemToInventory(m_SecondInvSlot);
                ClearMaterialSlot();
            }
        }
        
        private EC_IvtrItem GetItemFromDrag(PointerEventData eventData)
        {
            if (eventData.pointerDrag == null)
                return null;

            var btn = eventData.pointerDrag.GetComponent<Button>();
            if (btn == null)
                return null;

            // Slot index
            int slotIndex = btn.transform.GetSiblingIndex();

            // Inventory package = 0
            var host = CECGameRun.Instance?.GetHostPlayer();
            if (host == null)
                return null;

            var inv = host.GetInventory(0);
            if (inv == null)
                return null;

            return inv.GetItem(slotIndex, false);
        }

        private void OnDropEquip(PointerEventData eventData)
        {
            if (eventData.pointerDrag == null)
                return;

            var btn = eventData.pointerDrag.GetComponent<Button>();
            if (btn == null)
                return;

            int slotIndex = btn.transform.GetSiblingIndex();

            var item = GetItemFromDrag(eventData);
            if (item == null)
                return;

            EC_IvtrItem detailedItem = EC_IvtrItem.CreateItem(item.m_tid, item.m_expire_date, item.m_iCount);
            if (item.Content != null && item.Content.Length > 0)
                detailedItem.SetItemInfo(item.Content, item.Content.Length);
            else
                detailedItem.GetDetailDataFromLocal();

            m_SelectedEquip?.Freeze(false);
            m_SelectedEquip = detailedItem;
            m_FirstInvSlot = slotIndex;

            m_TxtFirstName.text = detailedItem.GetName();
            SetSlotIcon(m_SlotFirstParent, detailedItem);

            SetInventorySlotGray(btn, true);
            
            detailedItem.Freeze(true);

            Debug.Log($"[Install] Equipment: {detailedItem.m_tid} from slot {slotIndex}");
        }
        
        private void OnDropMaterial(PointerEventData eventData)
        {
            if (eventData.pointerDrag == null)
                return;

            var btn = eventData.pointerDrag.GetComponent<Button>();
            if (btn == null)
                return;

            int slotIndex = btn.transform.GetSiblingIndex();

            var item = GetItemFromDrag(eventData);
            if (item == null)
                return;

            EC_IvtrItem detailedItem = EC_IvtrItem.CreateItem(item.m_tid, item.m_expire_date, item.m_iCount);
            if (item.Content != null && item.Content.Length > 0)
                detailedItem.SetItemInfo(item.Content, item.Content.Length);
            else
                detailedItem.GetDetailDataFromLocal();

            m_SelectedMaterial?.Freeze(false);
            m_SelectedMaterial = detailedItem;
            m_SelectedMaterial?.Freeze(true);
            m_SecondInvSlot = slotIndex;

            m_TxtSecondName.text = detailedItem.GetName();
            SetSlotIcon(m_SlotSecondlParent, detailedItem);

            SetInventorySlotGray(btn, true);
            
            // GetGameUIMan().PlayItemSound(pIvtrSrc, true);
            EC_IvtrStone pStone = null;
            STONE_ESSENCE pEssence;
            // ACHAR szText[40] = _AL("0");

            //check if material is stone and show price to merge
            if(m_SelectedMaterial.GetClassID() == (int)EC_IvtrEquip.EQUIP_CLASS_ID.ICID_STONE)
            {
                pStone = (EC_IvtrStone)m_SelectedMaterial;
                pEssence = pStone.GetDBEssence();
                m_TxtMoney.text = $"{pEssence.install_price}";
                // a_sprintf(szText, _AL("%d"), pEssence->install_price);
                // m_pTxtGold->SetText(szText);
            }
            // else if( 0 == stricmp(this->GetName(), "Win_Disenchase")
            //          && pIvtrSrc->IsEquipment() )
            // {
            //     a_LogOutput(1, "[Dat Embed] OnItemDragDrop stricmp(this->GetName(), Win_Disenchase");
            //     int i, nAmount = 0, idItem;
            //     CECIvtrEquip *pEquip = (CECIvtrEquip *)pIvtrSrc;
            //
            //     for( i = 0; i < pEquip->GetHoleNum(); i++ )
            //     {
            //         idItem = pEquip->GetHoleItem(i);
            //         if( idItem <= 0 ) continue;
            //
            //         pStone = (CECIvtrStone *)CECIvtrItem::CreateItem(idItem, 0, 1);
            //         pEssence = (STONE_ESSENCE *)pStone->GetDBEssence();
            //         nAmount += pEssence->uninstall_price;
            //         delete pStone;
            //     }
            //
            //     a_sprintf(szText, _AL("%d"), nAmount);
            //     m_pTxtGold->SetText(szText);
            // }

            Debug.Log($"[Install] Material: {detailedItem.m_tid} from slot {slotIndex}");
        }

        private void SetInventorySlotGray(Button btn, bool gray)
        {
            if (btn == null)
                return;

            var img = btn.GetComponent<Image>();
            if (img == null)
                return;

            img.color = gray
                ? new Color(0.3f, 0.3f, 0.3f, 1f)
                : Color.white;
        }

        private void SetSlotIcon(Transform slot, EC_IvtrItem item)
        {
            if (slot == null || item == null)
                return;

            var img = slot.GetComponentInChildren<Image>(true);
            if (img == null)
                return;

            img.sprite = EC_IvtrItemUtils.Instance.ResolveItemIconSprite(item.m_tid);
            img.enabled = img.sprite != null;

            img.color = Color.white;
            img.SetNativeSize();
        }

        private void ReturnItemToInventory(int slotIndex)
        {
            if (slotIndex < 0)
                return;

            var btn = FindInventoryButtonBySlot(slotIndex);
            SetInventorySlotGray(btn, false);
        }

        private void ClearEquipSlot()
        {
            m_SelectedEquip?.Freeze(false);
            m_SelectedMaterial?.Freeze(false);
            m_SelectedEquip = null;
            m_FirstInvSlot = -1;
            m_TxtFirstName.text = "___";
            ClearSlotIcon(m_SlotFirstParent);

            Debug.Log("[Install] Equipment slot cleared");
        }

        private void ClearMaterialSlot()
        {
            m_SelectedMaterial = null;
            m_SecondInvSlot = -1;
            m_TxtSecondName.text = "___";
            ClearSlotIcon(m_SlotSecondlParent);

            Debug.Log("[Install] Material slot cleared");
        }

        private void ClearSlotIcon(Transform slot)
        {
            if (slot == null)
                return;

            var img = slot.GetComponentInChildren<Image>(true);
            if (img == null)
                return;

            img.sprite = khung_item;
        }
        private void OnClickedMerge()
        {
            // PAUIDIALOG pMsgBox;
            CECHostPlayer pHost = GetHostPlayer();
            
            // if( !m_pItema->GetDataPtr("ptr_CECIvtrItem") ) return;
            string message = "";
            
            int nMoney = m_install_price;
            if( nMoney > pHost.GetMoneyAmount() )
            {
                message = GetGameUIMan().GetStringFromTable(226);
                Debug.LogError(message);
	            // GetGameUIMan()->MessageBox("", GetGameUIMan().GetStringFromTable(226), MB_OK,
		           //  A3DCOLORRGBA(255, 255, 255, 160), &pMsgBox);
	            // pMsgBox->SetLife(3);
	            return;
            }

            EC_IvtrItem pIvtrA = m_SelectedEquip;
            if( !pIvtrA.IsEquipment() )
            {
                message = GetGameUIMan().GetStringFromTable(223);
                Debug.LogError(message);
	            // GetGameUIMan().MessageBox("", GetGameUIMan().GetStringFromTable(223), MB_OK,
		           //  A3DCOLORRGBA(255, 255, 255, 160), &pMsgBox);
	            // pMsgBox.SetLife(3);
	            return;
            }
            
            EC_IvtrEquip pEquipA = (EC_IvtrEquip)pIvtrA;
            // a_LogOutput(1, "[Dat Embed] Send protocol here");
            // if( 0 == string.CompareOrdinal(GetName(), "Win_Enchase") )
            // {
	            if( pEquipA.GetEmptyHoleNum() <= 0 )
	            {
                    message = GetGameUIMan().GetStringFromTable(224);
                    Debug.LogError(message);
		            // GetGameUIMan().MessageBox("", GetGameUIMan()->GetStringFromTable(224), MB_OK,
			           //  A3DCOLORRGBA(255, 255, 255, 160), &pMsgBox);
		            // pMsgBox.SetLife(3);
		            return;
	            }
            
	            EC_IvtrItem pIvtrB = m_SelectedMaterial;
	            if(pIvtrB == null || !pIvtrB.IsEmbeddable() )
	            {
                    message = GetGameUIMan().GetStringFromTable(225);
                    Debug.LogError(message);
		            // GetGameUIMan().MessageBox("", GetGameUIMan().GetStringFromTable(225), MB_OK,
			           //  A3DCOLORRGBA(255, 255, 255, 160), &pMsgBox);
		            // pMsgBox.SetLife(3);
		            return;
	            }
	            
	            if( pIvtrB.GetClassID() != (int)EC_IvtrEquip.EQUIP_CLASS_ID.ICID_STONE)
		            return;
	            
	            int nStoneLevel = ((EC_IvtrStone)pIvtrB).GetDBEssence().level;
	            int nEquipLevel = -1;
	            switch( pEquipA.GetClassID() )
	            {
	            case (int)EC_IvtrEquip.EQUIP_CLASS_ID.ICID_WEAPON:
		            nEquipLevel = ((EC_IvtrWeapon)pEquipA).GetDBEssence().level;
		            break;
	            case (int)EC_IvtrEquip.EQUIP_CLASS_ID.ICID_ARMOR:
		            nEquipLevel = ((EC_IvtrArmor)pEquipA).GetDBEssence().level;
		            break;
	            case (int)EC_IvtrEquip.EQUIP_CLASS_ID.ICID_DECORATION:
		            nEquipLevel = ((EC_IvtrDecoration)pEquipA).GetDBEssence().level;
		            break;
	            }
            
	            if( nStoneLevel > nEquipLevel )
	            {
                    message = GetGameUIMan().GetStringFromTable(300);
                    Debug.LogError(message);
		            // GetGameUIMan().MessageBox("", GetGameUIMan().GetStringFromTable(300), MB_OK,
			           //  A3DCOLORRGBA(255, 255, 255, 160), &pMsgBox);
		            // pMsgBox.SetLife(3);
		            return;
	            }
	            //pr
                UnityGameSession.c2s_CmdNPCSevEmbed(
                    (ushort)m_SecondInvSlot, (ushort)m_FirstInvSlot,
		            pIvtrB.GetTemplateID(), pIvtrA.GetTemplateID());
	            // ClearEquipment();
	            // ClearStone();
	            pHost.GetPack(InventoryConst.IVTRTYPE_PACK).UnfreezeAllItems();
                
                message = GetGameUIMan().GetStringFromTable(228);
                Debug.LogError(message);
	            // GetGameUIMan().MessageBox("", GetGameUIMan().GetStringFromTable(228),
		           //  MB_OK, A3DCOLORRGBA(255, 255, 255, 160), &pMsgBox);
	            // pMsgBox.SetLife(3);
            // }
            // else if( 0 == stricmp(GetName(), "Win_Disenchase") )
            // {
	        //     a_LogOutput(1, "[Dat Embed] Win_Disenchase");
	        //     if( pEquipA->GetEmptyHoleNum() == pEquipA->GetHoleNum() )
	        //     {
		    //         GetGameUIMan()->MessageBox("", GetGameUIMan()->GetStringFromTable(227), MB_OK,
			//             A3DCOLORRGBA(255, 255, 255, 160), &pMsgBox);
		    //         pMsgBox->SetLife(3);
		    //         return;
	        //     }
            
	        //     GetGameUIMan()->MessageBox("Game_Disenchase", GetGameUIMan()->GetStringFromTable(229),
		    //         MB_OKCANCEL, A3DCOLORRGBA(255, 255, 255, 160));
            // }
        }
    }
}