using System;
using System.Collections.Generic;
using System.Reflection;
using System.IO;
using BrewMonster;
using ModelRenderer.Scripts.Common;
using ModelRenderer.Scripts.GameData;
using UnityEngine;
using PerfectWorld.Scripts.Managers;
using BrewMonster.Network;
using BrewMonster.Scripts.Managers;
using BrewMonster.Scripts;
using CSNetwork.GPDataType;
using System.Runtime.InteropServices;
using BrewMonster.Scripts.Pet;
namespace BrewMonster.Scripts
{
    public class EC_IvtrPetFood : EC_IvtrItem
    {

        protected PET_FOOD_ESSENCE	m_pDBEssence;
        /// <summary>
        /// Not create logic yet (add summary later)
        /// </summary>
        /// <param name="tid">Template id</param>
        /// <param name="expire_date">Expire date</param>
        public EC_IvtrPetFood(int tid, int expire_date) : base(tid, expire_date)
        {
            m_iCID	= (int)InventoryClassId.ICID_PETFOOD;

	//	Get database data
            elementdataman pDB = ElementDataManProvider.GetElementDataMan();
            DATA_TYPE DataType = DATA_TYPE.DT_INVALID;
            m_pDBEssence	= (PET_FOOD_ESSENCE)pDB.get_data_ptr((uint)tid, ID_SPACE.ID_SPACE_ESSENCE, ref DataType);
            m_iPileLimit	= m_pDBEssence.pile_num_max;
            m_iPrice		= m_pDBEssence.price;
            m_iShopPrice	= m_pDBEssence.shop_price;
            m_iProcType		= (int)m_pDBEssence.proc_type;
            m_i64EquipMask	= 0;
            m_bUseable		= true;
            m_bNeedUpdate	= false;
        }

        public EC_IvtrPetFood(EC_IvtrPetFood other) : base(other)
        {
            m_pDBEssence = other.m_pDBEssence;
        }
        public override bool SetItemInfo(byte[] pInfoData, int iDataLen)
        {
            base.SetItemInfo(pInfoData, iDataLen);
            return true;
        }

        //	Get item icon file name
        public override string GetIconFile()
        {
            return m_pDBEssence.FileIcon;
        }

        //	Get item name
        public override string GetName()
        {
            // Try Unicode first (for Vietnamese/wide char names), then fallback to CP936
            if (m_pDBEssence.name != null && m_pDBEssence.name.Length > 0)
            {
                string s = ByteToStringUtils.UshortArrayToUnicodeString(m_pDBEssence.name);
                if (!string.IsNullOrEmpty(s) && !string.IsNullOrWhiteSpace(s))
                    return s;
                // Fallback to legacy CP936 if Unicode was empty
                s = ByteToStringUtils.UshortArrayToCP936String(m_pDBEssence.name);
                if (!string.IsNullOrEmpty(s))
                    return s;
            }
            return base.GetName(); // Fallback to base class method
        }

//	Get item cool time
        public int GetCoolTime(ref int piMax)
        {
            CECHostPlayer pHost = EC_Game.GetGameRun().GetHostPlayer();
            if (!pHost)
                return 0;

            int iTime = pHost.GetCoolTime((int)CoolTimeIndex.GP_CT_FEED_PET, out piMax);
            return iTime;
        }

        //	Check item use condition
        public override bool CheckUseCondition()
        {
            CECPetData pPet = EC_Game.GetGameRun().GetHostPlayer().GetPetCorral().GetActivePet();
            if (pPet == null)
                return false;

            DATA_TYPE DataType = DATA_TYPE.DT_INVALID;
            
            object temp = ElementDataManProvider.GetElementDataMan().get_data_ptr((uint)pPet.GetTemplateID(), ID_SPACE.ID_SPACE_ESSENCE, ref DataType);

            if (temp == null)
                return false;
            PET_ESSENCE pPetEssence = (PET_ESSENCE)temp;

            return ((m_pDBEssence.food_type & pPetEssence.food_mask) != 0) ? true : false;
        }

        //	Get item description text
        protected override string GetNormalDesc(bool bRepair)
        {
            m_strDesc = "";        

            //	Try to build item description
            CECStringTab pDescTab = EC_Game.GetItemDesc();
            int white = (int)DescriptipionMsg.ITEMDESC_COL_WHITE;
            int namecol = DecideNameCol();

            //	Item name
            if (m_iCount > 1)
                AddDescText(namecol, true, pDescTab.GetWideString((int)DescriptipionMsg.ITEMDESC_NAMENUMBER), GetName(), m_iCount);
            else
                AddDescText(namecol, true, pDescTab.GetWideString((int)DescriptipionMsg.ITEMDESC_NAME), GetName());

            AddIDDescText();

            AddExpireTimeDesc();

            //	Food type
            for (int i=0; i < (int)PetFoodType.MAX_PET_FOOD; i++)    
            {
                if ((m_pDBEssence.food_type & (1 << i)) != 0)
                {
                    AddDescText(white, false, pDescTab.GetWideString((int)DescriptipionMsg.ITEMDESC_FOODTYPE));
                    m_strDesc += " ";
                    AddDescText(-1, true, pDescTab.GetWideString((int)DescriptipionMsg.ITEMDESC_FOOD_GRASS+i));
                    break;
                }
            }

            //	Price
            AddPriceDesc(white, bRepair);

            //	Extend description
            AddExtDescText();

            return m_strDesc;
        }

        //	Get drop model for shown
        public override string GetDropModel()
        {
            return m_pDBEssence.FileMatter;
        }
    }
}