using System;
using System.Collections.Generic;
using System.Linq;
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;
namespace BrewMonster.Scripts
{
    /// <summary>
    /// Skill tome item class(sach ky nang). This is a part of CEC_IvtrScroll(C++)
    /// </summary>
    public class EC_IvtrSkilltome : EC_IvtrItem
    {

        protected SKILLTOME_ESSENCE	m_pDBEssence;
        protected SKILLTOME_SUB_TYPE m_pDBSubType;
        /// <summary>
        /// Create skill tome item(sach ky nang)
        /// </summary>
        /// <param name="tid">Template id</param>
        /// <param name="expire_date">Expire date</param>
        public EC_IvtrSkilltome(int tid, int expire_date) : base(tid, expire_date)
        {
            m_iCID	= (int)InventoryClassId.ICID_SKILLTOME;

	//	Get database data
            elementdataman pDB = ElementDataManProvider.GetElementDataMan();
            DATA_TYPE DataType = DATA_TYPE.DT_INVALID;
            m_pDBEssence = (SKILLTOME_ESSENCE)pDB.get_data_ptr((uint)tid, ID_SPACE.ID_SPACE_ESSENCE, ref DataType);
            m_pDBSubType = (SKILLTOME_SUB_TYPE)pDB.get_data_ptr(m_pDBEssence.id_sub_type, 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_bNeedUpdate = false;
        }

        /// <summary>
        /// Copy constructor for skill tome item(sach ky nang)
        /// </summary>
        /// <param name="other">Other skill tome item</param>
        public EC_IvtrSkilltome(EC_IvtrSkilltome other) : base(other)
        {
            m_pDBEssence	= other.m_pDBEssence;
            m_pDBSubType	= other.m_pDBSubType;
        }

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

        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
        }

        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();

            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();

            //	Price
            AddPriceDesc(white, bRepair);

            //	Extend description
            AddExtDescText();

            return m_strDesc;
        }

        public override string GetDropModel()
        {
            return m_pDBEssence.FileMatter;
        }
    }
}