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;
namespace BrewMonster.Scripts
{
    /// <summary>
    /// Arrow item class (cac loai mui ten)
    /// </summary>
    public class CECIvtrArrow : EC_IvtrEquip
    {
        protected IVTR_ESSENCE_ARROW m_Essence;	//	Arrow essence data

        //	Data in database
        protected PROJECTILE_TYPE m_pDBType;
        protected PROJECTILE_ESSENCE m_pDBEssence;
        /// <summary>
        /// Arrow item class (cac loai mui ten)
        /// </summary>
        /// <param name="tid">Template id</param>
        /// <param name="expire_date">Expire date</param>
        public CECIvtrArrow(int tid, int expire_date) : base(tid, expire_date)
        {
            m_iCID = (int)InventoryClassId.ICID_ARROW;

            m_Essence = new IVTR_ESSENCE_ARROW();

            //	Get database data
            elementdataman pDB = ElementDataManProvider.GetElementDataMan();
            DATA_TYPE DataType = DATA_TYPE.DT_INVALID;
            m_pDBEssence = (PROJECTILE_ESSENCE)pDB.get_data_ptr((uint)tid, ID_SPACE.ID_SPACE_ESSENCE, ref DataType);
            m_pDBType = (PROJECTILE_TYPE)pDB.get_data_ptr((uint)m_pDBEssence.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 = EC_IvtrType.EQUIP_MASK64_PROJECTILE;
        }

        public CECIvtrArrow(CECIvtrArrow other) : base(other)
        {
            m_pDBType = other.m_pDBType;
            m_pDBEssence = other.m_pDBEssence;
            m_Essence = other.m_Essence;
        }

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

            if (pInfoData == null || iDataLen == 0)
                return true;

            try
            {
                CECDataReader dr = new CECDataReader(pInfoData, iDataLen);

                //	Skip equip requirements and endurance
                dr.Offset(5 * sizeof(int), CECDataReader.SEEK_CUR);

                int iEssenceSize = dr.ReadInt();
                //ASSERT(iEssenceSize == sizeof (IVTR_ESSENCE_ARROW));

                m_Essence = new IVTR_ESSENCE_ARROW(dr.ReadData(iEssenceSize));
            }
            catch (Exception e)
            {
                Debug.LogError("CECIvtrArrow::SetItemInfo, data read error (" + e.GetType() + e.StackTrace + ")");
                return false;
            }

            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
        }
        public IVTR_ESSENCE_ARROW GetEssence() { return m_Essence; }
        public PROJECTILE_TYPE GetDBSubType() { return m_pDBType; }

        //	Get item description text
        protected override string GetNormalDesc(bool bRepair)
        {
            if (m_bNeedUpdate)
                return "";

            //	Build addon and refine properties and save it
            m_strDesc = "";
            BuildAddOnPropDesc(null, null);
            string strAddon = m_strDesc;

            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();

            //	Weapon requirement
            AddDescText(white, true, pDescTab.GetWideString((int)DescriptipionMsg.ITEMDESC_WEAPONREQ), m_Essence.iWeaponReqLow,
                m_Essence.iWeaponReqHigh, m_pDBType.Name);

            //	Damage enhance
            if (m_pDBEssence.damage_enhance != 0)
            {
                AddDescText(-1, false, pDescTab.GetWideString((int)DescriptipionMsg.ITEMDESC_ADDPHYDAMAGE));
                AddDescText(-1, true, " %+d", m_pDBEssence.damage_enhance);
            }

            //	Add addon properties
            if (strAddon.Length > 0)
                m_strDesc += strAddon;

            //	Price
            AddPriceDesc(white, bRepair);

            //	Suite description
            AddSuiteDesc();

            //	Extend description
            AddExtDescText();

            return m_strDesc;
        }

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

    }
}