using System;
using System.Collections.Generic;
using System.IO;
using System.Runtime.InteropServices;
using BrewMonster;
using BrewMonster.Scripts.Common.DataProcess.ScriptableObjects;
using CSNetwork.GPDataType;
using UnityEngine;

[System.Serializable]
public struct TRANS_TARGET
{
	public int			id;

    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
	public ushort[]		name;
    public string Name;
	public int			world_id;
	public A3DVECTOR3	vecPos;
	public int			domain_id;

}

[System.Serializable]
public struct TRANS_TARGET_SERV
{
	public int			id;
	public int			world_id;
	public A3DVECTOR3	vecPos;
	public int			domain_id;

}

[System.Serializable]
public struct GShopBuyOption
{
    public uint price;           // Item price
    public uint endTime;         // End time (year/month/day/hour/minute/second)
    public uint time;            // Duration in seconds (0 = permanent)
    public uint startTime;       // Start time
    public int type;             // Time type: 0=permanent, 1=weekly, 2=monthly, -1=invalid
    public uint day;             // Day mask for weekly/monthly
    public uint status;          // Item status: 0=none, 1=hot, 2=new, 3=recommended, 4-12=discount levels, 13=sold out
    public uint flag;            // Additional flags
}

[System.Serializable]
public struct GShopItem
{
    public int localId;          // Localization ID
    public int mainType;         // Main category index
    public int subType;          // Sub-category index
    public string icon;          // Icon file path (128 chars)
    public uint id;              // Item object ID
    public uint num;             // Item quantity
    public GShopBuyOption[] buy; // Up to 4 different pricing options
    public string desc;          // Item description (512 chars)
    public string name;          // Item display name (32 chars)
    public uint idGift;          // Gift item ID
    public uint giftNum;         // Gift quantity
    public uint giftTime;        // Gift duration
    public uint logPrice;        // Log price
    public uint[] ownerNpcs;     // NPCs that own this item (8 max)
    public int itemIndex;
}

[System.Serializable]
public struct GShopMainType
{
    public string name;          // Main category name (64 chars)
    public List<string> subTypes; // Sub-category names
}

public class GShopData
{
    public List<GShopItem> items;
    public List<GShopMainType> mainTypes;
    public uint timestamp;
    
    public GShopData()
    {
        items = new List<GShopItem>();
        mainTypes = new List<GShopMainType>();
        timestamp = 0;
    }
}

// Extension methods for BinaryReader
public static class BinaryReaderExtensions
{
    public static string ReadString(this BinaryReader reader, int length)
    {
        byte[] bytes = reader.ReadBytes(length);
        return System.Text.Encoding.GetEncoding(936).GetString(bytes).TrimEnd('\0');
    }
    
    public static string ReadWideString(this BinaryReader reader, int length)
    {
        byte[] bytes = reader.ReadBytes(length * 2); // Wide chars are 2 bytes each
        return System.Text.Encoding.Unicode.GetString(bytes).TrimEnd('\0');
    }
}

public class GlobalDataManager
{
    public static void globaldata_load()
    {
        // read world target data
        var worldTargetSO = Resources.Load<WorldTargetSO>("WorldTargetSO");
        if(worldTargetSO == null)
        {
            BMLogger.LogError("GlobalDataManager: world target data not found");

            #if UNITY_EDITOR
            // show a dialouge for the error
            UnityEditor.EditorUtility.DisplayDialog("GlobalDataManager", "World target data not found", "OK");
            #endif

            return;
        }

        GlobalTransmitData.global_trans_targets = worldTargetSO.worldTargets;

        //TODO: Load the domain info file. It's a binary file.
        // now load domain info file
        // AFileImage domainFile = new AFileImage();
        // if( !domainFile.Open("Data\\domain.data", AFILE_OPENEXIST | AFILE_BINARY) )
        // {
        //     a_LogOutput(1, "GlobalData_Load(), Failed to open domain data file");
        //     return false;
        // }
    }
}

public class GlobalTransmitData
{
    public static List<TRANS_TARGET> global_trans_targets = new();
    private static List<TRANS_TARGET_SERV> global_trans_targets_server = new();

    public static List<TRANS_TARGET> globaldata_gettranstargets => global_trans_targets;
}