#pragma once
#include <windows.h>
using namespace std;

// 用于Hook到数据后，给主线程发送信号
#define WM_WAIT_HOOK_DATA WM_USER + 0x1

/*
 * 微信中的基础数据结构
 * buffer：UNICODE字符串
 * length：`buffer`字符数
 * maxLength：`buffer`最大字符数
 * fill1：占位成员1，默认为0
 * fill2：占位成员2，默认为0
 * WxString：默认构造函数
 */
typedef struct WxStringW
{
    wchar_t *buffer = NULL;
    DWORD length = 0;
    DWORD maxLength = 0;
    DWORD fill1 = 0;
    DWORD fill2 = 0;
    WxStringW() {}
    WxStringW(wstring &str)
    {
        buffer = (wchar_t *)str.c_str();
        length = str.length();
        maxLength = str.length() * 2;
    }
    WxStringW(const wchar_t *pStr)
    {
        buffer = (wchar_t *)pStr;
        length = wcslen(pStr);
        maxLength = wcslen(pStr) * 2;
    }
    WxStringW(int tmp)
    {
        buffer = NULL;
        length = 0x0;
        maxLength = 0x0;
    }
    WxStringW(wchar_t *pStr)
    {
        buffer = pStr;
        length = wcslen(pStr);
        maxLength = wcslen(pStr) * 2;
    }
    void set_value(const wchar_t *pStr)
    {
        buffer = (wchar_t *)pStr;
        length = wcslen(pStr);
        maxLength = wcslen(pStr) * 2;
    }
} WxString;

/*
 * 保存单条信息的结构
 * messagetype：消息类型
 * sender：发送者wxid
 * wxid：如果sender是群聊id，则此成员保存具体发送人wxid，否则与`sender`一致
 * message：消息内容，非文本消息是xml格式
 * filepath：图片、文件及其他资源的保存路径
 */
struct ReceiveMsgStruct
{
    DWORD pid = 0;
    DWORD messagetype = 0;
    BOOL isSendMessage = 0;
    unsigned long long msgid = 0;
    wstring sender;
    wstring wxid;
    wstring message;
    wstring filepath;
    wstring time;
    wstring extrainfo;
    ~ReceiveMsgStruct()
    {
    }
};

// vector在内存中的表现形式
struct VectorStruct
{
#ifdef _DEBUG
    DWORD v_head;
#endif
    DWORD v_data;
    DWORD v_end1;
    DWORD v_end2;
};

struct UserInfo
{
    int errcode;
    wchar_t *keyword;
    int l_keyword;
    wchar_t *v3;
    int l_v3;
    wchar_t *NickName;
    int l_NickName;
    wchar_t *Signature;
    int l_Signature;
    wchar_t *v2;
    int l_v2;
    wchar_t *Nation;
    int l_Nation;
    wchar_t *Province;
    int l_Province;
    wchar_t *City;
    int l_City;
    wchar_t *BigAvatar;
    int l_BigAvatar;
    wchar_t *SmallAvatar;
    int l_SmallAvatar;
    DWORD sex;
    BOOL over;
};

/*
 * 保存数据库单个表信息的结构体
 * name：表名；l_name：`name`字符数
 * tbl_name：表名；l_tbl_name：`tbl_name`字符数
 * sql：建表语句；l_sql：`sql`字符数
 * rootpage：表编号；l_rootpage：`rootpage`字符数
 */
struct TableInfoStruct
{
    char *name;
    DWORD l_name;
    char *tbl_name;
    DWORD l_tbl_name;
    char *sql;
    DWORD l_sql;
    char *rootpage;
    DWORD l_rootpage;
};

/*
 * 保存数据库信息的结构体
 * handle：数据库句柄
 * dbname：数据库名
 * l_dbname：`dbname`字符数
 * tables：保存库中所有表信息的容器
 * count：库中表的数量
 */
struct DbInfoStruct
{
    DWORD handle = 0;
    wchar_t *dbname = NULL;
    DWORD l_dbname = 0;
    vector<TableInfoStruct> tables;
    DWORD count = 0;
    DWORD extrainfo = 0;
};

/*
 * 保存单个好友信息的结构体
 * wxIdAddr：wxid保存地址
 * wxNumberAddr：微信号保存地址
 * wxNickNameAddr：昵称保存地址
 * wxRemarkAddr：备注保存地址
 * WxFriendStructW：默认构造函数
 */
struct WxFriendStruct
{
    DWORD wxIdAddr;
    DWORD wxNumberAddr;
    DWORD wxNickNameAddr;
    DWORD wxRemarkAddr;
    DWORD wxTypeAddr;
    DWORD wxVerifyFlagAddr;
    WxFriendStruct(DWORD wxIdAddr, DWORD wxNumberAddr,
                   DWORD wxNickNameAddr, DWORD wxRemarkAddr,
                   DWORD wxTypeAddr, DWORD wxVerfifyFlagAddr)
    {
        this->wxIdAddr = wxIdAddr;
        this->wxNumberAddr = wxNumberAddr;
        this->wxNickNameAddr = wxNickNameAddr;
        this->wxRemarkAddr = wxRemarkAddr;
        this->wxTypeAddr = wxTypeAddr;
        this->wxVerifyFlagAddr = wxVerfifyFlagAddr;
    }
};

typedef struct CHAT_MSGTag
{
    DWORD handle1 = 0;
    DWORD null_value1 = 0;
    ULONG64 sequence = 0x0;
    DWORD null_value2[2] = {0};
    ULONG64 msgsequence = 0x0;
    DWORD localId = 0;
    DWORD null_value3[3] = {0};
    ULONG64 msgid = 0x0;
    DWORD type = 0x1;
    DWORD isSendMsg = 0x1;
    DWORD unknown_value1 = 0x2;
    DWORD create_time = 0x0;
    WxString takler = {0};
    WxString null_string1 = {0};
    WxString content = {0};
    DWORD null_value4[2] = {0};
    DWORD extrabuf = 0;
    DWORD extrabuf_len = 0;
    DWORD null_value5[17] = {0};
    BOOL isSyncMsg = 0x1;
    DWORD null_value6[21] = {0};
    DWORD handle2 = 0;
    DWORD handle3 = 0;
    void *unknown_ptr1 = NULL;
    DWORD null_value7[13] = {0};
    WxString chatroom_member = {0};
    WxString md5 = {0};
    WxString thumbnail = {0};
    WxString file_save_path = {0};
    DWORD null_value8[11] = {0};
    WxString extra_info = {0};
    DWORD null_value9[16] = {0};
    DWORD unknown_value2 = 0x1;
    DWORD unknown_value3 = 0x1;
    DWORD null_value10[7] = {0};
    DWORD unknown_value4 = 0x1;
    DWORD null_value11 = 0;
    DWORD unknown_value5 = 0xFF;
    DWORD unknown_value6 = 0x1;
    DWORD null_value12[6] = {0};
    void *unknown_ptr2 = NULL;
    DWORD null_value13[2] = {0};
} CHAT_MSG, *PCHAT_MSG;

struct WxStringA
{
    char buffer[0x10] = {0};
    int length;
    int maxLength;
    WxStringA(string &str)
    {
        this->length = str.length();
        this->maxLength = this->length - (this->length % 0x10) + 0xF;
        if (this->length == 0)
        {
            *(DWORD *)this->buffer = 0;
        }
        else if (this->length < 0x10)
        {
            memcpy(this->buffer, str.c_str(), this->length + 1);
        }
        else
        {
            *(DWORD *)this->buffer = (DWORD)str.c_str();
        }
    }
    WxStringA(const char *buf)
    {
        this->length = strlen(buf);
        this->maxLength = this->length - (this->length % 0x10) + 0xF;
        if (this->length == 0)
        {
            *(DWORD *)this->buffer = 0;
        }
        else if (this->length < 0x10)
        {
            memcpy(this->buffer, buf, this->length + 1);
        }
        else
        {
            *(DWORD *)this->buffer = (DWORD)buf;
        }
    }
    char *get()
    {
        if (this->length < 0x10)
        {
            return this->buffer;
        }
        return (char *)(*(DWORD *)this->buffer);
    }
};