// CClientLog.cpp: 实现文件

#include "stdafx.h"
#include "afxdialogex.h"
#include "CClientLog.h"
#include "resource.h"
#include "../../common/commands.h"


IMPLEMENT_DYNAMIC(CClientLog, CDialogEx)

CClientLog::CClientLog(CWnd* pParent, Server* pServer, CONTEXT_OBJECT* pContext)
    : CDialogBase(IDD_DIALOG_CLIENT_LOG, pParent, pServer, pContext, 0)
{
}

CClientLog::~CClientLog()
{
}

void CClientLog::DoDataExchange(CDataExchange* pDX)
{
    CDialogBase::DoDataExchange(pDX);
    DDX_Control(pDX, IDC_EDIT_LOG, m_editLog);
}

BEGIN_MESSAGE_MAP(CClientLog, CDialogBase)
    ON_WM_DESTROY()
    ON_WM_SIZE()
    ON_MESSAGE(WM_REPORT_CLIENT_LOG, OnReportLog)
END_MESSAGE_MAP()

BOOL CClientLog::OnInitDialog()
{
    CDialogBase::OnInitDialog();
    SetWindowText(_TR("客户端日志") + " - " + m_IPAddress);
    HICON hIcon = AfxGetApp()->LoadIcon(IDI_CLIENTLOG);
    SetIcon(hIcon, TRUE);
    SetIcon(hIcon, FALSE);
    CFont* pFont = new CFont();
    pFont->CreatePointFont(85, _T("Consolas"));
    m_editLog.SetFont(pFont);
    return TRUE;
}

void CClientLog::OnSize(UINT nType, int cx, int cy)
{
    CDialogBase::OnSize(nType, cx, cy);
    if (m_editLog.GetSafeHwnd() && cx > 0 && cy > 0)
        m_editLog.MoveWindow(7, 7, cx - 14, cy - 14);
}

void CClientLog::OnDestroy()
{
    if (m_ContextObject && m_bConnected) {
        BYTE cmd = COMMAND_BYE;
        m_ContextObject->Send2Client(&cmd, 1);
    }
    CDialogBase::OnDestroy();
}

void CClientLog::AppendLog(const std::string& text)
{
    if (text.empty()) return;
    // \n → \r\n，Windows 编辑框换行需要 \r\n
    std::string norm;
    norm.reserve(text.size() + 64);
    for (size_t i = 0; i < text.size(); ++i) {
        if (text[i] == '\n' && (i == 0 || text[i - 1] != '\r'))
            norm += '\r';
        norm += text[i];
    }
    // 超过 512KB 时截断旧内容
    int existing = m_editLog.GetWindowTextLength();
    if (existing > 512 * 1024) {
        CString cur;
        m_editLog.GetWindowText(cur);
        m_editLog.SetWindowText(cur.Mid(cur.GetLength() - 256 * 1024));
    }
    // 追加到末尾并滚动
    CString add = CA2T(norm.c_str(), CP_UTF8);
    m_editLog.SetSel(-1, -1);
    m_editLog.ReplaceSel(add);
    m_editLog.SendMessage(EM_SCROLLCARET);
}

void CClientLog::OnReceiveComplete()
{
    auto& buf = m_ContextObject->InDeCompressedBuffer;
    if (buf.GetBYTE(0) != TOKEN_REPORT_LOG)
        return;
    unsigned len = buf.GetBufferLen();
    auto* pText = new std::string((char*)(buf.GetBuffer() + 1), len > 1 ? len - 1 : 0);
    if (!PostMessage(WM_REPORT_CLIENT_LOG, 0, (LPARAM)pText))
        delete pText;
}

LRESULT CClientLog::OnReportLog(WPARAM /*wParam*/, LPARAM lParam)
{
    std::string* pText = reinterpret_cast<std::string*>(lParam);
    if (pText) {
        AppendLog(*pText);
        delete pText;
    }
    return 0;
}