// LogSearchBar.cpp - 日志列表搜索条实现
#include "stdafx.h"
#include "LogSearchBar.h"
#include "LangManager.h"

BEGIN_MESSAGE_MAP(CLogSearchBar, CWnd)
    ON_WM_CREATE()
    ON_WM_SIZE()
    ON_WM_ERASEBKGND()
    ON_WM_TIMER()
    ON_EN_CHANGE(IDC_LOG_SEARCH_EDIT, OnEnChangeSearch)
    ON_BN_CLICKED(IDC_LOG_SEARCH_PREV,  OnBnClickedPrev)
    ON_BN_CLICKED(IDC_LOG_SEARCH_NEXT,  OnBnClickedNext)
    ON_BN_CLICKED(IDC_LOG_SEARCH_CLEAR, OnBnClickedClear)
END_MESSAGE_MAP()

CLogSearchBar::CLogSearchBar()
{
}

CLogSearchBar::~CLogSearchBar()
{
}

BOOL CLogSearchBar::Create(CWnd* pParent, CListCtrl* pList)
{
    m_pList = pList;
    LPCTSTR cls = AfxRegisterWndClass(CS_HREDRAW | CS_VREDRAW,
        ::LoadCursor(NULL, IDC_ARROW));
    return CWnd::Create(cls, _T(""), WS_CHILD | WS_CLIPCHILDREN,
        CRect(0, 0, 1, 1), pParent, 0);
}

int CLogSearchBar::OnCreate(LPCREATESTRUCT lpcs)
{
    if (CWnd::OnCreate(lpcs) == -1) return -1;

    // 搜索输入框
    m_editSearch.Create(WS_CHILD | WS_VISIBLE | WS_BORDER | ES_AUTOHSCROLL,
        CRect(0, 0, 1, 1), this, IDC_LOG_SEARCH_EDIT);
    m_editSearch.SetCueBanner(L"搜索日志...", TRUE);

    // 清除按钮
    m_btnClear.Create(_T("X"), WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON | BS_FLAT,
        CRect(0, 0, 1, 1), this, IDC_LOG_SEARCH_CLEAR);

    // 上一个 / 下一个按钮（系统样式，与浅色背景融合）
    m_btnPrev.Create(_T("▲"), WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON | BS_FLAT,
        CRect(0, 0, 1, 1), this, IDC_LOG_SEARCH_PREV);

    m_btnNext.Create(_T("▼"), WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON | BS_FLAT,
        CRect(0, 0, 1, 1), this, IDC_LOG_SEARCH_NEXT);

    // 结果计数
    m_staticCount.Create(_T(""), WS_CHILD | WS_VISIBLE | SS_CENTER | SS_CENTERIMAGE,
        CRect(0, 0, 1, 1), this, IDC_LOG_SEARCH_COUNT);

    // 统一字体：跟父窗口（主对话框）保持一致
    CFont* pFont = GetParent()->GetFont();
    if (pFont) {
        m_staticCount.SetFont(pFont);
        m_editSearch.SetFont(pFont);
        m_btnClear.SetFont(pFont);
        m_btnPrev.SetFont(pFont);
        m_btnNext.SetFont(pFont);
    }

    return 0;
}

void CLogSearchBar::LayoutControls(int cx, int cy)
{
    if (!m_editSearch.GetSafeHwnd()) return;
    const int m = 2;
    const int h = cy - 2 * m;
    if (h <= 0) return;
    const int btnW  = h;
    const int cntW  = 62;
    // 搜索框填满剩余空间（barW 由外部控制总宽，这里保证控件铺满）
    const int editW = max(20, cx - 2 * m - 3 * btnW - 2 * m - cntW);

    int x = m;
    m_staticCount.MoveWindow(x, m, cntW, h);
    x += cntW + m;
    m_editSearch.MoveWindow(x, m, editW, h);
    x += editW + m;
    m_btnClear.MoveWindow(x, m, btnW, h);
    x += btnW;
    m_btnPrev.MoveWindow(x, m, btnW, h);
    x += btnW;
    m_btnNext.MoveWindow(x, m, btnW, h);
}

void CLogSearchBar::OnSize(UINT nType, int cx, int cy)
{
    CWnd::OnSize(nType, cx, cy);
    LayoutControls(cx, cy);
}

BOOL CLogSearchBar::OnEraseBkgnd(CDC* pDC)
{
    CRect rc;
    GetClientRect(&rc);
    pDC->FillSolidRect(rc, ::GetSysColor(COLOR_3DFACE));
    return TRUE;
}

void CLogSearchBar::OnEnChangeSearch()
{
    KillTimer(TIMER_SEARCH);
    SetTimer(TIMER_SEARCH, SEARCH_DELAY_MS, NULL);
}

void CLogSearchBar::OnTimer(UINT_PTR nIDEvent)
{
    if (nIDEvent == TIMER_SEARCH) {
        KillTimer(TIMER_SEARCH);
        DoSearch();
    }
    CWnd::OnTimer(nIDEvent);
}

void CLogSearchBar::DoSearch()
{
    if (!m_pList || !m_pList->GetSafeHwnd()) return;

    CString kw;
    m_editSearch.GetWindowText(kw);

    m_Results.clear();
    m_nCurrentIndex = -1;

    if (kw.IsEmpty()) {
        UpdateCountText();
        return;
    }

    CString kwLow = kw;
    kwLow.MakeLower();

    int nCols  = m_pList->GetHeaderCtrl() ? m_pList->GetHeaderCtrl()->GetItemCount() : 1;
    int nItems = m_pList->GetItemCount();

    for (int i = 0; i < nItems; i++) {
        for (int c = 0; c < nCols; c++) {
            CString cell = m_pList->GetItemText(i, c);
            cell.MakeLower();
            if (cell.Find(kwLow) >= 0) {
                m_Results.push_back(i);
                break;
            }
        }
    }

    if (!m_Results.empty()) {
        m_nCurrentIndex = 0;
        GotoMatch(m_nCurrentIndex);
    }
    UpdateCountText();
}

void CLogSearchBar::GotoMatch(int idx)
{
    if (!m_pList || idx < 0 || idx >= (int)m_Results.size()) return;
    int item = m_Results[idx];

    // 取消所有选中
    int n = -1;
    while ((n = m_pList->GetNextItem(-1, LVNI_SELECTED)) != -1)
        m_pList->SetItemState(n, 0, LVIS_SELECTED | LVIS_FOCUSED);

    m_pList->SetItemState(item, LVIS_SELECTED | LVIS_FOCUSED, LVIS_SELECTED | LVIS_FOCUSED);
    m_pList->EnsureVisible(item, FALSE);
}

void CLogSearchBar::UpdateCountText()
{
    CString text;
    if (m_Results.empty()) {
        CString kw;
        m_editSearch.GetWindowText(kw);
        text = kw.IsEmpty() ? _TR("") : _TR("无结果");
    } else {
        text.Format(_T("%d/%d"), m_nCurrentIndex + 1, (int)m_Results.size());
    }
    m_staticCount.SetWindowText(text);
}

void CLogSearchBar::InvalidateSearch()
{
    KillTimer(TIMER_SEARCH);
    m_Results.clear();
    m_nCurrentIndex = -1;
    UpdateCountText();

    if (m_editSearch.GetSafeHwnd()) {
        CString kw;
        m_editSearch.GetWindowText(kw);
        if (!kw.IsEmpty())
            SetTimer(TIMER_SEARCH, SEARCH_DELAY_MS, NULL);
    }
}

void CLogSearchBar::OnBnClickedPrev()
{
    if (m_Results.empty()) return;
    m_nCurrentIndex--;
    if (m_nCurrentIndex < 0)
        m_nCurrentIndex = (int)m_Results.size() - 1;
    GotoMatch(m_nCurrentIndex);
    UpdateCountText();
}

void CLogSearchBar::OnBnClickedNext()
{
    if (m_Results.empty()) return;
    m_nCurrentIndex++;
    if (m_nCurrentIndex >= (int)m_Results.size())
        m_nCurrentIndex = 0;
    GotoMatch(m_nCurrentIndex);
    UpdateCountText();
}

void CLogSearchBar::OnBnClickedClear()
{
    m_editSearch.SetWindowText(_T(""));
    m_editSearch.SetFocus();
    // 触发 EN_CHANGE → 定时器 → DoSearch 清空结果
}