// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2022 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC.  If not, see <http://www.gnu.org/licenses/>.
//
#if defined(__GNUG__) && !defined(__APPLE__)
#pragma implementation "DlgDiagnosticLogFlags.h"
#endif

#include "stdwx.h"
#include "util.h"
#include "DlgDiagnosticLogFlags.h"
#include "BOINCGUIApp.h"
#include "BOINCBaseFrame.h"
#include "Events.h"
#include "error_numbers.h"
#include "SkinManager.h"


const int dlgDiagnosticsInitialWidth = 480;
const int dlgDiagnosticsInitialHeight = 480;
const int dlgDiagnosticsMinWidth = 400;
const int dlgDiagnosticsMinHeight = 400;

IMPLEMENT_DYNAMIC_CLASS(CDlgDiagnosticLogFlags, wxDialog)

BEGIN_EVENT_TABLE(CDlgDiagnosticLogFlags, wxDialog)
    EVT_SIZE(CDlgDiagnosticLogFlags::OnSize)
    EVT_BUTTON(wxID_OK,CDlgDiagnosticLogFlags::OnOK)
    EVT_BUTTON(ID_DEFAULTSBTN,CDlgDiagnosticLogFlags::OnSetDefaults)
    EVT_BUTTON(wxID_APPLY,CDlgDiagnosticLogFlags::OnApply)
    EVT_CHECKBOX(wxID_ANY,CDlgDiagnosticLogFlags::OnCheckBox)

END_EVENT_TABLE()

/* Constructor */
CDlgDiagnosticLogFlags::CDlgDiagnosticLogFlags(wxWindow* parent) :
    wxDialog( parent, ID_ANYDIALOG, wxEmptyString, wxDefaultPosition,
                wxSize(dlgDiagnosticsInitialWidth, dlgDiagnosticsInitialHeight),
                wxDEFAULT_DIALOG_STYLE|wxRESIZE_BORDER
            ) {

    CSkinAdvanced*     pSkinAdvanced = wxGetApp().GetSkinManager()->GetAdvanced();
    CMainDocument* pDoc = wxGetApp().GetDocument();

    wxASSERT(pDoc);
    wxASSERT(wxDynamicCast(pDoc, CMainDocument));

    wxASSERT(pSkinAdvanced);
    wxASSERT(wxDynamicCast(pSkinAdvanced, CSkinAdvanced));

    wxString title;
    title.Printf(
        _("%s Diagnostic Log Flags"),
        pSkinAdvanced->GetApplicationShortName().c_str()
    );

    SetTitle(title);

    // Get cc_config.xml file flags
    log_flags.init();
    m_cc_config.defaults();
    pDoc->rpc.get_cc_config(m_cc_config, log_flags);

    SetSizeHints(dlgDiagnosticsMinWidth, dlgDiagnosticsMinHeight);
    SetExtraStyle( GetExtraStyle() | wxWS_EX_VALIDATE_RECURSIVELY );

    wxBoxSizer* bSizer1 = new wxBoxSizer( wxVERTICAL );
    m_headingSizer = new wxFlexGridSizer( 1 );

    m_headingText.Printf(
        _("These flags enable various types of diagnostic messages in the Event Log.")
    );

    m_heading = new wxStaticText(this, wxID_ANY, m_headingText);

    m_headingSizer->Add(m_heading, 1, wxLEFT | wxRIGHT, 25);

    wxString strURL = pSkinAdvanced->GetOrganizationHelpUrl();
    wxString helpURL;
    helpURL.Printf(
            wxT("%s?target=notice&controlid=log_flags"),
            strURL.c_str()
        );

     m_headingSizer->Add(
        new wxHyperlinkCtrl(
            this, wxID_ANY, _("More info ..."), helpURL,
            wxDefaultPosition, wxDefaultSize, wxHL_DEFAULT_STYLE
        ),
        0, wxLEFT | wxRIGHT, 25
    );

    bSizer1->AddSpacer(7);
    bSizer1->Add( m_headingSizer, 0, wxEXPAND | wxALL, 5 );
    bSizer1->AddSpacer(7);

    m_scrolledWindow = new wxScrolledWindow( this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxHSCROLL|wxVSCROLL );
    m_scrolledWindow->SetScrollRate( 5, 5 );

    m_checkboxSizer = new wxGridSizer(2, wxSize(0,3));
    CreateCheckboxes();

    bSizer1->Add( m_scrolledWindow, 1, wxEXPAND | wxALL, 5 );

    wxBoxSizer* buttonSizer = new wxBoxSizer( wxHORIZONTAL );

    wxButton* btnOK = new wxButton( this, wxID_OK, _("Save"), wxDefaultPosition, wxDefaultSize, 0 );
    btnOK->SetToolTip( _("Save all values and close the dialog") );
    buttonSizer->Add( btnOK, 0, wxALL, 5 );

    wxButton* btnDefaults = new wxButton( this, ID_DEFAULTSBTN, _("Defaults"), wxDefaultPosition, wxDefaultSize, 0 );
    btnDefaults->SetToolTip( _("Restore default settings") );
    buttonSizer->Add( btnDefaults, 0, wxALL, 5 );

    wxButton* btnCancel = new wxButton( this, wxID_CANCEL, _("Cancel"), wxDefaultPosition, wxDefaultSize, 0 );
    btnCancel->SetToolTip( _("Close the dialog without saving") );
    buttonSizer->Add( btnCancel, 0, wxALL, 5 );

    m_btnApply = new wxButton( this, wxID_APPLY, _("Apply"), wxDefaultPosition, wxDefaultSize, 0 );
    m_btnApply->SetToolTip( _("Save all values") );
    m_btnApply->Enable(false);
    buttonSizer->Add( m_btnApply, 0, wxALL, 5 );

    btnCancel->SetDefault();
    bSizer1->Add( buttonSizer, 0, wxALIGN_RIGHT | wxALL, 15 );

    SetSizer( bSizer1 );

    RestoreState();
    Layout();
    Center( wxBOTH );

#if defined(__WXMSW__) || defined(__WXGTK__)
    SetDoubleBuffered(true);
#endif
}

// destructor
CDlgDiagnosticLogFlags::~CDlgDiagnosticLogFlags() {
    SaveState();
}


void CDlgDiagnosticLogFlags::CreateCheckboxes() {
    char buf[64000];
    MIOFILE mf;
    bool val;

    m_checkbox_list.clear();

    mf.init_buf_write(buf, sizeof(buf));
    m_cc_config.write(mf, log_flags);

    mf.init_buf_read(buf);
    XML_PARSER xp(&mf);

    while (!xp.get_tag()) {
        if (!xp.is_tag) {
            continue;
        }
        if (xp.match_tag("log_flags")) break;
    }

    while (!xp.get_tag()) {
        if (!xp.is_tag) {
            continue;
        }
        if (xp.match_tag("/log_flags")) break;
        wxString label = wxString(xp.parsed_tag);
        xp.parse_bool(xp.parsed_tag, val);

        wxCheckBox* ckbox = new wxCheckBox(m_scrolledWindow, wxID_ANY, label);
        m_checkboxSizer->Add(ckbox, 0, wxLEFT, 25);
        m_checkbox_list.push_back(ckbox);
        ckbox->SetValue(val);
    }

    m_scrolledWindow->SetSizer( m_checkboxSizer );
    m_scrolledWindow->Layout();
    m_checkboxSizer->Fit( m_scrolledWindow );
}

void CDlgDiagnosticLogFlags::SaveFlags() {
    char buf[64000];
    MIOFILE mf;
    bool val;
    unsigned int i;
    CMainDocument* pDoc = wxGetApp().GetDocument();

    wxASSERT(pDoc);
    wxASSERT(wxDynamicCast(pDoc, CMainDocument));

    mf.init_buf_write(buf, sizeof(buf));
    for (i = 0; i<m_checkbox_list.size(); ++i) {
      wxCheckBox* ckbox = m_checkbox_list[i];
      val = ckbox->GetValue();
      mf.printf("        <%s>%d</%s>\n", (const char*)ckbox->GetLabel().ToAscii(), (int)val, (const char*)ckbox->GetLabel().ToAscii());
    }
    mf.printf("    </log_flags>\n");

    XML_PARSER xp(&mf);
    mf.init_buf_read(buf);
    log_flags.parse(xp);

    int retval = pDoc->rpc.set_cc_config(m_cc_config, log_flags);
    if (!retval) {
      pDoc->rpc.read_cc_config();
    }
}


/* saves dialog size and (on Mac) position */
bool CDlgDiagnosticLogFlags::SaveState() {
    wxConfigBase*   pConfig = wxConfigBase::Get(FALSE);

    wxASSERT(pConfig);
    if (!pConfig) return false;

    pConfig->SetPath("/DlgDiagnosticLogFlags/");
    pConfig->Write(wxT("Width"), GetSize().GetWidth());
    pConfig->Write(wxT("Height"), GetSize().GetHeight());

    pConfig->Flush();

    return true;
}

/* restores former dialog size and (on Mac) position */
bool CDlgDiagnosticLogFlags::RestoreState() {
    wxConfigBase*   pConfig = wxConfigBase::Get(FALSE);
    int                iWidth, iHeight;

    wxASSERT(pConfig);
    if (!pConfig) return false;

    pConfig->SetPath("/DlgDiagnosticLogFlags/");

    pConfig->Read(wxT("Width"), &iWidth, dlgDiagnosticsInitialWidth);
    pConfig->Read(wxT("Height"), &iHeight, dlgDiagnosticsInitialHeight);

    // Guard against a rare situation where registry values are zero
    if ((iWidth < 50) && (iWidth != wxDefaultCoord)) iWidth = dlgDiagnosticsInitialWidth;
    if ((iHeight < 50) && (iHeight != wxDefaultCoord)) iHeight = dlgDiagnosticsInitialHeight;

    // Set size to saved values or defaults if no saved values
    SetSize(std::max(iWidth, dlgDiagnosticsMinWidth), std::max(iHeight, dlgDiagnosticsMinHeight));

    return true;
}


void CDlgDiagnosticLogFlags::OnSize(wxSizeEvent& event) {
    m_heading->SetLabel(m_headingText);
    m_heading->Wrap(m_headingSizer->GetSize().GetWidth()-50);
    m_headingSizer->Fit(m_heading);
    Layout();
    SaveState();
    Refresh();

    event.Skip();
}


void CDlgDiagnosticLogFlags::OnOK(wxCommandEvent& event) {
    SaveFlags();

    event.Skip();
}


void CDlgDiagnosticLogFlags::OnSetDefaults(wxCommandEvent& ) {
    log_flags.init();

    m_checkboxSizer->Clear(true);
    CreateCheckboxes();
    m_btnApply->Enable();
    Layout();
}

void CDlgDiagnosticLogFlags::OnApply(wxCommandEvent & event) {
    SaveFlags();
    m_btnApply->Enable(false);

    event.Skip();
}

void CDlgDiagnosticLogFlags::OnCheckBox(wxCommandEvent & event) {
    m_btnApply->Enable();

    event.Skip();
}