#include "gui/LoggingWindow.h"

#include "gui/helpers/wxLogEvent.h"

#include <wx/sizer.h>
#include <wx/stattext.h>
#include <wx/wupdlock.h>

#include "gui/helpers/wxHelpers.h"

wxDEFINE_EVENT(EVT_LOG, wxLogEvent);

LoggingWindow* s_instance;

LoggingWindow::LoggingWindow(wxFrame* parent)
	: wxFrame(parent, wxID_ANY, _("Logging window"), wxDefaultPosition, wxSize(800, 600), wxDEFAULT_FRAME_STYLE | wxTAB_TRAVERSAL)
{
	auto*  sizer = new wxBoxSizer( wxVERTICAL );
	{
		auto filter_row = new wxBoxSizer( wxHORIZONTAL );

		filter_row->Add(new wxStaticText( this, wxID_ANY, _("Filter")), 0, wxALIGN_CENTER_VERTICAL|wxALL, 5 );

		wxString choices[] = {"Unsupported APIs calls", "Coreinit Logging", "Coreinit File-Access", "Coreinit Thread-Synchronization", "Coreinit Memory", "Coreinit MP", "Coreinit Thread", "nn::nfp", "GX2", "Audio", "Input", "Socket", "Save", "H264", "Graphic pack patches", "Texture cache", "Texture readback", "OpenGL debug output", "Vulkan validation layer"};
		m_filter = new wxComboBox( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, std::size(choices), choices, 0 );
		m_filter->Bind(wxEVT_COMBOBOX, &LoggingWindow::OnFilterChange, this);
		m_filter->Bind(wxEVT_TEXT, &LoggingWindow::OnFilterChange, this);
		filter_row->Add(m_filter, 1, wxALL, 5 );

		m_filter_message = new wxCheckBox(this, wxID_ANY, _("Filter messages"));
		m_filter_message->Bind(wxEVT_CHECKBOX, &LoggingWindow::OnFilterMessageChange, this);
		filter_row->Add(m_filter_message, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5 );

		sizer->Add( filter_row, 0, wxEXPAND, 5 );
	}

	m_log_list = new wxLogCtrl(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxScrolledWindowStyle|wxVSCROLL);//( this, wxID_ANY, wxDefaultPosition, wxDefaultSize, 0, NULL, wxLB_HSCROLL );
	sizer->Add( m_log_list, 1, wxALL | wxEXPAND, 5 );

	this->SetSizer( sizer );
	this->Layout();

	this->Bind(EVT_LOG, &LoggingWindow::OnLogMessage, this);

	std::unique_lock lock(s_mutex);
	cemu_assert_debug(s_instance == nullptr);
	s_instance = this;
}

LoggingWindow::~LoggingWindow()
{
	this->Unbind(EVT_LOG, &LoggingWindow::OnLogMessage, this);

	std::unique_lock lock(s_mutex);
	s_instance = nullptr;
}

void LoggingWindow::Log(std::string_view filter, std::string_view message)
{
	std::shared_lock lock(s_mutex);
	if(!s_instance)
		return;

	wxLogEvent event(std::string {filter}, std::string{ message });
	s_instance->OnLogMessage(event);

	//const auto log_event = new wxLogEvent(filter, message);
	//wxQueueEvent(s_instance, log_event);
}

void LoggingWindow::Log(std::string_view filter, std::wstring_view message)
{
	std::shared_lock lock(s_mutex);
	if(!s_instance)
		return;

	wxLogEvent event(std::string {filter}, std::wstring{ message });
	s_instance->OnLogMessage(event);

	//const auto log_event = new wxLogEvent(filter, message);
	//wxQueueEvent(s_instance, log_event);
}

void LoggingWindow::OnLogMessage(wxLogEvent& event)
{
	m_log_list->PushEntry(event.GetFilter(), event.GetMessage());		
}

void LoggingWindow::OnFilterChange(wxCommandEvent& event)
{
	m_log_list->SetActiveFilter(from_wxString(m_filter->GetValue()));
	event.Skip();
}

void LoggingWindow::OnFilterMessageChange(wxCommandEvent& event)
{
	m_log_list->SetFilterMessage(m_filter_message->GetValue());
	event.Skip();
}