#include "DShowMovie.h"
#include "ECTrainerGUI.h"
#include "ECTrainer.h"
#include "Worker.h"
#include "EyeTrack.h"
#include "ImageProc.h"
#include "BitalMonitor.h"
#include "TobiiREST.h"
#include "Stimulus.h"
#include "Marker.h"
#include "myWinUtils.h"
#pragma comment(lib,"winmm.lib")

#define CVUI_IMPLEMENTATION
#include "cvui.h"

// コンストラクタ
ECTrainerGUI::ECTrainerGUI(ECTrainer* pEct) : BaseProcess(pEct)
	, _SceneBufferHeight(0)
	, _DispImageHeight(0)
	, _SceneBufferScale(1.F)
	, _hWndMain(NULL)
	, _Booting(true)
{
}

// 初期化
bool ECTrainerGUI::Init() {

	// GUIウインドウ
	cvui::init(WIN_MAIN);
	_MainFrame.create(MAIN_FRAME_SIZE, CV_8UC3);

	// 刺激提示ウインドウ
	std::vector<RECT> displays = mwut::GetDisplayInfo();	// 実行環境の情報取得
	if (displays.size() > 1 && !FORCE_SINGLE_MONITOR) {
		// マルチモニタの場合
		// サブ画面に操作パネル表示
		cv::moveWindow(WIN_MAIN, displays[1].left, displays[1].top);

		// メイン画面に被験者映像提示（DirectShow動画がサブ画面に出力できないため）
		cv::namedWindow(WIN_DISP, cv::WINDOW_NORMAL | cv::WINDOW_OPENGL);
		cv::moveWindow(WIN_DISP, displays[0].left, displays[0].top);
		cv::resizeWindow(WIN_DISP, cv::Size(640, 400));
		cv::setWindowProperty(WIN_DISP, cv::WND_PROP_FULLSCREEN, cv::WINDOW_FULLSCREEN);
	} else {
		// シングルモニタの場合
		cv::moveWindow(WIN_MAIN, displays[0].left + 100, displays[0].top + 100);

		displays[0].right /= 2;
		displays[0].bottom /= 2;
		cv::namedWindow(WIN_DISP, cv::WINDOW_AUTOSIZE);
		cv::moveWindow(WIN_DISP, displays[0].left, displays[0].top);
	}

	_FullDispBuf.create(cv::Size(displays[0].right - displays[0].left,
		displays[0].bottom - displays[0].top), CV_8UC3);
	_hWndMain = ::FindWindowA(NULL, WIN_MAIN.c_str());
	_blank = cv::Mat(DISP_SIZE, CV_8UC3, cv::Scalar(0));
	_Logo = cv::imread(HEADER_FILE);

	_pEct->PDSMovie()->Init(displays[0]);

	return true;
}

// 基本処理
bool ECTrainerGUI::Routine() {

	// メインウインドウフレームクリア
	_MainFrame = cv::Scalar(49, 52, 49);

	// 視野画像バッファ生成
	cv::Mat sceneBuf = _pEct->PImageProc()->GetImage();
	if (sceneBuf.empty()) sceneBuf = _blank;

	// 表示バッファ生成（実験中はWorkerクラスの生成画像，非実験中はStimulusクラスの画像を使う）
	bool fTarget = _pEct->PWorker()->GetAppStatus() == APP_STATUS::STIM;
	bool isNew = fTarget ? _pEct->PWorker()->IsNewTargetImg() : _pEct->PStimulus()->IsNewDisplay();
	cv::Mat dispBuf = fTarget ? _pEct->PWorker()->GetTargetImg().clone() : _pEct->PStimulus()->GetDisplay().clone();
	if (dispBuf.empty()) dispBuf = _blank;
	if (isNew && !_pEct->PDSMovie()->IsPlaying()) this->MakeFullDispBuffer(dispBuf);

	// 注視点の表示
	if (_pEct->PEyeTrack()->GetGazeV().x >= 0) {
		cv::circle(sceneBuf, _pEct->PEyeTrack()->GetGazeV(), 20, CV_RGB(0, 0, 255), 3);
	}

	// UI描画
	cvui::image(_MainFrame, 0, 0, _Logo);
	cvui::beginColumn(_MainFrame, 10, 100, 140, -1, 10);
	switch (_pEct->PWorker()->GetAppStatus()) {
	case APP_STATUS::IDLE:
		if (cvui::button(140, 30, "CALIBRATION")) {
			((BaseProcess*)_pEct->PWorker())->PostMsg(ECTMSG::CALIB_START);
		}
		if (cvui::button(140, 30, "START")) {
			((BaseProcess*)_pEct->PWorker())->PostMsg(ECTMSG::EXP_START);
		}
		break;
	case APP_STATUS::STIM:
		if (cvui::button(140, 30, "STOP")) {
			_pEct->PDSMovie()->StopMovie();
			((BaseProcess*)_pEct->PWorker())->PostMsg(ECTMSG::EXP_STOP);
		}
		//cvui::trackbar(140, &targetSize, (float)0, (float)3.0);
		//cvui::checkbox("Show Eyes", &fShowEyesPos);
		//cvui::text(fContact ? "Eyes Contact!" : "No contact");
		break;
	}
	cvui::printf("View Gaze %.0f, %.0f", _pEct->PEyeTrack()->GetGazeV().x, _pEct->PEyeTrack()->GetGazeV().y);
	//cvui::printf("Img Gaze %.2f, %.2f", _pEct->GetGazeI().x, _pEct->GetGazeI().y);
	cvui::text(_pEct->PMarker()->IsDetected() ? "AR Markers OK" : "AR Markers NG");
	cvui::printf("Battery %d %%", _pEct->PTobiiREST()->GetBatteryLevel());
	if (_pEct->PStimulus()->GetStimNo() >= 0) {
		cvui::printf("%s", _pEct->PStimulus()->GetStimFile().c_str());
		cvui::printf("Showing %.1f s", _pEct->PStimulus()->GetStimTime() / 1000.F);
	}
	bool snapshot = cvui::button(140, 30, "SNAPSHOT");
	if (cvui::button(140, 30, "QUIT")) {
		((BaseProcess*)_pEct->PWorker())->PostMsg(ECTMSG::SOFTWARE_END);
	}
	if (_pEct->PBitalMonitor()->IsUseDevice()) {
		cvui::printf("HeartBeat (bpm)");
		cvui::text(cv::format("%3d", _pEct->PBitalMonitor()->GetHB()), 2.0);
	} else {
		cvui::printf("HeartBeat no device");
	}
	cvui::endColumn();

	// 画像表示
	cvui::text(_MainFrame, SCENE_BUFFER_POS.x, 100, "SCENE CAMERA");
	cv::Mat sceneResized = gocv::KeepAspectResize(sceneBuf, DISP_SIZE.width);
	cvui::image(_MainFrame, SCENE_BUFFER_POS.x, SCENE_BUFFER_POS.y, sceneResized);

	cvui::text(_MainFrame, DISP_IMAGE_POS.x, 100, "STIMULUS IMAGE");
	cv::Mat dispResized = gocv::KeepAspectResize(dispBuf, DISP_SIZE.width);
	cvui::image(_MainFrame, DISP_IMAGE_POS.x, DISP_IMAGE_POS.y, dispResized);

	//// 刺激動画
	//if (_pEct->PStimulus()->IsNewMovie()) {
	//	std::wstring movie = _pEct->PStimulus()->GetMovie();
	//	//if (movie.size() < 1 || movie == L"STOP") {
	//	//	mwut::DebugPrintf(_T("ECTMSG::MOVIE_STOP  [%s]\n"), movie.c_str());
	//	//	((BaseProcess*)_pEct->PWorker())->PostMsg(ECTMSG::MOVIE_STOP);
	//	//} else {
	//		if (_pEct->PDSMovie()->PlayMovie(movie)) {
	//			((BaseProcess*)_pEct->PWorker())->PostMsg(ECTMSG::MOVIE_START);
	//		} else {
	//			_pEct->PDSMovie()->StopMovie();
	//			((BaseProcess*)_pEct->PWorker())->PostMsg(ECTMSG::SYSTEM_ERROR);
	//		}
	//	//}
	//}

	// 動画の末尾まで再生チェック
	if (_pEct->PDSMovie()->IsReachToEnd()) {
		((BaseProcess*)_pEct->PWorker())->PostMsg(ECTMSG::MOVIE_END);
	}

	// 画面表示
	cvui::update();
	cv::imshow(WIN_MAIN, _MainFrame);
	if (!_pEct->PDSMovie()->IsPlaying()) cv::imshow(WIN_DISP, _FullDispBuf);
	if (snapshot) cv::imwrite(SNAPSHOT_FILE, _MainFrame);

	// ウインドウ×ボタンで閉じた時
	if (_hWndMain != ::FindWindowA(NULL, WIN_MAIN.c_str())) { 
		((BaseProcess*)_pEct->PWorker())->PostMsg(ECTMSG::SOFTWARE_END);
	}

	// 初回のGUI表示が完了したところで起動メッセージ発信
	if (_Booting) {
		_Booting = false;
		((BaseProcess*)_pEct->PWorker())->PostMsg(ECTMSG::SOFTWARE_START);
	}

	return true;
}

// イベント処理
bool ECTrainerGUI::EventProc(MSG& msg) {
	switch (msg.message) {

	case WM_CHAR:	// キー入力
		if (msg.wParam == 27) {
#ifdef _DEBUG
			((BaseProcess*)_pEct->PWorker())->PostMsg(ECTMSG::SOFTWARE_END);
#endif
		}
		mwut::DebugPrintf(_T("Key '%c'\n"), msg.wParam);
		break;

	case (int)ECTMSG::MOVIE_START:
		if (!_pEct->PDSMovie()->PlayMovie(_pEct->PStimulus()->GetMovie())) {
			((BaseProcess*)_pEct->PWorker())->PostMsg(ECTMSG::SYSTEM_ERROR);
		}
		break;

	case (int)ECTMSG::MOVIE_STOP:
		_pEct->PDSMovie()->StopMovie();
		break;

	default:
		//mwut::DebugPrintf(_T("Event %04X\n"), msg.message);
		break;
	}

	return true;
}

// 刺激画像バッファに画像を設定
void ECTrainerGUI::MakeFullDispBuffer(cv::Mat& img) {
	_DispImageHeight = img.rows * IMAGE_WIDTH / img.cols;

	cv::Mat buf(_FullDispBuf.size(), CV_8UC3, cv::Scalar(0));
	cv::Rect roiRect;
	if (img.rows * buf.cols / buf.rows > img.cols) {
		roiRect.width = img.cols * buf.rows / img.rows;
		roiRect.height = buf.rows;
	} else {
		roiRect.width = buf.cols;
		roiRect.height = img.rows * buf.cols / img.cols;
	}
	roiRect.x = (buf.cols - roiRect.width) / 2;
	roiRect.y = (buf.rows - roiRect.height) / 2;
	if (roiRect.x + roiRect.width > buf.cols) roiRect.width = buf.cols - roiRect.x;
	if (roiRect.y + roiRect.height > buf.rows) roiRect.height = buf.rows - roiRect.y;
	cv::Mat roi(buf, roiRect);
	cv::resize(img, roi, roi.size());
	buf.copyTo(_FullDispBuf);
}