#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"
#include "myOpenCVutil.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)
	, _AppRunning(true)
	, _dsm(NULL)
{
	_dsm = new DShowMovie();
}

// 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) {
		// 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);
		_hWndMain = ::FindWindowA(NULL, WIN_MAIN.c_str());

		// 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);
		_FullDispBuf.create(cv::Size(displays[0].right - displays[0].left,
			displays[0].bottom - displays[0].top), CV_8UC3);
	} else {
		// シングルモニタの場合
		cv::namedWindow(WIN_DISP, cv::WINDOW_AUTOSIZE);
		cv::moveWindow(WIN_DISP, displays[0].left, displays[0].top);
		_FullDispBuf.create(cv::Size(640, 480), CV_8UC3);
		cv::moveWindow(WIN_MAIN, displays[0].left + 100, displays[0].top + 100);
	}
	_blank = cv::Mat(DISP_SIZE, CV_8UC3, cv::Scalar(0));
	_Logo = cv::imread("../images/ECTLogo2_1480l.png");

	return _dsm->InitDx(_pEct->GetInstance(), displays[0]);
}

// 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
	bool isNew = _pEct->PStimulus()->IsNewDisplay();
	cv::Mat dispBuf = _pEct->PStimulus()->GetDisplay().clone();
	if (dispBuf.empty()) dispBuf = _blank;
	if (isNew && !_dsm->IsPlaying()) this->MakeFullDispBuffer(dispBuf);

	// 注視点の表示
	if (_pEct->PEyeTrack()->GetGazeV().x >= 0) {
		cv::circle(sceneBuf, _pEct->PEyeTrack()->GetGazeV(), 10, CV_RGB(0, 0, 255), 2);
	}

	// 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())->Tell(ECTMSG::CALIB_START);
		}
		if (cvui::button(140, 30, "START")) {
			((BaseProcess*)_pEct->PWorker())->Tell(ECTMSG::EXP_START);
		}
		break;
	case APP_STATUS::STIM:
		if (cvui::button(140, 30, "STOP")) {
			if (!_dsm->StopMovie()) _pEct->StopApp();
			((BaseProcess*)_pEct->PWorker())->Tell(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 (_dsm->IsPlaying()) {
		cvui::printf("Movie pos: %.1f", _dsm->GetPlayPos());
	}
	bool snapshot = cvui::button(140, 30, "SNAPSHOT");
	if (cvui::button(140, 30, "QUIT")) _pEct->StopApp();
	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 = 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 = 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") {
			_dsm->StopMovie();
			((BaseProcess*)_pEct->PWorker())->Tell(ECTMSG::MOVIE_STOP);
		} else {
			if (_dsm->PlayMovie(movie)) {
				((BaseProcess*)_pEct->PWorker())->Tell(ECTMSG::MOVIE_START);
			} else {
				_dsm->StopMovie();
				((BaseProcess*)_pEct->PWorker())->Tell(ECTMSG::MOVIE_ERROR);
			}
		}
	}

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

	// キー入力
	int key = cv::waitKey(1);
	switch (key) {
	case '1': PlaySound(_T("../voices/Good_S.wav"), NULL, SND_FILENAME | SND_ASYNC); break;
	case '2': PlaySound(_T("../voices/Nice_S.wav"), NULL, SND_FILENAME | SND_ASYNC); break;
	case '3': PlaySound(_T("../voices/Great_S.wav"), NULL, SND_FILENAME | SND_ASYNC); break;
	case '4': PlaySound(_T("../voices/Excellent_S.wav"), NULL, SND_FILENAME | SND_ASYNC); break;
	case '5': PlaySound(_T("../voices/Good_L.wav"), NULL, SND_FILENAME | SND_ASYNC); break;
	case '6': PlaySound(_T("../voices/Nice_L.wav"), NULL, SND_FILENAME | SND_ASYNC); break;
	case '7': PlaySound(_T("../voices/Great_L.wav"), NULL, SND_FILENAME | SND_ASYNC); break;
	case '8': PlaySound(_T("../voices/Excellent_L.wav"), NULL, SND_FILENAME | SND_ASYNC); break;
	}
	if (key == KEY_ESC) _pEct->StopApp();

	return true;
}

// イベントループ（GUIはメインスレッドのためメッセージ処理しない)
bool ECTrainerGUI::MainLoop() {

	while (_AppRunning && cv::getWindowProperty(WIN_MAIN, 0) >= 0) {
		this->Routine();
	}
	_pEct->StopApp();
	return true;
}

// メッセージ通知（GUIはメインスレッドのため直接処理)
bool ECTrainerGUI::Tell(ECTMSG msg, WPARAM wp, LPARAM lp) {
	if (msg == ECTMSG::QUIT) _AppRunning = false;
	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);
}