#include "main_window.h"
#include "mesh_processing.h"

#include <QApplication>
#include <QFileDialog>


MainWindow::MainWindow(QWidget *parent)
	:QMainWindow(parent),
	 mesh_viewer(this),
	 toolbar(this) {
	connect(&mesh_viewer, &MeshViewer::initialized, this, &MainWindow::meshViewerInitialized);
	setCentralWidget(&mesh_viewer);
	addToolBar(Qt::RightToolBarArea, &toolbar);
	open_action = toolbar.addAction("Ouvrir…", [&](){
		open(QFileDialog::getOpenFileName(this, "Ouvrir un fichier OBJ"));
	});
	// toolbar_actions.append(toolbar.addAction("Fractionner", [&](){
	// 	QVector<QPair<MyMesh::Point, MyMesh>> fragments = shatter(mesh);
	// 	mesh_viewer.removeOpenGLMesh(glm);
	// 	for (auto &[pos, fragment] : fragments) {
	// 		fragment.triangulate();
	// 		QMatrix4x4 mat;
	// 		float scale = 1.2;
	// 		mat.translate(pos[0] * scale, pos[1] * scale, pos[2] * scale);
	// 		mesh_viewer.addOpenGLMeshFromOpenMesh(&fragment, mat);
	// 	}
	// }));
	open_action->setEnabled(false);
	for (QAction *a : toolbar_actions) {
		a->setEnabled(false);
	}
}


void MainWindow::open(const QString &path) {
	OpenMesh::IO::Options options;
	options.set(OpenMesh::IO::Options::VertexColor);
	if (!OpenMesh::IO::read_mesh(mesh, path.toUtf8().constData(), options)) {
		qWarning() << "Failed to read" << path;
		return;
	}
	for (const VertexHandle &vh : mesh.vertices()) {
		mesh.set_color(vh, MyMesh::Color(0, 0, 0));
	}
	if (glm != nullptr) mesh_viewer.removeOpenGLMesh(glm);
 	findHoles(mesh);
	glm = mesh_viewer.addOpenGLMeshFromOpenMesh(&mesh);
	for (QAction *a : toolbar_actions) {
		a->setEnabled(true);
	}
}


void MainWindow::meshViewerInitialized() {
	if (qApp->arguments().size() == 2) {
		open(qApp->arguments().at(1));
	}
	open_action->setEnabled(true);
}