#include "MainController.h"

#include "MainWindow.h"
#include "mapview/model/MapModel.h"
#include "mapview/model/MapModelElement.h"


#include "mapview/2D/tools/ToolSelector.h"
#include "mapview/2D/tools/ToolMoveMap.h"
#include "mapview/2D/tools/ToolMapZoom.h"
#include "mapview/2D/tools/ToolRuler.h"
#include "mapview/2D/tools/ToolMapGrid.h"

#include "params/ElementParamWidget.h"
#include "params/LayerParamWidget.h"
#include "params/ToolBoxWidget.h"
#include "params/ActionWidget.h"

#include "tree/MapTreeModel.h"

#include <QFileDialog>
#include <QTreeView>

#include "mapview/3DGrid/GridRenderer.h"



MainController::MainController() {

	mw = new MainWindow();
	mw->resize(1000, 700);

	MapView2D* mapView2D = mw->getMapView2D();
	MapView3D* mapView3D = mw->getMapView3D();
	QTreeView* layerTree = mw->getTree();


	// model setup
	mapModel = new MapModel();
	mapView2D->setModel(mapModel);
	mapView3D->setModel(mapModel);

	mapTreeModel = new MapTreeModel(mapModel);
	layerTree->setModel(mapTreeModel);

	ToolMoveMap* moveMap = new ToolMoveMap();
	ToolRuler* ruler = new ToolRuler();
	ToolMapZoom* mapZoom = new ToolMapZoom();
	ToolMapGrid* mapGrid = new ToolMapGrid();
	ToolSelector* mapSelector = new ToolSelector();

	mapView2D->getTools().addBackground(mapGrid);
	mapView2D->getTools().addBackground(moveMap);
	mapView2D->getTools().addBackground(mapZoom);
	mapView2D->getTools().addBackground(ruler);

	mapView2D->getTools().setMain(mapSelector);


	//connect(layerTree, SIGNAL(activated(QModelIndex)), this, SLOT(layerSelected(QModelIndex)));
	connect(layerTree->selectionModel(), SIGNAL(currentChanged(QModelIndex, QModelIndex)), this, SLOT(layerSelected(QModelIndex)));

	connect(mapSelector, SIGNAL(onMapElementSelected(MapModelElement*)), this, SLOT(mapElementSelected(MapModelElement*)));
	connect(mw->getMapView2D(), SIGNAL(onElementChange(MV2DElement*)), this, SLOT(curMapElementChanged()));

	// model events
	connect(mapModel, SIGNAL(aboutToReset()), this, SLOT(onMapModelAboutToReset()));
	connect(mapModel, SIGNAL(reset()), this, SLOT(onMapModelReset()));

	// load/save
	connect(mw->getActionWidget(), SIGNAL(onLoad()), this, SLOT(onLoad()));
	connect(mw->getActionWidget(), SIGNAL(onSave()), this, SLOT(onSave()));

	// 3D view change
	connect(mw, SIGNAL(onShow3DFloorplan()), this, SLOT(onShow3DFloorplan()));
	connect(mw, SIGNAL(onShow3DGrid()), this, SLOT(onShow3DGrid()));

	// 3D grid view config
	connect(mw, &MainWindow::onGridNodeColorImp, [&] () {mw->getMapView3D()->getGridRenderer()->setNodeColorMode(GridRendererColorMode::SHOW_NODE_IMPORTANCE);} );
	connect(mw, &MainWindow::onGridNodeColorType, [&] () {mw->getMapView3D()->getGridRenderer()->setNodeColorMode(GridRendererColorMode::SHOW_NODE_TYPE);} );
	connect(mw, &MainWindow::onGridShowEdges, [&] (const bool show) {mw->getMapView3D()->getGridRenderer()->setShowEdges(show);} );


	//mapModel->load("../IndoorMap/maps/SHL21.xml");
	//mapModel->load("../IndoorMap/maps/test.xml");

	//mapModel->load("/mnt/data/workspaces/IPIN2016/IPIN2016/competition/maps/CAR/CAR9.xml");
	//mapModel->load("/mnt/data/workspaces/IPIN2016/IPIN2016/competition/maps/UAH/UAH7_test.xml");
	mapModel->load("/mnt/data/workspaces/IPIN2016/IPIN2016/competition/maps/UJI-TI/UJI-TI4.xml");

}

void MainController::onShow3DFloorplan() {
	mw->getMapView3D()->showFloorplan();
}

void MainController::onShow3DGrid() {
	mw->getMapView3D()->showGrid();
}

void MainController::layerSelected(QModelIndex idx) {
	mw->getMapView2D()->layerChange();
	MapLayer* ml = static_cast<MapLayer*>(idx.internalPointer());
	mapModel->setSelectedLayer(ml);
	mw->getMapView2D()->layerChange();
	mw->getMapView3D()->layerChange();
	mw->getLayerParamWidget()->setElement(ml);
	mw->getToolBoxWidget()->setSelectedLayer(ml);
}

void MainController::curMapElementChanged() {
	mw->getElementParamWidget()->refresh();
}

void MainController::mapElementSelected(MapModelElement* el) {
	mw->getElementParamWidget()->setElement(el);
}

void MainController::onMapModelAboutToReset() {
	mw->getLayerParamWidget()->setElement(nullptr);
	mw->getToolBoxWidget()->setSelectedLayer(nullptr);
	mw->getMapView2D()->update();
}

void MainController::onMapModelReset() {
	mw->getTree()->expandAll();
}

void MainController::onLoad() {

	QString file = QFileDialog::getOpenFileName(mw, "open a map");
	if (file != "") {
		mapModel->load(file.toStdString());
	}
}

void MainController::onSave() {

	QString file = QFileDialog::getSaveFileName(mw, "save the map");
	if (file != "") {
		mapModel->save(file.toStdString());
	}

}