// SPDX-License-Identifier: GPL-2.0
#ifndef DIVEPLANNERMODEL_H
#define DIVEPLANNERMODEL_H

#include <QAbstractTableModel>
#include <QDateTime>
#include <memory>
#include <vector>

#include "core/deco.h"
#include "core/divemode.h"
#include "core/planner.h"
#include "qt-models/cylindermodel.h"

class DivePlannerPointsModel : public QAbstractTableModel {
	Q_OBJECT
public:
	static DivePlannerPointsModel *instance();
	enum Sections {
		REMOVE,
		DEPTH,
		DURATION,
		RUNTIME,
		GAS,
		CCSETPOINT,
		DIVEMODE,
		COLUMNS,
	};
	enum Mode {
		NOTHING,
		PLAN,
		EDIT,
	};
	int columnCount(const QModelIndex &parent = QModelIndex()) const override;
	QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
	int rowCount(const QModelIndex &parent = QModelIndex()) const override;
	QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
	bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
	Qt::ItemFlags flags(const QModelIndex &index) const override;
	void gasChange(const QModelIndex &index, int newcylinderid);
	void cylinderRenumber(int mapping[]);
	void removeSelectedPoints(const std::vector<int> &rows);
	void setPlanMode(Mode mode);
	bool isPlanner() const;
	void createSimpleDive(struct dive *d);
	Mode currentMode() const;
	bool tankInUse(int cylinderid) const;
	CylindersModel *cylindersModel();

	int ascrate75Display() const;
	int ascrate50Display() const;
	int ascratestopsDisplay() const;
	int ascratelast6mDisplay() const;
	int descrateDisplay() const;
	int getSurfacePressure() const;
	int gfLow() const;
	int gfHigh() const;

	/**
	 * @return the row number.
	 */
	void editStop(int row, divedatapoint newData);
	divedatapoint at(int row) const;
	struct diveplan &getDiveplan();
	struct deco_state final_deco_state;

	void loadFromDive(dive *d, int dcNr);
	void addStop(int millimeters, int seconds);
public
slots:
	void addDefaultStop();
	void addCylinder_clicked();
	void setGFHigh(const int gfhigh);
	void setGFLow(const int gflow);
	void setVpmbConservatism(int level);
	void setSurfacePressure(int pressure);
	void setSalinity(int salinity);
	void setBottomSac(double sac);
	void setDecoSac(double sac);
	void setStartTime(const QTime &t);
	void setStartDate(const QDate &date);
	void setLastStop6m(bool value);
	void setDropStoneMode(bool value);
	void setVerbatim(bool value);
	void setDisplayRuntime(bool value);
	void setDisplayDuration(bool value);
	void setDisplayTransitions(bool value);
	void setDisplayVariations(bool value);
	void setDecoMode(int mode);
	void setSafetyStop(bool value);
	void savePlan();
	void saveDuplicatePlan();
	void remove(const QModelIndex &index);
	void removeControlPressed(const QModelIndex &index);
	void cancelPlan();
	void removeDeco();
	void deleteTemporaryPlan();
	void emitDataChanged();
	void setRebreatherMode(int mode);
	void setReserveGas(int reserve);
	void setSwitchAtReqStop(bool value);
	void setMinSwitchDuration(int duration);
	void setSurfaceSegment(int duration);
	void setSacFactor(double factor);
	void setProblemSolvingTime(int minutes);
	void setAscrate75Display(int rate);
	void setAscrate50Display(int rate);
	void setAscratestopsDisplay(int rate);
	void setAscratelast6mDisplay(int rate);
	void setDescrateDisplay(int rate);

signals:
	void planCreated();
	void planCanceled();
	void cylinderModelEdited();
	void recreationChanged(bool);
	void calculatedPlanNotes(QString);
	void variationsComputed(QString);

private:
	explicit DivePlannerPointsModel(QObject *parent = 0);
	void clear();
	int addStop(int millimeters, int seconds, int cylinderid_in, int ccpoint, bool entered, enum divemode_t);
	void removePoints(const std::vector<int> &rows);
	void setupStartTime();
	void setupCylinders();
	int lastEnteredPoint() const;
	bool updateMaxDepth();
	void createPlan(bool replanCopy);
	void updateDiveProfile(); // Creates a temporary plan and updates the dive profile with it.
	void createTemporaryPlan();
	struct diveplan diveplan;
	struct divedatapoint *cloneDiveplan(struct diveplan *plan_src, struct diveplan *plan_copy);
	void computeVariationsDone(QString text);
	void computeVariations(struct diveplan *diveplan, const struct deco_state *ds);
	void computeVariationsFreeDeco(struct diveplan *diveplan, std::unique_ptr<struct deco_state> ds);
	int analyzeVariations(struct decostop *min, struct decostop *mid, struct decostop *max, const char *unit);
	struct dive *d;
	int dcNr;
	CylindersModel cylinders;
	Mode mode;
	QVector<divedatapoint> divepoints;
	QDateTime startTime;
	int instanceCounter = 0;
	struct deco_state ds_after_previous_dives;
	duration_t preserved_until;
};

#endif