#include "undocommands.h"
#include "mainwindow.h"
#include "divelist.h"

UndoDeleteDive::UndoDeleteDive(QList<dive *> diveList)
{
	dives = diveList;
	setText("delete dive");
	if (dives.count() > 1)
		setText(QString("delete %1 dives").arg(QString::number(dives.count())));
}

void UndoDeleteDive::undo()
{
	for (int i = 0; i < dives.count(); i++)
		record_dive(dives.at(i));
	mark_divelist_changed(true);
	MainWindow::instance()->refreshDisplay();
}

void UndoDeleteDive::redo()
{
	QList<struct dive*> newList;
	for (int i = 0; i < dives.count(); i++) {
		//make a copy of the dive before deleting it
		struct dive* d = alloc_dive();
		copy_dive(dives.at(i), d);
		newList.append(d);
		//delete the dive
		delete_single_dive(get_divenr(dives.at(i)));
	}
	mark_divelist_changed(true);
	MainWindow::instance()->refreshDisplay();
	dives.clear();
	dives = newList;
}


UndoShiftTime::UndoShiftTime(QList<int> diveList, int amount)
{
	setText("shift time");
	dives = diveList;
	timeChanged = amount;
}

void UndoShiftTime::undo()
{
	for (int i = 0; i < dives.count(); i++) {
		struct dive* d = get_dive_by_uniq_id(dives.at(i));
		d->when -= timeChanged;
	}
	mark_divelist_changed(true);
	MainWindow::instance()->refreshDisplay();
}

void UndoShiftTime::redo()
{
	for (int i = 0; i < dives.count(); i++) {
		struct dive* d = get_dive_by_uniq_id(dives.at(i));
		d->when += timeChanged;
	}
	mark_divelist_changed(true);
	MainWindow::instance()->refreshDisplay();
}