#!/usr/bin/perl -w

package SCX::Car;

use strict;

sub new {
	my ($class, $args) = @_;

	my $self = {
		gui => $args->{gui},
		throttle => -1,
		fuel => -1,
		order => $args->{order},
		track => $args->{track},
	};

	bless $self, $class;

	$self->set_throttle(undef);
	$self->set_fuel(undef);

	return $self;
}

sub gui { return shift->{gui}; }

sub track { return shift->{track}; }

sub set_throttle {
	my ($self, $val) = @_;

	return if (!defined $self->{throttle} && !defined $val)
		|| (defined $self->{throttle} && defined $val
			&& $self->{throttle} == $val);

	if ($self->{in_pit_lane} && defined $val && $val > 3) {
		delete $self->{in_pit_lane};
		$self->gui->leave_pit_lane;
	}

	$self->{throttle} = $val;
	$self->gui->set_throttle($self->{order}, $val);
}


sub set_fuel {
	my ($self, $val) = @_;

	return if (!defined $self->{fuel} && !defined $val)
		|| (defined $self->{fuel} && defined $val
			&& $self->{fuel} == $val);

	$self->{fuel} = $val;
	$self->gui->set_fuel($self->{order}, $val);
}

sub set_light {
	# TODO
}

sub set_backbutton {
	# TODO
}

sub set_model {
	my ($self, $name) = @_;

	return if (!defined $self->{car_icon} && !defined $name)
		|| (defined $self->{car_icon} && defined $name
			&& $self->{car_icon} eq $name);

	$self->{car_icon} = $name;
	$self->gui->set_car_icon($self->{order}, $name);
}

sub set_lap {
	my ($self, $lap_nr) = @_;

	return if (!defined $self->{lap} && !defined $lap_nr)
		|| (defined $self->{lap} && defined $lap_nr
			&& $self->{lap} == $lap_nr);

	$self->{lap} = $lap_nr;
	$self->gui->set_lap($self->{order}, defined $lap_nr ? $lap_nr : '--');
}

sub set_laptime {
	my ($self, $lap_time) = @_;

	if (defined $lap_time) {
		$lap_time = sprintf("%.2f", $lap_time);
		if ($lap_time > 1.0 && (
			!$self->{in_pit_lane} && !defined $self->{best_lap}
			|| $self->{best_lap} > $lap_time
			)) {

			$self->{best_lap} = $lap_time;
			my $global = $self->{track}->check_best_lap($lap_time,
				$self->{driver}
			);
			$self->gui->set_best_lap($self->{order}, $lap_time,
				$global);
		}
		
	} else {
		$self->gui->set_best_lap($self->{order}, '--');
		$self->{best_lap} = undef;
	}

	return if (!defined $self->{laptime} && !defined $lap_time)
		|| (defined $self->{laptime} && defined $lap_time
			&& $self->{laptime} == $lap_time);

	$self->{laptime} = $lap_time;

	$self->gui->set_laptime($self->{order}, defined $lap_time
		? $lap_time : '--');
}

sub set_driver {
	my ($self, $driver_name) = @_;

	return if (!defined $self->{driver} && !defined $driver_name)
		|| (defined $self->{driver} && defined $driver_name
			&& $self->{driver} == $driver_name);

	$self->{driver} = $driver_name;
	$self->gui->set_driver($self->{order}, $driver_name || '--');
}

sub enter_pit_lane {
	my ($self) = @_;

	$self->{in_pit_lane} = 1;
	$self->gui->enter_pit_lane;
}

sub set_order {
	my ($self, $pos) = @_;

	$self->{order} = $pos;
	
	$self->gui->set_driver($self->{order}, $self->{driver}
		|| '--');
	$self->gui->set_car_icon($self->{order}, $self->{car_icon});
	$self->gui->set_throttle($self->{order}, $self->{throttle});
	$self->gui->set_lap($self->{order}, defined $self->{lap}
		? $self->{lap} : '--');
	$self->gui->set_laptime($self->{order}, defined $self->{laptime}
		? $self->{laptime} : '--');
	$self->gui->set_best_lap($self->{order}, defined $self->{best_lap}
		? $self->{best_lap} : '--');
	$self->gui->set_fuel($self->{order}, $self->{fuel});
}
	
1;