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#include "example.h"
int MotorCar::DesignOpinion::AceDesignCount = 0;
int MotorCar::DesignOpinion::TotalDesignCount = 0;
int MotorCar::DesignOpinion::PercentScore() {
return AceDesignCount*100/TotalDesignCount;
}
MotorCar::Wheels::Wheels(Shape shape, size_t count) : shape(shape), count(count) {}
MotorCar::WindScreen::WindScreen(bool opaque) : opaque(opaque) {}
MotorCar::MotorCar(const std::string &name, const Wheels &wheels, const WindScreen &windscreen) : name(name), wheels(wheels), windscreen(windscreen) {}
MotorCar MotorCar::DesignFromComponents(const std::string &name, const Wheels &wheels, const WindScreen &windscreen) {
MotorCar car = MotorCar(name, wheels, windscreen);
DesignOpinion::TotalDesignCount++;
if (car.wheels.Opinion().itrocks && car.windscreen.Opinion().itrocks)
DesignOpinion::AceDesignCount++;
return car;
}
MotorCar::DesignOpinion MotorCar::Wheels::Opinion() {
DesignOpinion opinion;
opinion.itrocks = true;
if (shape == Square) {
opinion.itrocks = false;
opinion.reason = "you'll have a few issues with wheel rotation";
}
if (count <= 2) {
opinion.reason += opinion.itrocks ? "" : " and ";
opinion.itrocks = false;
opinion.reason += "a few more wheels are needed for stability";
}
if (opinion.itrocks)
opinion.reason = "your choice of wheels was top notch";
return opinion;
}
MotorCar::DesignOpinion MotorCar::WindScreen::Opinion() {
DesignOpinion opinion;
opinion.itrocks = !opaque;
opinion.reason = opinion.itrocks ? "the driver will have a commanding view out the window" : "you can't see out the windscreen";
return opinion;
}
std::string MotorCar::WillItWork() {
DesignOpinion wh = wheels.Opinion();
DesignOpinion ws = windscreen.Opinion();
std::string willit;
if (wh.itrocks && ws.itrocks) {
willit = "Great car design because " + wh.reason + " and " + ws.reason;
} else {
willit = "You need a rethink because ";
willit += wh.itrocks ? "" : wh.reason;
willit += (!wh.itrocks && !ws.itrocks) ? " and " : "";
willit += ws.itrocks ? "" : ws.reason;
}
return willit;
}
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