from .server import Server


class PhysicsServer(Server):
    def __init__(self):
        super().__init__()
        self._static = []
        self._dynamic = []

    def register_component(self, component):
        if component.solid:
            if component.static:
                self._static.append(component)
            else:
                self._dynamic.append(component)
        else:
            self._area.append(component)

    def unregister_component(self, component):
        self._static.remove(component)
        self._dynamic.remove(component)

    def step(self):
        for d in self._dynamic:
            for x in range(abs(d.vx)):
                stop = False
                for s in self._static:
                    if s.rect.colliderect(d.rect):
                        stop = True
                        break
                if stop:
                    d.parent.x += -1 if d.vx > 0 else 1
                    d.rect.x = d.parent.x
                    break
                d.parent.x += 1 if d.vx > 0 else -1
                d.rect.x = d.parent.x
            for y in range(abs(d.vy)):
                stop = False
                for s in self._static:
                    if s.rect.colliderect(d.rect):
                        stop = True
                        break
                if stop:
                    d.parent.y += -1 if d.vy > 0 else 1
                    d.rect.y = d.parent.y
                    break
                d.parent.y += 1 if d.vy > 0 else -1
                d.rect.y = d.parent.y
            d.vx = 0
            d.vy = 0