class Regions(object):
    _pixelsEnabled: [] = []
    _regions: [] = []

    def __init__(self, strip_length: int, splitters: []):
        self._length: int = strip_length
        start_pixel = 0
        for i in splitters:
            if i > self._length:
                raise ValueError('splitter out of bounds, you idiot')
            self._regions.append([start_pixel, i + 1, True])
            start_pixel = i + 1

        self._regions.append([start_pixel, self._length, True])
        for i in range(self._length):
            self._pixelsEnabled.append(True)

    def region_switch(self, region_id: int, enabled: bool):
        pixel_region = self._regions[region_id]
        for i in range(pixel_region[0], pixel_region[1]):
            self._pixelsEnabled[i] = enabled
        self._regions[region_id][2] = enabled

    def is_pixel_enabled(self, pixel_id: int):
        return self._pixelsEnabled[pixel_id]
    
    def switch_region(self, region_id: int):
        status: bool = self._regions[region_id][2]
        self.region_switch(region_id, not status)

    def list_region_ids(self):
        result = []
        for i in range(len(self._regions)):
            result.append(i)
        return result