from torch import nn

from ._common_types import size_2_t


class ActivatedConv2d(nn.Sequential):

    def __init__(self, in_channels: int, out_channels: int, kernel_size: size_2_t,
                 stride: size_2_t = 1, padding: size_2_t = 0, bn: bool = False,
                 activation: nn.Module = nn.ReLU):
        super().__init__(
            nn.BatchNorm2d(in_channels) if bn else nn.Identity(),
            nn.Conv2d(in_channels, out_channels, kernel_size=kernel_size, stride=stride, padding=padding),
            activation(),
        )