import os
import paddle.nn as nn
from .skyfilter import SkyFilter
from paddlehub.module.module import moduleinfo


@moduleinfo(
    name="SkyAR",
    type="CV/Video_editing",
    author="jm12138",
    author_email="",
    summary="SkyAR",
    version="1.0.0"
)
class SkyAR(nn.Layer):
    def __init__(self, model_path=None):
        super(SkyAR, self).__init__()
        self.imgs = ['cloudy', 'district9ship', 'floatingcastle',
                     'galaxy', 'jupiter', 'rainy', 'sunny', 'sunset', 'supermoon']
        self.videos = ['thunderstorm']
        if model_path:
            self.model_path = model_path
        else:
            self.model_path = os.path.join(self.directory, './ResNet50FCN')

    def MagicSky(
        self, video_path, save_path, config='jupiter',
        is_rainy=False, preview_frames_num=0, is_video_sky=False, is_show=False,
        skybox_img=None, skybox_video=None, rain_cap_path=None,
        halo_effect=True, auto_light_matching=False,
        relighting_factor=0.8, recoloring_factor=0.5, skybox_center_crop=0.5
    ):
        if config in self.imgs:
            skybox_img = os.path.join(
                self.directory, 'skybox', '%s.jpg' % config)
            skybox_video = None
            is_video_sky = False
        elif config in self.videos:
            skybox_img = None
            skybox_video = os.path.join(
                self.directory, 'skybox', '%s.mp4' % config)
            is_video_sky = True
        elif skybox_img:
            is_video_sky = False
            skybox_video = None
        elif is_video_sky and skybox_video:
            skybox_img = None
        else:
            raise 'please check your configs'

        if not rain_cap_path:
            rain_cap_path = os.path.join(
                self.directory, 'rain_streaks', 'videoplayback.mp4')

        skyfilter = SkyFilter(
            model_path=self.model_path,
            video_path=video_path,
            save_path=save_path,
            in_size=(384, 384),
            halo_effect=halo_effect,
            auto_light_matching=auto_light_matching,
            relighting_factor=relighting_factor,
            recoloring_factor=recoloring_factor,
            skybox_center_crop=skybox_center_crop,
            rain_cap_path=rain_cap_path,
            skybox_img=skybox_img,
            skybox_video=skybox_video,
            is_video=is_video_sky,
            is_rainy=is_rainy,
            is_show=is_show
        )

        skyfilter.run(preview_frames_num)