from os import PathLike
from pathlib import PurePosixPath
from typing import IO, DefaultDict, Optional, Set, Union
from urllib.parse import urlparse

import repub.utils
from repub.exporters import RssExporter
from scrapy.pipelines.images import FilesPipeline as BaseFilesPipeline
from scrapy.pipelines.images import ImagesPipeline as BaseImagesPipeline


class ImagePipeline(BaseImagesPipeline):
    def file_path(self, request, response=None, info=None, *, item=None):
        return repub.utils.local_image_path(request.url)

    def thumb_path(self, request, thumb_id, response=None, info=None, *, item=None):
        raise NotImplementedError()


class FilePipeline(BaseFilesPipeline):
    def file_path(self, request, response=None, info=None, *, item=None):
        return repub.utils.local_file_path(request.url)


class AudioPipeline(BaseFilesPipeline):
    def __init__(self, store_uri: Union[str, PathLike], **kwargs):
        self.FILES_URLS_FIELD = "audio_urls"
        self.FILES_RESULT_FIELD = "audios"
        store_uri = kwargs["settings"]["AUDIO_STORE"]
        super().__init__(store_uri, **kwargs)

    def file_path(self, request, response=None, info=None, *, item=None):
        return repub.utils.local_audio_path(request.url)


class VideoPipeline(BaseFilesPipeline):
    def __init__(self, store_uri: Union[str, PathLike], **kwargs):
        self.FILES_URLS_FIELD = "video_urls"
        self.FILES_RESULT_FIELD = "videos"
        store_uri = kwargs["settings"]["VIDEO_STORE"]
        super().__init__(store_uri, **kwargs)

    def file_path(self, request, response=None, info=None, *, item=None):
        return repub.utils.local_video_path(request.url)