from feedgen.feed import FeedGenerator

class Feed(FeedGenerator):
    def __init__(self,ident='root'):
        super().__init__()
        super().add_entry
        self.ident = ident
        self.id(f'http://ebk.euer.krebsco.de/{ident}')
        self.title(f'Ebay Kleinanzeigen Feed {ident}')
        self.author({'name':'Felix Richter', 'email': 'ebk-notify@syntax-fehler.de'})
        self.link( href=f'http://ebk.euer.krebsco.de/{ident}.atom', rel='self' )
        self.subtitle(f'Results for ebay kleinanzeingen for identity {ident}')
        self.language('de')

    def load_cache(self,cache) -> None:
        for item in sorted(cache.store.values(),key= lambda f: f['notify']['creation']):
            fe = self.add_entry(order='prepend')
            available = 'available' if item['notify']['seen'] else 'sold'
            fe.id(f"{item['notify']['url']}#{available}")
            fe.category({'term':item['category']['localized-name']['value']})
            fe.link({'href':item['notify']['url'],'title':'Link to item'})
            fe.pubDate(item['notify']['creation'])
            fe.title(f"{item['title']['value']} {item['notify']['price']}€ ({available})")
            fe.content(f'''
            <a href="{item['notify']['url']}">
                <img src="{item['notify']['image']}" />
            </a>
            <ul>
                <li>Created: {item['notify']['creation'].split("+")[0]}</li>
                <li>Place: {item['notify']['place']} ({item['notify']['distance']} km)</li>
                <li>Filter: {item['notify']['filter-name']}</li>
            </ul>
            <div>
                {item['description']['value']}
            </div>
            ''',type='CDATA')

    def add_article(self,entry) -> None:
        pass

    def to_atom(self) -> str:
        return self.atom_str(pretty=True)

    def to_atom_file(self,filename=None) -> None:
        if not filename:
            filename = f'{self.ident}.atom'
        self.atom_file(filename)