__license__ = 'MIT License <http://www.opensource.org/licenses/mit-license.php>'
__author__ = 'Lucas Theis <lucas@theis.io>'
__docformat__ = 'epytext'

from django.shortcuts import render

from ..models import Publication
from ..utils import populate


def year(request, year=None):
    years = []
    publications = Publication.objects.select_related()
    if year:
        publications = publications.filter(year=year, external=False)
    else:
        publications = publications.filter(external=False)
    publications = publications.order_by('-year', '-month', '-id')

    for publication in publications:
        if publication.type.hidden:
            continue
        if not years or (years[-1][0] != publication.year):
            years.append((publication.year, []))
        years[-1][1].append(publication)

    if 'plain' in request.GET:
        return render(request, 'publications_bootstrap/export/publications.txt', {
            'publications': sum([y[1] for y in years], [])
        }, content_type='text/plain; charset=UTF-8')

    if 'bibtex' in request.GET:
        return render(request, 'publications_bootstrap/export/publications.bib', {
            'publications': sum([y[1] for y in years], [])
        }, content_type='text/x-bibtex; charset=UTF-8')

    if 'mods' in request.GET:
        return render(request, 'publications_bootstrap/export/publications.mods', {
            'publications': sum([y[1] for y in years], [])
        }, content_type='application/xml; charset=UTF-8')

    if 'ris' in request.GET:
        return render(request, 'publications_bootstrap/export/publications.ris', {
            'publications': sum([y[1] for y in years], [])
        }, content_type='application/x-research-info-systems; charset=UTF-8')

    if 'rss' in request.GET:
        return render(request, 'publications_bootstrap/export/publications.rss', {
            'url': 'http://' + request.get_host() + request.path,
            'publications': sum([y[1] for y in years], [])
        }, content_type='application/rss+xml; charset=UTF-8')

    # load custom links and files
    populate(publications)

    return render(request, 'publications_bootstrap/pages/years.html', {
        'publications': publications,
        'years': years
    })
