from django.shortcuts import get_object_or_404, render

from label.models import Artist, Release
import label.tools as tools


def home(request):
    return render(request, "label/home.html")


def artists(request):
    artists = Artist.objects.all()
    context = { "artists": artists }
    return render(request, "label/artists.html", context)


def artist(request, slug):
    artist = get_object_or_404(Artist, slug = slug)
    releases = artist.release_set.all()
    context = { "artist": artist, "releases": releases }
    return render(request, "label/artist.html", context)


def releases(request):
    artists = Artist.objects.all()
    releases = Release.objects.all()

    releases_and_infos = []
    for release in releases:
        release_tag = tools.get_catalog_tag_from_id(release.ident)
        releases_and_infos.append({
            "id": release.id,
            "release_type": release.release_type,
            "tag": release_tag,
            "tag_lower": release_tag.lower(),
            "title": release.title,
            "contribs": tools.get_contribs(release.contributors.all()),
            "year": release.year
        })

    context = { "releases": releases_and_infos }
    return render(request, "label/releases.html", context)


def release(request, tag):
    ident = tools.get_id_from_catalog_tag(tag)
    release = get_object_or_404(Release, ident = ident)
    contribs = tools.get_contribs(release.contributors.all())
    context = { "release": release, "contribs": contribs }
    return render(request, "label/release.html", context)