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## Copyright (C) 2019 Luxoft Sweden AB
## Copyright (C) 2018 Pelagicore AG
## Contact: https://www.qt.io/licensing/
##
## This file is part of the Neptune Deployment Server
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#############################################################################

import argparse

from django.core.management.base import BaseCommand, CommandError
from django.core.files.base import ContentFile
from store.models import Category, Vendor, savePackageFile
from store.utilities import parseAndValidatePackageMetadata


class Command(BaseCommand):
    help = 'Uploads a package to the deployment server. This can be used for batch uploading.'

    def add_arguments(self, parser):
        parser.add_argument('--vendor',
                            action='store',
                            type=str,
                            dest='vendor',
                            help='Vendor name')
        parser.add_argument('--category',
                            action='store',
                            type=str,
                            dest='category',
                            help='Category name')
        parser.add_argument('--description',
                            action='store',
                            type=str,
                            dest='description',
                            default="Empty description",
                            help='Short package description')
        parser.add_argument('package',
                            metavar='package',
                            type=argparse.FileType('rb'),
                            nargs=1,
                            help='package file to upload')


    def handle(self, *args, **options):
        category = Category.objects.all().filter(name__exact=options['category'])
        vendor = Vendor.objects.all().filter(name__exact=options['vendor'])
        if not category:
            raise CommandError('Non-existing category specified')
        if not vendor:
            raise CommandError('Non-existing vendor specified')

        try:
            self.stdout.write('Parsing package %s' % options['package'][0].name)
            packagefile = options['package'][0]
            pkgdata = parseAndValidatePackageMetadata(packagefile)
            self.stdout.write('  -> passed validation (internal name: %s)\n' % pkgdata['storeName'])
        except Exception as error:
            self.stdout.write('  -> failed: %s\n' % str(error))
            return 0

        packagefile.seek(0)
        description = options['description']
        try:
            package_metadata = {'category': category[0],
                                'vendor': vendor[0],
                                'description': description,
                                'short_description': description}
            savePackageFile(pkgdata, ContentFile(packagefile.read()), package_metadata)
        except Exception as error:
            raise CommandError(error)
        return 0