import logging

from flask import Blueprint, render_template
from pillar.api.utils import jsonify

blueprint = Blueprint('attract', __name__)
log = logging.getLogger(__name__)


@blueprint.route('/')
def index():
    return render_template('attract/index.html')


@blueprint.route('/subversion/kick')
def subversion_kick():
    from . import subversion

    # TODO: each project should have its own SVN server.
    svn_server_url = 'svn://localhost/agent327'
    log.info('Re-examining SVN server %s', svn_server_url)
    client = subversion.obtain(svn_server_url)

    # TODO: last_seen_revision should be stored, probably at the project level.
    last_seen_revision = 0
    observer = subversion.CommitLogObserver(client, last_seen_revision=last_seen_revision)
    observer.fetch_and_observe()

    return jsonify({
        'previous_last_seen_revision': last_seen_revision,
        'last_seen_revision': observer.last_seen_revision,
    })