# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this file,
# You can obtain one at http://mozilla.org/MPL/2.0/.

from datetime import datetime
from dateutil.relativedelta import relativedelta
import json
from libmozdata import utils as lmdutils
import pytz
import six
from . import config, java, models, update
from .logger import logger


def create(date=None, extra={}, hgauthors={}):
    """Clear the current database (if one), create a new one and add everything we need"""
    models.clear()
    if not models.create():
        return
    if not date:
        date = pytz.utc.localize(datetime.utcnow())
    else:
        date = lmdutils.get_date_ymd(date)

    logger.info("Populate with java files: started.")
    try:
        java.populate_java_files()
    except Exception as e:
        logger.error(e, exc_info=True)
        return
    logger.info("Populate with java files: finished.")

    models.HGAuthor.put(hgauthors)

    start_date = date - relativedelta(days=config.get_ndays_of_data())
    logger.info("Create data for {}: started.".format(date))
    for chan in config.get_channels():
        update.put_filelog(chan, start_date=start_date, end_date=date)
        for prod in config.get_products():
            update.update_builds(start_date + relativedelta(days=1), chan, prod)

    if isinstance(extra, six.string_types):
        extra = json.loads(extra)

    for build in extra.get("builds", []):
        update.put_build(*build)

    logger.info("Create data for {}: finished.".format(date))

    update.update_all()