import logging

from sqlalchemy import *
from rhodecode.model import meta
from rhodecode.lib.dbmigrate.versions import _reset_base, notify

log = logging.getLogger(__name__)


def upgrade(migrate_engine):
    """
    Upgrade operations go here.
    Don't create your own engine; bind migrate_engine to your metadata
    """
    _reset_base(migrate_engine)
    from rhodecode.lib.dbmigrate.schema import db_4_7_0_1 as db

    pull_request = db.PullRequest.__table__
    pull_request_version = db.PullRequestVersion.__table__

    reviewer_data_1 = Column(
        'reviewer_data_json',
        db.JsonType(dialect_map=dict(mysql=UnicodeText(16384))))
    reviewer_data_1.create(table=pull_request)

    reviewer_data_2 = Column(
        'reviewer_data_json',
        db.JsonType(dialect_map=dict(mysql=UnicodeText(16384))))
    reviewer_data_2.create(table=pull_request_version)

    fixups(db, meta.Session)


def downgrade(migrate_engine):
    meta = MetaData()
    meta.bind = migrate_engine


def fixups(models, _SESSION):
    pass