"""
Migration script for the job state history table
"""

import datetime
import logging

from sqlalchemy import (
    Column,
    DateTime,
    ForeignKey,
    Integer,
    MetaData,
    String,
    Table,
)

from galaxy.model.custom_types import TrimmedString
from galaxy.model.migrate.versions.util import (
    create_table,
    drop_table,
)

now = datetime.datetime.utcnow
log = logging.getLogger(__name__)
metadata = MetaData()

JobStateHistory_table = Table(
    "job_state_history",
    metadata,
    Column("id", Integer, primary_key=True),
    Column("create_time", DateTime, default=now),
    Column("update_time", DateTime, default=now, onupdate=now),
    Column("job_id", Integer, ForeignKey("job.id"), index=True),
    Column("state", String(64), index=True),
    Column("info", TrimmedString(255)),
)


def upgrade(migrate_engine):
    print(__doc__)
    metadata.bind = migrate_engine
    metadata.reflect()

    create_table(JobStateHistory_table)


def downgrade(migrate_engine):
    metadata.bind = migrate_engine
    metadata.reflect()

    drop_table(JobStateHistory_table)
