import datetime
import gettext
gettext.install("update-manager")
from gettext import gettext as _



# the day on which the short support HWE stack goes EoL
HWE_EOL_DATE = datetime.date(2016, 8, 4)

# the day on which the next LTS first point release is available
# used to propose a release upgrade
NEXT_LTS_DOT1_DATE = datetime.date(2016, 7, 21)

# end of the month in which this LTS goes EoL
LTS_EOL_DATE = datetime.date(2019, 4, 30)


class Messages:
    UM_UPGRADE = _("""
There is a graphics stack installed on this system. An upgrade to a
configuration supported for the full lifetime of the LTS will become
available on %(date)s and can be installed by running 'update-manager'
in the Dash.
    """) % {'date': NEXT_LTS_DOT1_DATE.isoformat()
           }

    APT_UPGRADE = _("""
To upgrade to a supported (or longer-supported) configuration:

* Upgrade from Ubuntu 14.04 LTS to Ubuntu 16.04 LTS by running:
sudo do-release-upgrade %s

OR

* Switch to the current security-supported stack by running:
sudo apt-get install %s

and reboot your system.""")

    # The fglrx driver was deprecated during the development of 16.04
    FGLRX_DEPRECATION = _(
"""The fglrx driver which you have installed was deprecated in 16.04,
if you install the 16.04 Hardware Enablement stack the driver will be
removed.  See the wiki page for details.
""")

    # this message is shown if there is no clear upgrade path via a
    # meta pkg that we recognize
    APT_SHOW_UNSUPPORTED = _("""
The following packages are no longer supported:
 %s

Please upgrade them to a supported HWE stack or remove them if you
no longer need them.
""")

    HWE_SUPPORTED = _("Your Hardware Enablement Stack (HWE) is "
                      "supported until %(month)s %(year)s.") % {
                          'month': LTS_EOL_DATE.strftime("%B"),
                          'year': LTS_EOL_DATE.year,
                          }

    HWE_SUPPORT_ENDS = _("""
Your current Hardware Enablement Stack (HWE) is going out of support
on %s.  After this date security updates for critical parts (kernel
and graphics stack) of your system will no longer be available.

For more information, please see:
http://wiki.ubuntu.com/1404_HWE_EOL
""") % HWE_EOL_DATE.isoformat()

    HWE_SUPPORT_HAS_ENDED = _("""
WARNING: Security updates for your current Hardware Enablement Stack
ended on %s:
 * http://wiki.ubuntu.com/1404_HWE_EOL
""") % HWE_EOL_DATE.isoformat()