#!/usr/bin/env python

# -----------------------------------------------------------------------------
# Copyright (c) 2014--, The Qiita Development Team.
#
# Distributed under the terms of the BSD 3-clause License.
#
# The full license is in the file LICENSE, distributed with this software.
# -----------------------------------------------------------------------------

import click

from qiita_db.environment_manager import (
    make_environment, drop_environment, clean_test_environment,
    patch as _patch)
from qiita_core.environment_manager import (
    start_cluster as _start_cluster, stop_cluster as _stop_cluster)
from qiita_core.configuration_manager import ConfigurationManager


_CONFIG = ConfigurationManager()


@click.group()
def env():
    pass


@env.command()
@click.argument('clusters', required=True,
                type=click.Choice(_CONFIG.ipython_contexts),
                nargs=-1)
def start_cluster(clusters):
    """Start a compute environment"""
    for cluster in clusters:
        print "Starting cluster", cluster
        _start_cluster(cluster)


@env.command()
@click.argument('clusters', required=True,
                type=click.Choice(_CONFIG.ipython_contexts),
                nargs=-1)
def stop_cluster(clusters):
    """Stop a compute environment"""
    for cluster in clusters:
        print "Stopping cluster", cluster
        _stop_cluster(cluster)


@env.command()
@click.option('--load-ontologies/--no-load-ontologies',
              default=True, help='If True, ontologies will be loaded. '
              'Cannot be True if this is a test environment.')
@click.option('--download-reference/--no-download-reference',
              default=False, help='If True, greengenes reference files will '
                                  'be downloaded')
@click.option('--add-demo-user/--no-add-demo-user',
              default=False, help='If True, then demo@microbio.me will be '
                                  'added to the database with password '
                                  '"password"')
def make(load_ontologies, download_reference, add_demo_user):
    """Creates the database specified in config"""
    # TODO: use password from config, see issue #363
    # Or figure out a way to use
    # http://click.pocoo.org/3/options/#password-prompts
    # and have it work with Travis...
    make_environment(load_ontologies, download_reference, add_demo_user)


@env.command()
@click.option('--ask-for-confirmation/--no-ask-for-confirmation',
              default=True, help='If True, will ask for confirmation before '
              'dropping the production environment.')
def drop(ask_for_confirmation):
    """Drops the database specified in config"""
    # TODO: use password from config, see issue #363
    # Or figure out a way to use
    # http://click.pocoo.org/3/options/#password-prompts
    # and have it work with Travis...
    drop_environment(ask_for_confirmation)


@env.command()
def clean_test():
    """Cleans the test database environment.

    In case that the test database is dirty (i.e. the 'qiita' schema is
    present), this cleans it up by dropping the 'qiita' schema and rebuilding
    the test database.
    """
    clean_test_environment()


@env.command()
def patch():
    """Patches the database schema based on the SETTINGS table

    Pulls the current patch from the settings table and applies all subsequent
    patches found in the patches directory.
    """
    _patch()


if __name__ == '__main__':
    env()
