import subprocess

from doit.tools import LongRunning

from dodo_utils import wait_net_service, up2date_anyimages

COMPOSE = 'docker-compose -p feedati'


def task_build():
    '''builda il container docker'''
    return {
        'uptodate': [up2date_anyimages],
        'file_dep': ['docker-compose.yml', 'docker/Dockerfile-tt-rss'],
        'actions': [COMPOSE + ' build'],
        'clean': [remove_build],
    }


def remove_build():
    cmd = "docker container ls -a --format '{{.ID}}\t{{.Names}}'|" \
            "awk '$2 ~ /feedati_/ { print  $$1 }' | " \
            "xargs -r docker container rm",
    subprocess.check_call(cmd, shell=True)


def task_build_rm():
    '''rimuove container avviati'''
    return {'actions': [remove_build]}


def task_build_rmi():
    '''rimuove immagini ottenute con build'''
    return {
        'actions': [
            r"docker images |"
            "awk '$1 ~ /^feedati\// { print $3 }' | xargs -r "
            "docker rmi",
        ]
    }


def task_dump_rm():
    '''rimuove il dump caricato sul db'''
    return {
        'actions': [
            "docker container ls -a --format '{{.ID}}\t{{.Names}}'|"
            "awk '$2 ~ /^feedati_db { print  $$1 }' | "
            "xargs -r docker container rm",

            "docker volume rm feedati_postgres_data || true",
        ]
    }


def task_dump_load():
    '''applica il dump sql al container del db'''
    return {
        'task_dep': ['dump_rm', 'build'],
        'file_dep': ['docker/ttrss.sql'],
        'actions': [
                    (COMPOSE + ' up -d db').split(),
                    r'docker cp ./docker/ttrss.sql '
                    '$(docker ps -qf name=feedati_db):/tmp/ttrss.sql',
                    (wait_net_service, ['localhost', 5432, 300]),
                    r'docker exec -t $(docker ps -qf name=feedati_db) '
                    'su -c "psql -d ttrss < /tmp/ttrss.sql" postgres',
                    'docker exec -t $(docker ps -qf name=feedati_db) '
                    'rm -f /tmp/ttrss.sql',
                    COMPOSE + ' stop',
                    ]
    }


def task_fix_perms():
    '''fix permissions for shared www dir'''
    return {
        'actions': [
            'chmod -R 777 tt-rss/feed-icons/ tt-rss/cache/ tt-rss/lock/'
            .split()
        ]
    }


def task_up():
    return {
        'task_dep': ['build', 'dump_load', 'fix_perms'],
        'actions': [LongRunning(
            (COMPOSE + ' up'),
            shell=True)
        ]
    }


def task_cleanall():
    '''clean everything there is to clean'''
    return {
        'task_dep': ['build_rm', 'build_rmi', 'dump_rm'],
        'actions': None
    }