# Default release is 'current'
config.release = 'current'
config.project_name = 'nursinghomes'
config.django_revision = 'XXXXX'
config.newsapps_revision = 'XXXXXXX'
config.database_password = 'XXXXXXX'

def production():
    """Production server settings"""
    config.settings = 'production'
    config.path = '/home/XXXXXX/sites/%s' % config.project_name
    config.fab_hosts = ['apps.chicagotribune.com']
    config.fab_user = 'XXXXXX'

def staging():
    """Staging server settings"""
    config.settings = 'staging'
    config.path = '/home/XXXXXX/sites/%s' % config.project_name
    config.fab_hosts = ['beta.tribapps.com'] # will eventually want something more generic
    config.fab_user = 'XXXXXX'

def setup():
    """
    Setup a fresh virtualenv, install everything we need, and fire up the database
    """
    #using a hybrid environment -- keeping our own django in virtualenv, using the rest of the geostack, etc, from main python install
    #so, it's a virtualenv, but it's not a no-site-packages virtualenv.
    run('mkdir -p $(path); cd $(path); virtualenv env; mkdir releases; mkdir shared; mkdir logs;')
    clone_repo()
    checkout_latest()
    symlink_current_release()
    initdata()
    install_requirements()
    install_apache_conf()

def deploy():
    """Deploy the latest version of the site to the server and restart lighttpd"""
    checkout_latest()
    symlink_current_release()
    reboot()

def clone_repo():
    """Do initial clone of the git repo"""
    run('cd $(path); git clone git@tribune.unfuddle.com:tribune/$(project_name).git repository')

def checkout_latest():
    """Pull the latest code into the git repo and copy to a timestamped release directory"""
    import time
    config.release = time.strftime('%Y%m%d%H%M%S')
    run("cd $(path)/repository; git pull origin master")
    run('cp -R $(path)/repository $(path)/releases/$(release); rm -rf $(path)/releases/$(release)/.git*')

def install_requirements():
    """Install the required packages using pip"""
    #we don't have any packages to install to our virtualenv, they're all on the box
    #run('cd $(path); pip install -E env -r ./releases/$(release)/requirements.txt')
    run('cd $(path); svn export -r$(django_revision) http://code.djangoproject.com/svn/django/trunk/django $(path)/env/lib/python2.5/site-packages/django;')
    # I hate this
    run('cd $(path); mkdir tmp; source env/bin/activate; cd tmp; git clone git@tribune.unfuddle.com:tribune/XXXXXX.git; cd XXXXXX; git checkout $(XXXXXX_revision); python setup.py install; cd $(path); rm -Rf tmp; deactivate;')

def install_apache_conf():
    """Install the apache site config file"""
    sudo('cp $(path)/releases/current/$(project_name)/configs/$(settings)/$(project_name) /etc/apache2/sites-available/; a2ensite $(project_name);')

def symlink_current_release():
    """Symlink our current release, uploads and settings file"""
    run('cd $(path); rm releases/current; ln -s $(release) releases/current')

def initdata():
    """
    Create the database, and load with data.
    
    We have to load the dump.sql as a superuser because it includes c functions
    (postgis functions). The finish_init.sql makes sure the right user owns everything
    """
    run('echo "CREATE USER $(project_name) WITH PASSWORD \'$(database_password)\';" | psql postgres')
    run('createdb -O $(project_name) $(project_name) -T template_postgis')
    run('cd $(path)/releases/current; psql -q $(project_name) < data/psql/dump.sql')
    run('cd $(path)/releases/current; psql -q $(project_name) < data/psql/finish_init.sql')

def load_new_data():
    run('dropdb $(project_name)')
    run('dropuser $(project_name)')
    initdata()

def echo_host():
    run('echo $(settings); echo $(fab_hosts)')
    
def reboot():
    "Reboot Apache2 server and memcached."
    sudo("apache2ctl graceful")
    
def clear_cache():
    sudo("/etc/init.d/memcached restart")

def shiva_the_destroyer():
    """Remove all traces of the app"""
    run('rm -Rf $(path)')
    run('dropdb $(project_name)')
    run('dropuser $(project_name)')
    sudo('a2dissite $(project_name)')
    sudo('rm /etc/apache2/sites-available/$(project_name)')
    sudo("apache2ctl graceful")