#!/usr/bin/env python
import os, sys

from backend.models import Permission, Group

sys.path.append(os.path.join(os.path.dirname(__file__), os.path.pardir))
import os
import unittest
import coverage



from flask_script import Manager
from flask_migrate import Migrate, MigrateCommand

from backend import app, db

COV = coverage.coverage(
    branch=True,
    include='app/*',
    omit=[
        'app/tests/*',
        'app/server/config.py',
        'app/server/*/__init__.py'
    ]
)
COV.start()

migrate = Migrate(app, db)
manager = Manager(app)

# migrations
manager.add_command('db', MigrateCommand)


@manager.command
def test():
    """Runs the unit tests without test coverage."""
    tests = unittest.TestLoader().discover('tests', pattern='test*.py')
    result = unittest.TextTestRunner(verbosity=2).run(tests)
    if result.wasSuccessful():
        return 0
    return 1


@manager.command
def cov():
    """Runs the unit tests with coverage."""
    tests = unittest.TestLoader().discover('app/tests')
    result = unittest.TextTestRunner(verbosity=2).run(tests)
    if result.wasSuccessful():
        COV.stop()
        COV.save()
        print('Coverage Summary:')
        COV.report()
        basedir = os.path.abspath(os.path.dirname(__file__))
        covdir = os.path.join(basedir, 'tmp/coverage')
        COV.html_report(directory=covdir)
        print('HTML version: file://%s/index.html' % covdir)
        COV.erase()
        return 0
    return 1


def insert_initial_groups():
    print("DB: inserting default groups:")
    for g in app.config.get("GROUPS", []):
        print(g['name'])
        g_permissions = g.pop('permissions', [])
        g['permissions'] = Permission.get_by_names(g_permissions)
        db.session.add(Group(**g))
    db.session.commit()


@manager.command
def recreate_db():
    """Drops the db tables."""
    db.drop_all()
    """Creates the db tables."""
    db.create_all()
    insert_initial_groups()


@manager.command
def create_db():
    """Creates the db tables."""
    db.create_all()
    insert_initial_groups()


@manager.command
def drop_db():
    """Drops the db tables."""
    db.drop_all()


if __name__ == '__main__':
    manager.run()