from datetime import datetime
from invoke import task

@task
def test(c):
    '''Run all the provided tests'''
    c.run('poetry run python -m pytest tests/*.py')

@task
def run(c, port=8080, host='127.0.0.1'):
    '''Run a debug server locally'''
    c.run(
        f'poetry run python -m flask run -p {port} -h {host}',
        env={'FLASK_APP': 'lc/main.py'},
    )

@task
def install(c):
    '''Install the listed dependencies into a virtualenv'''
    c.run('poetry install')

@task
def fmt(c):
    status = c.run('git status --porcelain', hide='stdout')
    is_clean = status.stdout.strip() == ''
    c.run("poetry run black $(find . -name '*.py')")

    if is_clean:
        date = datetime.now.isoformat()
        c.run(f"git commit -a -m 'Automatic formatting commit: {date}'")
    else:
        print('Uncommitted change exist; skipping commit')