import click
from taskw import TaskWarrior
from todoist.api import TodoistAPI

todoist = None
taskwarrior = None

""" CLI Commands """

@click.group()
@click.option('--todoist-api-key', envvar='TODOIST_API_KEY', required=True)
def cli(todoist_api_key):
    # Just do some initialization
    global todoist
    global taskwarrior
    todoist = TodoistAPI(todoist_api_key)
    taskwarrior = TaskWarrior()


@cli.command()
@click.option('-i', '--interactive', default=False)
def migrate(interactive):
    important('Starting migration...')
    # todoist.sync()
    tasks = todoist.items.all()

    info(f'Todoist tasks: {len(todoist.items.all())}')
    for task in todoist.items.all():
        add_task(task)


def add_task(todoist_task):
    """Add a taskwarrior task from todoist task

    Returns the taskwarrior task.
    """
    tid = todoist_task['id']
    name = todoist_task['content']

    info(f"Importing '{name}' (ID: {tid})  - ", nl=False)
    try:
        tw_task = taskwarrior.task_add(name)
    except:
        error('FAILED')
    else:
        success('OK')
    return tw_task


""" Utils """

def important(msg, **kwargs):
    click.echo(click.style(msg, fg='blue', bold=True), **kwargs)

def info(msg, **kwargs):
    click.echo(msg, **kwargs)

def success(msg, **kwargs):
    click.echo(click.style(msg, fg='green', bold=True))

def error(msg, **kwargs):
    click.echo(click.style(msg, fg='red', bold=True))


""" Entrypoint """

if __name__ == '__main__':
    cli()