import click
from keep import cli, utils
import os


@click.command('edit', short_help='Edit a saved command.')
@click.option('--editor', help='Editor to use')
@cli.pass_context
def cli(ctx, editor):
    """Edit saved commands."""
    commands = utils.read_commands()
    if commands is None:
        click.echo("No commands to edit, Add one by 'keep new'. ")
    else:
        edit_header = "# Unchanged file will abort the operation\n"
        new_commands = utils.edit_commands(commands, editor, edit_header)
        if new_commands and new_commands != commands:
            click.echo("Replace:\n")
            click.secho("\t{}".format('\n\t'.join(utils.format_commands(commands))),
                        fg="green")
            click.echo("With:\n\t")
            click.secho("\t{}".format('\n\t'.join(utils.format_commands(new_commands))),
                        fg="green")
            if click.confirm("", default=False):
                utils.write_commands(new_commands)
        elif new_commands == {}:
            dir_path = os.path.join(os.path.expanduser('~'), '.keep')
            json_path = os.path.join(dir_path, 'commands.json')
            if click.confirm('Delete all commands ?', abort=True):
                os.remove(json_path)