import click
import subprocess as sp
import os
import shutil

from app.helper import clone_common, clone_etcd_wrapper, install_available


@click.group()
def scheduler():
    pass


@scheduler.command("setup")
@click.option("--path", required=True)
@click.option("--vm_prefix", required=True)
@click.option("--host_prefix", required=True)
@click.option("--request_prefix", required=True)
@click.option("--etcd_url", required=True)
def setup(path, vm_prefix, host_prefix, request_prefix, etcd_url):
    os.chdir(path)

    repo_name = "ucloud-scheduler"

    # Clone main repo
    sp.check_output(['git', 'clone',
                    f'https://code.ungleich.ch/ungleich-public/{repo_name}.git'])

    # Create .env file
    with open(os.path.join(repo_name, ".env"), "w") as f:
        content = (
            f"VM_PREFIX={vm_prefix}\n"
            f"HOST_PREFIX={host_prefix}\n"
            f"REQUEST_PREFIX={request_prefix}\n"
            f"ETCD_URL={etcd_url}\n"
        )
        f.writelines(content)

    # Clone Common and Etcd Wrapper
    clone_common(path=repo_name)
    clone_etcd_wrapper(path=repo_name)

    # Copy Etcd Wrapper inside ucloud_common as ucloud_common
    # also needs etcd wrapper
    shutil.copytree(
        src=os.path.join(repo_name, "etcd3_wrapper"),
        dst=os.path.join(repo_name, "ucloud_common", "etcd3_wrapper"),
    )
    
    install_available(os.path.join(repo_name, "Pipfile"))
    
    # Create virtualenv with site-packages enabled and install all dependencies
    sp.check_output(['pipenv','--site-packages', '--python', '3'], cwd=repo_name)
    sp.check_output(['pipenv', 'install'], cwd=repo_name)