#!/usr/bin/env python3

"""
This tool is for updating API key field `zuliprc` files of dummy users
in development environment, with the correct keys from the database.
Ensure running this outside of vagrant environment.
Usage:
./tools/update-zuliprc-api-field /path/to/zuliprc_dev
"""

import argparse
import configparser
import os
import shlex
import subprocess
import sys

ZULIP_PATH = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
sys.path.insert(0, ZULIP_PATH)
from scripts.lib.zulip_tools import is_vagrant_env_host

parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument(
    "path", metavar="FILE", nargs="+", help="config file of dummy users in development server"
)
args = parser.parse_args()

zuliprc_paths_list = args.path
for zuliprc_path in zuliprc_paths_list:
    zuliprc = configparser.ConfigParser()
    result = ""
    try:
        with open(zuliprc_path) as f:
            zuliprc.read_file(f, zuliprc_path)
        api_details = zuliprc["api"]
        email = api_details["email"]
        key = api_details["key"]
        site = api_details["site"]
        if "localhost" not in site:
            result = "ABORTED"
            reason = "Script to be used for development server config files only"
    except (KeyError, configparser.MissingSectionHeaderError):
        result = "FAILURE"
        reason = "Could not parse file due to missing required fields/sections"
    except FileNotFoundError:
        result = "ABORTED"
        reason = "No zuliprc file found at specified path"

    if result not in ("ABORTED", "FAILURE"):
        # Make sure the cwd is the root of Zulip checkout.
        os.chdir(ZULIP_PATH)

        if is_vagrant_env_host(ZULIP_PATH):
            arguments = [
                "vagrant",
                "ssh",
                "--command",
                "./manage.py print_initial_password " + shlex.quote(email),
            ]
        else:
            # Support users who don't have vagrant based setup
            arguments = ["./manage.py", "print_initial_password", email]
        # We redirect 'stderr' to 'stdout' to avoid 'Connection to 127.0.0.1 closed'
        # appearing after this script finishes.
        output = subprocess.check_output(
            arguments, stderr=subprocess.STDOUT, universal_newlines=True
        )
        new_key = output.split()[6]

        if new_key != key:
            try:
                zuliprc.set("api", "key", new_key)
                with open(zuliprc_path, "w+") as w:
                    zuliprc.write(w)
                result = "SUCCESS"
                reason = f"API field updated for user {email}"
            except OSError:
                result = "FAILURE"
                reason = "Writing to file unsuccessful"
        else:
            result = "SUCCESS"
            reason = f"API key for user {email} is already consistent"
    print(f"{zuliprc_path}: {result}: {reason}")