# -*- coding: utf-8 -*-

import re, os
from argparse import Namespace, ArgumentParser
from urllib.parse import urlparse

from ...lib.log import *
from ...lib.util import run_cmd
from ..Cmd import Cmd
from ..CmdProjects import CmdProjects

class CmdGetAuthInfo(Cmd): # export

    def __init__(self, parent: CmdProjects) -> None:
        super().__init__(parent, 'get-auth-info', help='Try to retrieve authentication information from the source tree')

    def add_arguments(self, parser: ArgumentParser) -> None:
        super().add_arguments(parser)
        parser.add_argument('--only-values', default=False, action='store_true',
                            help='Don\'t prefix values by "<field-name>="')
        parser.add_argument('--username', default=False, action='store_true',
                            help='Show user name')
        parser.add_argument('--password', default=False, action='store_true',
                            help='Show password')
        parser.add_argument('--remote-owner-base', default=False, action='store_true',
                            help='Show remote base URL for owner jw-pkg was cloned from')
        parser.add_argument('--remote-base', default=False, action='store_true',
                            help='Show remote base URL')

    async def _run(self, args: Namespace) -> None:
        keys = ['username', 'password']

        # --- Milk jw-pkg repo
        jw_pkg_dir = self.app.find_dir('jw-pkg', pretty=False)
        if not os.path.isdir(jw_pkg_dir + '/.git'):
            log(DEBUG, f'jw-pkg directory is not a Git repo: {jw_pkg_dir}')
            return
        remotes, stderr, status  = await run_cmd(['git', '-C', jw_pkg_dir, 'remote', '-v'])
        result: dict[str, str] = {}
        for line in remotes.splitlines():
            name, url, typ = re.split(r'\s+', line)
            if name == 'origin' and typ in ['(pull)', '(fetch)']: # TODO: Use other remotes, too?
                parsed = urlparse(url)
                for key in keys:
                    result[key] = getattr(parsed, key)
                base = parsed.geturl()
                base = re.sub(r'/jw-pkg', '', base)
                base = re.sub(r'/proj$', '', base)
                base = re.sub(r'/proj$', '', base)
                result['remote_owner_base'] = base
                result['remote_base'] = os.path.dirname(base)
                break

        # --- Print results
        for key, val in result.items():
            if getattr(args, key, None) != True:
                continue
            if val is None:
                continue
            if args.only_values:
                print(val)
                continue
            print(f'{key}="{val}"')