#!/usr/bin/env python
# -*- coding: utf-8 -*-
'''
    :codeauthor: :email:`Pedro Algarvio (pedro@algarvio.me)`


    setup-transifex-config
    ~~~~~~~~~~~~~~~~~~~~~~

    Setup the Transifex client configuration file
'''

# Import python libs
import os
import sys
import getpass
import ConfigParser

HOST = 'https://www.transifex.com'
RCFILE = os.path.abspath(
    os.environ.get(
        'TRANSIFEX_RC',
        os.path.expanduser('~/.transifexrc')
    )
)


def main():
    '''
    Run the setup code
    '''
    print(
        'This script will setup a Transifex client configuration file, or, '
        'if it already exists, make some minimal checks to see if it\'s '
        'properly configured\n'
    )
    if not os.path.exists(RCFILE):
        while True:
            username = os.environ.get('TRANSIFEX_USER', None)
            if username is not None:
                break
            try:
                username = raw_input(
                    'What is your username on Transifex.com? '
                )
                if username:
                    break
            except KeyboardInterrupt:
                print
                sys.exit(1)
        while True:
            password = os.environ.get('TRANSIFEX_PASS', None)
            if password is not None:
                break
            try:
                password = getpass.getpass(
                    'What is your password on Transifex.com? '
                )
                if password:
                    break
            except KeyboardInterrupt:
                print
                sys.exit(1)

        config = ConfigParser.SafeConfigParser()
        config.add_section(HOST)
        config.set(HOST, 'token', '')
        config.set(HOST, 'hostname', HOST)
        config.set(HOST, 'username', username)
        config.set(HOST, 'password', password)

        config.write(open(RCFILE, 'w'))
        print('username and password stored in \'{0}\''.format(RCFILE))

        os.chmod(RCFILE, 0600)
        print('Secured the permissions on \'{0}\' to 0600'.format(RCFILE))

        sys.exit(0)

    # The file exists, let's see if it's properly configured
    config = ConfigParser.SafeConfigParser()
    config.read([RCFILE])

    if not config.has_section(HOST):
        print('\'~/.transifexrc\' is not properly configured, it\'s missing '
              'the {0} section'.format(HOST))

    for setting in ('username', 'password', 'hostname', 'token'):
        if not config.has_option(HOST, setting):
            print('\'~/.transifexrc\' is not properly configured, it\'s '
                  'missing the {0} option'.format(setting))
            sys.exit(1)

        if setting == 'token':
            # Token should be left empty
            continue

        if not config.get(HOST, setting):
            print('\'~/.transifexrc\' is not properly configured, it\'s '
                  'missing a value for the {0} option'.format(setting))
            sys.exit(1)


if __name__ == '__main__':
    main()
