# -*- coding: utf-8 -*-
'''
    :codeauthor: :email:`Pedro Algarvio (pedro@algarvio.me)`


    salt.config.schemas.ssh
    ~~~~~~~~~~~~~~~~~~~~~~~

    Salt SSH related configuration schemas
'''

# Import Python libs
from __future__ import absolute_import

# Import Salt libs
from salt.utils.schema import (Schema,
                               StringItem,
                               IntegerItem,
                               SecretItem,
                               PortItem,
                               BooleanItem,
                               RequirementsItem,
                               DictItem,
                               AnyOfItem
                               )
from salt.config.schemas.minion import MinionConfiguration


class RosterEntryConfig(Schema):
    '''
    Schema definition of a Salt SSH Roster entry
    '''

    title = 'Roster Entry'
    description = 'Salt SSH roster entry definition'

    host = StringItem(title='Host',
                      description='The IP address or DNS name of the remote host',
                      # Pretty naive pattern matching
                      pattern=r'^((\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})|([A-Za-z0-9][A-Za-z0-9\.\-]{1,255}))$',
                      min_length=1,
                      required=True)
    port = PortItem(title='Port',
                    description='The target system\'s ssh port number',
                    default=22)
    user = StringItem(title='User',
                      description='The user to log in as. Defaults to root',
                      default='root',
                      min_length=1,
                      required=True)
    passwd = SecretItem(title='Password',
                        description='The password to log in with',
                        min_length=1)
    priv = StringItem(title='Private Key',
                      description='File path to ssh private key, defaults to salt-ssh.rsa',
                      min_length=1)
    passwd_or_priv_requirement = AnyOfItem(items=(RequirementsItem(requirements=['passwd']),
                                                  RequirementsItem(requirements=['priv'])))(flatten=True)
    sudo = BooleanItem(title='Sudo',
                       description='run command via sudo. Defaults to False',
                       default=False)
    timeout = IntegerItem(title='Timeout',
                            description=('Number of seconds to wait for response '
                                         'when establishing an SSH connection'))
    thin_dir = StringItem(title='Thin Directory',
                            description=('The target system\'s storage directory for Salt '
                                         'components. Defaults to /tmp/salt-<hash>.'))
    minion_opts = DictItem(title='Minion Options',
                             description='Dictionary of minion options',
                             properties=MinionConfiguration())


class RosterItem(Schema):
    title = 'Roster Configuration'
    description = 'Roster entries definition'

    roster_entries = DictItem(
        pattern_properties={
            r'^([^:]+)$': RosterEntryConfig()})(flatten=True)
