#!/usr/bin/python
# -*- coding: utf-8 -*-

# (c) 2015, Joseph Callen <jcallen () csc.com>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)

from __future__ import absolute_import, division, print_function
__metaclass__ = type


ANSIBLE_METADATA = {'metadata_version': '1.1',
                    'status': ['preview'],
                    'supported_by': 'community'}

DOCUMENTATION = r'''
---
module: vmware_vm_facts
short_description: Return basic facts pertaining to a vSphere virtual machine guest
description:
- Return basic facts pertaining to a vSphere virtual machine guest.
version_added: '2.0'
author:
- Joseph Callen (@jcpowermac)
notes:
- Tested on vSphere 5.5 and vSphere 6.5
requirements:
- python >= 2.6
- PyVmomi
extends_documentation_fragment: vmware.documentation
'''

EXAMPLES = r'''
- name: Gather all registered virtual machines
  vmware_vm_facts:
    hostname: esxi_or_vcenter_ip_or_hostname
    username: username
    password: password
  delegate_to: localhost
  register: vmfacts

- debug:
    var: vmfacts.virtual_machines
'''

RETURN = r'''
virtual_machines:
  description: dictionary of virtual machines and their facts
  returned: success
  type: dict
'''

try:
    from pyVmomi import vim, vmodl
    HAS_PYVMOMI = True
except ImportError:
    HAS_PYVMOMI = False

from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.vmware import HAS_PYVMOMI, connect_to_api, get_all_objs, vmware_argument_spec


# https://github.com/vmware/pyvmomi-community-samples/blob/master/samples/getallvms.py
def get_all_virtual_machines(content):
    virtual_machines = get_all_objs(content, [vim.VirtualMachine])
    _virtual_machines = {}

    for vm in virtual_machines:
        _ip_address = ""
        summary = vm.summary
        if summary.guest is not None:
            _ip_address = summary.guest.ipAddress
            if _ip_address is None:
                _ip_address = ""
        _mac_address = []
        for dev in vm.config.hardware.device:
            if isinstance(dev, vim.vm.device.VirtualEthernetCard):
                _mac_address.append(dev.macAddress)

        virtual_machine = {
            summary.config.name: {
                "guest_fullname": summary.config.guestFullName,
                "power_state": summary.runtime.powerState,
                "ip_address": _ip_address,
                "mac_address": _mac_address,
                "uuid": summary.config.uuid
            }
        }

        _virtual_machines.update(virtual_machine)
    return _virtual_machines


def main():

    argument_spec = vmware_argument_spec()
    module = AnsibleModule(argument_spec=argument_spec, supports_check_mode=False)

    if not HAS_PYVMOMI:
        module.fail_json(msg='pyvmomi is required for this module')

    try:
        content = connect_to_api(module)
        _virtual_machines = get_all_virtual_machines(content)
        module.exit_json(changed=False, virtual_machines=_virtual_machines)
    except vmodl.RuntimeFault as runtime_fault:
        module.fail_json(msg=runtime_fault.msg)
    except vmodl.MethodFault as method_fault:
        module.fail_json(msg=method_fault.msg)
    except Exception as e:
        module.fail_json(msg=str(e))


if __name__ == '__main__':
    main()