import urllib

from mailmanclient import Client

from ansible.module_utils.basic import AnsibleModule

MAILMAN_SUPPORTED_API_VERSION = '3.1'

def run_module():
	module_args = dict(
		api_url=dict(type='str', default='http://localhost:8001/3.1'),
		api_user=dict(type='str', default='restapi'),
		api_password=dict(type='str', required=True, no_log=True),
		name=dict(type='str', required=True),
		settings=dict(type='dict', default={})
	)

	result = dict(
		changed=False,
		message='',
		diff={'before': '', 'after': ''}
	)

	module = AnsibleModule(
		argument_spec=module_args,
		supports_check_mode=True
	)

	client = Client(module.params['api_url'], module.params['api_user'], module.params['api_password'])
	if not client.system['api_version'] == MAILMAN_SUPPORTED_API_VERSION:
		module.fail_json(msg='API version {} is not supported, only {} is supported'.format(client.system['api_version'], MAILMAN_SUPPORTED_API_VERSION))

	ml = None
	try:
		ml = client.get_list(module.params['name'])
	except urllib.error.HTTPError as e:
		if e.code != 404:
			raise
		result['changed'] = True
		if module.check_mode:
			module.exit_json(**result)
		addr_domain =module.params['name'].split('@')[-1]
		addr_local = '@'.join(module.params['name'].split('@')[0:-1])
		domain = client.get_domain(addr_domain)
		ml = domain.create_list(addr_local)

	ml_settings = ml.settings
	if result['changed']:
		result['diff']['before'] = None
	else:
		result['diff']['before'] = dict(ml_settings)

	for i in module.params['settings']:
		if ml_settings[i] != module.params['settings'][i]:
			result['changed'] = True
			ml_settings[i] = module.params['settings'][i]

	if module.check_mode:
		result['diff']['after'] = dict(ml.settings)
		result['diff']['after'].update(module.params['settings'])
	else:
		ml_settings.save()
		result['diff']['after'] = dict(ml.settings)

	module.exit_json(**result)


def main():
	run_module()


if __name__ == '__main__':
	main()