# Copyright 2018 TrilioData Inc.
# All Rights Reserved.

from dmapi.api.openstack import api_version_request
from dmapi.api.openstack.dm.views import versions as views_versions
from dmapi.api.openstack import wsgi


LINKS = {
   'v2.0': {
       'html': 'http://docs.trilio.io/'
    },
}


VERSIONS = {
    "v2.0": {
        "id": "v2.0",
        "status": "SUPPORTED",
        "version": "",
        "min_version": "",
        "updated": "2011-01-21T11:33:21Z",
        "links": [
            {
                "rel": "describedby",
                "type": "text/html",
                "href": LINKS['v2.0']['html'],
            },
        ],
        "media-types": [
            {
                "base": "application/json",
                "type": "application/vnd.trilio.dm+json;version=2",
            }
        ],
    },
}


class Versions(wsgi.Resource):

    # The root version API isn't under the microversion control.
    support_api_request_version = False

    def __init__(self):
        super(Versions, self).__init__(None)

    def index(self, req, body=None):
        """Return all versions."""
        builder = views_versions.get_view_builder(req)
        return builder.build_versions(VERSIONS)

    @wsgi.response(300)
    def multi(self, req, body=None):
        """Return multiple choices."""
        builder = views_versions.get_view_builder(req)
        return builder.build_choices(VERSIONS, req)

    def get_action_args(self, request_environment):
        """Parse dictionary created by routes library."""
        args = {}
        if request_environment['PATH_INFO'] == '/':
            args['action'] = 'index'
        else:
            args['action'] = 'multi'

        return args