import requests
from dataclasses import asdict
import requests_cache
import json

#requests_cache.install_cache('grocy', allowable_methods=('GET',), expire_after=180)
class RestService(object):
    API_KEY_HEADER = 'GROCY-API-KEY'
    RESOURCE_URL_TEMPLATE = '{api_url}/objects/{entity}/{objectId}'
    COLLECTION_URL_TEMPLATE = '{api_url}/objects/{entity}'
    def __init__(self, api_url, json=False):
        self.api_url = api_url
        self.headers = {}
        self.json = json

    def put(self, entity_name, entity, entity_id):
        if type(entity) is not dict:
            json_payload = entity.toJSON()
        else:
            json_payload = entity

        url = RestService.RESOURCE_URL_TEMPLATE.format(api_url=self.api_url, entity=entity_name, objectId=entity_id)
        r = requests.put(url, json=json_payload, headers=self.headers)

        if r.raise_for_status():
            logger.error(r.raise_for_status())
            raise r.raise_for_status()

#        if self.json:
#            return r.json()
#
        return r.content

    def get(self, entity_name, id=None):

        if not id:
            url = RestService.COLLECTION_URL_TEMPLATE.format(api_url=self.api_url, entity=entity_name)
        else:
            url = RestService.RESOURCE_URL_TEMPLATE.format(api_url=self.api_url, entity=entity_name, objectId=id)

        r = requests.get(url, headers=self.headers)

        if r.raise_for_status():
            raise r.raise_for_status()

        if self.json:
            return r.json()

        return r.content

    def delete(self, path, id):
        api_url = self.api_url

        if api_url.endswith('/'):
            url = '{0}{1}'.format(api_url, path[1:])
        else:
            url = '{0}/{1}'.format(api_url, path)

        r = requests.get(url, headers=self.headers)
        if r.raise_for_status():
            logger.error(r.raise_for_status())
            raise r.raise_for_status()

        if self.json:
            return r.json()

        return r.content

    def post(self, entity_name, entity):
        if type(entity) is not dict:
            json_payload = entity.toJSON()
        else:
            json_payload = entity

        url = RestService.COLLECTION_URL_TEMPLATE.format(api_url=self.api_url, entity=entity_name)

        r = requests.post(url, json=json.dumps(json_payload), headers=self.headers)

        #if r.raise_for_status():
        #    logger.error(r.raise_for_status())
        #    raise r.raise_for_status()

        if self.json:
            return r.json()

        return r.content

    def addHeader(self, type, value):
        self.headers[type] = value
    
    def addToken(self, value):
        self.headers[RestService.API_KEY_HEADER] = value;