import httpx
import Utils


class Fetcher:
    def __init__(self, URL, token):
        self.URL = URL
        self.token = token
        self.headers = {"Authorization": "GoogleLogin auth="+token}
        self.articles = {}

    def refresh(self):
        self.getUnreadCounts()
        self.getSubscriptions()

    def getUnreadCounts(self):
        response = httpx.get(self.URL+"/reader/api/0/unread-count?output=json", headers=self.headers)
        result = dict([(item["id"], (item["count"], item["newestItemTimestampUsec"], Utils.timestampToDate(
            item["newestItemTimestampUsec"]))) for item in response.json()["unreadcounts"]])
        self.unreadCounts = result

    def getSubscriptions(self):
        response = httpx.get(self.URL+"/reader/api/0/subscription/list?output=json", headers=self.headers)
        self.feeds = response.json()["subscriptions"]

    def checkCategory(self, category):
        return category in self.articles.keys()

    def articlesFromCategory(self, category, count=0, timestamp=0, number=0):
        if number == 0:
            response = httpx.get(self.URL+"/reader/api/0/stream/contents?n="+count+"&s="+category, headers=self.headers)
        else:
            response = httpx.get(self.URL+"/reader/api/0/stream/contents?ot="+timestamp+"&s="
                                 + category, headers=self.headers)
        return response.json()["items"]

    def toggleArticleStatus(self, articleId, is_read):
        if is_read == 0:
            tag_op = 'r'
        else:
            tag_op = 'a'
        try:
            response = httpx.post(self.URL+"/reader/api/0/edit-tag", data={"i": articleId, tag_op: "user/-/state/com.google/read"},
                                  headers=self.headers)
            if response.status_code == 200:
                return True
            else:
                return False
        except BaseException:
            return False