from dataclasses import dataclass
import datetime
from dataclasses_json import dataclass_json
import requests
import json
import pprint


@dataclass_json
@dataclass
class Basiswetterdaten:
    ts: datetime.datetime
    stationsname: str
    outtemp: float = None
    outluftfeuchte: float = None
    heatindex: float = None
    taupunkt: float = None
    luftdruck: float = None
    regenaktuell: float = None
    regenrate: float = None
    wind: float = None
    windrichtung: str = None
    windboe: float = None
    windboe_richtung: str = None
    windrichtung_grad: float = None
    out_abs_luftfeuchte: float = None
    windchill: float = None


@dataclass_json
@dataclass
class Zusatzwetterdaten:
    ts: datetime.datetime
    stationsname: str
    wertname: str
    wert: float
    public: bool


def status_auswerten(r, logger, daten):
    if not (r.status_code == 200 or r.status_code == 201):
        logger.error(f"Statuscode: {r.status_code}\n Message: {r.text}")
        logger.error(pprint.pprint(daten))


def sende_daten(url, table, headers, daten, logger):
    url = f"{url}{table}"
    for data in daten:
        data.ts = datetime.datetime.fromtimestamp(int(data.ts)).strftime("%Y-%m-%d %H:%M:%S")
    logger.debug(f"Folgende Daten werden gesendet an {table}:\n {daten}")
    r = requests.post(url, headers=headers, json=[data.to_dict() for data in daten])
    status_auswerten(r, logger, daten)
    if r.status_code == 409:
        logger.error("Primary Key Verletzung. Beginne Datensätze einzeln zu übertragen")
        for data in daten:
            r = requests.post(url, headers=headers, json=data.to_dict())
            status_auswerten(r, logger, data)


def hole_letzten_ts(url, table, headers, username):
    query = f"select=ts&stationsname=eq.{username}&limit=1&order=ts.desc"
    url = f"{url}{table}"
    r = requests.get(url, headers=headers, params=query)
    if r.status_code == 200:
        inhalt = json.loads(r.text)
        try:
            ts_str = inhalt[0]["ts"]
            ts = datetime.datetime.strptime(ts_str, "%Y-%m-%dT%H:%M:%S%z")
        except IndexError:
            ts = datetime.datetime(1970, 1, 1)
        return ts
    else:
        raise TypeError(r.text)