import toml
import os
import db_model as db
from peewee import SqliteDatabase, IntegrityError, PostgresqlDatabase
from sshtunnel import SSHTunnelForwarder


def config_laden():
    configfile = os.path.join(SKRIPTPFAD, "config.toml")
    with open(configfile) as file:
        return toml.loads(file.read())


SKRIPTPFAD = os.path.abspath(os.path.dirname(__file__))
CONFIG = config_laden()
QUELLEN = ["jhu", "who", "rki"]


def country_umbennnen():
    quelle = input("Quelle eingeben: ")
    name_altes_land = input("Name der alten Bezeichnung des Landes eingeben: ")
    name_neues_land = input("Name der neuen Bezeichnung des Landes eingeben: ")

    try:
        db.CoronaDaten.update(country_region=name_neues_land).where(
            (db.CoronaDaten.country_region == name_altes_land) & (db.CoronaDaten.quelle == quelle)
        ).execute()
    except IntegrityError:
        db.CoronaDaten.delete().where(
            (db.CoronaDaten.country_region == name_altes_land) & (db.CoronaDaten.quelle == quelle)
        ).execute()


def main():
    with SSHTunnelForwarder(
                (CONFIG["ssh"]["ip_server"], CONFIG["ssh"]["ssh_port"]), ssh_username=CONFIG["ssh"]["user"],
                ssh_password=CONFIG["ssh"]["pw"], remote_bind_address=('127.0.0.1', CONFIG["pg"]["pgport"])) as server:

        db.database.initialize(PostgresqlDatabase(CONFIG["pg"]["pgdb"],
                                                  user=CONFIG["pg"]["pguser"], password=CONFIG["pg"]["pgpw"],
                                                  host="127.0.0.1",
                                                  port=server.local_bind_port))
        country_umbennnen()


main()