import os
import shutil
from flask import flash
from flask_login import current_user
from sqlalchemy.exc import (
    DataError,
    DatabaseError,
    InterfaceError,
    InvalidRequestError,
)

from usermodel import User
from distribusimodel import Distribusis


from forms.selectorform import SelectorForm
from statuspengguna.helper import HasDistribusi
from app import db


def SelectNewDistribusi():
    print("make a new distribusi")
    selectorform = SelectorForm()
    SelectCurrentDistribusi("new")
    return selectorform


def SelectUpdateDistribusi(distribusiname):
    print(f"Update this distribusi {distribusiname}")
    selectorform = SelectorForm()
    SelectCurrentDistribusi(distribusiname)
    return selectorform


def DeleteDistribusi(distribusiname):
    print(f"delete this distribusi {distribusiname}")
    selectorform = SelectorForm()
    try:
        user = User.query.filter_by(email=current_user.email).first()
        distribusi = Distribusis.query.filter_by(
            distribusiname=distribusiname
        ).first()
        if distribusi.userid is user.id:
            db.session.delete(distribusi)
            db.session.commit()
            userfolder = os.path.join("stash", distribusi.distribusiname)
            shutil.rmtree(userfolder)
            cssfolder = os.path.join(
                "themes/userthemes", distribusi.distribusiname
            )
            shutil.rmtree(cssfolder)
    except (InvalidRequestError, DataError, InterfaceError, DatabaseError):
        db.session.rollback()
        selectorform.distribusis.errors.append("Unknown error occured!")
        flash("An error occured !", "danger")
    return selectorform


def SelectCurrentDistribusi(distribusiname):
    if not current_user.is_authenticated:
        return
    user = User.query.filter_by(email=current_user.email).first()
    try:
        user.currentdistribusi = distribusiname
        db.session.commit()
    except (InvalidRequestError, DataError, InterfaceError, DatabaseError):
        db.session.rollback()
        flash("An error occured !", "danger")


def DistribusiSelected():
    user = User.query.filter_by(email=current_user.email).first()
    if user.currentdistribusi is None:
        return False
    return True


def SelectorVisible():
    has_distribusi = HasDistribusi()
    distribusi_selected = DistribusiSelected()
    if distribusi_selected:
        return False
    if not has_distribusi:
        return False
    return True