from os import environ, makedirs

from flask import Flask
from flask_admin import Admin
from flask_security import Security, SQLAlchemyUserDatastore
from flask_security.models import fsqla_v2 as fsqla
from flask_sqlalchemy import SQLAlchemy
from flask_migrate import Migrate

from dotenv import load_dotenv

from .advlabdb_independent_funs import parse_bool


def set_from_env(app, var):
    app.config[var] = environ[var]


load_dotenv(".env")

app = Flask(__name__)

set_from_env(app, "SERVER_NAME")

set_from_env(app, "SECRET_KEY")

# Setup Flask-SQLAlchemy
app.config["SQLALCHEMY_DATABASE_URI"] = f"sqlite:///../{environ['RELATIVE_DB_DIR']}/advlab.db"
makedirs(environ["RELATIVE_DB_DIR"], exist_ok=True)

app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False

db = SQLAlchemy(app)

fsqla.FsModels.set_db_info(db)

# Setup Flask-Migrate
migrate = Migrate(app, db)

from . import customClasses

# Setup Flask-Admin
app.config["FLASK_ADMIN_FLUID_LAYOUT"] = True

adminSpace = Admin(
    app,
    name="Admin@AdvLabDB",
    url="/admin",
    endpoint="adminSpace",
    template_mode="bootstrap3",
    index_view=customClasses.SecureAdminIndexView(name="Home", url="/admin", endpoint="adminSpace"),
)
assistantSpace = Admin(
    app,
    name="Assistant@AdvLabDB",
    url="/assistant",
    endpoint="assistantSpace",
    template_mode="bootstrap3",
    index_view=customClasses.SecureAssistantIndexView(name="Home", url="/assistant", endpoint="assistantSpace"),
)

from . import models

# Setup Flask-Security
# Enable features
app.config["SECURITY_TRACKABLE"] = True

# Explicitly disable features
app.config["SECURITY_CONFIRMABLE"] = False
app.config["SECURITY_REGISTERABLE"] = False
app.config["SECURITY_RECOVERABLE"] = False
app.config["SECURITY_PASSWORDLESS"] = False
app.config["SECURITY_CHANGEABLE"] = False
app.config["SECURITY_TWO_FACTOR"] = False
app.config["SECURITY_UNIFIED_SIGNIN"] = False

app.config["SECURITY_EMAIL_VALIDATOR_ARGS"] = {
    "check_deliverability": parse_bool(environ["CHECK_EMAIL_DELIVERABILITY"])
}
set_from_env(app, "SECURITY_PASSWORD_SALT")
app.config["SECURITY_PASSWORD_LENGTH_MIN"] = 15
# TODO: app.config["SECURITY_LOGIN_USER_TEMPLATE"] =

user_datastore = SQLAlchemyUserDatastore(db, models.User, models.Role)
Security(app, user_datastore)

try:
    from . import routes, adminModelViews, assistantModelViews
except Exception as ex:
    print(
        "\nYou are probably initializing the database with a script. If not, then you have to worry about not being able to import in __init__.py!\n"
    )
    print(str(ex))