from io import StringIO
import logging
import unittest
import os
from nanoid import generate

from flask_testing import TestCase
from flask import current_app

from capsulflask import create_app
from capsulflask.db import get_model

class BaseTestCase(TestCase):
    def create_app(self):
        # Use default connection paramaters
        os.environ['POSTGRES_CONNECTION_PARAMETERS'] = "host=localhost port=5432 user=postgres password=dev dbname=capsulflask_test"
        os.environ['TESTING'] = '1'
        os.environ['LOG_LEVEL'] = 'DEBUG'
        os.environ['SPOKE_MODEL'] = 'mock'
        os.environ['HUB_MODEL'] = 'capsul-flask'
        self.app = create_app()
        return self.app

    def setUp(self):
        self.logs_from_test = StringIO()
        self.logs_handler = logging.StreamHandler(self.logs_from_test)
        current_app.logger.addHandler(self.logs_handler)

    def tearDown(self):
        #self.app.logger.removeHandler(self.logs_handler)
        #logging.getLogger("asdasd1").warning(f"{self.id()} captured output:\n{self.logs_from_test.getvalue()}\n")

        file_object = open('unittest-output.log', 'a')
        file_object.write(f"{self.id()} captured output:\n{self.logs_from_test.getvalue()}\n")
        file_object.close()

    def _login(self, user_email):
        get_model().login(user_email)
        with self.client.session_transaction() as session:
            session['account'] = user_email
            session['csrf-token'] = generate()