import tempfile
import unittest
import os
from json import loads
from ITPlanning.config import DefaultConfig
from ITPlanning.db import init_database, release_database
from ITPlanning.app import create_app


class TestBase(unittest.TestCase):
    def setUp(self):
        self.__db = tempfile.mkstemp()
        self.config = DefaultConfig()
        self.config.BASE["database_uri"] = "sqlite:///" + self.__db[1]
        self.config.TESTING = True
        self.__app = create_app(self.config)
        self.client = self.__app.test_client()

    def app_context(self, *args, **kwargs):
        return self.__app.app_context(*args, **kwargs)

    def request_context(self, *args, **kwargs):
        return self.__app.test_request_context(*args, **kwargs)

    def tearDown(self):
        release_database()
        os.close(self.__db[0])
        os.remove(self.__db[1])


class APITestBase(TestBase):
    def make_request(self, endpoint, return_code, args={}, method="get"):
        if not isinstance(args, dict):
            raise TypeError("'args', expecting a dict, got " + type(args).__name__)
        uri = "/api/v1/{}".format(endpoint)
        if method == "get":
            rv = self.client.get(uri, query_string=args, follow_redirects=True)
        if method == "post":
            rv = self.client.post(uri, data=args, follow_redirects=True)
        if return_code == 200:
            data = loads(rv.data)
        else:
            data = None
        self.assertEqual(rv.status_code, return_code)
        return rv, data