from tests.support import ApiTestCase


class SearchTests(ApiTestCase):
    def setUp(self):
        super().setUp()
        self.register()
        self.scifi = self.genre_id("Science Fiction")
        self.fantasy = self.genre_id("Fantasy")
        self.create_book(title="Dune", author="Frank Herbert", genre_id=self.scifi)
        self.create_book(
            title="The Hobbit", author="J.R.R. Tolkien", genre_id=self.fantasy
        )
        self.create_book(title="100% Pure", author="Jane_Doe", genre_id=self.fantasy)
        self.create_book(title="1000 Pages", author="Back\\slash", genre_id=self.scifi)

    def titles(self, query: str) -> list[str]:
        response = self.call("GET", f"/api/books?{query}")
        self.assertEqual(response.status_code, 200, response.get_json())
        return sorted(b["title"] for b in response.get_json())

    def test_matches_title_or_author_case_insensitively(self):
        self.assertEqual(self.titles("q=dUnE"), ["Dune"])
        self.assertEqual(self.titles("q=tolkien"), ["The Hobbit"])

    def test_wildcards_match_literally(self):
        self.assertEqual(self.titles("q=100%25"), ["100% Pure"])
        self.assertEqual(self.titles("q=e_D"), ["100% Pure"])
        self.assertEqual(self.titles("q=k_s"), [])
        self.assertEqual(self.titles("q=k%5Cs"), ["1000 Pages"])

    def test_genre_filter_and_combination(self):
        self.assertEqual(
            self.titles(f"genre_id={self.fantasy}"), ["100% Pure", "The Hobbit"]
        )
        self.assertEqual(self.titles(f"q=100&genre_id={self.scifi}"), ["1000 Pages"])

    def test_blank_query_returns_everything(self):
        self.assertEqual(len(self.titles("q=%20%20")), 4)

    def test_invalid_parameters(self):
        for query, field in (
            ("genre_id=abc", "genre_id"),
            ("genre_id=99999", "genre_id"),
            ("q=a%00b", "q"),
        ):
            with self.subTest(query=query):
                response = self.call("GET", f"/api/books?{query}")
                self.assertEqual(response.status_code, 400)
                self.assertEqual(response.get_json()["field"], field)

    def test_search_never_returns_other_users_books(self):
        bob = self.other_user("bob")
        self.assertEqual(
            self.call("GET", "/api/books?q=dune", client=bob).get_json(), []
        )