from aiohttp.test_utils import AioHTTPTestCase

import practice

EMPTY = {"history": [[], []], "turn": 0}


class PracticeTest(AioHTTPTestCase):
    async def get_application(self):
        return practice.make_app()

    async def play(self, body):
        res = await self.client.post("/api/play", json=body)
        return res.status, await res.json()

    async def test_page_served(self):
        res = await self.client.get("/")
        self.assertEqual(res.status, 200)
        self.assertIn("practice.js", await res.text())

    async def test_human_move(self):
        status, s = await self.play({**EMPTY, "cell": 4})
        self.assertEqual(status, 200)
        self.assertEqual(s["board"][4], 0)
        self.assertEqual(s["history"], [[4], []])
        self.assertEqual(s["turn"], 1)

    async def test_perfect_computer_blocks(self):
        for _ in range(10):
            status, s = await self.play({"history": [[0, 1], [4]], "turn": 1, "accuracy": 1})
            self.assertEqual(status, 200)
            self.assertEqual(s["computerMove"], {"cell": 2, "how": "perfect"})

    async def test_computer_takes_the_win(self):
        status, s = await self.play({"history": [[0, 1], [4, 8]], "turn": 0, "accuracy": 1})
        self.assertEqual(s["winner"], 0)
        self.assertEqual(s["winLine"], [0, 1, 2])
        self.assertEqual(s["computerMove"], {"cell": 2, "how": "perfect"})

    async def test_human_move_has_no_computer_move(self):
        status, s = await self.play({**EMPTY, "cell": 4})
        self.assertIsNone(s["computerMove"])

    async def test_rejects_bad_requests(self):
        for body in [{}, [], {"history": [[0], [0]], "turn": 0},
                     {**EMPTY, "cell": 9}, {**EMPTY, "accuracy": "lots"}]:
            status, s = await self.play(body)
            self.assertEqual(status, 400, body)
            self.assertIn("error", s)

    async def test_no_moves_after_a_win(self):
        status, s = await self.play({"history": [[0, 1, 2], [4, 5]], "turn": 1})
        self.assertEqual(status, 400)
        self.assertEqual(s["error"], "The round is over")