import pytest
from fastapi.testclient import TestClient
from app.main import app
from app.game import game_engine


@pytest.fixture(autouse=True)
def reset_board_state():
    import asyncio
    asyncio.run(game_engine.reset())
    yield
    asyncio.run(game_engine.reset())


def test_health():
    client = TestClient(app)
    response = client.get("/api/health")
    assert response.status_code == 200
    data = response.json()
    assert data["success"] is True
    assert "FastAPI" in data["message"] or data["data"]["service"] == "FastAPI"


def test_register_player():
    client = TestClient(app)
    res = client.post("/api/players", json={"name": "CyberBot", "color": "#00FFAA"})
    assert res.status_code == 201
    player = res.json()
    assert player["name"] == "CyberBot"
    assert player["color"] == "#00FFAA"
    assert 0 <= player["x"] <= 64
    assert 0 <= player["y"] <= 64
    assert "id" in player


def test_register_alias_endpoint():
    client = TestClient(app)
    res = client.post("/api/register", json={"name": "AliasBot", "color": "#FF00FF"})
    assert res.status_code == 201
    player = res.json()
    assert player["name"] == "AliasBot"
    assert 0 <= player["x"] <= 64
    assert 0 <= player["y"] <= 64


def test_board_state_after_registrations():
    client = TestClient(app)
    client.post("/api/players", json={"name": "Bot1", "color": "#FF0000"})
    client.post("/api/players", json={"name": "Bot2", "color": "#0000FF"})
    
    res = client.get("/api/board")
    assert res.status_code == 200
    board = res.json()
    assert board["player_count"] == 2
    assert len(board["players"]) == 2
    assert board["config"]["min_x"] == 0
    assert board["config"]["max_x"] == 64
    assert board["config"]["min_y"] == 0
    assert board["config"]["max_y"] == 64


def test_player_deletion_and_reset():
    client = TestClient(app)
    reg_res = client.post("/api/players", json={"name": "TempBot", "color": "#123456"})
    player_id = reg_res.json()["id"]

    del_res = client.delete(f"/api/players/{player_id}")
    assert del_res.status_code == 200

    board_res = client.get("/api/board")
    assert board_res.json()["player_count"] == 0


def test_validation_errors():
    client = TestClient(app)
    # Empty name
    res = client.post("/api/players", json={"name": "   ", "color": "#FF0000"})
    assert res.status_code == 422

    # Invalid color
    res = client.post("/api/players", json={"name": "Bot", "color": "not-a-color-123456789"})
    assert res.status_code == 422