"""Tests for the Intervals.icu credential validator (mocked HTTP)."""

import httpx
import pytest

from intervalsicu_mcp_ui import intervals

BASE = "https://intervals.icu/api/v1"


def _mock(monkeypatch, handler):
    transport = httpx.MockTransport(handler)
    real_init = httpx.AsyncClient.__init__

    def patched_init(self, *args, **kwargs):
        kwargs["transport"] = transport
        real_init(self, *args, **kwargs)

    monkeypatch.setattr(httpx.AsyncClient, "__init__", patched_init)


async def test_valid_credentials(monkeypatch):
    _mock(monkeypatch, lambda req: httpx.Response(200, json={"name": "Chris"}))
    ok, msg = await intervals.validate_credentials(BASE, "i123", "key")
    assert ok is True and "Chris" in msg


async def test_bad_key(monkeypatch):
    _mock(monkeypatch, lambda req: httpx.Response(401))
    ok, msg = await intervals.validate_credentials(BASE, "i123", "key")
    assert ok is False and "Invalid API key" in msg


async def test_not_found(monkeypatch):
    _mock(monkeypatch, lambda req: httpx.Response(404))
    ok, msg = await intervals.validate_credentials(BASE, "i999", "key")
    assert ok is False and "not found" in msg


async def test_other_status(monkeypatch):
    _mock(monkeypatch, lambda req: httpx.Response(500))
    ok, msg = await intervals.validate_credentials(BASE, "i123", "key")
    assert ok is False and "500" in msg


async def test_network_error(monkeypatch):
    def boom(req):
        raise httpx.ConnectError("refused")

    _mock(monkeypatch, boom)
    ok, msg = await intervals.validate_credentials(BASE, "i123", "key")
    assert ok is False and "Could not reach" in msg


@pytest.mark.parametrize("aid,key", [("", "k"), ("i1", ""), ("  ", "k")])
async def test_missing_inputs(aid, key):
    ok, msg = await intervals.validate_credentials(BASE, aid, key)
    assert ok is False and "required" in msg