from __future__ import annotations

import asyncio
import json

import httpx
import pytest

from hub_core.runtime.config import RuntimeSettings
from hub_core.runtime.repo_manager_client import HTTPRepoProjectionClient


def test_http_repo_projection_client_forwards_cursor_and_bearer_token() -> None:
    seen: list[httpx.Request] = []

    async def handler(request: httpx.Request) -> httpx.Response:
        seen.append(request)
        return httpx.Response(200, json={"contract_id": "example"})

    async def exercise() -> dict:
        client = HTTPRepoProjectionClient(
            "https://repo-manager.invalid",
            api_token="test-token",
            transport=httpx.MockTransport(handler),
        )
        try:
            return dict(await client.fetch_classification_page("signed-cursor"))
        finally:
            await client.aclose()

    payload = asyncio.run(exercise())

    assert payload == {"contract_id": "example"}
    assert seen[0].url.path == "/ports/repositories/classifications"
    assert seen[0].url.params["cursor"] == "signed-cursor"
    assert seen[0].headers["authorization"] == "Bearer test-token"


def test_http_repo_projection_client_rejects_non_object_json() -> None:
    async def handler(_: httpx.Request) -> httpx.Response:
        return httpx.Response(200, content=json.dumps([]))

    async def exercise() -> None:
        client = HTTPRepoProjectionClient(
            "http://repo-manager.invalid",
            transport=httpx.MockTransport(handler),
        )
        try:
            await client.fetch_classification_page(None)
        finally:
            await client.aclose()

    with pytest.raises(ValueError, match="JSON object"):
        asyncio.run(exercise())


def test_runtime_settings_load_repo_projection_transport(monkeypatch: pytest.MonkeyPatch) -> None:
    monkeypatch.setenv("HUB_CORE_REPO_MANAGER_BASE_URL", "http://repo-manager:8020")
    monkeypatch.setenv("HUB_CORE_REPO_MANAGER_API_TOKEN", "token")
    monkeypatch.setenv("HUB_CORE_REPO_MANAGER_TIMEOUT_SECONDS", "4.5")
    monkeypatch.setenv("HUB_CORE_REPO_PROJECTION_REFRESH_SECONDS", "45")

    settings = RuntimeSettings.from_env()

    assert settings.repo_manager_base_url == "http://repo-manager:8020"
    assert settings.repo_manager_api_token == "token"
    assert settings.repo_manager_timeout_seconds == 4.5
    assert settings.repo_projection_refresh_seconds == 45.0