"""Tests for chat session management endpoints."""
import pytest


@pytest.mark.anyio
async def test_list_sessions_empty(client, user_headers):
    r = await client.get("/api/chat/sessions", headers=user_headers)
    assert r.status_code == 200
    body = r.json()
    assert isinstance(body, list)


@pytest.mark.anyio
async def test_create_session_via_message(client, user_headers):
    """POST /api/chat with a fake genai config.

    The endpoint should respond without a 500 — it may return 200 with a
    message_id (background processing will fail) or 400/404 if the config
    is not found.
    """
    r = await client.post(
        "/api/chat",
        json={"message": "hello", "genai_config_id": "fake"},
        headers=user_headers,
    )
    assert r.status_code != 500, f"Unexpected server error: {r.text}"


@pytest.mark.anyio
async def test_list_sessions(client, user_headers):
    r = await client.get("/api/chat/sessions", headers=user_headers)
    assert r.status_code == 200
    assert isinstance(r.json(), list)


@pytest.mark.anyio
async def test_rename_session(client, user_headers):
    """Rename a session if one exists, otherwise skip gracefully."""
    sessions = (await client.get("/api/chat/sessions", headers=user_headers)).json()
    if not sessions:
        pytest.skip("No chat session available to rename")
    sid = sessions[0]["id"]
    r = await client.put(
        f"/api/chat/sessions/{sid}/title",
        json={"title": "renamed"},
        headers=user_headers,
    )
    assert r.status_code == 200


@pytest.mark.anyio
async def test_delete_session(client, user_headers):
    """Delete a session if one exists, otherwise skip gracefully."""
    sessions = (await client.get("/api/chat/sessions", headers=user_headers)).json()
    if not sessions:
        pytest.skip("No chat session available to delete")
    sid = sessions[0]["id"]
    r = await client.delete(f"/api/chat/{sid}", headers=user_headers)
    assert r.status_code == 200