"""Tests for FR-5 (Activity entity, polymorphic parent)."""

from __future__ import annotations

from datetime import datetime

import pytest
from httpx import AsyncClient


@pytest.mark.asyncio
async def test_create_activity_with_polymorphic_fk(
    client: AsyncClient, auth_headers: dict[str, str], seed_data: dict
) -> None:
    deal_id = seed_data["deal_ids"][0]
    resp = await client.post(
        "/api/v1/activities/",
        json={"type": "task", "subject": "Follow up", "deal_id": deal_id},
        headers=auth_headers,
    )
    assert resp.status_code == 201, resp.text
    body = resp.json()
    assert body["deal_id"] == deal_id


@pytest.mark.asyncio
async def test_list_activities_filter_overdue(client: AsyncClient, seed_data: dict) -> None:
    # seed_data inserts 4 overdue activities
    resp = await client.get("/api/v1/activities/?overdue=true", headers=seed_data["headers"])
    assert resp.status_code == 200
    body = resp.json()
    now = datetime.now()  # naive: SQLite returns naive datetimes
    for a in body:
        if a.get("due_date") and a.get("completed_at") is None:
            due = a["due_date"]
            if due.endswith("Z"):
                due = due.replace("Z", "+00:00")
            assert datetime.fromisoformat(due) < now


@pytest.mark.asyncio
async def test_complete_activity(client: AsyncClient, seed_data: dict) -> None:
    a_id = seed_data["activity_ids"][0]
    resp = await client.patch(
        f"/api/v1/activities/{a_id}/complete",
        json={"outcome": "Resolved via email"},
        headers=seed_data["headers"],
    )
    assert resp.status_code == 200, resp.text
    body = resp.json()
    assert body["completed_at"] is not None


@pytest.mark.asyncio
async def test_activity_requires_at_least_one_parent(
    client: AsyncClient, auth_headers: dict[str, str]
) -> None:
    resp = await client.post(
        "/api/v1/activities/",
        json={"type": "task", "subject": "Orphan task"},  # no account/contact/deal
        headers=auth_headers,
    )
    assert resp.status_code == 422