"""POST /api/runs + /api/runs/{id}/resume + /api/runs/{id}/abort — D2 write routes."""

from __future__ import annotations

from collections.abc import AsyncIterator
from pathlib import Path
from unittest.mock import AsyncMock, patch

import pytest
from httpx import ASGITransport, AsyncClient

from my_deepagent.api.app import create_app
from my_deepagent.config import load_config
from my_deepagent.persistence.db import Database


@pytest.fixture
async def app_client(tmp_path: Path) -> AsyncIterator[AsyncClient]:
    db_url = f"sqlite+aiosqlite:///{tmp_path / 'api_write.sqlite3'}"
    cfg = load_config(
        workspace_root=tmp_path,
        data_dir=tmp_path / "data",
        database_url=db_url,
    )
    db = Database(db_url)
    await db.init_schema()
    await db.dispose()
    app = create_app(cfg)
    transport = ASGITransport(app=app)
    async with app.router.lifespan_context(app):
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            yield client


# ---------------------------------------------------------------------------
# POST /api/runs validation
# ---------------------------------------------------------------------------


@pytest.mark.asyncio
async def test_start_run_missing_template_returns_400(
    app_client: AsyncClient, tmp_path: Path
) -> None:
    r = await app_client.post(
        "/api/runs",
        json={
            "template_path": "/this/does/not/exist.yaml",
            "repo_path": str(tmp_path),
            "base_branch": "main",
            "requirements_md": "test",
        },
    )
    assert r.status_code == 400
    assert "not found" in r.json()["detail"]


@pytest.mark.asyncio
async def test_start_run_extra_field_returns_422(app_client: AsyncClient, tmp_path: Path) -> None:
    r = await app_client.post(
        "/api/runs",
        json={
            "template_path": "spec-and-review@1.yaml",
            "repo_path": str(tmp_path),
            "rogue_field": "should-fail",
        },
    )
    # pydantic extra=forbid → 422 unprocessable entity
    assert r.status_code == 422


# ---------------------------------------------------------------------------
# POST /api/runs/{id}/resume — 404 + 409
# ---------------------------------------------------------------------------


@pytest.mark.asyncio
async def test_resume_unknown_run_404(app_client: AsyncClient) -> None:
    r = await app_client.post("/api/runs/00000000-0000-0000-0000-000000000000/resume")
    assert r.status_code == 404


# ---------------------------------------------------------------------------
# POST /api/runs/{id}/abort — 404 + 409
# ---------------------------------------------------------------------------


@pytest.mark.asyncio
async def test_abort_unknown_run_404(app_client: AsyncClient) -> None:
    r = await app_client.post("/api/runs/00000000-0000-0000-0000-000000000000/abort")
    assert r.status_code == 404


# ---------------------------------------------------------------------------
# POST /api/runs success — mock the runner so we don't actually invoke OpenRouter
# ---------------------------------------------------------------------------


@pytest.mark.asyncio
async def test_start_run_success_returns_run_id(app_client: AsyncClient, tmp_path: Path) -> None:
    from uuid import UUID

    fake_run_id = UUID("11111111-2222-3333-4444-555555555555")
    with patch(
        "my_deepagent.api.routes.runs.runner.start_new_run",
        new=AsyncMock(return_value=fake_run_id),
    ):
        r = await app_client.post(
            "/api/runs",
            json={
                "template_path": "spec-and-review@1.yaml",
                "repo_path": str(tmp_path),
                "base_branch": "main",
                "requirements_md": "x",
            },
        )
    assert r.status_code == 200
    body = r.json()
    assert body["run_id"] == str(fake_run_id)
    assert body["state"] == "executing"