"""PlaybookService — draft + Auditor curation transitions (real Postgres)."""

from __future__ import annotations

from typing import TYPE_CHECKING, Any
from unittest.mock import AsyncMock
from uuid import uuid4

import pytest
from roboco.config import settings as cfg
from roboco.models.base import PlaybookStatus
from roboco.models.playbook import PlaybookCreate
from roboco.services.base import ConflictError, NotFoundError
from roboco.services.playbook import PlaybookService

if TYPE_CHECKING:
    from sqlalchemy.ext.asyncio import AsyncSession


def _create(title: str = "Retry a flaky pg test", **kw: Any) -> PlaybookCreate:
    base: dict[str, Any] = {
        "title": title,
        "problem": "A pg integration test fails intermittently on connection reset.",
        "procedure": "1. Wrap the fixture in a retry.\n2. Assert idempotency.",
        "tags": ["backend"],
        "scope": "org",
    }
    base.update(kw)
    return PlaybookCreate(**base)


@pytest.mark.asyncio
async def test_draft_creates_a_draft_with_derived_slug(
    db_session: AsyncSession,
) -> None:
    svc = PlaybookService(db_session)
    pb = await svc.draft(_create(title="Retry Flaky PG!"), created_by=uuid4())
    assert pb.status == PlaybookStatus.DRAFT
    assert pb.slug == "retry-flaky-pg"


@pytest.mark.asyncio
async def test_draft_then_approve_flips_status_and_stamps(
    db_session: AsyncSession,
) -> None:
    svc = PlaybookService(db_session)
    auditor = uuid4()
    pb = await svc.draft(_create(), created_by=uuid4())
    approved = await svc.approve(pb.id, approver_id=auditor)
    assert approved.status == PlaybookStatus.APPROVED
    assert approved.approved_by == auditor
    assert approved.approved_at is not None


@pytest.mark.asyncio
async def test_reject_archives(db_session: AsyncSession) -> None:
    svc = PlaybookService(db_session)
    pb = await svc.draft(_create(), created_by=uuid4())
    out = await svc.reject(
        pb.id, approver_id=uuid4(), reason="duplicate of an existing one"
    )
    assert out.status == PlaybookStatus.ARCHIVED


@pytest.mark.asyncio
async def test_list_drafts_and_approved_partition(db_session: AsyncSession) -> None:
    svc = PlaybookService(db_session)
    d = await svc.draft(_create(title="Draft one"), created_by=uuid4())
    a = await svc.draft(_create(title="Approved one"), created_by=uuid4())
    await svc.approve(a.id, approver_id=uuid4())

    draft_ids = {p.id for p in await svc.list_drafts()}
    approved_ids = {p.id for p in await svc.list_approved()}
    assert d.id in draft_ids and d.id not in approved_ids
    assert a.id in approved_ids and a.id not in draft_ids


@pytest.mark.asyncio
async def test_duplicate_slug_raises_conflict(db_session: AsyncSession) -> None:
    svc = PlaybookService(db_session)
    await svc.draft(_create(title="Same Title"), created_by=uuid4())
    with pytest.raises(ConflictError):
        await svc.draft(_create(title="Same Title"), created_by=uuid4())


@pytest.mark.asyncio
async def test_approve_missing_raises_notfound(db_session: AsyncSession) -> None:
    svc = PlaybookService(db_session)
    with pytest.raises(NotFoundError):
        await svc.approve(uuid4(), approver_id=uuid4())


@pytest.mark.asyncio
async def test_source_task_id_is_recorded(db_session: AsyncSession) -> None:
    svc = PlaybookService(db_session)
    task_id = uuid4()
    pb = await svc.draft(_create(source_task_id=task_id), created_by=uuid4())
    assert str(task_id) in pb.source_task_ids


@pytest.mark.asyncio
async def test_approve_indexes_when_org_memory_on(
    db_session: AsyncSession, monkeypatch: pytest.MonkeyPatch
) -> None:
    monkeypatch.setattr(cfg, "org_memory_enabled", True)
    fake_optimal = AsyncMock()
    fake_optimal.index_playbook = AsyncMock()
    monkeypatch.setattr(
        "roboco.services.optimal.get_optimal_service",
        AsyncMock(return_value=fake_optimal),
    )
    svc = PlaybookService(db_session)
    pb = await svc.draft(_create(title="Index me"), created_by=uuid4())
    await svc.approve(pb.id, approver_id=uuid4())
    fake_optimal.index_playbook.assert_awaited_once()


@pytest.mark.asyncio
async def test_approve_does_not_index_when_off(
    db_session: AsyncSession, monkeypatch: pytest.MonkeyPatch
) -> None:
    monkeypatch.setattr(cfg, "org_memory_enabled", False)
    getter = AsyncMock()
    monkeypatch.setattr("roboco.services.optimal.get_optimal_service", getter)
    svc = PlaybookService(db_session)
    pb = await svc.draft(_create(title="Do not index"), created_by=uuid4())
    await svc.approve(pb.id, approver_id=uuid4())
    getter.assert_not_awaited()


@pytest.mark.asyncio
async def test_approve_survives_index_failure(
    db_session: AsyncSession, monkeypatch: pytest.MonkeyPatch
) -> None:
    monkeypatch.setattr(cfg, "org_memory_enabled", True)
    fake_optimal = AsyncMock()
    fake_optimal.index_playbook = AsyncMock(side_effect=RuntimeError("ollama down"))
    monkeypatch.setattr(
        "roboco.services.optimal.get_optimal_service",
        AsyncMock(return_value=fake_optimal),
    )
    svc = PlaybookService(db_session)
    pb = await svc.draft(_create(title="Resilient"), created_by=uuid4())
    approved = await svc.approve(pb.id, approver_id=uuid4())  # must not raise
    assert approved.status == PlaybookStatus.APPROVED