"""Pure approach selection tests (REIN-A-0002-T02)."""

from __future__ import annotations

from rein_aharness.approaches import (
    APPROACH_AGENT_SESSION,
    APPROACH_BRIEF_DAILY,
    APPROACH_BRIEF_WEEKLY,
    APPROACH_FI_RESEARCH_BRIEF,
    APPROACH_MAIL_PIPELINE,
    APPROACH_UNMATCHED,
    select_approach,
)
from rein_aharness.ops_run_client import OpsRun


def _run(**kwargs) -> OpsRun:
    base = dict(
        id="r",
        activity_definition_id="",
        idempotency_key="k",
        target_repo="x",
        title="",
        description="",
        labels=[],
    )
    base.update(kwargs)
    return OpsRun(**base)


def test_select_fi_by_label() -> None:
    assert (
        select_approach(
            _run(labels=["automated", "research-brief", "freedom-intelligence"])
        )
        == APPROACH_FI_RESEARCH_BRIEF
    )


def test_select_fi_by_blob() -> None:
    assert (
        select_approach(
            _run(
                labels=["automated"],
                activity_definition_id="fi-daily-research-brief",
                title="FI daily research brief",
            )
        )
        == APPROACH_FI_RESEARCH_BRIEF
    )


def test_select_binky_rhythm() -> None:
    assert (
        select_approach(_run(labels=["binky", "rhythm", "automated"]))
        == APPROACH_BRIEF_DAILY
    )


def test_select_binky_weekly_review_requires_binky_and_weekly_label() -> None:
    assert (
        select_approach(
            _run(labels=["binky", "weekly-review", "automated"])
        )
        == APPROACH_BRIEF_WEEKLY
    )


def test_select_binky_weekly_review_by_definition() -> None:
    assert (
        select_approach(
            _run(activity_definition_id="binky-weekly-review-prep")
        )
        == APPROACH_BRIEF_WEEKLY
    )


def test_weekly_review_label_alone_is_unmatched() -> None:
    assert select_approach(_run(labels=["weekly-review"])) == APPROACH_UNMATCHED


def test_select_mail_intake() -> None:
    assert (
        select_approach(_run(labels=["mail-intake", "automated"]))
        == APPROACH_MAIL_PIPELINE
    )


def test_select_agent_session() -> None:
    assert (
        select_approach(_run(labels=["agent-session", "automated"]))
        == APPROACH_AGENT_SESSION
    )


def test_select_hint_overrides() -> None:
    assert (
        select_approach(
            _run(labels=["automated"], approach_hint="fi-research-brief")
        )
        == APPROACH_FI_RESEARCH_BRIEF
    )


def test_unmatched() -> None:
    assert select_approach(_run(labels=["automated"], title="misc hygiene")) == (
        APPROACH_UNMATCHED
    )


def test_fi_before_generic_automated() -> None:
    """research-brief must not fall through to unmatched when only automated."""
    assert (
        select_approach(_run(labels=["research-brief"])) == APPROACH_FI_RESEARCH_BRIEF
    )