"""Claim loop process_one tests (REIN-A-0002-T03)."""

from __future__ import annotations

from unittest.mock import MagicMock, patch

from rein_aharness.approaches import ApproachResult, APPROACH_FI_RESEARCH_BRIEF
from rein_aharness.claim_loop import process_one, poll_peek
from rein_aharness.glas_execution import GLAS_APPROACH, GlasExecutionError
from rein_aharness.ops_run_client import (
    ActivityCoreOpsClient,
    OpsRun,
    OpsRunConfig,
    OpsRunError,
)


def _claimed_run() -> OpsRun:
    return OpsRun(
        id="run-1",
        activity_definition_id="def",
        idempotency_key="k",
        target_repo="freedom-intelligence",
        title="FI daily",
        description="d",
        labels=["automated", "research-brief"],
        state="claimed",
        claim_owner="worker-1",
        attempt=1,
    )


def test_process_one_empty() -> None:
    client = MagicMock(spec=ActivityCoreOpsClient)
    client.config = OpsRunConfig(worker_id="w", lease_seconds=90)
    client.claim.return_value = []
    r = process_one(client)
    assert r.empty is True
    assert r.claimed is False


def test_process_one_claim_error_requests_full_backoff() -> None:
    client = MagicMock(spec=ActivityCoreOpsClient)
    client.config = OpsRunConfig(worker_id="w", lease_seconds=90)
    client.claim.side_effect = OpsRunError("upstream failed")
    result = process_one(client)
    assert result.claimed is False
    assert result.empty is False
    assert result.retry_full_interval is True


def test_process_one_success_completes() -> None:
    client = MagicMock(spec=ActivityCoreOpsClient)
    client.config = OpsRunConfig(worker_id="w", lease_seconds=90)
    client.claim.return_value = [_claimed_run()]
    client.complete.return_value = OpsRun(
        id="run-1",
        activity_definition_id="def",
        idempotency_key="k",
        target_repo="freedom-intelligence",
        title="FI daily",
        description="",
        state="succeeded",
        labels=["automated", "research-brief"],
    )
    ar = ApproachResult(
        ok=True,
        approach=APPROACH_FI_RESEARCH_BRIEF,
        result={"path": "briefs/x.md"},
        reason="ok",
    )
    with patch("rein_aharness.claim_loop.execute_approach", return_value=ar):
        r = process_one(client)
    assert r.claimed is True
    assert r.ok is True
    assert r.approach == APPROACH_FI_RESEARCH_BRIEF
    client.complete.assert_called_once()
    client.fail.assert_not_called()


def test_process_one_failure_reopens() -> None:
    client = MagicMock(spec=ActivityCoreOpsClient)
    client.config = OpsRunConfig(worker_id="w", lease_seconds=90)
    client.claim.return_value = [_claimed_run()]
    client.fail.return_value = OpsRun(
        id="run-1",
        activity_definition_id="def",
        idempotency_key="k",
        target_repo="freedom-intelligence",
        title="t",
        description="",
        state="open",
        labels=["automated", "research-brief"],
    )
    ar = ApproachResult(
        ok=False,
        approach=APPROACH_FI_RESEARCH_BRIEF,
        reason="llm timeout",
        reopen=True,
    )
    with patch("rein_aharness.claim_loop.execute_approach", return_value=ar):
        r = process_one(client)
    assert r.ok is False
    client.fail.assert_called_once()
    assert client.fail.call_args.kwargs["reopen"] is True


def test_poll_peek() -> None:
    client = MagicMock(spec=ActivityCoreOpsClient)
    client.list_open.return_value = [_claimed_run()]
    rows = poll_peek(client)
    assert len(rows) == 1
    assert rows[0]["approach"] == APPROACH_FI_RESEARCH_BRIEF


def test_profiled_run_uses_glas_and_completes_with_full_result() -> None:
    client = MagicMock(spec=ActivityCoreOpsClient)
    client.config = OpsRunConfig(worker_id="w", lease_seconds=90)
    run = _claimed_run()
    run.harness_profile_ref = "harness.agent-dev-local@1.0.0"
    run.approach_hint = "fi-research-brief"
    client.claim.return_value = [run]
    client.complete.return_value = OpsRun(
        id=run.id,
        activity_definition_id="def",
        idempotency_key="k",
        target_repo=run.target_repo,
        title=run.title,
        description="",
        state="succeeded",
    )
    gateway_result = {
        "ok": True,
        "evidence": {
            "outcome": "succeeded",
            "profile_ref": run.harness_profile_ref,
            "sandbox_id": "sbx-1",
        },
        "tool_output": "not copied into ProcessResult.detail",
        "tool_error": None,
    }
    with (
        patch("rein_aharness.claim_loop.execute_profiled_run", return_value=gateway_result),
        patch("rein_aharness.claim_loop.select_approach") as select,
        patch("rein_aharness.claim_loop.execute_approach") as execute,
    ):
        result = process_one(client)

    assert result.ok is True
    assert result.approach == GLAS_APPROACH
    assert result.detail == {"execution_evidence": gateway_result["evidence"]}
    client.complete.assert_called_once_with(run.id, result=gateway_result)
    client.fail.assert_not_called()
    select.assert_not_called()
    execute.assert_not_called()


def test_profile_refusal_fails_terminally_without_legacy_fallback() -> None:
    client = MagicMock(spec=ActivityCoreOpsClient)
    client.config = OpsRunConfig(worker_id="w", lease_seconds=90)
    run = _claimed_run()
    run.harness_profile_ref = "harness.unknown@9.9.9"
    run.approach_hint = "fi-research-brief"
    client.claim.return_value = [run]
    client.fail.return_value = OpsRun(
        id=run.id,
        activity_definition_id="def",
        idempotency_key="k",
        target_repo=run.target_repo,
        title=run.title,
        description="",
        state="failed",
    )
    with (
        patch(
            "rein_aharness.claim_loop.execute_profiled_run",
            side_effect=GlasExecutionError("unknown harness profile"),
        ),
        patch("rein_aharness.claim_loop.select_approach") as select,
        patch("rein_aharness.claim_loop.execute_approach") as execute,
    ):
        result = process_one(client)

    assert result.ok is False
    assert result.ops_state == "failed"
    assert client.fail.call_args.kwargs["reopen"] is False
    select.assert_not_called()
    execute.assert_not_called()


def test_poll_peek_reports_authoritative_profile_route() -> None:
    client = MagicMock(spec=ActivityCoreOpsClient)
    run = _claimed_run()
    run.harness_profile_ref = "harness.agent-dev-local@1.0.0"
    client.list_open.return_value = [run]
    with patch("rein_aharness.claim_loop.select_approach") as select:
        rows = poll_peek(client)
    assert rows[0]["approach"] == GLAS_APPROACH
    assert rows[0]["harness_profile_ref"] == run.harness_profile_ref
    select.assert_not_called()