import copy
import json
from pathlib import Path

import pytest

from src.services.ai_agent_reviewer_queue_no_write_readback import (
    load_latest_ai_agent_reviewer_queue_no_write_readback,
)


REPO_ROOT = Path(__file__).resolve().parents[3]
FIXTURE = REPO_ROOT / "docs/evaluations/ai_agent_reviewer_queue_no_write_readback_2026-06-13.json"


def test_load_latest_ai_agent_reviewer_queue_no_write_readback_snapshot() -> None:
    data = load_latest_ai_agent_reviewer_queue_no_write_readback()

    assert data["schema_version"] == "ai_agent_reviewer_queue_no_write_readback_v1"
    assert data["program_status"]["current_task_id"] == "P2-117"
    assert data["program_status"]["next_task_id"] == "P2-118"
    assert data["program_status"]["overall_completion_percent"] == 100
    assert data["program_status"]["read_only_mode"] is True

    rollups = data["rollups"]
    assert rollups["reviewer_queue_readback_fixture_count"] == 5
    assert rollups["queue_item_mapping_count"] == 5
    assert rollups["readback_verifier_check_count"] == 5
    assert rollups["blocked_queue_write_count"] == 5
    assert rollups["operator_action_count"] == 5
    assert rollups["approval_required_fixture_count"] == 2
    assert rollups["blocked_fixture_count"] == 2
    assert rollups["approval_required_mapping_count"] == 1
    assert rollups["blocked_mapping_count"] == 2
    assert rollups["approval_required_verifier_count"] == 2
    assert rollups["critical_blocker_count"] == 3

    assert {mapping["target_queue"] for mapping in data["queue_item_mappings"]} == {"reviewer_queue_preview"}
    assert {fixture["readback_mode"] for fixture in data["reviewer_queue_readback_fixtures"]} == {
        "no_write_fixture"
    }

    zero_fields = [
        "owner_approval_received_count",
        "canonical_runtime_target_read_count",
        "live_query_count",
        "reviewer_queue_write_count",
        "gateway_queue_write_count",
        "telegram_send_count",
        "bot_api_call_count",
        "report_receipt_write_count",
        "result_capture_write_count",
        "learning_write_count",
        "playbook_trust_write_count",
        "production_write_count",
        "secret_read_count",
        "destructive_operation_count",
    ]
    for field in zero_fields:
        assert rollups[field] == 0


def test_reviewer_queue_no_write_readback_rejects_queue_write_enabled(tmp_path: Path) -> None:
    source = json.loads(FIXTURE.read_text(encoding="utf-8"))
    source["reviewer_queue_readback_fixtures"][0]["reviewer_queue_write_enabled"] = True
    target = tmp_path / "ai_agent_reviewer_queue_no_write_readback_2026-06-13.json"
    target.write_text(json.dumps(source), encoding="utf-8")

    with pytest.raises(ValueError, match="must not enable reviewer queue write"):
        load_latest_ai_agent_reviewer_queue_no_write_readback(tmp_path)


def test_reviewer_queue_no_write_readback_rejects_truth_write_flag(tmp_path: Path) -> None:
    source = json.loads(FIXTURE.read_text(encoding="utf-8"))
    source["readback_truth"]["reviewer_queue_write_enabled"] = True
    target = tmp_path / "ai_agent_reviewer_queue_no_write_readback_2026-06-13.json"
    target.write_text(json.dumps(source), encoding="utf-8")

    with pytest.raises(ValueError, match="live read/send/write flags"):
        load_latest_ai_agent_reviewer_queue_no_write_readback(tmp_path)


def test_reviewer_queue_no_write_readback_rejects_target_queue_drift(tmp_path: Path) -> None:
    source = json.loads(FIXTURE.read_text(encoding="utf-8"))
    source["queue_item_mappings"][0]["target_queue"] = "live_reviewer_queue"
    target = tmp_path / "ai_agent_reviewer_queue_no_write_readback_2026-06-13.json"
    target.write_text(json.dumps(source), encoding="utf-8")

    with pytest.raises(ValueError, match="must target reviewer_queue_preview"):
        load_latest_ai_agent_reviewer_queue_no_write_readback(tmp_path)


def test_reviewer_queue_no_write_readback_rejects_rollup_drift(tmp_path: Path) -> None:
    source = json.loads(FIXTURE.read_text(encoding="utf-8"))
    source["rollups"]["reviewer_queue_readback_fixture_count"] = 4
    target = tmp_path / "ai_agent_reviewer_queue_no_write_readback_2026-06-13.json"
    target.write_text(json.dumps(source), encoding="utf-8")

    with pytest.raises(ValueError, match="rollup counts mismatch"):
        load_latest_ai_agent_reviewer_queue_no_write_readback(tmp_path)


def test_reviewer_queue_no_write_readback_rejects_forbidden_display_terms(tmp_path: Path) -> None:
    source = copy.deepcopy(json.loads(FIXTURE.read_text(encoding="utf-8")))
    source["operator_actions"][0]["operator_instruction"] = "do not expose session_id"
    target = tmp_path / "ai_agent_reviewer_queue_no_write_readback_2026-06-13.json"
    target.write_text(json.dumps(source), encoding="utf-8")

    with pytest.raises(ValueError, match="forbidden display terms"):
        load_latest_ai_agent_reviewer_queue_no_write_readback(tmp_path)
