from __future__ import annotations

import copy
import json
from pathlib import Path

import pytest

from src.services.ai_agent_result_capture_release_decision_input_prep import (
    load_latest_ai_agent_result_capture_release_decision_input_prep,
)


def test_load_latest_release_decision_input_prep_snapshot() -> None:
    snapshot = load_latest_ai_agent_result_capture_release_decision_input_prep()

    assert snapshot["schema_version"] == "ai_agent_result_capture_release_decision_input_prep_v1"
    assert snapshot["program_status"]["current_task_id"] == "P2-141"
    assert snapshot["program_status"]["next_task_id"] == "P2-142"
    assert snapshot["program_status"]["overall_completion_percent"] == 100
    assert snapshot["program_status"]["runtime_authority"] == "result_capture_release_decision_input_prep_only_no_live_write"

    rollups = snapshot["rollups"]
    assert rollups["decision_input_packet_count"] == 5
    assert rollups["missing_input_field_count"] == 18
    assert rollups["blocked_input_transition_count"] == 6
    assert rollups["operator_action_count"] == 5
    assert rollups["approval_required_subtotal"] == 12
    assert rollups["blocked_and_critical_subtotal"] == 12
    assert rollups["reviewer_queue_write_count"] == 0
    assert rollups["gateway_queue_write_count"] == 0
    assert rollups["telegram_send_count"] == 0
    assert rollups["bot_api_call_count"] == 0
    assert rollups["result_capture_write_count"] == 0
    assert rollups["learning_write_count"] == 0
    assert rollups["playbook_trust_write_count"] == 0
    assert rollups["production_write_count"] == 0


def test_decision_input_truth_does_not_grant_release_or_writes() -> None:
    snapshot = load_latest_ai_agent_result_capture_release_decision_input_prep()
    truth = snapshot["decision_input_truth"]

    assert truth["p2_140_next_handoff_loaded"] is True
    assert truth["next_task_id_alignment_checked"] is True
    assert truth["stale_self_loop_containment_inherited"] is True
    assert truth["p2_141_input_prep_only"] is True
    assert truth["owner_input_packet_required"] is True
    assert truth["verifier_input_packet_required"] is True
    assert truth["release_authorization_granted"] is False
    assert truth["reviewer_queue_write_enabled"] is False
    assert truth["gateway_queue_write_enabled"] is False
    assert truth["telegram_send_enabled"] is False
    assert truth["production_write_enabled"] is False
    assert truth["secret_read_enabled"] is False
    assert truth["destructive_operation_enabled"] is False


def test_rejects_missing_decision_input_packet(tmp_path: Path) -> None:
    snapshot = copy.deepcopy(load_latest_ai_agent_result_capture_release_decision_input_prep())
    snapshot["decision_input_packets"] = snapshot["decision_input_packets"][:-1]
    snapshot["rollups"]["decision_input_packet_count"] = 4
    _write_snapshot(tmp_path, snapshot)

    with pytest.raises(ValueError, match="decision input packets ids mismatch"):
        load_latest_ai_agent_result_capture_release_decision_input_prep(tmp_path)


def test_rejects_packet_without_missing_fields(tmp_path: Path) -> None:
    snapshot = copy.deepcopy(load_latest_ai_agent_result_capture_release_decision_input_prep())
    snapshot["decision_input_packets"][0]["missing_fields"] = []
    snapshot["rollups"]["missing_input_field_count"] = 12
    _write_snapshot(tmp_path, snapshot)

    with pytest.raises(ValueError, match="missing_fields is required"):
        load_latest_ai_agent_result_capture_release_decision_input_prep(tmp_path)


def test_rejects_gateway_write_drift(tmp_path: Path) -> None:
    snapshot = copy.deepcopy(load_latest_ai_agent_result_capture_release_decision_input_prep())
    snapshot["rollups"]["gateway_queue_write_count"] = 1
    _write_snapshot(tmp_path, snapshot)

    with pytest.raises(ValueError, match="rollups mismatch"):
        load_latest_ai_agent_result_capture_release_decision_input_prep(tmp_path)


def test_rejects_forbidden_display_terms(tmp_path: Path) -> None:
    snapshot = copy.deepcopy(load_latest_ai_agent_result_capture_release_decision_input_prep())
    snapshot["operator_actions"][0]["operator_instruction"] = "不要顯示 raw_prompt"
    _write_snapshot(tmp_path, snapshot)

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


def test_rejects_chinese_forbidden_display_terms(tmp_path: Path) -> None:
    snapshot = copy.deepcopy(load_latest_ai_agent_result_capture_release_decision_input_prep())
    snapshot["operator_actions"][0]["operator_instruction"] = "不要顯示工作視窗內容"
    _write_snapshot(tmp_path, snapshot)

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


def _write_snapshot(directory: Path, payload: dict) -> None:
    path = directory / "ai_agent_result_capture_release_decision_input_prep_2099-01-01.json"
    path.write_text(json.dumps(payload, ensure_ascii=False), encoding="utf-8")
