from __future__ import annotations

import json

import pytest

from src.services.ai_agent_proactive_operations_contract import (
    load_latest_ai_agent_proactive_operations_contract,
)


def test_load_latest_ai_agent_proactive_operations_contract_reads_committed_snapshot():
    data = load_latest_ai_agent_proactive_operations_contract()

    assert data["schema_version"] == "ai_agent_proactive_operations_contract_v1"
    assert data["program_status"]["overall_completion_percent"] == 100
    assert data["program_status"]["current_task_id"] == "P2-403J"
    assert data["program_status"]["next_task_id"] == "P2-403K"
    assert data["program_status"]["read_only_mode"] is True
    assert data["program_status"]["runtime_authority"] == "contract_only_no_version_or_runtime_update"
    assert data["approval_boundaries"]["runtime_version_update_allowed"] is False
    assert data["approval_boundaries"]["package_upgrade_allowed"] is False
    assert data["approval_boundaries"]["host_upgrade_allowed"] is False
    assert data["approval_boundaries"]["workflow_schedule_enabled"] is False
    assert data["approval_boundaries"]["telegram_direct_send_allowed"] is False
    assert data["rollups"]["version_domain_count"] == len(data["version_lifecycle_domains"]) == 12
    assert data["rollups"]["delegable_capability_count"] == len(data["delegable_capabilities"]) == 24
    assert data["rollups"]["rollout_task_count"] == len(data["rollout_tasks"]) == 17
    assert data["rollups"]["auto_execute_allowed_count"] == 0
    assert any(domain["domain_id"] == "ai_agents_models" for domain in data["version_lifecycle_domains"])
    assert any(
        capability["capability_id"] == "telegram_delivery_audit"
        for capability in data["delegable_capabilities"]
    )


def test_load_latest_ai_agent_proactive_operations_contract_rejects_version_update(tmp_path):
    snapshot = _snapshot()
    snapshot["approval_boundaries"]["package_upgrade_allowed"] = True
    (tmp_path / "ai_agent_proactive_operations_contract_2026-06-11.json").write_text(
        json.dumps(snapshot),
        encoding="utf-8",
    )

    with pytest.raises(ValueError, match="approval boundaries"):
        load_latest_ai_agent_proactive_operations_contract(tmp_path)


def test_load_latest_ai_agent_proactive_operations_contract_rejects_rollup_mismatch(tmp_path):
    snapshot = _snapshot()
    snapshot["rollups"]["delegable_capability_count"] = 99
    (tmp_path / "ai_agent_proactive_operations_contract_2026-06-11.json").write_text(
        json.dumps(snapshot),
        encoding="utf-8",
    )

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


def test_load_latest_ai_agent_proactive_operations_contract_rejects_auto_execute(tmp_path):
    snapshot = _snapshot()
    snapshot["delegable_capabilities"][0]["automation_level"] = "L5_auto_execute"
    snapshot["rollups"]["auto_execute_allowed_count"] = 1
    (tmp_path / "ai_agent_proactive_operations_contract_2026-06-11.json").write_text(
        json.dumps(snapshot),
        encoding="utf-8",
    )

    with pytest.raises(ValueError, match="auto execute"):
        load_latest_ai_agent_proactive_operations_contract(tmp_path)


def _snapshot() -> dict:
    return {
        "schema_version": "ai_agent_proactive_operations_contract_v1",
        "generated_at": "2026-06-11T21:30:00+08:00",
        "program_status": {
            "overall_completion_percent": 30,
            "current_priority": "P2",
            "current_task_id": "P2-402A",
            "next_task_id": "P2-402B",
            "read_only_mode": True,
            "runtime_authority": "contract_only_no_version_or_runtime_update",
        },
        "delegation_model": {
            "autonomy_levels": [],
            "agent_responsibilities": [],
            "telegram_policy": {},
        },
        "version_lifecycle_domains": [
            {
                "domain_id": "python_packages",
                "display_name": "Python",
                "primary_owner": "hermes",
                "cadence": "daily",
                "current_allowed_autonomy": "L2_approval_package_only",
                "update_authority": "dependency approval",
                "approval_gate": "dependency_approval_required",
            }
        ],
        "delegable_capabilities": [
            {
                "capability_id": "version_discovery_freshness",
                "display_name": "版本發現",
                "primary_owner": "hermes",
                "risk_tier": "low",
                "automation_level": "L1_report_only",
                "outputs": ["report"],
                "approval_gate": "read_only_allowed",
                "telegram_policy": "failure_only",
            }
        ],
        "cadence_matrix": [
            {
                "cadence_id": "daily_repo_only",
                "frequency": "daily",
                "scope": "repo",
                "allowed_now": True,
                "next_gate": "none",
            },
            {
                "cadence_id": "weekly_external_primary_sources",
                "frequency": "weekly",
                "scope": "external",
                "allowed_now": False,
                "next_gate": "approval",
            },
        ],
        "mcp_tool_requirements": [
            {
                "tool_id": "gitea_release_pr_mcp",
                "display_name": "Gitea",
                "purpose": "測試。",
                "owner_agent": "hermes",
                "status": "planned",
                "approval_gate": "write_requires_human_gate",
            }
        ],
        "rag_memory_contract": [
            {
                "memory_id": "version_history",
                "display_name": "Version",
                "storage": "PostgreSQL",
                "owner_agent": "hermes",
                "purpose": "測試。",
                "redaction_policy": "no secrets",
            }
        ],
        "rollout_tasks": [
            {
                "task_id": "P2-402A",
                "priority": "P2",
                "status": "done",
                "completion_percent": 100,
                "owner_agent": "Hermes",
                "summary": "測試。",
                "next_gate": "deploy",
            }
        ],
        "approval_boundaries": {
            "runtime_version_update_allowed": False,
            "package_upgrade_allowed": False,
            "host_upgrade_allowed": False,
            "container_pull_allowed": False,
            "workflow_schedule_enabled": False,
            "auto_merge_allowed": False,
            "telegram_direct_send_allowed": False,
            "secret_plaintext_allowed": False,
            "paid_external_service_allowed": False,
            "production_route_change_allowed": False,
        },
        "rollups": {
            "version_domain_count": 1,
            "delegable_capability_count": 1,
            "cadence_count": 2,
            "mcp_tool_count": 1,
            "rag_memory_count": 1,
            "rollout_task_count": 1,
            "auto_execute_allowed_count": 0,
            "approval_required_capability_count": 1,
            "blocked_update_domain_ids": ["python_packages"],
            "telegram_action_required_capability_ids": [],
        },
    }