from __future__ import annotations

import json

import pytest

from src.services.ai_agent_version_freshness_snapshot import (
    load_latest_ai_agent_version_freshness_snapshot,
)


def test_load_latest_ai_agent_version_freshness_snapshot_reads_committed_snapshot():
    data = load_latest_ai_agent_version_freshness_snapshot()

    assert data["schema_version"] == "ai_agent_version_freshness_snapshot_v1"
    assert data["program_status"]["overall_completion_percent"] == 42
    assert data["program_status"]["current_task_id"] == "P2-402B"
    assert data["program_status"]["next_task_id"] == "P2-402C"
    assert data["program_status"]["read_only_mode"] is True
    assert (
        data["program_status"]["runtime_authority"]
        == "repo_only_snapshot_no_external_lookup_or_update"
    )
    assert data["scan_boundaries"]["read_only_repo_snapshot_allowed"] is True
    assert data["scan_boundaries"]["schedule_activation_allowed"] is False
    assert data["scan_boundaries"]["external_registry_lookup_allowed"] is False
    assert data["scan_boundaries"]["package_upgrade_allowed"] is False
    assert data["scan_boundaries"]["lockfile_write_allowed"] is False
    assert data["scan_boundaries"]["telegram_direct_send_allowed"] is False
    assert data["approval_boundaries"]["daily_schedule_enabled"] is False
    assert data["approval_boundaries"]["package_or_model_upgrade_allowed"] is False
    assert data["rollups"]["source_count"] == len(data["freshness_sources"]) == 12
    assert data["rollups"]["repo_only_source_count"] == 12
    assert data["rollups"]["agent_count"] == 3
    assert data["rollups"]["daily_step_count"] == 5
    assert data["rollups"]["mutation_allowed_source_count"] == 0
    assert data["rollups"]["schedule_enabled_count"] == 0
    assert data["rollups"]["telegram_direct_send_count"] == 0
    assert "javascript_workspace_manifests" in data["rollups"]["action_required_source_ids"]
    assert "dockerfiles" in data["rollups"]["action_required_source_ids"]


def test_ai_agent_version_freshness_snapshot_rejects_schedule_activation(tmp_path):
    snapshot = _snapshot()
    snapshot["scan_boundaries"]["schedule_activation_allowed"] = True
    (tmp_path / "ai_agent_version_freshness_snapshot_2026-06-11.json").write_text(
        json.dumps(snapshot),
        encoding="utf-8",
    )

    with pytest.raises(ValueError, match="scan boundaries"):
        load_latest_ai_agent_version_freshness_snapshot(tmp_path)


def test_ai_agent_version_freshness_snapshot_rejects_rollup_mismatch(tmp_path):
    snapshot = _snapshot()
    snapshot["rollups"]["source_count"] = 99
    (tmp_path / "ai_agent_version_freshness_snapshot_2026-06-11.json").write_text(
        json.dumps(snapshot),
        encoding="utf-8",
    )

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


def test_ai_agent_version_freshness_snapshot_rejects_external_lookup_source(tmp_path):
    snapshot = _snapshot()
    snapshot["freshness_sources"][0]["external_lookup_allowed"] = True
    (tmp_path / "ai_agent_version_freshness_snapshot_2026-06-11.json").write_text(
        json.dumps(snapshot),
        encoding="utf-8",
    )

    with pytest.raises(ValueError, match="blocked_external_lookup_source_ids|repo-only"):
        load_latest_ai_agent_version_freshness_snapshot(tmp_path)


def _snapshot() -> dict:
    return {
        "schema_version": "ai_agent_version_freshness_snapshot_v1",
        "generated_at": "2026-06-11T22:45:00+08:00",
        "program_status": {
            "overall_completion_percent": 42,
            "current_priority": "P2",
            "current_task_id": "P2-402B",
            "next_task_id": "P2-402C",
            "read_only_mode": True,
            "runtime_authority": "repo_only_snapshot_no_external_lookup_or_update",
            "status_note": "測試。",
        },
        "scan_boundaries": {
            "read_only_repo_snapshot_allowed": True,
            "schedule_activation_allowed": False,
            "workflow_write_allowed": False,
            "external_registry_lookup_allowed": False,
            "external_cve_lookup_allowed": False,
            "package_installation_allowed": False,
            "package_upgrade_allowed": False,
            "lockfile_write_allowed": False,
            "docker_build_allowed": False,
            "image_pull_allowed": False,
            "host_probe_allowed": False,
            "auto_pr_allowed": False,
            "auto_merge_allowed": False,
            "telegram_direct_send_allowed": False,
            "paid_external_service_allowed": False,
            "production_route_change_allowed": False,
        },
        "agent_roles": [
            {
                "agent_id": "hermes",
                "role": "測試。",
                "autonomy_level": "L1_report_only",
                "outputs": ["snapshot"],
                "approval_gate": "read_only",
            }
        ],
        "repo_scan_summary": {
            "javascript_workspace_count": 1,
            "javascript_direct_dependency_count": 2,
            "python_manifest_count": 1,
            "dockerfile_count": 1,
            "runtime_surface_count": 1,
            "committed_inventory_refs": ["docs/evaluations/example.json"],
            "stale_committed_inventory_refs": ["docs/evaluations/example.json"],
        },
        "daily_snapshot_design": [
            {
                "step_id": "collect",
                "sequence": 1,
                "owner_agent": "hermes",
                "allowed_now": True,
                "planned_output": "snapshot",
                "blocked_now": ["upgrade"],
            }
        ],
        "freshness_sources": [
            {
                "source_id": "javascript_workspace_manifests",
                "domain": "javascript_packages",
                "source_type": "repo_only",
                "owner_agent": "hermes",
                "status": "action_required",
                "freshness_basis": "manifest",
                "current_signal": "test",
                "external_lookup_allowed": False,
                "mutation_allowed": False,
                "action_required": True,
                "evidence_refs": ["package.json"],
                "next_action": "review",
            }
        ],
        "approval_boundaries": {
            "daily_schedule_enabled": False,
            "external_source_lookup_allowed": False,
            "package_or_model_upgrade_allowed": False,
            "host_or_k3s_probe_allowed": False,
            "telegram_digest_send_allowed": False,
            "gitea_pr_creation_allowed": False,
            "production_route_change_allowed": False,
        },
        "rollups": {
            "source_count": 1,
            "repo_only_source_count": 1,
            "agent_count": 1,
            "daily_step_count": 1,
            "action_required_source_ids": ["javascript_workspace_manifests"],
            "blocked_external_lookup_source_ids": ["javascript_workspace_manifests"],
            "mutation_allowed_source_count": 0,
            "schedule_enabled_count": 0,
            "telegram_direct_send_count": 0,
            "next_approval_task_ids": ["P2-402C"],
        },
    }