"""Envelope tests for ``muse agent-config`` subcommands."""
from __future__ import annotations
import json, os, pathlib
import pytest
from tests.cli_test_helper import CliRunner

runner = CliRunner()

def _invoke(repo, args):
    saved = os.getcwd()
    try:
        os.chdir(repo)
        return runner.invoke(None, args)
    finally:
        os.chdir(saved)

@pytest.fixture()
def repo(tmp_path):
    saved = os.getcwd()
    try:
        os.chdir(tmp_path)
        runner.invoke(None, ["init"])
    finally:
        os.chdir(saved)
    return tmp_path

_CMDS = ["init", "status", "inspect"]

class TestAgentConfigEnvelope:
    def _check(self, r):
        assert r.exit_code == 0, r.output
        d = json.loads(r.output)
        for field in ("muse_version", "schema", "timestamp", "warnings"):
            assert field in d, f"missing {field}"
        assert "schema_version" not in d
        return d

    def test_init_envelope(self, repo):
        self._check(_invoke(repo, ["agent-config", "init", "-j"]))

    def test_status_envelope(self, repo):
        _invoke(repo, ["agent-config", "init"])
        self._check(_invoke(repo, ["agent-config", "status", "-j"]))

    def test_inspect_envelope(self, repo):
        _invoke(repo, ["agent-config", "init"])
        self._check(_invoke(repo, ["agent-config", "inspect", "-j"]))

    def test_sync_envelope(self, repo):
        _invoke(repo, ["agent-config", "init"])
        self._check(_invoke(repo, ["agent-config", "sync", "-j"]))

    def test_read_envelope(self, repo):
        _invoke(repo, ["agent-config", "init"])
        self._check(_invoke(repo, ["agent-config", "read", "-j"]))