"""Error remediation for secret sources.

Covers the ErrorKind classification of Bitwarden's `invalid_client`
identity reject, the bws stderr summarizer, the per-source
``remediation()`` hook, and the env_loader startup hint printer.
"""
from __future__ import annotations

from pathlib import Path
from unittest import mock

import pytest

from agent.secret_sources import bitwarden as bw
from agent.secret_sources import onepassword as op
from agent.secret_sources.base import ErrorKind, SecretSource
from agent.secret_sources.bitwarden import (
    BitwardenSource,
    _classify_bws_error,
    _summarize_bws_stderr,
)
from agent.secret_sources.onepassword import OnePasswordSource


_BWS_INVALID_CLIENT_DUMP = """\
Error:
   0: Received error message from server: [400 Bad Request] {"error":"invalid_client"}

Location:
   crates/bws/src/main.rs:108

Backtrace omitted. Run with RUST_BACKTRACE=1 environment variable to display it.
Run with RUST_BACKTRACE=full to include source snippets.
"""


# ---------------------------------------------------------------------------
# _summarize_bws_stderr
# ---------------------------------------------------------------------------


def test_summarize_strips_rust_report_noise():
    summary = _summarize_bws_stderr(_BWS_INVALID_CLIENT_DUMP)
    assert "invalid_client" in summary
    assert "Location:" not in summary
    assert "main.rs" not in summary
    assert "Backtrace" not in summary
    assert "Error:" not in summary






# ---------------------------------------------------------------------------
# _classify_bws_error — the invalid_client identity reject is an auth failure
# ---------------------------------------------------------------------------






# ---------------------------------------------------------------------------
# BitwardenSource.fetch — auth failures get a human explanation
# ---------------------------------------------------------------------------


def test_fetch_auth_failure_gets_friendly_error(monkeypatch, tmp_path):
    src = BitwardenSource()
    monkeypatch.setenv("BWS_ACCESS_TOKEN", "0.dead")
    monkeypatch.setattr(bw, "find_bws", lambda install_if_missing=True: tmp_path / "bws")

    def boom(**kwargs):
        raise RuntimeError(
            'bws exited 1: Received error message from server: '
            '[400 Bad Request] {"error":"invalid_client"}'
        )

    monkeypatch.setattr(bw, "fetch_bitwarden_secrets", boom)
    result = src.fetch({"enabled": True, "project_id": "p"}, tmp_path)
    assert result.error_kind == ErrorKind.AUTH_FAILED
    assert "revoked, expired" in result.error
    assert "BWS_ACCESS_TOKEN" in result.error
    assert "invalid_client" in result.error  # mechanics preserved


# ---------------------------------------------------------------------------
# remediation() hook
# ---------------------------------------------------------------------------




def test_onepassword_auth_remediation_points_at_token_command():
    hint = OnePasswordSource().remediation(ErrorKind.AUTH_FAILED, {})
    assert "hermes secrets onepassword token" in hint
    assert "OP_SERVICE_ACCOUNT_TOKEN" in hint






def test_remediation_never_raises_on_junk_cfg():
    for cfg in (None, [], "nope", 42):
        assert isinstance(BitwardenSource().remediation(ErrorKind.AUTH_FAILED, cfg), str)
        assert isinstance(OnePasswordSource().remediation(ErrorKind.AUTH_FAILED, cfg), str)


# ---------------------------------------------------------------------------
# env_loader startup hint
# ---------------------------------------------------------------------------


def test_env_loader_prints_remediation_hint(tmp_path, monkeypatch, capsys):
    from hermes_cli import env_loader
    from agent.secret_sources import registry

    registry._reset_registry_for_tests()
    env_loader.reset_secret_source_cache()

    home = tmp_path / ".hermes"
    home.mkdir()
    (home / "config.yaml").write_text(
        "secrets:\n"
        "  bitwarden:\n"
        "    enabled: true\n"
        "    project_id: proj\n"
    )
    monkeypatch.setenv("BWS_ACCESS_TOKEN", "0.dead")
    monkeypatch.setattr(bw, "find_bws", lambda install_if_missing=True: tmp_path / "bws")

    def boom(**kwargs):
        raise RuntimeError(
            'bws exited 1: Received error message from server: '
            '[400 Bad Request] {"error":"invalid_client"}'
        )

    monkeypatch.setattr(bw, "fetch_bitwarden_secrets", boom)
    try:
        env_loader._apply_external_secret_sources(home)
    finally:
        registry._reset_registry_for_tests()
        env_loader.reset_secret_source_cache()

    err = capsys.readouterr().err
    assert "rejected the machine-account access token" in err
    assert "hermes secrets bitwarden token" in err