"""Tests for ``muse hooks`` CLI — musehub#192 Phase 1: HK_03 (`muse hooks list`).

Phase 1 scope only: reads the tracked ``.musehooks.toml`` and prints its
contents. No local activation state yet (Phase 2) and no ``muse commit``
integration yet (Phase 3).
"""

from __future__ import annotations

import json
import pathlib

from tests.cli_test_helper import CliRunner

runner = CliRunner()


def _invoke(path: pathlib.Path, args: list[str]):
    import os
    saved = os.getcwd()
    try:
        os.chdir(path)
        return runner.invoke(None, args)
    finally:
        os.chdir(saved)


def _init_repo(path: pathlib.Path, domain: str = "code") -> None:
    r = _invoke(path, ["init", "--domain", domain])
    assert r.exit_code == 0, r.output


def _write_hooks(path: pathlib.Path, content: str) -> None:
    (path / ".musehooks.toml").write_text(content, encoding="utf-8")


class TestHooksListNoFile:
    def test_no_musehooks_file_json_reports_empty(self, tmp_path: pathlib.Path) -> None:
        _init_repo(tmp_path)
        r = _invoke(tmp_path, ["hooks", "list", "--json"])
        assert r.exit_code == 0, r.output
        data = json.loads(r.output)
        assert data["hooks"] == {}

    def test_no_musehooks_file_text_says_none_defined(self, tmp_path: pathlib.Path) -> None:
        _init_repo(tmp_path)
        r = _invoke(tmp_path, ["hooks", "list"])
        assert r.exit_code == 0, r.output
        assert "no" in r.output.lower() or "none" in r.output.lower()


class TestHooksListWithFile:
    def test_json_reports_pre_commit_commands(self, tmp_path: pathlib.Path) -> None:
        _init_repo(tmp_path)
        _write_hooks(
            tmp_path,
            '[pre-commit]\ncommands = ["muse agent-config status --json"]\n',
        )
        r = _invoke(tmp_path, ["hooks", "list", "--json"])
        assert r.exit_code == 0, r.output
        data = json.loads(r.output)
        assert data["hooks"]["pre-commit"] == ["muse agent-config status --json"]

    def test_text_mode_shows_hook_point_and_commands(self, tmp_path: pathlib.Path) -> None:
        _init_repo(tmp_path)
        _write_hooks(
            tmp_path,
            '[pre-commit]\ncommands = ["muse agent-config status --json"]\n',
        )
        r = _invoke(tmp_path, ["hooks", "list"])
        assert r.exit_code == 0, r.output
        assert "pre-commit" in r.output
        assert "muse agent-config status --json" in r.output


class TestHooksListErrors:
    def test_malformed_toml_exits_1_with_clear_message(self, tmp_path: pathlib.Path) -> None:
        _init_repo(tmp_path)
        _write_hooks(tmp_path, "[pre-commit\ncommands = [")
        r = _invoke(tmp_path, ["hooks", "list", "--json"])
        assert r.exit_code == 1
        assert "parse error" in r.stderr.lower()

    def test_unknown_hook_point_exits_1_with_clear_message(self, tmp_path: pathlib.Path) -> None:
        _init_repo(tmp_path)
        _write_hooks(tmp_path, '[bogus-point]\ncommands = ["echo hi"]\n')
        r = _invoke(tmp_path, ["hooks", "list", "--json"])
        assert r.exit_code == 1
        assert "unknown hook point" in r.stderr.lower()

    def test_not_a_repo_exits_2(self, tmp_path: pathlib.Path) -> None:
        r = _invoke(tmp_path, ["hooks", "list", "--json"])
        assert r.exit_code == 2