import subprocess
import sys
from pathlib import Path

from corpus_mcp.cli import main
from corpus_mcp.database import read_corpus_info


def test_index_command_accepts_description_file(tmp_path: Path, capsys) -> None:
    source = tmp_path / "source"
    source.mkdir()
    (source / "document.txt").write_text("searchable", encoding="utf-8")
    description = tmp_path / "description.txt"
    description.write_text("CLI corpus", encoding="utf-8")
    database = tmp_path / "corpus.sqlite"

    result = main(
        [
            "index",
            str(source),
            "--database",
            str(database),
            "--description-file",
            str(description),
        ]
    )

    assert result == 0
    assert "Indexed 1 documents" in capsys.readouterr().out
    assert read_corpus_info(database)["description"] == "CLI corpus"


def test_module_help_smoke_test() -> None:
    result = subprocess.run(
        [sys.executable, "-m", "corpus_mcp", "--help"],
        check=False,
        capture_output=True,
        text=True,
    )

    assert result.returncode == 0
    assert "corpus-mcp" in result.stdout