import pytest
import os
from click.testing import CliRunner
from ocrag.cli import main
from ocrag.db import RagDB


@pytest.fixture
def runner():
    return CliRunner()


@pytest.fixture
def setup_test_env(tmpdir):
    # Create test files
    os.makedirs(os.path.join(tmpdir, "test_dir"))
    with open(os.path.join(tmpdir, "test_dir", "file1.py"), "w") as f:
        f.write("def test_func():\n    pass")
    with open(os.path.join(tmpdir, "test_file.py"), "w") as f:
        f.write("print('Hello')")
    return tmpdir


def test_add_command(runner, setup_test_env, tmpdir):
    # Use temporary DB
    db_path = os.path.join(tmpdir, "test_db.lance")
    os.environ["OCRAG_DB_PATH"] = db_path

    result = runner.invoke(main, ["add", os.path.join(setup_test_env, "test_file.py")])
    assert "test_file.py" in result.output
    assert "总计添加" in result.output
    assert result.exit_code == 0


def test_search_command(runner, setup_test_env, tmpdir):
    # Use temporary DB and add a file first
    db_path = os.path.join(tmpdir, "test_db.lance")
    os.environ["OCRAG_DB_PATH"] = db_path

    add_result = runner.invoke(
        main, ["add", os.path.join(setup_test_env, "test_file.py")]
    )
    assert add_result.exit_code == 0

    # Search
    result = runner.invoke(main, ["search", "Hello"])
    assert "Hello" in result.output
    assert "来源: " in result.output


def test_list_command(runner, setup_test_env, tmpdir):
    # Use temporary DB and add a file first
    db_path = os.path.join(tmpdir, "test_db.lance")
    os.environ["OCRAG_DB_PATH"] = db_path

    add_result = runner.invoke(
        main, ["add", os.path.join(setup_test_env, "test_file.py")]
    )
    assert add_result.exit_code == 0

    # List
    result = runner.invoke(main, ["list"])
    assert "test_file.py" in result.output