"""Integration tests for CLI commands."""

import os
import pytest
from click.testing import CliRunner
from memory_manager.cli.main import cli

TEST_DB_PATH = ".memory/test_cli_memory.db"


def clean_test_db():
    if os.path.exists(TEST_DB_PATH):
        os.remove(TEST_DB_PATH)
    db_dir = os.path.dirname(TEST_DB_PATH)
    if db_dir and not os.path.exists(db_dir):
        os.makedirs(db_dir, exist_ok=True)


@pytest.fixture(autouse=True)
def reset_env():
    clean_test_db()
    os.environ["MEMORY_DB_PATH"] = TEST_DB_PATH
    yield
    clean_test_db()


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


def test_cli_version(runner):
    result = runner.invoke(cli, ["--version"])
    assert result.exit_code == 0
    assert "0.1.0" in result.output


def test_add_command_no_tags(runner):
    result = runner.invoke(cli, [
        "add",
        "--title", "Test Decision",
        "--content", "We decided to use PostgreSQL",
        "--category", "decision",
    ])
    assert result.exit_code == 0


def test_add_command_invalid_category(runner):
    result = runner.invoke(cli, [
        "add",
        "--title", "Test",
        "--content", "Content",
        "--category", "invalid_category",
    ])
    assert result.exit_code != 0


def test_list_command_empty(runner):
    result = runner.invoke(cli, ["list"])
    assert result.exit_code == 0
    assert "No entries found" in result.output


def test_get_command_empty(runner):
    result = runner.invoke(cli, ["get", "1"])
    assert result.exit_code == 0
    assert "not found" in result.output


def test_delete_command_not_found(runner):
    result = runner.invoke(cli, ["delete", "1"])
    assert result.exit_code == 0
    assert "not found" in result.output


def test_commit_command_empty(runner):
    result = runner.invoke(cli, ["commit", "--message", "Initial commit"])
    assert result.exit_code == 0
    assert "Created commit" in result.output


def test_log_command(runner):
    runner.invoke(cli, ["commit", "--message", "Test commit"])
    result = runner.invoke(cli, ["log"])
    assert result.exit_code == 0
    assert "commit" in result.output


def test_diff_command_no_commits(runner):
    result = runner.invoke(cli, ["diff", "abc123", "def456"])
    assert result.exit_code == 0