"""CLI tests for CoinHunter V2."""

from __future__ import annotations

import io
import unittest
from unittest.mock import patch

from coinhunter import cli


class CLITestCase(unittest.TestCase):
    def test_help_includes_v2_commands(self):
        parser = cli.build_parser()
        help_text = parser.format_help()
        self.assertIn("init", help_text)
        self.assertIn("account", help_text)
        self.assertIn("opportunity", help_text)

    def test_init_dispatches(self):
        captured = {}
        with patch.object(cli, "ensure_init_files", return_value={"force": True, "root": "/tmp/ch"}), patch.object(
            cli, "print_output", side_effect=lambda payload, **kwargs: captured.setdefault("payload", payload)
        ):
            result = cli.main(["init", "--force"])
        self.assertEqual(result, 0)
        self.assertTrue(captured["payload"]["force"])

    def test_old_command_is_rejected(self):
        with self.assertRaises(SystemExit):
            cli.main(["exec", "bal"])

    def test_runtime_error_is_rendered_cleanly(self):
        stderr = io.StringIO()
        with patch.object(cli, "load_config", side_effect=RuntimeError("boom")), patch("sys.stderr", stderr):
            result = cli.main(["market", "tickers", "BTCUSDT"])
        self.assertEqual(result, 1)
        self.assertIn("error: boom", stderr.getvalue())

    def test_update_dispatches(self):
        captured = {}
        with patch.object(cli, "self_update", return_value={"command": "pipx upgrade coinhunter", "returncode": 0}), patch.object(
            cli, "print_output", side_effect=lambda payload, **kwargs: captured.setdefault("payload", payload)
        ):
            result = cli.main(["update"])
        self.assertEqual(result, 0)
        self.assertEqual(captured["payload"]["returncode"], 0)