"""Tests for router CLI argument parsing."""

from unittest.mock import patch, MagicMock

import pytest

# We can't easily test main() since it calls asyncio.run(bootstrap),
# but we can test the argument parser by importing and patching.


class TestRouterCLIArgs:
    def _parse(self, args):
        """Parse args using the router's argparse setup."""
        import argparse
        parser = argparse.ArgumentParser(description="I2P Python Router")
        parser.add_argument("--host", default="0.0.0.0")
        parser.add_argument("--port", type=int, default=9700)
        parser.add_argument("--health-port", type=int, default=9701)
        parser.add_argument("--data-dir", default="~/.i2p-python")
        parser.add_argument("--reseed", action="store_true")
        parser.add_argument("--setup", nargs="?", const="auto", metavar="MODE")
        parser.add_argument("--log-level", default="INFO",
                            choices=["DEBUG", "INFO", "WARNING", "ERROR"])
        return parser.parse_args(args)

    def test_defaults(self):
        args = self._parse([])
        assert args.host == "0.0.0.0"
        assert args.port == 9700
        assert args.health_port == 9701
        assert args.data_dir == "~/.i2p-python"
        assert args.reseed is False
        assert args.setup is None
        assert args.log_level == "INFO"

    def test_custom_port(self):
        args = self._parse(["--port", "12345"])
        assert args.port == 12345

    def test_custom_host(self):
        args = self._parse(["--host", "127.0.0.1"])
        assert args.host == "127.0.0.1"

    def test_reseed_flag(self):
        args = self._parse(["--reseed"])
        assert args.reseed is True

    def test_setup_auto(self):
        args = self._parse(["--setup"])
        assert args.setup == "auto"

    def test_setup_paranoid(self):
        args = self._parse(["--setup", "paranoid"])
        assert args.setup == "paranoid"

    def test_setup_performance(self):
        args = self._parse(["--setup", "performance"])
        assert args.setup == "performance"

    def test_setup_interactive(self):
        args = self._parse(["--setup", "interactive"])
        assert args.setup == "interactive"

    def test_log_level_debug(self):
        args = self._parse(["--log-level", "DEBUG"])
        assert args.log_level == "DEBUG"

    def test_data_dir(self):
        args = self._parse(["--data-dir", "/tmp/test-i2p"])
        assert args.data_dir == "/tmp/test-i2p"

    def test_health_port(self):
        args = self._parse(["--health-port", "9999"])
        assert args.health_port == 9999

    def test_all_options(self):
        args = self._parse([
            "--host", "0.0.0.0",
            "--port", "9800",
            "--health-port", "9801",
            "--data-dir", "/data/i2p",
            "--reseed",
            "--setup", "paranoid",
            "--log-level", "WARNING",
        ])
        assert args.port == 9800
        assert args.health_port == 9801
        assert args.reseed is True
        assert args.setup == "paranoid"
        assert args.log_level == "WARNING"