"""Tests for castle info command."""

from __future__ import annotations

import json
from argparse import Namespace
from pathlib import Path
from unittest.mock import patch


class TestInfoCommand:
    """Tests for the info command."""

    def test_info_service(self, castle_root: Path, capsys) -> None:
        """Show info for a service."""
        from castle_cli.config import load_config

        with patch("castle_cli.commands.info.load_config") as mock_load:
            mock_load.return_value = load_config(castle_root)

            from castle_cli.commands.info import run_info

            result = run_info(Namespace(project="test-svc", json=False))

        assert result == 0
        output = capsys.readouterr().out
        assert "test-svc" in output
        assert "service" in output
        assert "19000" in output

    def test_info_tool(self, castle_root: Path, capsys) -> None:
        """Show info for a tool."""
        from castle_cli.config import load_config

        with patch("castle_cli.commands.info.load_config") as mock_load:
            mock_load.return_value = load_config(castle_root)

            from castle_cli.commands.info import run_info

            result = run_info(Namespace(project="test-tool", json=False))

        assert result == 0
        output = capsys.readouterr().out
        assert "test-tool" in output
        assert "tool" in output

    def test_info_not_found(self, castle_root: Path, capsys) -> None:
        """Info for nonexistent component returns error."""
        from castle_cli.config import load_config

        with patch("castle_cli.commands.info.load_config") as mock_load:
            mock_load.return_value = load_config(castle_root)

            from castle_cli.commands.info import run_info

            result = run_info(Namespace(project="nope", json=False))

        assert result == 1
        output = capsys.readouterr().out
        assert "not found" in output

    def test_info_json(self, castle_root: Path, capsys) -> None:
        """--json produces valid JSON with manifest fields."""
        from castle_cli.config import load_config

        with patch("castle_cli.commands.info.load_config") as mock_load:
            mock_load.return_value = load_config(castle_root)

            from castle_cli.commands.info import run_info

            result = run_info(Namespace(project="test-svc", json=True))

        assert result == 0
        output = capsys.readouterr().out
        data = json.loads(output)
        assert data["id"] == "test-svc"
        assert "service" in data["roles"]
        assert data["expose"]["http"]["internal"]["port"] == 19000

    def test_info_shows_claude_md(self, castle_root: Path, capsys) -> None:
        """Info shows CLAUDE.md content when present."""
        project_dir = castle_root / "test-svc"
        project_dir.mkdir(exist_ok=True)
        (project_dir / "CLAUDE.md").write_text("# Test Service\n\nSome docs here.")

        from castle_cli.config import load_config

        with patch("castle_cli.commands.info.load_config") as mock_load:
            mock_load.return_value = load_config(castle_root)

            from castle_cli.commands.info import run_info

            result = run_info(Namespace(project="test-svc", json=False))

        assert result == 0
        output = capsys.readouterr().out
        assert "Some docs here" in output

    def test_info_json_includes_claude_md(self, castle_root: Path, capsys) -> None:
        """--json includes claude_md field when CLAUDE.md exists."""
        project_dir = castle_root / "test-svc"
        project_dir.mkdir(exist_ok=True)
        (project_dir / "CLAUDE.md").write_text("# Docs\n")

        from castle_cli.config import load_config

        with patch("castle_cli.commands.info.load_config") as mock_load:
            mock_load.return_value = load_config(castle_root)

            from castle_cli.commands.info import run_info

            result = run_info(Namespace(project="test-svc", json=True))

        assert result == 0
        data = json.loads(capsys.readouterr().out)
        assert "claude_md" in data
        assert "# Docs" in data["claude_md"]

    def test_info_shows_env(self, castle_root: Path, capsys) -> None:
        """Info displays environment variables."""
        from castle_cli.config import load_config

        with patch("castle_cli.commands.info.load_config") as mock_load:
            mock_load.return_value = load_config(castle_root)

            from castle_cli.commands.info import run_info

            result = run_info(Namespace(project="test-svc", json=False))

        assert result == 0
        output = capsys.readouterr().out
        assert "TEST_SVC_DATA_DIR" in output

    def test_info_shows_roles(self, castle_root: Path, capsys) -> None:
        """Info displays derived roles."""
        from castle_cli.config import load_config

        with patch("castle_cli.commands.info.load_config") as mock_load:
            mock_load.return_value = load_config(castle_root)

            from castle_cli.commands.info import run_info

            result = run_info(Namespace(project="test-svc", json=False))

        assert result == 0
        output = capsys.readouterr().out
        assert "roles" in output
        assert "service" in output