import pytest
import json
import tempfile
import os
from slic.utils.config import Config 


def make_temp_json(data: dict) -> str:
    # Write a dictionary to a temporary JSON file.
    tmp = tempfile.NamedTemporaryFile(mode="w+", delete=False, suffix=".json")
    json.dump(data, tmp)
    tmp.close()
    return tmp.name


def test_config_with_nested_and_list_data():

    json_data = {
        "user": "charlie",
        "active": True,
        "volume": 0.85,
        "preferences": {
            "theme": "dark",
            "notifications": {
                "email": True,
                "sms": False
            }
        },
        "projects": [
            {"name": "Project A", "status": "active"},
            {"name": "Project B", "status": "archived"}
        ],
        "last_login": None,
        "tags": ["dev", "test", "prod"]
    }

    path = make_temp_json(json_data)

    try:
        cfg = Config(path)

        # Top-level checks
        assert hasattr(cfg, "user")
        assert cfg.user == "charlie"

        assert hasattr(cfg, "active")
        assert cfg.active is True

        assert hasattr(cfg, "volume")
        assert isinstance(cfg.volume, float)
        assert cfg.volume == 0.85

        assert hasattr(cfg, "last_login")
        assert cfg.last_login is None

        assert hasattr(cfg, "tags")
        assert isinstance(cfg.tags, list)
        assert cfg.tags[1] == "test"

        # Nested dict
        assert isinstance(cfg.preferences, dict)
        assert cfg.preferences["theme"] == "dark"
        assert cfg.preferences["notifications"]["sms"] is False

        # List of dicts
        assert isinstance(cfg.projects, list)
        assert cfg.projects[0]["name"] == "Project A"
        assert cfg.projects[1]["status"] == "archived"

    finally:
        os.remove(path)


def test_config_with_strange_and_edge_keys():
    
    json_data = {
        "": "empty key",
        "123": "numeric string",
        "true": False,
        "None": None,
        "spaces in key": "with spaces",
        "[]": "brackets key",
        "1": "digit string",
        "class": "reserved word",
        "user.name": "dot notation",
        "UPPERCASE": "yes",
        "camelCase": "also yes",
        "hyphen-key": "dangerous"
    }

    path = make_temp_json(json_data)

    try:
        cfg = Config(path)

        # All keys should be accessible via getattr
        assert getattr(cfg, "") == "empty key"
        assert getattr(cfg, "123") == "numeric string"
        assert getattr(cfg, "true") is False
        assert getattr(cfg, "None") is None
        assert getattr(cfg, "spaces in key") == "with spaces"
        assert getattr(cfg, "[]") == "brackets key"
        assert getattr(cfg, "1") == "digit string"
        assert getattr(cfg, "class") == "reserved word"
        assert getattr(cfg, "user.name") == "dot notation"
        assert getattr(cfg, "UPPERCASE") == "yes"
        assert getattr(cfg, "camelCase") == "also yes"
        assert getattr(cfg, "hyphen-key") == "dangerous"

        # Check that dot-access fails for bad names
        for key in ["string", "spaces", "value"]:
            with pytest.raises(AttributeError):
                _ = getattr(cfg, key)

    finally:
        os.remove(path)