from __future__ import annotations

import pytest
from pydantic import ValidationError


def _minimal_env(**overrides) -> dict:
    base = {
        "TESTNET_TOKEN": "t_test_123",
        "MAINNET_TOKEN": "t_live_456",
        "DERIBIT_CLIENT_ID": "id",
        "DERIBIT_CLIENT_SECRET": "secret",
        "DERIBIT_URL_LIVE": "https://www.deribit.com/api/v2",
        "DERIBIT_URL_TESTNET": "https://test.deribit.com/api/v2",
        "BYBIT_API_KEY": "k",
        "BYBIT_API_SECRET": "s",
        "BYBIT_URL_LIVE": "https://api.bybit.com",
        "BYBIT_URL_TESTNET": "https://api-testnet.bybit.com",
        "HYPERLIQUID_WALLET_ADDRESS": "0xabc",
        "HYPERLIQUID_API_WALLET_ADDRESS": "0xdef",
        "HYPERLIQUID_PRIVATE_KEY": "0x123",
        "HYPERLIQUID_URL_LIVE": "https://api.hyperliquid.xyz",
        "HYPERLIQUID_URL_TESTNET": "https://api.hyperliquid-testnet.xyz",
        "ALPACA_API_KEY_ID": "k",
        "ALPACA_SECRET_KEY": "s",
        "ALPACA_URL_LIVE": "https://api.alpaca.markets",
        "ALPACA_URL_TESTNET": "https://paper-api.alpaca.markets",
        "FRED_API_KEY": "x",
        "FINNHUB_API_KEY": "y",
        "CRYPTOPANIC_KEY": "z",
        "LUNARCRUSH_KEY": "w",
    }
    base.update(overrides)
    return base


def test_settings_load_minimal(monkeypatch):
    for k, v in _minimal_env().items():
        monkeypatch.setenv(k, v)
    monkeypatch.setenv("PORT", "9123")

    from cerbero_mcp.settings import Settings

    s = Settings()
    assert s.port == 9123
    assert s.host == "0.0.0.0"
    assert s.testnet_token.get_secret_value() == "t_test_123"
    assert s.mainnet_token.get_secret_value() == "t_live_456"
    assert s.deribit.url_testnet.endswith("test.deribit.com/api/v2")
    assert s.bybit.max_leverage == 3
    assert s.alpaca.max_leverage == 1


def test_settings_missing_token_fails(monkeypatch):
    env = _minimal_env()
    env.pop("TESTNET_TOKEN")
    for k, v in env.items():
        monkeypatch.setenv(k, v)
    monkeypatch.delenv("TESTNET_TOKEN", raising=False)

    from cerbero_mcp.settings import Settings

    with pytest.raises(ValidationError):
        Settings()


def test_settings_extras_ignored(monkeypatch):
    for k, v in _minimal_env().items():
        monkeypatch.setenv(k, v)
    monkeypatch.setenv("UNRELATED_VAR", "ignored")

    from cerbero_mcp.settings import Settings

    s = Settings()
    assert s.testnet_token.get_secret_value() == "t_test_123"


def test_settings_secret_str_no_leak(monkeypatch):
    for k, v in _minimal_env().items():
        monkeypatch.setenv(k, v)

    from cerbero_mcp.settings import Settings

    s = Settings()
    assert "t_test_123" not in repr(s)
    assert "t_live_456" not in repr(s)