import os
import textwrap
import pytest
from roundtable.config import load_bootstrap


def test_load_bootstrap_from_yaml(tmp_path):
    cfg_file = tmp_path / "config.yaml"
    cfg_file.write_text(textwrap.dedent("""\
        database:
          url: postgresql+asyncpg://user:pass@localhost/roundtable
        secret_key: test-secret
    """))
    cfg = load_bootstrap(cfg_file)
    assert cfg["database_url"] == "postgresql+asyncpg://user:pass@localhost/roundtable"
    assert cfg["secret_key"] == "test-secret"


def test_env_var_database_url_overrides_yaml(tmp_path, monkeypatch):
    cfg_file = tmp_path / "config.yaml"
    cfg_file.write_text("database:\n  url: original\nsecret_key: s\n")
    monkeypatch.setenv("FABLEDSCRYER_DATABASE_URL", "overridden")
    cfg = load_bootstrap(cfg_file)
    assert cfg["database_url"] == "overridden"


def test_env_var_secret_key_overrides_yaml(tmp_path, monkeypatch):
    cfg_file = tmp_path / "config.yaml"
    cfg_file.write_text("database:\n  url: x\nsecret_key: from-yaml\n")
    monkeypatch.setenv("FABLEDSCRYER_SECRET_KEY", "from-env")
    cfg = load_bootstrap(cfg_file)
    assert cfg["secret_key"] == "from-env"


def test_missing_database_url_raises(tmp_path):
    cfg_file = tmp_path / "config.yaml"
    cfg_file.write_text("secret_key: s\n")
    with pytest.raises(ValueError, match="Database URL is required"):
        load_bootstrap(cfg_file)