from pathlib import Path

from genesis.config import Settings

FIXTURES = Path(__file__).parent / "fixtures"


def test_from_dir_maps_yaml_fields():
    s = Settings.from_dir(FIXTURES)
    assert s.app.server.max_upload_mb == 10
    assert s.app.session["sqlite_path"] == "C:/tmp/genesis.db"
    assert s.app.task_queue["timeout_sec"] == 300
    assert s.inference.models.primary.name == "deepseek-chat"
    assert s.inference.llm_calls.max_context_tokens == 16000
    assert s.inference.structured_output.max_parse_retry == 3
    assert s.rag.embedding.model == "BAAI/bge-small-zh-v1.5"
    assert s.rag.retrieval.rrf_k == 42


def test_defaults_when_dir_empty(tmp_path):
    s = Settings.from_dir(tmp_path)
    assert s.app.name == "genesis"
    assert s.app.server.max_upload_mb == 100
    assert s.app.task_queue["backend"] == "memory"
    assert s.inference.models.primary.name == "deepseek-chat"
    assert s.rag.embedding.model == "BAAI/bge-small-zh-v1.5"
    assert s.rag.retrieval.rrf_k == 60


def test_env_override_yaml(monkeypatch):
    monkeypatch.setenv("GENESIS_APP__SERVER__MAX_UPLOAD_MB", "25")
    s = Settings.from_dir(FIXTURES)
    assert s.app.server.max_upload_mb == 25


def test_env_create_missing_key(monkeypatch):
    monkeypatch.setenv("GENESIS_RAG__RETRIEVAL__DEFAULT_TOP_K", "7")
    s = Settings.from_dir(FIXTURES)
    assert s.rag.retrieval.default_top_k == 7


def test_env_placeholder_expansion(monkeypatch):
    monkeypatch.setenv("QDRANT_API_KEY", "sk-test-xyz")
    s = Settings.from_dir(FIXTURES)
    assert s.rag.vector_store.qdrant.api_key == "sk-test-xyz"


def test_redacted_hides_secrets():
    s = Settings.from_dir(FIXTURES)
    red = s.get_redacted()
    assert red["rag"]["vector_store"]["qdrant"]["api_key"] == "***"


def test_expand_env_list_branch(monkeypatch):
    # _expand_env 的 list 分支（L134）：列表项递归展开环境占位
    from genesis.config import _expand_env
    monkeypatch.setenv("QDRANT_API_KEY", "sk-list-xyz")
    data = {"models": [{"name": "a", "key": "${QDRANT_API_KEY}"}, "plain"]}
    out = _expand_env(data)
    assert out["models"][0]["key"] == "sk-list-xyz"
    assert out["models"][1] == "plain"