# retoor <retoor@molodetz.nl>

from typing import Optional

from pydantic import BaseModel

from devplacepy.docs_api._shared import field
from devplacepy.docs_examples import _is_optional, schema_example


def test_field_nullable_parameter():
    f = field("bio", "query", "string", False, "", "User biography", nullable=True)
    assert f["nullable"] is True

    f2 = field("username", "path", "string", True, "alice", "Target username")
    assert f2["nullable"] is False


def test_is_optional_optional_type():
    assert _is_optional(Optional[str]) is True
    assert _is_optional(Optional[int]) is True
    assert _is_optional(Optional[list[str]]) is True


def test_is_optional_non_optional():
    assert _is_optional(str) is False
    assert _is_optional(int) is False
    assert _is_optional(list[str]) is False
    assert _is_optional(dict) is False


def test_schema_example_nullable_fields():
    class NullableModel(BaseModel):
        name: str
        bio: Optional[str] = None
        age: int
        score: Optional[int] = None
        tags: Optional[list[str]] = None

    result = schema_example(NullableModel)

    assert result["name"] == "string"
    assert result["age"] == 0
    assert result["bio"] is None
    assert result["score"] is None
    assert result["tags"] is None


def test_schema_example_non_nullable_fields_unaffected():
    class StrictModel(BaseModel):
        x: str
        y: int
        z: bool

    result = schema_example(StrictModel)

    assert result["x"] == "string"
    assert result["y"] == 0
    assert result["z"] is False