"""Shared pytest fixtures."""

from __future__ import annotations

import json
from typing import Any

import pytest
from PIL import Image

from odoo_ocr.clients.base import BaseVLMClient
from odoo_ocr.config import Settings
from odoo_ocr.schemas import VLMResponse


@pytest.fixture
def settings() -> Settings:
    """Default test settings with cache disabled."""
    return Settings(
        ollama_base_url="http://test-ollama:11435",
        cache=Settings().model_dump()["cache"] | {"enabled": False},
    )


class FakeVLMClient(BaseVLMClient):
    """Test double that returns canned responses based on prompt content."""

    def __init__(self, responses: dict[str, str] | None = None) -> None:
        super().__init__(Settings())
        self.responses = responses or {}
        self.calls: list[dict[str, Any]] = []

    async def complete(
        self,
        system_prompt: str,
        user_prompt: str,
        images: list[Image.Image],
        response_format: type[Any] | None = None,
        temperature: float = 0.1,
        max_tokens: int = 4096,
        model: str | None = None,
    ) -> VLMResponse:
        self.calls.append(
            {
                "system_prompt": system_prompt,
                "user_prompt": user_prompt,
                "image_count": len(images),
                "model": model,
            }
        )
        for key, value in self.responses.items():
            if key in system_prompt or key in user_prompt:
                return VLMResponse(content=json.dumps(value), model="fake")
        return VLMResponse(content=json.dumps({}), model="fake")

    async def aclose(self) -> None:
        """The fake client holds no resources."""
        return None