"""Tests unitaires pour UIDetector."""
import pytest
import sys
from pathlib import Path
from unittest.mock import MagicMock, patch
from PIL import Image

sys.path.insert(0, str(Path(__file__).parent.parent.parent))
from core.detection.ui_detector import UIDetector, DetectionConfig

class TestUIDetector:
    def setup_method(self):
        self.detector = UIDetector()

    def test_detector_initialization(self):
        assert self.detector is not None


class TestVlmModelDehardcode:
    """Le modèle VLM ne doit plus être codé en dur (gemma4:e4b) dans la config."""

    def test_config_no_hardcoded_gemma4(self, monkeypatch):
        """Sans env, DetectionConfig.vlm_model ne vaut plus le littéral gemma4:e4b."""
        monkeypatch.delenv("RPA_VLM_MODEL", raising=False)
        monkeypatch.delenv("VLM_MODEL", raising=False)
        cfg = DetectionConfig()
        assert cfg.vlm_model != "gemma4:e4b"
        assert not cfg.vlm_model  # None ou "" → résolution déléguée à l'init

    def test_config_respects_env(self, monkeypatch):
        """RPA_VLM_MODEL est honoré dans la config."""
        monkeypatch.setenv("RPA_VLM_MODEL", "mon-modele:test")
        assert DetectionConfig().vlm_model == "mon-modele:test"

    def test_initialize_vlm_resolves_lazily(self, monkeypatch):
        """Sans modèle explicite, _initialize_vlm résout via vlm_config (pas de hardcode)."""
        monkeypatch.delenv("RPA_VLM_MODEL", raising=False)
        monkeypatch.delenv("VLM_MODEL", raising=False)

        captured = {}

        class FakeClient:
            def __init__(self, endpoint=None, model=None):
                captured["model"] = model

        import core.detection.ui_detector as uidet
        with patch.object(uidet, "check_ollama_available", return_value=True), \
             patch.object(uidet, "OllamaClient", FakeClient), \
             patch.object(uidet.vlm_config, "get_vlm_model", return_value="modele-resolu:test"):
            UIDetector()

        assert captured["model"] == "modele-resolu:test"


if __name__ == '__main__':
    pytest.main([__file__, '-v'])