"""
Tests unitaires — services et endpoints
"""
import pytest
import asyncio
from unittest.mock import patch, MagicMock
from pathlib import Path


# ── Tests EXIF ────────────────────────────────────────────────

def test_exif_missing_file():
    from app.services.exif_service import extract_exif
    result = extract_exif("/tmp/non_existant.jpg")
    assert result["make"] is None
    assert result["gps_lat"] is None
    assert result["raw"] == {}


def test_exif_dms_to_decimal():
    from app.services.exif_service import _dms_to_decimal
    # Paris : 48°51'24.12"N → ~48.856700
    dms = ((48, 1), (51, 1), (2412, 100))
    result = _dms_to_decimal(dms, "N")
    assert result is not None
    assert 48.85 < result < 48.86

    # Direction Sud = négatif
    result_s = _dms_to_decimal(dms, "S")
    assert result_s < 0


# ── Tests OCR ─────────────────────────────────────────────────

def test_ocr_disabled(monkeypatch):
    monkeypatch.setattr("app.services.ocr_service.settings.OCR_ENABLED", False)
    from app.services.ocr_service import extract_text
    result = extract_text("/tmp/test.jpg")
    assert result["has_text"] is False
    assert result["text"] is None


def test_ocr_language_detection():
    from app.services.ocr_service import _detect_language
    fr_text = "le chat est sur le tapis et la maison est grande"
    en_text = "the cat is on the mat and the house is great"
    assert _detect_language(fr_text) == "fr"
    assert _detect_language(en_text) == "en"
    assert _detect_language("") == "unknown"


# ── Tests Storage ─────────────────────────────────────────────

def test_generate_filename():
    from app.services.storage import _generate_filename
    filename, uuid = _generate_filename("photo.jpg")
    assert filename.endswith(".jpg")
    assert len(uuid) == 36  # UUID format


def test_generate_filename_no_extension():
    from app.services.storage import _generate_filename
    filename, uuid = _generate_filename("image")
    assert filename.endswith(".jpg")  # extension par défaut


# ── Tests Schémas ─────────────────────────────────────────────

def test_image_detail_schema():
    from app.schemas import ImageDetail
    from app.models.image import ProcessingStatus

    # Simule un objet Image ORM
    mock_img = MagicMock()
    mock_img.id = 1
    mock_img.uuid = "abc-123"
    mock_img.original_name = "test.jpg"
    mock_img.mime_type = "image/jpeg"
    mock_img.file_size = 1024
    mock_img.width = 800
    mock_img.height = 600
    mock_img.uploaded_at = None
    mock_img.processing_status = ProcessingStatus.DONE
    mock_img.thumbnail_path = None
    mock_img.exif_make = "Canon"
    mock_img.exif_model = "EOS R5"
    mock_img.exif_lens = None
    mock_img.exif_iso = 400
    mock_img.exif_aperture = "f/2.8"
    mock_img.exif_shutter = "1/250"
    mock_img.exif_focal = "50mm"
    mock_img.exif_flash = False
    mock_img.exif_orientation = 1
    mock_img.exif_software = None
    mock_img.exif_taken_at = None
    mock_img.exif_gps_lat = 48.857
    mock_img.exif_gps_lon = 2.295
    mock_img.exif_altitude = 35.0
    mock_img.exif_raw = {}
    mock_img.has_gps = True
    mock_img.ocr_text = "Bonjour monde"
    mock_img.ocr_language = "fr"
    mock_img.ocr_confidence = 0.95
    mock_img.ocr_has_text = True
    mock_img.ai_description = "Une belle photo"
    mock_img.ai_tags = ["nature", "paysage"]
    mock_img.ai_confidence = 0.92
    mock_img.ai_model_used = "gemini-1.5-pro"
    mock_img.ai_processed_at = None
    mock_img.ai_prompt_tokens = 500
    mock_img.ai_output_tokens = 200
    mock_img.processing_error = None
    mock_img.processing_started_at = None
    mock_img.processing_done_at = None

    detail = ImageDetail.from_orm_full(mock_img)
    assert detail.id == 1
    assert detail.exif.camera.make == "Canon"
    assert detail.exif.gps.has_gps is True
    assert detail.ocr.has_text is True
    assert detail.ai.tags == ["nature", "paysage"]