import unittest
from unittest.mock import MagicMock

from encar_scraper.encar import EncarMapper, EncarScraper, ENCAR_DETAIL_URL_TEMPLATE


class TestEncarMapper(unittest.TestCase):
    def test_map_to_car_record(self):
        payload = {
            "Id": 41421262,
            "Manufacturer": "Hyundai",
            "Model": "G90 (RS4)",
            "FormYear": "2023",
            "Price": 8590,
            "Mileage": 37923,
            "Photos": [
                {"location": "/carpicture01/pic4141/41412663_001.jpg", "ordering": 1},
                {"location": "/carpicture01/pic4141/41412663_003.jpg", "ordering": 3},
            ],
        }

        record = EncarMapper().map_to_car_record(
            ENCAR_DETAIL_URL_TEMPLATE.format(vehicle_id="41421262"),
            payload,
        )

        self.assertEqual(record.origin_id, "encar:41421262")
        self.assertEqual(record.parser_id, "encar:41421262")
        self.assertEqual(record.brand, "Hyundai")
        self.assertEqual(record.model, "G90 (RS4)")
        self.assertEqual(record.year, 2023)
        self.assertEqual(record.price, 85900000)  # 8590 만원 × 10000
        self.assertEqual(record.mileage, 37923)
        self.assertEqual(record.country, "KR")
        self.assertEqual(record.currency, "KRW")
        self.assertEqual(len(record.images), 2)
        self.assertTrue(record.images[0].fullres_image.endswith("_001.jpg"))

    def test_extract_vehicle_id_from_url(self):
        url = ENCAR_DETAIL_URL_TEMPLATE.format(vehicle_id="41421262")
        self.assertEqual(EncarMapper()._extract_vehicle_id(url), "41421262")

    def test_map_to_car_record_uses_base_model_without_trim(self):
        payload = {
            "Id": 41854374,
            "Manufacturer": "현대",
            "Model": "Genesis",
            "Badge": "BH330 Grand",
            "BadgeDetail": "Prime팩",
            "FormYear": "2011",
            "Price": 1200,
            "Mileage": 100000,
            "Photos": [
                {"location": "/carpicture01/pic4185/41854374_001.jpg", "ordering": 1},
            ],
        }

        record = EncarMapper().map_to_car_record(
            ENCAR_DETAIL_URL_TEMPLATE.format(vehicle_id="41854374"),
            payload,
        )

        self.assertEqual(record.brand, "Hyundai")
        self.assertEqual(record.model, "Genesis")
        self.assertEqual(record.origin_id, "encar:41854374")

    def test_map_to_car_record_resolves_numeric_id_from_photos(self):
        payload = {
            "Id": "car-BOqLLkjkgbpStlVJEJvbRG",
            "Manufacturer": "Kia",
            "Model": "K3",
            "FormYear": "2018",
            "Price": 990,
            "Mileage": 75000,
            "Photos": [
                {"location": "/carpicture01/pic4187/41878507_001.jpg", "ordering": 1},
            ],
        }

        record = EncarMapper().map_to_car_record("", payload)

        self.assertEqual(record.origin_id, "encar:41878507")
        self.assertEqual(record.parser_id, "encar:41878507")
        self.assertIn("carid=41878507", record.origin_url)


class TestEncarScraper(unittest.TestCase):
    def test_collect_listing_limits_results(self):
        scraper = EncarScraper()
        scraper._fetch_listing_page = MagicMock(side_effect=[
            {"SearchResults": [{"Id": 1}, {"Id": 2}]},
        ])

        result = scraper.collect_listing(limit=1, page_size=2)
        self.assertEqual(result["items_collected"], 1)
        self.assertEqual(result["vehicle_urls"], [ENCAR_DETAIL_URL_TEMPLATE.format(vehicle_id="1")])

    def test_scrape_vehicle_detail_raises_without_id(self):
        scraper = EncarScraper()
        with self.assertRaises(ValueError):
            scraper.scrape_vehicle_detail("https://www.encar.com/invalid")


if __name__ == "__main__":
    unittest.main()