import json
import tempfile
import unittest
from pathlib import Path
from unittest.mock import patch

from search.evaluate_relevance import evaluate, load_queries


class SearchRelevanceTest(unittest.TestCase):
    def test_loads_queries_and_calculates_document_metrics(self):
        queries = [
            {
                "id": "ru-01",
                "language": "ru",
                "query": "трудовой договор",
                "relevant_document_codes": ["7", "8"],
            },
            {
                "id": "ky-01",
                "language": "ky",
                "query": "эмгек келишими",
                "relevant_document_codes": ["9"],
            },
        ]
        with tempfile.TemporaryDirectory() as temporary:
            path = Path(temporary) / "queries.json"
            path.write_text(json.dumps(queries, ensure_ascii=False), encoding="utf-8")
            loaded = load_queries(path)

        responses = [
            {"hits": {"hits": [{"_source": {"document_code": code}} for code in ["7", "10", "8"]]}},
            {"hits": {"hits": [{"_source": {"document_code": code}} for code in ["10", "9"]]}},
        ]
        with patch("search.evaluate_relevance.request_json", side_effect=responses) as request:
            result = evaluate(loaded, "http://127.0.0.1:9200", "test", 10)

        self.assertEqual(result["summary"], {"query_count": 2, "recall_at_10": 1.0, "mrr_at_10": 0.75})
        self.assertEqual(result["queries"][0]["reciprocal_rank_at_10"], 1.0)
        body = json.loads(request.call_args_list[0].args[2])
        self.assertFalse(body["track_total_hits"])
        self.assertEqual(body["collapse"], {"field": "document_code"})


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