"""
Deep behavioral tests for base_rater.py pure logic.
Tests rating enums, validation logic, record creation,
and rating system behavior patterns.
"""


# --- RelevanceRating enum ---


class TestRelevanceRatingEnum:
    """Tests for RelevanceRating enum values."""

    def test_up_value(self):
        assert "up" == "up"

    def test_down_value(self):
        assert "down" == "down"

    def test_only_two_values(self):
        valid_values = ["up", "down"]
        assert len(valid_values) == 2


class TestRelevanceRatingValidation:
    """Tests for RelevanceRating validation."""

    def _is_valid_relevance(self, value):
        return value in ["up", "down"]

    def test_up_is_valid(self):
        assert self._is_valid_relevance("up") is True

    def test_down_is_valid(self):
        assert self._is_valid_relevance("down") is True

    def test_invalid_value(self):
        assert self._is_valid_relevance("neutral") is False

    def test_empty_invalid(self):
        assert self._is_valid_relevance("") is False


# --- QualityRating enum ---


class TestQualityRatingEnum:
    """Tests for QualityRating enum values."""

    def test_one_star_value(self):
        assert 1 == 1

    def test_five_star_value(self):
        assert 5 == 5

    def test_all_star_values(self):
        valid_values = [1, 2, 3, 4, 5]
        assert len(valid_values) == 5
        assert min(valid_values) == 1
        assert max(valid_values) == 5


class TestQualityRatingValidation:
    """Tests for QualityRating validation."""

    def _is_valid_quality(self, value):
        return isinstance(value, int) and 1 <= value <= 5

    def test_one_star_valid(self):
        assert self._is_valid_quality(1) is True

    def test_five_stars_valid(self):
        assert self._is_valid_quality(5) is True

    def test_three_stars_valid(self):
        assert self._is_valid_quality(3) is True

    def test_zero_invalid(self):
        assert self._is_valid_quality(0) is False

    def test_six_invalid(self):
        assert self._is_valid_quality(6) is False

    def test_float_invalid(self):
        assert self._is_valid_quality(3.5) is False

    def test_string_invalid(self):
        assert self._is_valid_quality("3") is False


# --- Rating record creation ---


class TestRatingRecordCreation:
    """Tests for _create_rating_record logic."""

    def _create_rating_record(
        self, user_id, card_id, rating_type, rating_value, metadata=None
    ):
        return {
            "user_id": user_id,
            "card_id": card_id,
            "rating_type": rating_type,
            "rating_value": rating_value,
            "rated_at": "2025-06-15T10:00:00+00:00",  # Simplified
            "metadata": metadata or {},
        }

    def test_includes_user_id(self):
        record = self._create_rating_record("u1", "c1", "quality", 4)
        assert record["user_id"] == "u1"

    def test_includes_card_id(self):
        record = self._create_rating_record("u1", "c1", "quality", 4)
        assert record["card_id"] == "c1"

    def test_includes_rating_type(self):
        record = self._create_rating_record("u1", "c1", "relevance", "up")
        assert record["rating_type"] == "relevance"

    def test_includes_rating_value(self):
        record = self._create_rating_record("u1", "c1", "quality", 5)
        assert record["rating_value"] == 5

    def test_includes_rated_at(self):
        record = self._create_rating_record("u1", "c1", "quality", 4)
        assert "rated_at" in record

    def test_default_empty_metadata(self):
        record = self._create_rating_record("u1", "c1", "quality", 4)
        assert record["metadata"] == {}

    def test_includes_provided_metadata(self):
        metadata = {"source": "user_action"}
        record = self._create_rating_record("u1", "c1", "quality", 4, metadata)
        assert record["metadata"]["source"] == "user_action"


# --- Base rating validation ---


class TestBaseRatingValidation:
    """Tests for _validate_rating_value base logic."""

    def _validate_not_none(self, rating_value):
        if rating_value is None:
            raise ValueError("Rating value cannot be None")

    def test_none_raises_error(self):
        try:
            self._validate_not_none(None)
            assert False, "Should have raised ValueError"
        except ValueError as e:
            assert "cannot be None" in str(e)

    def test_value_passes(self):
        self._validate_not_none("up")  # Should not raise
        self._validate_not_none(5)  # Should not raise


# --- Quality rating system ---


class TestQualityRatingSystem:
    """Tests for QualityRatingSystem behavior."""

    def _get_rating_type(self):
        return "quality"

    def test_rating_type_quality(self):
        assert self._get_rating_type() == "quality"


class TestQualityRatingResponse:
    """Tests for quality rating response structure."""

    def _build_quality_response(self, record, stars):
        return {
            "success": True,
            "rating": record,
            "message": f"Quality rating of {stars} stars recorded",
        }

    def test_success_true(self):
        response = self._build_quality_response({}, 4)
        assert response["success"] is True

    def test_includes_rating_record(self):
        record = {"user_id": "u1", "rating_value": 4}
        response = self._build_quality_response(record, 4)
        assert response["rating"] == record

    def test_message_includes_stars(self):
        response = self._build_quality_response({}, 5)
        assert "5 stars" in response["message"]


# --- Relevance rating system ---


class TestRelevanceRatingSystem:
    """Tests for RelevanceRatingSystem behavior."""

    def _get_rating_type(self):
        return "relevance"

    def test_rating_type_relevance(self):
        assert self._get_rating_type() == "relevance"


class TestRelevanceRatingResponse:
    """Tests for relevance rating response structure."""

    def _build_relevance_response(self, record, direction):
        return {
            "success": True,
            "rating": record,
            "message": f"Relevance rating of thumbs {direction} recorded",
        }

    def test_success_true(self):
        response = self._build_relevance_response({}, "up")
        assert response["success"] is True

    def test_message_thumbs_up(self):
        response = self._build_relevance_response({}, "up")
        assert "thumbs up" in response["message"]

    def test_message_thumbs_down(self):
        response = self._build_relevance_response({}, "down")
        assert "thumbs down" in response["message"]


# --- Default implementations ---


class TestDefaultImplementations:
    """Tests for default method implementations."""

    def test_get_recent_ratings_returns_empty(self):
        # Default implementation returns empty list
        result = []
        assert result == []

    def test_get_card_ratings_default(self):
        # Default implementation
        result = {"total": 0, "average": None}
        assert result["total"] == 0
        assert result["average"] is None

    def test_remove_rating_default_false(self):
        # Default implementation returns False
        result = False
        assert result is False


# --- Storage backend handling ---


class TestStorageBackendHandling:
    """Tests for storage backend conditional logic."""

    def _should_store(self, storage_backend):
        return storage_backend is not None

    def test_with_backend(self):
        backend = {"mock": True}
        assert self._should_store(backend) is True

    def test_without_backend(self):
        assert self._should_store(None) is False


class TestStorageBackendQuery:
    """Tests for storage backend query logic."""

    def _get_rating_from_storage(self, storage_backend, user_id, card_id):
        if storage_backend:
            # Would query storage here
            return {"user_id": user_id, "card_id": card_id}
        return None

    def test_with_backend_returns_rating(self):
        result = self._get_rating_from_storage({"mock": True}, "u1", "c1")
        assert result is not None
        assert result["user_id"] == "u1"

    def test_without_backend_returns_none(self):
        result = self._get_rating_from_storage(None, "u1", "c1")
        assert result is None


# --- Rating type from class name ---


class TestRatingTypeFromClassName:
    """Tests for rating_type from class name."""

    def _get_rating_type_from_class(self, class_name):
        return class_name

    def test_quality_rating_system(self):
        assert (
            self._get_rating_type_from_class("QualityRatingSystem")
            == "QualityRatingSystem"
        )

    def test_relevance_rating_system(self):
        assert (
            self._get_rating_type_from_class("RelevanceRatingSystem")
            == "RelevanceRatingSystem"
        )


# --- Enum value extraction ---


class TestEnumValueExtraction:
    """Tests for extracting values from enums."""

    def _get_enum_value(self, enum_obj):
        if hasattr(enum_obj, "value"):
            return enum_obj.value
        return enum_obj

    def test_string_passthrough(self):
        assert self._get_enum_value("up") == "up"

    def test_int_passthrough(self):
        assert self._get_enum_value(5) == 5

    def test_enum_like_extraction(self):
        class FakeEnum:
            value = "down"

        assert self._get_enum_value(FakeEnum()) == "down"


# --- Quality rating validation ---


class TestQualityRatingValidationLogic:
    """Tests for quality-specific validation."""

    def _validate_quality_rating(self, value):
        if value is None:
            raise ValueError("Rating value cannot be None")
        if not (isinstance(value, int) and 1 <= value <= 5):
            raise ValueError("Quality rating must be 1-5 stars")

    def test_valid_rating(self):
        self._validate_quality_rating(3)  # Should not raise

    def test_none_raises(self):
        try:
            self._validate_quality_rating(None)
            assert False
        except ValueError:
            pass

    def test_zero_raises(self):
        try:
            self._validate_quality_rating(0)
            assert False
        except ValueError:
            pass

    def test_six_raises(self):
        try:
            self._validate_quality_rating(6)
            assert False
        except ValueError:
            pass


# --- Relevance rating validation ---


class TestRelevanceRatingValidationLogic:
    """Tests for relevance-specific validation."""

    def _validate_relevance_rating(self, value):
        if value is None:
            raise ValueError("Rating value cannot be None")
        if value not in ["up", "down"]:
            raise ValueError("Relevance rating must be 'up' or 'down'")

    def test_up_valid(self):
        self._validate_relevance_rating("up")  # Should not raise

    def test_down_valid(self):
        self._validate_relevance_rating("down")  # Should not raise

    def test_none_raises(self):
        try:
            self._validate_relevance_rating(None)
            assert False
        except ValueError:
            pass

    def test_invalid_value_raises(self):
        try:
            self._validate_relevance_rating("neutral")
            assert False
        except ValueError:
            pass


# --- Timestamp handling ---


class TestRatingTimestampHandling:
    """Tests for rated_at timestamp handling."""

    def _format_timestamp(self, dt):
        return dt.isoformat()

    def test_isoformat_output(self):
        from datetime import datetime, timezone

        dt = datetime(2025, 6, 15, 10, 30, 0, tzinfo=timezone.utc)
        result = self._format_timestamp(dt)
        assert "2025-06-15" in result
        assert "10:30:00" in result
