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# test_feedback_handler.py
"""
Tests for verification feedback handler.

Tests feedback collection, validation, and storage functionality.
"""

import pytest
from datetime import datetime
from src.core.verification_feedback_handler import (
    VerificationFeedbackHandler,
    FeedbackValidationError,
)
from src.core.verification_models import (
    VerificationRecord,
    VerificationSession,
    TestMessage,
)
from src.core.verification_store import JSONVerificationStore
from src.core.message_queue_manager import MessageQueueManager


class TestCorrectFeedbackHandling:
    """Tests for handling 'Correct' feedback."""

    def test_handle_correct_feedback_saves_record(
        self, sample_verification_session, temp_storage_dir
    ):
        """Verify correct feedback saves verification record."""
        store = JSONVerificationStore(storage_dir=temp_storage_dir)
        store.save_session(sample_verification_session)

        queue_manager = MessageQueueManager(sample_verification_session)
        messages = [
            TestMessage(
                message_id="msg_001",
                text="I'm feeling anxious",
                pre_classified_label="yellow",
            ),
            TestMessage(
                message_id="msg_002",
                text="I'm feeling great",
                pre_classified_label="green",
            ),
        ]
        queue_manager.initialize_queue(messages)

        handler = VerificationFeedbackHandler(
            sample_verification_session, store, queue_manager
        )

        # Handle correct feedback
        result = handler.handle_correct_feedback(
            message=messages[0],
            classifier_decision="yellow",
            classifier_confidence=0.85,
            classifier_indicators=["anxiety"],
        )

        assert result is True

        # Verify record was saved
        loaded_session = store.load_session(sample_verification_session.session_id)
        assert len(loaded_session.verifications) == 1
        assert loaded_session.verifications[0].message_id == "msg_001"
        assert loaded_session.verifications[0].is_correct is True

    def test_handle_correct_feedback_marks_as_correct(
        self, sample_verification_session, temp_storage_dir
    ):
        """Verify correct feedback marks record as correct."""
        store = JSONVerificationStore(storage_dir=temp_storage_dir)
        store.save_session(sample_verification_session)

        queue_manager = MessageQueueManager(sample_verification_session)
        messages = [
            TestMessage(
                message_id="msg_001",
                text="I'm feeling anxious",
                pre_classified_label="yellow",
            ),
        ]
        queue_manager.initialize_queue(messages)

        handler = VerificationFeedbackHandler(
            sample_verification_session, store, queue_manager
        )

        handler.handle_correct_feedback(
            message=messages[0],
            classifier_decision="yellow",
            classifier_confidence=0.85,
            classifier_indicators=["anxiety"],
        )

        loaded_session = store.load_session(sample_verification_session.session_id)
        record = loaded_session.verifications[0]

        assert record.is_correct is True
        assert record.ground_truth_label == "yellow"
        assert record.classifier_decision == "yellow"

    def test_handle_correct_feedback_advances_queue(
        self, sample_verification_session, temp_storage_dir
    ):
        """Verify correct feedback advances to next message."""
        store = JSONVerificationStore(storage_dir=temp_storage_dir)
        store.save_session(sample_verification_session)

        queue_manager = MessageQueueManager(sample_verification_session)
        messages = [
            TestMessage(
                message_id="msg_001",
                text="First message",
                pre_classified_label="yellow",
            ),
            TestMessage(
                message_id="msg_002",
                text="Second message",
                pre_classified_label="green",
            ),
        ]
        queue_manager.initialize_queue(messages)

        handler = VerificationFeedbackHandler(
            sample_verification_session, store, queue_manager
        )

        # Initially at first message
        assert queue_manager.get_current_message_id() == "msg_001"

        # Handle correct feedback
        handler.handle_correct_feedback(
            message=messages[0],
            classifier_decision="yellow",
            classifier_confidence=0.85,
            classifier_indicators=["anxiety"],
        )

        # Should advance to second message
        assert queue_manager.get_current_message_id() == "msg_002"

    def test_handle_correct_feedback_stores_all_fields(
        self, sample_verification_session, temp_storage_dir
    ):
        """Verify correct feedback stores all required fields."""
        store = JSONVerificationStore(storage_dir=temp_storage_dir)
        store.save_session(sample_verification_session)

        queue_manager = MessageQueueManager(sample_verification_session)
        messages = [
            TestMessage(
                message_id="msg_001",
                text="Test message",
                pre_classified_label="yellow",
            ),
        ]
        queue_manager.initialize_queue(messages)

        handler = VerificationFeedbackHandler(
            sample_verification_session, store, queue_manager
        )

        handler.handle_correct_feedback(
            message=messages[0],
            classifier_decision="yellow",
            classifier_confidence=0.92,
            classifier_indicators=["anxiety", "stress"],
        )

        loaded_session = store.load_session(sample_verification_session.session_id)
        record = loaded_session.verifications[0]

        assert record.message_id == "msg_001"
        assert record.original_message == "Test message"
        assert record.classifier_decision == "yellow"
        assert record.classifier_confidence == 0.92
        assert record.classifier_indicators == ["anxiety", "stress"]
        assert record.ground_truth_label == "yellow"
        assert record.verifier_notes == ""
        assert record.is_correct is True
        assert isinstance(record.timestamp, datetime)


class TestIncorrectFeedbackHandling:
    """Tests for handling 'Incorrect' feedback."""

    def test_handle_incorrect_feedback_saves_record(
        self, sample_verification_session, temp_storage_dir
    ):
        """Verify incorrect feedback saves verification record."""
        store = JSONVerificationStore(storage_dir=temp_storage_dir)
        store.save_session(sample_verification_session)

        queue_manager = MessageQueueManager(sample_verification_session)
        messages = [
            TestMessage(
                message_id="msg_001",
                text="I'm feeling anxious",
                pre_classified_label="yellow",
            ),
        ]
        queue_manager.initialize_queue(messages)

        handler = VerificationFeedbackHandler(
            sample_verification_session, store, queue_manager
        )

        # Handle incorrect feedback
        result = handler.handle_incorrect_feedback(
            message=messages[0],
            classifier_decision="yellow",
            classifier_confidence=0.85,
            classifier_indicators=["anxiety"],
            ground_truth_label="red",
            verifier_notes="Missed severe indicators",
        )

        assert result is True

        # Verify record was saved
        loaded_session = store.load_session(sample_verification_session.session_id)
        assert len(loaded_session.verifications) == 1
        assert loaded_session.verifications[0].message_id == "msg_001"
        assert loaded_session.verifications[0].is_correct is False

    def test_handle_incorrect_feedback_marks_as_incorrect(
        self, sample_verification_session, temp_storage_dir
    ):
        """Verify incorrect feedback marks record as incorrect."""
        store = JSONVerificationStore(storage_dir=temp_storage_dir)
        store.save_session(sample_verification_session)

        queue_manager = MessageQueueManager(sample_verification_session)
        messages = [
            TestMessage(
                message_id="msg_001",
                text="I'm feeling anxious",
                pre_classified_label="yellow",
            ),
        ]
        queue_manager.initialize_queue(messages)

        handler = VerificationFeedbackHandler(
            sample_verification_session, store, queue_manager
        )

        handler.handle_incorrect_feedback(
            message=messages[0],
            classifier_decision="yellow",
            classifier_confidence=0.85,
            classifier_indicators=["anxiety"],
            ground_truth_label="red",
            verifier_notes="",
        )

        loaded_session = store.load_session(sample_verification_session.session_id)
        record = loaded_session.verifications[0]

        assert record.is_correct is False
        assert record.ground_truth_label == "red"
        assert record.classifier_decision == "yellow"

    def test_handle_incorrect_feedback_stores_notes(
        self, sample_verification_session, temp_storage_dir
    ):
        """Verify incorrect feedback stores optional notes."""
        store = JSONVerificationStore(storage_dir=temp_storage_dir)
        store.save_session(sample_verification_session)

        queue_manager = MessageQueueManager(sample_verification_session)
        messages = [
            TestMessage(
                message_id="msg_001",
                text="Test message",
                pre_classified_label="yellow",
            ),
        ]
        queue_manager.initialize_queue(messages)

        handler = VerificationFeedbackHandler(
            sample_verification_session, store, queue_manager
        )

        notes = "Missed severe distress indicators"
        handler.handle_incorrect_feedback(
            message=messages[0],
            classifier_decision="yellow",
            classifier_confidence=0.85,
            classifier_indicators=["anxiety"],
            ground_truth_label="red",
            verifier_notes=notes,
        )

        loaded_session = store.load_session(sample_verification_session.session_id)
        record = loaded_session.verifications[0]

        assert record.verifier_notes == notes

    def test_handle_incorrect_feedback_advances_queue(
        self, sample_verification_session, temp_storage_dir
    ):
        """Verify incorrect feedback advances to next message."""
        store = JSONVerificationStore(storage_dir=temp_storage_dir)
        store.save_session(sample_verification_session)

        queue_manager = MessageQueueManager(sample_verification_session)
        messages = [
            TestMessage(
                message_id="msg_001",
                text="First message",
                pre_classified_label="yellow",
            ),
            TestMessage(
                message_id="msg_002",
                text="Second message",
                pre_classified_label="green",
            ),
        ]
        queue_manager.initialize_queue(messages)

        handler = VerificationFeedbackHandler(
            sample_verification_session, store, queue_manager
        )

        # Initially at first message
        assert queue_manager.get_current_message_id() == "msg_001"

        # Handle incorrect feedback
        handler.handle_incorrect_feedback(
            message=messages[0],
            classifier_decision="yellow",
            classifier_confidence=0.85,
            classifier_indicators=["anxiety"],
            ground_truth_label="red",
            verifier_notes="",
        )

        # Should advance to second message
        assert queue_manager.get_current_message_id() == "msg_002"

    def test_handle_incorrect_feedback_requires_correction(
        self, sample_verification_session, temp_storage_dir
    ):
        """Verify incorrect feedback requires correction selection."""
        store = JSONVerificationStore(storage_dir=temp_storage_dir)
        store.save_session(sample_verification_session)

        queue_manager = MessageQueueManager(sample_verification_session)
        messages = [
            TestMessage(
                message_id="msg_001",
                text="Test message",
                pre_classified_label="yellow",
            ),
        ]
        queue_manager.initialize_queue(messages)

        handler = VerificationFeedbackHandler(
            sample_verification_session, store, queue_manager
        )

        # Try to handle incorrect feedback without correction
        with pytest.raises(FeedbackValidationError) as exc_info:
            handler.handle_incorrect_feedback(
                message=messages[0],
                classifier_decision="yellow",
                classifier_confidence=0.85,
                classifier_indicators=["anxiety"],
                ground_truth_label="",
                verifier_notes="",
            )

        assert "Please select a correction" in str(exc_info.value)

    def test_handle_incorrect_feedback_validates_correction_option(
        self, sample_verification_session, temp_storage_dir
    ):
        """Verify incorrect feedback validates correction is valid option."""
        store = JSONVerificationStore(storage_dir=temp_storage_dir)
        store.save_session(sample_verification_session)

        queue_manager = MessageQueueManager(sample_verification_session)
        messages = [
            TestMessage(
                message_id="msg_001",
                text="Test message",
                pre_classified_label="yellow",
            ),
        ]
        queue_manager.initialize_queue(messages)

        handler = VerificationFeedbackHandler(
            sample_verification_session, store, queue_manager
        )

        # Try to handle incorrect feedback with invalid correction
        with pytest.raises(FeedbackValidationError) as exc_info:
            handler.handle_incorrect_feedback(
                message=messages[0],
                classifier_decision="yellow",
                classifier_confidence=0.85,
                classifier_indicators=["anxiety"],
                ground_truth_label="invalid",
                verifier_notes="",
            )

        assert "Invalid correction option" in str(exc_info.value)

    def test_handle_incorrect_feedback_accepts_all_valid_corrections(
        self, sample_verification_session, temp_storage_dir
    ):
        """Verify incorrect feedback accepts all valid correction options."""
        store = JSONVerificationStore(storage_dir=temp_storage_dir)

        # Test each correction option with a different classifier decision
        # to ensure the correction is actually different from the classifier's decision
        test_cases = [
            ("green", "yellow"),   # classifier says yellow, correction is green
            ("yellow", "red"),     # classifier says red, correction is yellow
            ("red", "green"),      # classifier says green, correction is red
        ]

        for correction, classifier_decision in test_cases:
            session = VerificationSession(
                session_id=f"session_{correction}",
                verifier_name="Test Verifier",
                dataset_id="dataset_001",
                dataset_name="Test Dataset",
            )
            store.save_session(session)

            queue_manager = MessageQueueManager(session)
            messages = [
                TestMessage(
                    message_id=f"msg_{correction}",
                    text="Test message",
                    pre_classified_label=classifier_decision,
                ),
            ]
            queue_manager.initialize_queue(messages)

            handler = VerificationFeedbackHandler(session, store, queue_manager)

            # Should not raise exception - correction is different from classifier decision
            result = handler.handle_incorrect_feedback(
                message=messages[0],
                classifier_decision=classifier_decision,
                classifier_confidence=0.85,
                classifier_indicators=["anxiety"],
                ground_truth_label=correction,
                verifier_notes="",
            )

            assert result is True


class TestFeedbackValidation:
    """Tests for feedback validation."""

    def test_validate_feedback_input_correct_is_valid(
        self, sample_verification_session, temp_storage_dir
    ):
        """Verify validation passes for correct feedback."""
        store = JSONVerificationStore(storage_dir=temp_storage_dir)
        store.save_session(sample_verification_session)

        queue_manager = MessageQueueManager(sample_verification_session)
        handler = VerificationFeedbackHandler(
            sample_verification_session, store, queue_manager
        )

        is_valid, error_msg = handler.validate_feedback_input(is_correct=True)

        assert is_valid is True
        assert error_msg is None

    def test_validate_feedback_input_incorrect_requires_correction(
        self, sample_verification_session, temp_storage_dir
    ):
        """Verify validation fails for incorrect without correction."""
        store = JSONVerificationStore(storage_dir=temp_storage_dir)
        store.save_session(sample_verification_session)

        queue_manager = MessageQueueManager(sample_verification_session)
        handler = VerificationFeedbackHandler(
            sample_verification_session, store, queue_manager
        )

        is_valid, error_msg = handler.validate_feedback_input(
            is_correct=False, ground_truth_label=""
        )

        assert is_valid is False
        assert "Correction Required" in error_msg or "select" in error_msg.lower()

    def test_validate_feedback_input_incorrect_with_valid_correction(
        self, sample_verification_session, temp_storage_dir
    ):
        """Verify validation passes for incorrect with valid correction."""
        store = JSONVerificationStore(storage_dir=temp_storage_dir)
        store.save_session(sample_verification_session)

        queue_manager = MessageQueueManager(sample_verification_session)
        handler = VerificationFeedbackHandler(
            sample_verification_session, store, queue_manager
        )

        is_valid, error_msg = handler.validate_feedback_input(
            is_correct=False, ground_truth_label="red"
        )

        assert is_valid is True
        assert error_msg is None

    def test_validate_notes_field_accepts_empty_notes(
        self, sample_verification_session, temp_storage_dir
    ):
        """Verify validation accepts empty notes."""
        store = JSONVerificationStore(storage_dir=temp_storage_dir)
        store.save_session(sample_verification_session)

        queue_manager = MessageQueueManager(sample_verification_session)
        handler = VerificationFeedbackHandler(
            sample_verification_session, store, queue_manager
        )

        is_valid, error_msg = handler.validate_notes_field("")

        assert is_valid is True
        assert error_msg is None

    def test_validate_notes_field_accepts_valid_notes(
        self, sample_verification_session, temp_storage_dir
    ):
        """Verify validation accepts valid notes."""
        store = JSONVerificationStore(storage_dir=temp_storage_dir)
        store.save_session(sample_verification_session)

        queue_manager = MessageQueueManager(sample_verification_session)
        handler = VerificationFeedbackHandler(
            sample_verification_session, store, queue_manager
        )

        notes = "This is a valid note explaining the correction"
        is_valid, error_msg = handler.validate_notes_field(notes)

        assert is_valid is True
        assert error_msg is None

    def test_validate_notes_field_rejects_excessive_length(
        self, sample_verification_session, temp_storage_dir
    ):
        """Verify validation rejects notes exceeding 500 characters."""
        store = JSONVerificationStore(storage_dir=temp_storage_dir)
        store.save_session(sample_verification_session)

        queue_manager = MessageQueueManager(sample_verification_session)
        handler = VerificationFeedbackHandler(
            sample_verification_session, store, queue_manager
        )

        notes = "x" * 501
        is_valid, error_msg = handler.validate_notes_field(notes)

        assert is_valid is False
        assert "500 characters" in error_msg


class TestSessionStatistics:
    """Tests for session statistics retrieval."""

    def test_get_session_statistics_after_feedback(
        self, sample_verification_session, temp_storage_dir
    ):
        """Verify session statistics are updated after feedback."""
        store = JSONVerificationStore(storage_dir=temp_storage_dir)
        store.save_session(sample_verification_session)

        queue_manager = MessageQueueManager(sample_verification_session)
        messages = [
            TestMessage(
                message_id="msg_001",
                text="Message 1",
                pre_classified_label="yellow",
            ),
            TestMessage(
                message_id="msg_002",
                text="Message 2",
                pre_classified_label="green",
            ),
        ]
        queue_manager.initialize_queue(messages)

        handler = VerificationFeedbackHandler(
            sample_verification_session, store, queue_manager
        )

        # Add correct feedback
        handler.handle_correct_feedback(
            message=messages[0],
            classifier_decision="yellow",
            classifier_confidence=0.85,
            classifier_indicators=["anxiety"],
        )

        stats = handler.get_session_statistics()

        assert stats["verified_count"] == 1
        assert stats["correct_count"] == 1
        assert stats["incorrect_count"] == 0

    def test_is_session_complete_false_when_messages_remain(
        self, sample_verification_session, temp_storage_dir
    ):
        """Verify session is not complete when messages remain."""
        store = JSONVerificationStore(storage_dir=temp_storage_dir)
        store.save_session(sample_verification_session)

        queue_manager = MessageQueueManager(sample_verification_session)
        messages = [
            TestMessage(
                message_id="msg_001",
                text="Message 1",
                pre_classified_label="yellow",
            ),
            TestMessage(
                message_id="msg_002",
                text="Message 2",
                pre_classified_label="green",
            ),
        ]
        queue_manager.initialize_queue(messages)

        handler = VerificationFeedbackHandler(
            sample_verification_session, store, queue_manager
        )

        assert handler.is_session_complete() is False

    def test_is_session_complete_true_when_all_verified(
        self, sample_verification_session, temp_storage_dir
    ):
        """Verify session is complete when all messages verified."""
        store = JSONVerificationStore(storage_dir=temp_storage_dir)
        store.save_session(sample_verification_session)

        queue_manager = MessageQueueManager(sample_verification_session)
        messages = [
            TestMessage(
                message_id="msg_001",
                text="Message 1",
                pre_classified_label="yellow",
            ),
        ]
        queue_manager.initialize_queue(messages)

        handler = VerificationFeedbackHandler(
            sample_verification_session, store, queue_manager
        )

        # Verify the only message
        handler.handle_correct_feedback(
            message=messages[0],
            classifier_decision="yellow",
            classifier_confidence=0.85,
            classifier_indicators=["anxiety"],
        )

        assert handler.is_session_complete() is True

    def test_get_queue_position(
        self, sample_verification_session, temp_storage_dir
    ):
        """Verify queue position is returned correctly."""
        store = JSONVerificationStore(storage_dir=temp_storage_dir)
        store.save_session(sample_verification_session)

        queue_manager = MessageQueueManager(sample_verification_session)
        messages = [
            TestMessage(
                message_id="msg_001",
                text="Message 1",
                pre_classified_label="yellow",
            ),
            TestMessage(
                message_id="msg_002",
                text="Message 2",
                pre_classified_label="green",
            ),
            TestMessage(
                message_id="msg_003",
                text="Message 3",
                pre_classified_label="red",
            ),
        ]
        queue_manager.initialize_queue(messages)

        handler = VerificationFeedbackHandler(
            sample_verification_session, store, queue_manager
        )

        current_pos, total = handler.get_queue_position()
        assert current_pos == 1
        assert total == 3