# test_properties_progress_display.py
"""
Property-based tests for progress display accuracy.

Tests that progress display correctly reflects the current position in the queue
and total messages in the dataset.
"""

import pytest
from hypothesis import given, strategies as st, settings, HealthCheck
from datetime import datetime
from src.core.verification_models import (
    VerificationRecord,
    VerificationSession,
    TestMessage,
    TestDataset,
)
from src.interface.verification_ui import VerificationUIComponents


def test_message_strategy():
    """Generate random test messages."""
    return st.builds(
        TestMessage,
        message_id=st.text(
            alphabet="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_",
            min_size=1,
            max_size=20,
        ),
        text=st.text(min_size=1, max_size=500),
        pre_classified_label=st.sampled_from(["green", "yellow", "red"]),
    )


class TestProgressDisplayAccuracy:
    """
    **Feature: verification-mode, Property 7: Progress Display is Accurate**
    
    Tests that progress display correctly reflects current position and total messages.
    """

    @given(
        current_index=st.integers(min_value=0, max_value=99),
        total_messages=st.integers(min_value=1, max_value=100),
    )
    @settings(suppress_health_check=[HealthCheck.function_scoped_fixture])
    def test_progress_display_format(self, current_index, total_messages):
        """
        **Feature: verification-mode, Property 7: Progress Display is Accurate**
        **Validates: Requirements 1.3, 5.1**
        
        For any current index and total messages, the progress display should show
        "Message X of Y" where X = current_index + 1 and Y = total_messages.
        """
        # Ensure current_index is within bounds
        if current_index >= total_messages:
            current_index = total_messages - 1
        
        # Get progress display
        progress = VerificationUIComponents.update_progress_display(
            current_index, total_messages
        )
        
        # Verify format contains "Progress"
        assert "Progress" in progress
        
        # Extract the numbers from the progress string
        # Format: "📊 **Progress:** X of Y messages (Z%)"
        import re
        match = re.search(r'(\d+) of (\d+)', progress)
        assert match is not None, f"Could not find 'X of Y' pattern in: {progress}"
        message_number = int(match.group(1))
        total_from_display = int(match.group(2))
        
        # Verify message number is correct (1-based)
        assert message_number == current_index + 1
        
        # Verify total is correct
        assert total_from_display == total_messages

    def test_progress_display_first_message(self):
        """
        **Feature: verification-mode, Property 7: Progress Display is Accurate**
        **Validates: Requirements 1.3, 5.1**
        
        When at the first message (index 0), progress should show "1 of Y".
        """
        progress = VerificationUIComponents.update_progress_display(0, 10)
        
        assert "1 of 10" in progress
        assert "Progress:" in progress

    def test_progress_display_last_message(self):
        """
        **Feature: verification-mode, Property 7: Progress Display is Accurate**
        **Validates: Requirements 1.3, 5.1**
        
        When at the last message, progress should show "Y of Y".
        """
        progress = VerificationUIComponents.update_progress_display(9, 10)
        
        assert "10 of 10" in progress
        assert "Progress:" in progress

    def test_progress_display_middle_message(self):
        """
        **Feature: verification-mode, Property 7: Progress Display is Accurate**
        **Validates: Requirements 1.3, 5.1**
        
        When at a middle message, progress should show correct position.
        """
        progress = VerificationUIComponents.update_progress_display(4, 10)
        
        assert "5 of 10" in progress
        assert "Progress:" in progress

    def test_progress_display_single_message(self):
        """
        **Feature: verification-mode, Property 7: Progress Display is Accurate**
        **Validates: Requirements 1.3, 5.1**
        
        When there is only one message, progress should show "1 of 1".
        """
        progress = VerificationUIComponents.update_progress_display(0, 1)
        
        assert "1 of 1" in progress
        assert "Progress:" in progress

    @given(st.integers(min_value=1, max_value=1000))
    def test_progress_display_large_dataset(self, total_messages):
        """
        **Feature: verification-mode, Property 7: Progress Display is Accurate**
        **Validates: Requirements 1.3, 5.1**
        
        For any large dataset size, progress display should correctly show position.
        """
        import re
        # Test at various positions
        for position_ratio in [0.0, 0.25, 0.5, 0.75, 0.99]:
            current_index = int(total_messages * position_ratio)
            if current_index >= total_messages:
                current_index = total_messages - 1
            
            progress = VerificationUIComponents.update_progress_display(
                current_index, total_messages
            )
            
            # Extract numbers using regex
            # Format: "📊 **Progress:** X of Y messages (Z%)"
            match = re.search(r'(\d+) of (\d+)', progress)
            assert match is not None, f"Could not find 'X of Y' pattern in: {progress}"
            message_number = int(match.group(1))
            total_from_display = int(match.group(2))
            
            # Verify correctness
            assert message_number == current_index + 1
            assert total_from_display == total_messages

    def test_progress_display_contains_emoji(self):
        """
        **Feature: verification-mode, Property 7: Progress Display is Accurate**
        **Validates: Requirements 1.3, 5.1**
        
        Progress display should contain the progress emoji for visual clarity.
        """
        progress = VerificationUIComponents.update_progress_display(0, 10)
        
        assert "📊" in progress

    def test_progress_display_contains_messages_text(self):
        """
        **Feature: verification-mode, Property 7: Progress Display is Accurate**
        **Validates: Requirements 1.3, 5.1**
        
        Progress display should contain "messages" text.
        """
        progress = VerificationUIComponents.update_progress_display(0, 10)
        
        # The implementation uses "messages" in the format
        assert "messages" in progress