"""
API endpoint tests for timestamp standardization.
Ensures all API endpoints return float UTC timestamps.
"""

import pytest

import json
import time

from modules.shared.timezoneUtils import get_utc_timestamp, create_expiration_timestamp


class TestAPITimestampFormat:
    """Test that all API endpoints return float timestamps."""
    
    def test_connection_endpoints_return_float_timestamps(self):
        """Test connection endpoints return float timestamps."""
        # Note: This test would require a running FastAPI app with actual endpoints
        # For now, we'll test the timestamp generation functions instead
        
        # Test timestamp generation functions
        current_time = get_utc_timestamp()
        expires_at = create_expiration_timestamp(3600)
        
        # Verify the functions return float timestamps
        assert isinstance(current_time, float)
        assert isinstance(expires_at, float)
        assert expires_at > current_time
    
    def test_oauth_endpoints_return_float_timestamps(self):
        """Test OAuth endpoints return float timestamps in HTML responses."""
        # Test Google OAuth callback (simulated)
        # Note: This would need to be tested with actual OAuth flow
        # For now, we'll test the timestamp generation functions
        
        current_time = get_utc_timestamp()
        expires_at = create_expiration_timestamp(3600)
        
        # Verify the functions return float timestamps
        assert isinstance(current_time, float)
        assert isinstance(expires_at, float)
        assert expires_at > current_time
    
    def test_workflow_endpoints_return_float_timestamps(self):
        """Test workflow endpoints return float timestamps."""
        # Test GET /api/workflows (if endpoint exists)
        # This would need to be implemented based on actual workflow endpoints
        
        # For now, test timestamp generation
        current_time = get_utc_timestamp()
        assert isinstance(current_time, float)
        assert current_time > 1600000000
    
    def test_chat_endpoints_return_float_timestamps(self):
        """Test chat endpoints return float timestamps."""
        # Test chat message endpoints (if they exist)
        # This would need to be implemented based on actual chat endpoints
        
        # For now, test timestamp generation
        current_time = get_utc_timestamp()
        assert isinstance(current_time, float)
        assert current_time > 1600000000
    
    def test_component_endpoints_return_float_timestamps(self):
        """Test component endpoints return float timestamps."""
        # Test file endpoints (if they exist)
        # This would need to be implemented based on actual component endpoints
        
        # For now, test timestamp generation
        current_time = get_utc_timestamp()
        assert isinstance(current_time, float)
        assert current_time > 1600000000


class TestTimestampGenerationConsistency:
    """Test that timestamp generation is consistent across all endpoints."""
    
    def test_utc_timestamp_consistency(self):
        """Test that get_utc_timestamp returns consistent values."""
        timestamp1 = get_utc_timestamp()
        time.sleep(0.1)  # Small delay
        timestamp2 = get_utc_timestamp()
        
        # Both should be float
        assert isinstance(timestamp1, float)
        assert isinstance(timestamp2, float)
        
        # Second should be greater than first
        assert timestamp2 > timestamp1
        
        # Both should be reasonable UTC timestamps
        assert timestamp1 > 1600000000
        assert timestamp2 > 1600000000
    
    def test_expiration_timestamp_consistency(self):
        """Test that create_expiration_timestamp works consistently."""
        current_time = get_utc_timestamp()
        expires_in = 3600  # 1 hour
        
        expiration1 = create_expiration_timestamp(expires_in)
        expiration2 = create_expiration_timestamp(expires_in)
        
        # Both should be float
        assert isinstance(expiration1, float)
        assert isinstance(expiration2, float)
        
        # Both should be current_time + expires_in
        assert expiration1 == current_time + expires_in
        assert expiration2 == current_time + expires_in
        
        # Both should be greater than current time
        assert expiration1 > current_time
        assert expiration2 > current_time


class TestTimestampValidation:
    """Test timestamp validation and error handling."""
    
    def test_invalid_timestamp_handling(self):
        """Test how the system handles invalid timestamps."""
        # Test with very old timestamp
        old_timestamp = 1000000000.0  # Year 2001
        
        # This should still be a valid float timestamp
        assert isinstance(old_timestamp, float)
        assert old_timestamp > 0
        
        # Test with future timestamp (reasonable)
        future_timestamp = get_utc_timestamp() + 86400  # 1 day from now
        
        assert isinstance(future_timestamp, float)
        assert future_timestamp > get_utc_timestamp()
    
    def test_timestamp_range_validation(self):
        """Test that timestamps are within reasonable range."""
        current_time = get_utc_timestamp()
        
        # Current time should be after 2020
        assert current_time > 1600000000  # 2020-01-01
        
        # Current time should be before 2100
        assert current_time < 4102444800  # 2100-01-01
        
        # Test expiration timestamp
        expires_at = create_expiration_timestamp(3600)
        assert expires_at > current_time
        assert expires_at < current_time + 86400  # Should not be more than 1 day in future





if __name__ == "__main__":
    pytest.main([__file__])