"""
Python Table Sender Test
Tests the smartsend function with table (Arrow IPC) payloads
"""

import asyncio
import sys
import os

# Add parent directory to path
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

from natsbridge import smartsend, DEFAULT_BROKER_URL, DEFAULT_FILESERVER_URL

TEST_SUBJECT = '/test/table'
TEST_BROKER_URL = os.environ.get('NATS_URL', 'nats://localhost:4222')
TEST_FILESERVER_URL = os.environ.get('FILESERVER_URL', 'http://localhost:8080')


async def run_test():
    print('=== Python Table Sender Test ===\n')
    
    correlation_id = 'py-table-test-' + str(asyncio.get_event_loop().time() * 1000000)
    print(f'Correlation ID: {correlation_id}')
    print(f'Subject: {TEST_SUBJECT}')
    print(f'Broker URL: {TEST_BROKER_URL}\n')
    
    # Test data - pandas DataFrame
    try:
        import pandas as pd
        table_data = pd.DataFrame({
            'id': [1, 2, 3, 4, 5],
            'name': ['Alice', 'Bob', 'Charlie', 'David', 'Eve'],
            'age': [30, 25, 35, 28, 32],
            'active': [True, False, True, True, False]
        })
        table_available = True
    except ImportError:
        print('❌ pandas not available - skipping table tests')
        sys.exit(0)
    
    test_data = [
        ('users_table', table_data, 'table')
    ]
    
    try:
        # Send the message
        print('Sending table payload...')
        env, env_json_str = await smartsend(
            TEST_SUBJECT,
            test_data,
            broker_url=TEST_BROKER_URL,
            fileserver_url=TEST_FILESERVER_URL,
            correlation_id=correlation_id,
            msg_purpose='test',
            sender_name='py-table-test',
            is_publish=False
        )
        
        print('\n=== Envelope Created ===')
        print(f'Correlation ID: {env["correlation_id"]}')
        print(f'Message ID: {env["msg_id"]}')
        print(f'Timestamp: {env["timestamp"]}')
        print(f'Subject: {env["send_to"]}')
        print(f'Purpose: {env["msg_purpose"]}')
        print(f'Sender: {env["sender_name"]}')
        print(f'Payloads: {len(env["payloads"])}\n')
        
        # Validate envelope structure
        print('=== Validation ===')
        passed = True
        
        if len(env['payloads']) != 1:
            print(f'❌ Expected 1 payload, got {len(env["payloads"])}')
            passed = False
        else:
            print('✅ Correct number of payloads')
        
        payload = env['payloads'][0]
        if payload['dataname'] != 'users_table':
            print(f"❌ Expected dataname 'users_table', got '{payload['dataname']}'")
            passed = False
        else:
            print('✅ Correct dataname')
        
        if payload['payload_type'] != 'table':
            print(f"❌ Expected payload_type 'table', got '{payload['payload_type']}'")
            passed = False
        else:
            print('✅ Correct payload_type')
        
        if payload['transport'] != 'direct':
            print(f"❌ Expected transport 'direct', got '{payload['transport']}'")
            passed = False
        else:
            print('✅ Correct transport')
        
        if payload['encoding'] != 'base64':
            print(f"❌ Expected encoding 'base64', got '{payload['encoding']}'")
            passed = False
        else:
            print('✅ Correct encoding')
        
        print(f'\nPayload size: {payload["size"]} bytes')
        
        # Test with larger table
        print('\n=== Larger Table Test ===')
        large_table_data = pd.DataFrame({
            'id': range(100),
            'name': [f'User{i}' for i in range(100)],
            'age': [20 + (i % 50) for i in range(100)],
            'active': [i % 2 == 0 for i in range(100)]
        })
        
        large_test_data = [
            ('large_table', large_table_data, 'table')
        ]
        
        large_env, _ = await smartsend(
            TEST_SUBJECT,
            large_test_data,
            broker_url=TEST_BROKER_URL,
            fileserver_url=TEST_FILESERVER_URL,
            correlation_id='large-' + correlation_id,
            is_publish=False
        )
        
        if len(large_env['payloads']) == 1:
            print('✅ Large table handled correctly')
            print(f'   Size: {large_env["payloads"][0]["size"]} bytes')
        else:
            print('❌ Large table handling failed')
            passed = False
        
        # Test JSON string output
        print('\n=== JSON String Output Test ===')
        import json
        try:
            parsed = json.loads(env_json_str)
            if parsed['correlation_id'] == env['correlation_id'] and \
               len(parsed['payloads']) == len(env['payloads']):
                print('✅ JSON string is valid and matches envelope')
            else:
                print('❌ JSON string does not match envelope')
                passed = False
        except json.JSONDecodeError as e:
            print(f'❌ JSON string is invalid: {e}')
            passed = False
        
        # Final result
        print('\n=== Test Result ===')
        if passed:
            print('✅ ALL TESTS PASSED')
            sys.exit(0)
        else:
            print('❌ SOME TESTS FAILED')
            sys.exit(1)
            
    except Exception as e:
        print(f'❌ Test failed with error: {e}')
        import traceback
        traceback.print_exc()
        sys.exit(1)


if __name__ == '__main__':
    asyncio.run(run_test())