"""
MicroPython Text Receiver Test
Tests the smartreceive function with text payloads

Note: This test is designed for both MicroPython and desktop Python
for compatibility testing.
"""

import sys
import os
import json

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

from natsbridge_mpy import smartreceive, DEFAULT_BROKER_URL, DEFAULT_FILESERVER_URL

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


def run_test():
    print('=== MicroPython Text Receiver Test ===\n')
    
    from natsbridge_mpy import _generate_uuid
    
    # Create a mock NATS message with text payload
    test_text = 'Hello, NATSBridge! This is a test message.'
    import base64
    
    test_data = {
        'correlation_id': 'mpy-receiver-test-' + _generate_uuid(),
        'msg_id': _generate_uuid(),
        'timestamp': '2024-01-15T10:30:00Z',
        'send_to': '/test/text',
        'msg_purpose': 'test',
        'sender_name': 'mpy-text-test',
        'sender_id': _generate_uuid(),
        'receiver_name': 'mpy-receiver',
        'receiver_id': _generate_uuid(),
        'reply_to': '',
        'reply_to_msg_id': '',
        'broker_url': TEST_BROKER_URL,
        'metadata': {},
        'payloads': [
            {
                'id': _generate_uuid(),
                'dataname': 'message',
                'payload_type': 'text',
                'transport': 'direct',
                'encoding': 'base64',
                'size': len(test_text.encode('utf8')),
                'data': base64.b64encode(test_text.encode('utf8')).decode('ascii'),
                'metadata': {'payload_bytes': len(test_text.encode('utf8'))}
            }
        ]
    }
    
    mock_msg = {
        'payload': json.dumps(test_data)
    }
    
    print('Mock Message Created:')
    print(f'  Correlation ID: {test_data["correlation_id"]}')
    print(f'  Payloads: {len(test_data["payloads"])}')
    print(f'  Payload dataname: {test_data["payloads"][0]["dataname"]}')
    print(f'  Payload type: {test_data["payloads"][0]["payload_type"]}')
    print(f'  Transport: {test_data["payloads"][0]["transport"]}\n')
    
    try:
        # Receive and process the message
        print('Receiving and processing message...')
        env = smartreceive(
            mock_msg,
            max_retries=3,
            base_delay=100,
            max_delay=1000
        )
        
        print('\n=== Received Envelope ===')
        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'Payloads: {len(env["payloads"])}\n')
        
        # Validate received data
        print('=== Validation ===')
        passed = True
        
        if not env.get('correlation_id'):
            print('❌ correlation_id is missing')
            passed = False
        else:
            print('✅ correlation_id present')
        
        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[0] != 'message':
            print(f"❌ Expected dataname 'message', got '{payload[0]}'")
            passed = False
        else:
            print('✅ Correct dataname')
        
        if payload[2] != 'text':
            print(f"❌ Expected type 'text', got '{payload[2]}'")
            passed = False
        else:
            print('✅ Correct type')
        
        if payload[1] != test_text:
            print('❌ Data mismatch')
            print(f'   Expected: {test_text}')
            print(f'   Got: {payload[1]}')
            passed = False
        else:
            print('✅ Data correctly deserialized')
        
        # Test with multiple text payloads
        print('\n=== Multiple Text Payloads Test ===')
        multi_test_data = {
            'correlation_id': 'multi-receiver-' + _generate_uuid(),
            'msg_id': _generate_uuid(),
            'timestamp': '2024-01-15T10:30:00Z',
            'send_to': '/test/text',
            'msg_purpose': 'test',
            'sender_name': 'mpy-text-test',
            'sender_id': _generate_uuid(),
            'receiver_name': 'mpy-receiver',
            'receiver_id': _generate_uuid(),
            'reply_to': '',
            'reply_to_msg_id': '',
            'broker_url': TEST_BROKER_URL,
            'metadata': {},
            'payloads': [
                {
                    'id': _generate_uuid(),
                    'dataname': 'msg1',
                    'payload_type': 'text',
                    'transport': 'direct',
                    'encoding': 'base64',
                    'size': 16,
                    'data': base64.b64encode(b'First message').decode('ascii'),
                    'metadata': {'payload_bytes': 16}
                },
                {
                    'id': _generate_uuid(),
                    'dataname': 'msg2',
                    'payload_type': 'text',
                    'transport': 'direct',
                    'encoding': 'base64',
                    'size': 16,
                    'data': base64.b64encode(b'Second message').decode('ascii'),
                    'metadata': {'payload_bytes': 16}
                },
                {
                    'id': _generate_uuid(),
                    'dataname': 'msg3',
                    'payload_type': 'text',
                    'transport': 'direct',
                    'encoding': 'base64',
                    'size': 16,
                    'data': base64.b64encode(b'Third message').decode('ascii'),
                    'metadata': {'payload_bytes': 16}
                }
            ]
        }
        
        mock_multi_msg = {'payload': json.dumps(multi_test_data)}
        multi_env = smartreceive(mock_multi_msg)
        
        if len(multi_env['payloads']) == 3:
            print('✅ Multiple payloads handled correctly')
            
            # Verify each payload
            expected_messages = ['First message', 'Second message', 'Third message']
            for i in range(3):
                if multi_env['payloads'][i][1] == expected_messages[i]:
                    print(f'✅ Payload {i + 1} correctly deserialized')
                else:
                    print(f'❌ Payload {i + 1} mismatch')
                    passed = False
        else:
            print(f'❌ Expected 3 payloads, got {len(multi_env["payloads"])}')
            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__':
    run_test()