"""
MicroPython Dictionary Sender Test
Tests the smartsend function with dictionary 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 smartsend, DEFAULT_BROKER_URL, DEFAULT_FILESERVER_URL, DEFAULT_SIZE_THRESHOLD, MAX_PAYLOAD_SIZE

TEST_SUBJECT = '/test/dictionary'
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 Dictionary Sender Test ===\n')
    
    from natsbridge_mpy import _generate_uuid
    correlation_id = 'mpy-dict-test-' + _generate_uuid()
    print(f'Correlation ID: {correlation_id}')
    print(f'Subject: {TEST_SUBJECT}')
    print(f'Broker URL: {TEST_BROKER_URL}')
    print(f'Default Size Threshold: {DEFAULT_SIZE_THRESHOLD} bytes')
    print(f'Max Payload Size: {MAX_PAYLOAD_SIZE} bytes\n')
    
    # Test data - various dictionary structures
    test_data = [
        ('simple_dict', {'key1': 'value1', 'key2': 'value2'}, 'dictionary'),
        ('nested_dict', {'outer': {'inner': 'value', 'number': 42}}, 'dictionary'),
        ('array_dict', {'items': [1, 2, 3, 'four', 'five']}, 'dictionary'),
        ('mixed_dict', {'string': 'text', 'number': 123, 'boolean': True, 'null_val': None}, 'dictionary')
    ]
    
    try:
        # Send the message
        print('Sending dictionary payloads...')
        env, env_json_str = smartsend(
            TEST_SUBJECT,
            test_data,
            broker_url=TEST_BROKER_URL,
            fileserver_url=TEST_FILESERVER_URL,
            correlation_id=correlation_id,
            msg_purpose='test',
            sender_name='mpy-dict-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']) != 4:
            print(f'❌ Expected 4 payloads, got {len(env["payloads"])}')
            passed = False
        else:
            print('✅ Correct number of payloads')
        
        # Test each payload
        expected_datanames = ['simple_dict', 'nested_dict', 'array_dict', 'mixed_dict']
        expected_types = ['dictionary', 'dictionary', 'dictionary', 'dictionary']
        
        for i in range(len(env['payloads'])):
            payload = env['payloads'][i]
            
            if payload['dataname'] != expected_datanames[i]:
                print(f"❌ Payload {i + 1}: Expected dataname '{expected_datanames[i]}', got '{payload['dataname']}'")
                passed = False
            else:
                print(f'✅ Payload {i + 1}: Correct dataname')
            
            if payload['payload_type'] != expected_types[i]:
                print(f"❌ Payload {i + 1}: Expected type '{expected_types[i]}', got '{payload['payload_type']}'")
                passed = False
            else:
                print(f'✅ Payload {i + 1}: Correct type')
            
            if payload['transport'] != 'direct':
                print(f"❌ Payload {i + 1}: Expected transport 'direct', got '{payload['transport']}'")
                passed = False
            else:
                print(f'✅ Payload {i + 1}: Correct transport')
            
            if payload['encoding'] != 'base64':
                print(f"❌ Payload {i + 1}: Expected encoding 'base64', got '{payload['encoding']}'")
                passed = False
            else:
                print(f'✅ Payload {i + 1}: Correct encoding')
            
            # Decode and verify the data
            import base64
            decoded_data = json.loads(base64.b64decode(payload['data']).decode('ascii'))
            original_data = test_data[i][1]
            
            # Normalize for comparison
            if json.dumps(decoded_data, sort_keys=True) != json.dumps(original_data, sort_keys=True):
                print(f'❌ Payload {i + 1}: Data integrity mismatch')
                print(f'   Expected: {json.dumps(original_data)}')
                print(f'   Got: {json.dumps(decoded_data)}')
                passed = False
            else:
                print(f'✅ Payload {i + 1}: Data integrity verified')
            
            print(f'   Size: {payload["size"]} bytes\n')
        
        # Test round-trip serialization
        print('=== Round-trip Serialization Test ===')
        round_trip_data = [
            ('roundtrip', {'test': 'data', 'numbers': [1, 2, 3], 'nested': {'a': 1, 'b': 2}}, 'dictionary')
        ]
        
        rt_env, _ = smartsend(
            TEST_SUBJECT,
            round_trip_data,
            broker_url=TEST_BROKER_URL,
            fileserver_url=TEST_FILESERVER_URL,
            correlation_id='roundtrip-' + correlation_id,
            is_publish=False
        )
        
        rt_payload = rt_env['payloads'][0]
        rt_decoded = json.loads(base64.b64decode(rt_payload['data']).decode('ascii'))
        
        if json.dumps(rt_decoded, sort_keys=True) == json.dumps(round_trip_data[0][1], sort_keys=True):
            print('✅ Round-trip serialization successful')
        else:
            print('❌ Round-trip serialization failed')
            passed = False
        
        # Test JSON string output
        print('\n=== JSON String Output Test ===')
        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__':
    run_test()