import redis
import json

# Redis connection settings
REDIS_HOST = "localhost"
REDIS_PORT = 6379
REDIS_USERNAME = None  # "default"
REDIS_PASSWORD = None  # "bdnZOpcyiL"

OPC_URL = "opc.tcp://sientia-opc-simulator-service.sientia-opc.svc.cluster.local:4840"
OPC_URL = "opc.tcp://localhost:4840"

# Connect to Redis
r = redis.Redis(host=REDIS_HOST, port=REDIS_PORT,
                decode_responses=True, username=REDIS_USERNAME, password=REDIS_PASSWORD)

# Define the key pattern to target
pattern = "slot:opc_tags:*"

# Step 1: Find and delete matching keys
print("🔍 Searching for keys matching:", pattern)
for key in r.scan_iter(match=pattern):
    r.delete(key)
    print(f"❌ Deleted: {key}")

# Step 2: Insert new data
# Example new OPC tag data
new_data = {
    "slot:opc_tags:1": {
        "server1": {
            "name": "server1",
            "url": OPC_URL,
            "server_uri": "http://opcua-server.simulator",
            "tags": {
                'ns=2;i=2': {
                    'tag_name': 'Counter',
                    'frequency': 1000,
                    'topics': ['opcua', 'counter'],
                },
                'ns=2;i=3': {
                    'tag_name': 'Rollout',
                    'frequency': 1000,
                    "topics": ['opcua', 'rollout'],
                },
                'ns=2;i=4': {
                    'tag_name': 'Square',
                    'frequency': 1000,
                    "topics": ['opcua'],
                },
            }
        }
    }
}

for key, val in new_data.items():
    r.set(key, json.dumps(val))
    print(f"✅ Set: {key} -> {val}")

print("🚀 OPC tag keys replaced successfully.")