"""Config loader — fetches model IDs and service URLs from SSM Parameter Store at cold start."""

import boto3

_DEFAULTS = {
    '/agent-claw/model-id': 'us.anthropic.claude-sonnet-4-6',
    '/agent-claw/config/compaction_model_id': 'us.anthropic.claude-3-5-haiku-20241022-v1:0',
    '/agent-claw/aws-mcp-url': 'https://aws-mcp.us-east-1.api.aws/mcp',
}


def _load():
    ssm = boto3.client('ssm', region_name='us-east-1')
    names = list(_DEFAULTS.keys())
    try:
        resp = ssm.get_parameters(Names=names, WithDecryption=True)
        found = {p['Name']: p['Value'] for p in resp['Parameters']}
    except Exception:
        found = {}
    return {name: found.get(name, default) for name, default in _DEFAULTS.items()}


_params = _load()

AGENT_MODEL_ID: str = _params['/agent-claw/model-id']
COMPACTION_MODEL_ID: str = _params['/agent-claw/config/compaction_model_id']
AWS_MCP_URL: str = _params['/agent-claw/aws-mcp-url']