from typing import Dict, List, Tuple

# Directed Acyclic Graph (DAG): task -> [dependencies]
JOB_GRAPH: Dict[str, Dict[str, List[str]]] = {
    "MailCheck": {
        "MXValidation": [],
        "SPFValidation": [],
        "TLSCheck": ["MXValidation"],
        "CertValidity": ["MXValidation"],
        "MTASTSCheck": [],
        "TLSRPTCheck": [],
    },
    "MailSend": {
        "SendClean": [],
    }
}

def routing_key(job_type: str, task_name: str) -> str:
    return f"{job_type}.{task_name}"

def list_tasks_for_job(job_type: str) -> List[str]:
    return list(JOB_GRAPH.get(job_type, {}).keys())

def list_dependencies(job_type: str, task_name: str) -> List[str]:
    return JOB_GRAPH.get(job_type, {}).get(task_name, [])