from fastapi import APIRouter, Query
from k8s_client import get_core_client

router  = APIRouter(prefix="/pods", tags=["pods"])

@router.get("/")
def list_pods(namespace: str = Query("default")):
    v1 = get_core_client()
    pods = v1.list_namespaced_pod(namespace=namespace).items
    return [
        {
            "name": p.metadata.name,
            "namespace": p.metadata.namespace,
            "phase": p.status.phase,           # Pending/Running/Succeeded/Failed
            "ready": _is_ready(p),
            "restarts": _restarts(p),
            "node": p.spec.node_name,
        }
        for p in pods
    ]


def _is_ready(pod) -> bool :
    if not pod.status.conditions:
        return False
    for any(c.type == "Ready" and c.status == "True" for c in pod.status.conditions)

def _restarts(pod) -> int:
    if not pod.status.container_statuses:
        return 0
    return sum(c.restart_count for c in pod.status.container_statuses)