package controller

import (
	"context"

	corev1 "k8s.io/api/core/v1"
	"k8s.io/apimachinery/pkg/runtime"
	ctrl "sigs.k8s.io/controller-runtime"
	"sigs.k8s.io/controller-runtime/pkg/client"
	"sigs.k8s.io/controller-runtime/pkg/log"

	kubeclawv1alpha1 "github.com/nousresearch/kubeclaw/api/v1alpha1"
)

// AgentReconciler reconciles Agent resources.
type AgentReconciler struct {
	client.Client
	Scheme *runtime.Scheme
}

// +kubebuilder:rbac:groups=kubeclaw.nousresearch.com,resources=agents,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=kubeclaw.nousresearch.com,resources=agents/status,verbs=get;update;patch
// +kubebuilder:rbac:groups=kubeclaw.nousresearch.com,resources=agents/finalizers,verbs=update
// +kubebuilder:rbac:groups=core,resources=pods,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=core,resources=events,verbs=create;patch

func (r *AgentReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
	log := log.FromContext(ctx)

	var agent kubeclawv1alpha1.Agent
	if err := r.Get(ctx, req.NamespacedName, &agent); err != nil {
		log.Error(err, "unable to fetch Agent")
		return ctrl.Result{}, client.IgnoreNotFound(err)
	}

	log.Info("Reconciling Agent", "agent", agent.Name)

	// TODO: Build or update the agent pod from the Agent spec
	// TODO: Wire judge sidecar and workflow executor sidecar
	// TODO: Inject ConfigMap and Secret references
	// TODO: Update AgentStatus with pod reference and conditions

	return ctrl.Result{}, nil
}

func (r *AgentReconciler) SetupWithManager(mgr ctrl.Manager) error {
	return ctrl.NewControllerManagedBy(mgr).
		For(&kubeclawv1alpha1.Agent{}).
		Owns(&corev1.Pod{}).
		Complete(r)
}