package crd

import (
	"context"
	"flink-kube-operator/internal/crd/v1alpha1"
	"fmt"

	"gitea.com/logicamp/lc"
	"go.uber.org/zap"
	metaV1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
	"k8s.io/apimachinery/pkg/runtime"
	"k8s.io/apimachinery/pkg/watch"
)

func (crd Crd) watchFlinkJobs() {
	lc.Logger.Debug("[crd] starting watch")
	watcher, err := crd.client.Watch(context.Background(), metaV1.ListOptions{})
	if err != nil {
		panic(err)
	}
	defer watcher.Stop()

	for event := range watcher.ResultChan() {
		lc.Logger.Debug("[crd] event received", zap.Any("type", event.Type))
		unstructuredJob := event.Object.(*unstructured.Unstructured)
		unstructuredMap, _, err := unstructured.NestedMap(unstructuredJob.Object)
		if err != nil {
			lc.Logger.Error("cannot create unstructured map", zap.Error(err))
			continue
		}
		job := &v1alpha1.FlinkJob{}
		err = runtime.DefaultUnstructuredConverter.FromUnstructured(unstructuredMap, job)
		if err != nil {
			lc.Logger.Error("cannot convert unstructured to structured", zap.Error(err))
			continue
		}
		switch event.Type {
		case watch.Bookmark:
		case watch.Modified:
			fmt.Printf("FlinkJob updated: %s\n", job.GetName())
			// Handle the new FlinkJob
			handleNewFlinkJob(job)
		case watch.Added:
			fmt.Printf("New FlinkJob created: %s\n", job.GetName())
			// Handle the new FlinkJob
			handleNewFlinkJob(job)
		}
	}
}

func handleNewFlinkJob(job *v1alpha1.FlinkJob) {
	// Extract job details
	name := job.GetName()
	namespace := job.GetNamespace()

	// Process job specification
	fmt.Printf("Processing FlinkJob %s in namespace %s kind: %s \n", name, namespace, job.Kind)

	lc.Logger.Debug("[crd] [watch]", zap.Any("spec", job))
	// Add your custom logic here
}