package services

import (
	"context"
	"fmt"
	"net/http"
	"net/http/httptest"
	"opsxloki/models"
	"testing"
)

func TestClusterWorkloadSelectorsUseSelectedNamespace(t *testing.T) {
	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "application/json")
		switch r.URL.Path {
		case "/api/v1/namespaces":
			fmt.Fprint(w, `{"apiVersion":"v1","kind":"NamespaceList","items":[{"metadata":{"name":"prod"}},{"metadata":{"name":"default"}}]}`)
		case "/apis/apps/v1/namespaces/prod/deployments":
			fmt.Fprint(w, `{"apiVersion":"apps/v1","kind":"DeploymentList","items":[{"metadata":{"name":"api"},"spec":{"replicas":3},"status":{"readyReplicas":2}}]}`)
		default:
			t.Errorf("unexpected Kubernetes API path %s", r.URL.Path)
			http.NotFound(w, r)
		}
	}))
	defer server.Close()
	cluster := &models.Cluster{KubeConfig: fmt.Sprintf("apiVersion: v1\nkind: Config\nclusters:\n- name: test\n  cluster:\n    server: %s\ncontexts:\n- name: test\n  context:\n    cluster: test\n    user: test\ncurrent-context: test\nusers:\n- name: test\n  user: {}\n", server.URL)}
	namespaces, err := ListClusterNamespaces(context.Background(), cluster)
	if err != nil || len(namespaces) != 2 || namespaces[0] != "default" || namespaces[1] != "prod" {
		t.Fatalf("unexpected namespaces: %v, %v", namespaces, err)
	}
	deployments, err := ListClusterDeployments(context.Background(), cluster, "prod")
	if err != nil || len(deployments) != 1 || deployments[0].Name != "api" || deployments[0].Replicas != 3 || deployments[0].ReadyReplicas != 2 {
		t.Fatalf("unexpected deployments: %v, %v", deployments, err)
	}
	if _, err := ListClusterDeployments(context.Background(), cluster, "-bad"); err == nil {
		t.Fatal("expected invalid namespace to be rejected")
	}
}