package discovery

import (
	"context"
	"regexp"
	"testing"
	"time"

	"forge.cadoles.com/cadoles/go-emlid/reach"
)

func TestDiscovery(t *testing.T) {
	reach.AssertIntegrationTests(t)

	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
	defer cancel()

	services, err := Discover(ctx)
	if err != nil {
		t.Fatal(err)
	}

	if g, e := len(services), 1; g < e {
		t.Fatalf("len(services): got '%d', expected > %d", g, e)
	}

	t.Logf("Found %d services", len(services))

	patterns := []string{"reach", "Reach", "^RS.*"}

	for i, s := range services {
		t.Logf("Service #%d: %s - %s:%d", i, s.Name, s.AddrV4.String(), s.Port)

		matched := false

		for _, p := range patterns {
			re, err := regexp.Compile(p)
			if err != nil {
				t.Fatal(err)
			}

			if re.Match([]byte(s.Name)) {
				matched = true
				break
			}
		}

		if !matched {
			t.Errorf("services[%d].Name ('%s') to match on of '%v'", i, s.Name, patterns)
		}
	}

}