package reconciler

import (
	"context"
	"sync/atomic"
	"testing"
	"time"

	"github.com/realmanual/traefik-selectel/internal/traefik"
)

func TestRunTicksAndTriggers(t *testing.T) {
	e := newEnv(nil)
	e.src.routers = []traefik.Router{router("a", "Host(`app.example.com`)", "enabled")}
	trigger := make(chan struct{}, 1)
	var cycles int32
	ctx, cancel := context.WithCancel(context.Background())
	done := make(chan struct{})
	go func() {
		e.rec.Run(ctx, time.Hour, 5*time.Millisecond, trigger, func(Result, error) { atomic.AddInt32(&cycles, 1) })
		close(done)
	}()
	waitCycles := func(n int32) {
		deadline := time.Now().Add(3 * time.Second)
		for atomic.LoadInt32(&cycles) < n {
			if time.Now().After(deadline) {
				t.Fatalf("ожидали %d циклов, было %d", n, atomic.LoadInt32(&cycles))
			}
			time.Sleep(5 * time.Millisecond)
		}
	}
	waitCycles(1) // стартовый
	trigger <- struct{}{}
	waitCycles(2)
	cancel()
	<-done
	if len(e.dns.created) != 1 {
		t.Fatalf("created = %v", e.dns.created)
	}
}