package fusenrender_test

import (
	"context"
	"fusenrender"
	"log"

	"testing"
	"time"

	"github.com/google/uuid"
	"github.com/lni/goutils/syncutil"
)

func init() {
	log.SetFlags(log.Llongfile)
}

func TestStartNodeA(t *testing.T) {
	svc, err := fusenrender.LoadConfig("etc/etc_a.yaml")
	if err != nil {
		panic(err)
	}

	nh := fusenrender.StartNode(svc.ServerID, 128, svc.Address())

	raftStopper := syncutil.NewStopper()

	// ch := make(chan string, 16)

	raftStopper.RunWorker(func() {
		// this goroutine makes a linearizable read every 10 second. it returns the
		// Count value maintained in IStateMachine. see datastore.go for details.
		cs := nh.GetNoOPSession(128)
		ticker := time.NewTicker(100 * time.Millisecond)
		for {
			select {
			case <-ticker.C:

				item := &fusenrender.QueueItem{
					Group:    "test",
					Priority: uint32(2),
					CreateAt: time.Now(),
					Data:     uuid.New().String(),
				}

				cmd := fusenrender.Command{
					Name:  "enqueue",
					Group: "test",
					Item:  item,
				}

				data, err := cmd.Encode()
				if err != nil {
					log.Println(err)
				}

				ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
				_, err = nh.SyncPropose(ctx, cs, data)
				if err != nil {
					log.Println(err)
				}

				// log.Println("enqueue", len(result.Data))
				cancel()

			case <-raftStopper.ShouldStop():
				return
			}
		}
	})

	raftStopper.Wait()

}

func TestStartNodeB(t *testing.T) {
	svc, err := fusenrender.LoadConfig("etc/etc_b.yaml")
	if err != nil {
		panic(err)
	}

	nh := fusenrender.StartNode(svc.ServerID, 128, svc.Address())

	raftStopper := syncutil.NewStopper()

	// ch := make(chan string, 16)

	raftStopper.RunWorker(func() {
		// this goroutine makes a linearizable read every 10 second. it returns the
		// Count value maintained in IStateMachine. see datastore.go for details.
		cs := nh.GetNoOPSession(128)
		ticker := time.NewTicker(100 * time.Millisecond)
		for {
			select {
			case <-ticker.C:

				item := &fusenrender.QueueItem{
					Group:    "test",
					Priority: uint32(1),
					CreateAt: time.Now(),
					Data:     uuid.New().String(),
				}
				cmd := fusenrender.Command{
					Name:  "enqueue",
					Group: "test",
					Item:  item,
				}

				data, err := cmd.Encode()
				if err != nil {
					log.Println(err)
				}

				ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
				_, err = nh.SyncPropose(ctx, cs, data)
				if err != nil {
					log.Println(err)
				} else {
					// log.Println("enqueue", len(result.Data))
				}

				cancel()

			case <-raftStopper.ShouldStop():
				return
			}
		}
	})

	raftStopper.Wait()

}

func TestStartNodeC(t *testing.T) {

	svc, err := fusenrender.LoadConfig("etc/etc_c.yaml")
	if err != nil {
		panic(err)
	}

	nh := fusenrender.StartNode(svc.ServerID, 128, svc.Address())
	log.Println(nh)

	raftStopper := syncutil.NewStopper()
	raftStopper.RunWorker(func() {
		// this goroutine makes a linearizable read every 10 second. it returns the
		// Count value maintained in IStateMachine. see datastore.go for details.
		// cs := nh.GetNoOPSession(128)
		ticker := time.NewTicker(5 * time.Second)
		for {
			select {
			case <-ticker.C:

				// for {

				// 	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
				// 	cmd := fusenrender.Command{
				// 		Name:  "dequeue",
				// 		Group: "test",
				// 	}

				// 	data, err := cmd.Encode()
				// 	if err != nil {
				// 		log.Println(err)
				// 	}

				// 	result, err := nh.SyncPropose(ctx, cs, data)
				// 	if err != nil {
				// 		log.Println(err)
				// 	}

				// 	log.Println(len(result.Data), string(result.Data))
				// 	cancel()
				// 	if len(result.Data) == 0 {
				// 		break
				// 	}
				// }

			case <-raftStopper.ShouldStop():
				return
			}
		}
	})

	raftStopper.Wait()
}