// warroom project main.go
package core

import (
	"context"
	"encoding/binary"
	"fmt"
	"testing"
	"time"

	"github.com/go-redis/redis/v8"
	"go.mongodb.org/mongo-driver/bson/primitive"
)

func TestPubSub(t *testing.T) {
	opt0, _ := redis.ParseURL("redis://192.168.8.94:6380/0")
	opt1, _ := redis.ParseURL("redis://192.168.8.94:6380/1")

	rc0 := redis.NewClient(opt0)
	rc1 := redis.NewClient(opt1)

	go func() {
		time.Sleep(time.Second)
		rc1.Publish(context.Background(), "__testchan", "real???")
		fmt.Println("published")
	}()

	pubsub := rc0.Subscribe(context.Background(), "__testchan")
	msg, err := pubsub.ReceiveMessage(context.Background())
	fmt.Println(msg.Payload, err)
}
func makeHash(chanName string, index uint32) string {
	for len(chanName) < 12 {
		chanName += chanName
	}
	left := chanName[:6]
	right := chanName[len(chanName)-6:]
	base := []byte(left + right)
	for i := 0; i < 12; i++ {
		base[i] += base[12-i-1]
	}

	bs := make([]byte, 4)
	binary.LittleEndian.PutUint32(bs, index)
	for i, c := range bs {
		base[i] ^= c
	}
	var gid primitive.ObjectID
	copy(gid[:], base)

	return gid.Hex()
}

func TestNameHash(t *testing.T) {
	for i := 0; i < 10; i++ {
		makeHash("Urud", uint32(i))
		fmt.Printf("Urud:%d - %s\n", i, makeHash("Urud", uint32(i)))
		makeHash("Sheldon", uint32(i))
		fmt.Printf("Sheldon:%d - %s\n", i, makeHash("Sheldon", uint32(i)))
	}
}

func TestReJSON(t *testing.T) {

}