package util

import (
	"context"
	"fmt"
	"github.com/spf13/viper"
	"github.com/zhenghaoz/gorse/client"
	"time"
)

var gorse *client.GorseClient

func init() {
	gorse = client.NewGorseClient(viper.GetString("gorse.addr"), "")

}

func Recommend(uid, goodsId, tie uint) {
	ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
	defer cancel()
	t := time.Unix(int64(tie), 0)
	date := t.Format("2006-01-02")
	_, err := gorse.InsertFeedback(ctx, []client.Feedback{
		{FeedbackType: "star",
			UserId:    fmt.Sprintf("%d", uid),
			ItemId:    fmt.Sprintf("%d", goodsId),
			Timestamp: date},
	})
	if err != nil {
		fmt.Println(err.Error())
	}
}

func GetRecommend(uid uint, cnt int) (goods []string, err error) {
	ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
	defer cancel()
	category, err := gorse.GetItemRecommendWithCategory(ctx, fmt.Sprintf("%d", uid), "", "", "", 0, cnt)
	return category, err
}