package middleware

import (
	"context"
	"errors"
	"github.com/go-redis/redis"
	"hpds-iot-web/model"
	"time"

	"go.uber.org/zap"
)

type NoSql interface {
	Save(ctx context.Context, key string, value []byte, expires time.Duration) (err error)
	Get(ctx context.Context, key string) (data interface{}, err error)
}

// noSql 接口实现类
type noSql struct {
	rdb    *redis.Client
	logger *zap.Logger
}

func NewNoSql(logger *zap.Logger) NoSql {
	return &noSql{
		rdb:    model.Redis,
		logger: logger,
	}
}
func (ns *noSql) Save(ctx context.Context, key string, value []byte, expires time.Duration) (err error) {
	return ns.rdb.Set(key, value, expires).Err()

}
func (ns *noSql) Get(ctx context.Context, key string) (data interface{}, err error) {
	data, err = ns.rdb.Get(key).Result()
	if err == redis.Nil {
		return nil, errors.New("键" + key + "不存在")
	} else if err != nil {
		return nil, err
	}
	return data, nil
}