/*
 * Copyright 2024 Jonas Kaninda
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package middlewares

import (
	"context"
	"errors"
	"github.com/go-redis/redis_rate/v10"
	"github.com/redis/go-redis/v9"
)

// redisRateLimiter, handle rateLimit
func redisRateLimiter(clientIP string, rate int) error {
	ctx := context.Background()

	res, err := limiter.Allow(ctx, clientIP, redis_rate.PerMinute(rate))
	if err != nil {
		return err
	}
	if res.Remaining == 0 {
		return errors.New("requests limit exceeded")
	}

	return nil
}
func InitRedis(addr, password string) {
	Rdb = redis.NewClient(&redis.Options{
		Addr:     addr,
		Password: password,
	})
	limiter = redis_rate.NewLimiter(Rdb)
}