/*
 * Copyright (C) 2021 Huawei Device Co., Ltd.
 * 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.
 */

#ifndef CONNECTION_RETRY_POLICY_H
#define CONNECTION_RETRY_POLICY_H

#include <memory>
#include <string>
#include <vector>

#include "apn_item.h"
#include "cellular_data_constant.h"

namespace OHOS {
namespace Telephony {
namespace {
    constexpr int32_t DEFAULT_DELAY_FOR_SETUP_FAIL = 3000;
    constexpr int32_t DEFAULT_DELAY_FOR_MODEM_DEND = 1000;
}
class ConnectionRetryPolicy {
public:
    ConnectionRetryPolicy();
    ~ConnectionRetryPolicy() = default;
    sptr<ApnItem> GetNextRetryApnItem() const;
    void SetMatchedApns(std::vector<sptr<ApnItem>> &apns);
    void ClearRetryApns();
    void MarkBadApn(ApnItem &apn);
    int64_t GetNextRetryDelay(std::string apnType, int32_t cause, int64_t suggestTime, RetryScene scene,
        int32_t slotId);
    void InitialRetryCountValue();
    std::vector<sptr<ApnItem>> GetMatchedApns() const;
    static void OnPropChanged(const char *key, const char *value, void *context);
    static DisConnectionReason ConvertPdpErrorToDisconnReason(int32_t reason);
    bool IsAllBadApn() const;

private:
    int64_t GetRandomDelay();

private:
    inline static bool isPropOn_ = false;
    std::vector<sptr<ApnItem>> matchedApns_;
    inline static int32_t defaultSetupFailDelay_ = DEFAULT_DELAY_FOR_SETUP_FAIL;
    inline static int32_t defaultModemDendDelay_ = DEFAULT_DELAY_FOR_MODEM_DEND;
    mutable int32_t tryCount_ = 0;
    int32_t maxCount_ = 5;
    mutable int32_t currentApnIndex_ = 0;
};
} // namespace Telephony
} // namespace OHOS
#endif // CONNECTION_RETRY_POLICY_H