/*
 * Copyright (c) 2023 Fancy Code.
 * 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.
 */
#include "HuntingUpgradeImpl.h"
#include "ILog.h"
#include "StatusCode.h"
#include "UpgradeBase.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
StatusCode HuntingUpgradeImpl::CheckFileHeader(const UpgradeFileHeader &head)
{
    if (CheckVersion(head) == false) {
        LogError("Check version failed.\n");
        return CreateStatusCode(STATUS_CODE_NOT_OK);
    }
    return CreateStatusCode(STATUS_CODE_OK);
}
StatusCode HuntingUpgradeImpl::CheckUpgradeFile(void)
{
    UpgradeFileHeader header;
    StatusCode code = UpgradeBase::CheckUpgradeFile(SD_CARD_MOUNT_PATH APPLICATION_CHECK_PATH, header);
    if (!IsCodeOK(code)) {
        LogWarning("Check upgrade file:not found.\n");
        return CreateStatusCode(STATUS_CODE_NOT_OK);
    }
    UpgradeBase::MoveUpgradeFile(SD_CARD_MOUNT_PATH APPLICATION_CHECK_PATH, APPLICATION_UPGRADE_PATH);
    return code;
}
bool HuntingUpgradeImpl::CheckVersion(const UpgradeFileHeader &head)
{
    constexpr int VERSION_BUFF_LENGTH = 36;
    char versionStr[VERSION_BUFF_LENGTH] = {0};
    memcpy(versionStr, HUNTING_CAMERA_VERSION, strlen(HUNTING_CAMERA_VERSION));
    unsigned char versionOld[VERSION_LENGTH] = {0};
    char *token;
    int i = 0;
    token = strtok(versionStr, ".");
    while (token != NULL && i < VERSION_LENGTH) {
        versionOld[i] = atoi(token);
        token = strtok(NULL, ".");
        i++;
    }
    unsigned long long oldVersionNum = 0;
    unsigned long long newVersionNum = 0;
    for (int j = 0; j < VERSION_LENGTH; j++) {
        LogInfo("0x%X\n", versionOld[j]);
        oldVersionNum += versionOld[j] * 10 * (i + 1);
        newVersionNum += head.version[j] * 10 * (i + 1);
    }
    if (oldVersionNum >= newVersionNum) {
        LogError("Version is too low.\n");
        return false;
    }
    return true;
}