/*
 * 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 "MediaTask.h"
#include "DataProcessing.h"
#include "IIpcConfig.h"
#include "ILog.h"
#include "IMediaManager.h"
#include <cctype>
#include <chrono>
#include <cstring>
#include <ctime>
#include <iomanip>
#include <iostream>
#include <memory>
#include <sstream>
#include <string>
#include <sys/stat.h>
#include <vector>
MediaTask::MediaTask(const MediaTaskType &type, const InternalStateEvent &bindEvent,
                     const std::weak_ptr<VMediaTaskIniator> &iniator, const unsigned long &serialNumber,
                     const std::string &savePath)
    : mType(type), mBindEvent(bindEvent), mIniator(iniator), mSerialNumber(serialNumber), mSavePath(savePath),
      mCreateTime_s(0)
{
    mResponseData.reset();
    mTargetName.clear();
}
unsigned int MediaTask::GetTaskTimeOutMs(void)
{
    return MEDIA_TASK_TIMEOUT_MS;
}
const MediaTaskType MediaTask::GetTaskType(void)
{
    return mType;
}
std::string MediaTask::GetTargetNameForSaving(void)
{
    if (!mTargetName.empty()) {
        return mTargetName;
    }
    auto now = std::chrono::system_clock::now();

    mCreateTime_s = std::chrono::duration_cast<std::chrono::seconds>(now.time_since_epoch()).count();
    const std::string fileType = MediaTaskType::TAKE_VIDEO == mType ? ".mp4" : ".jpeg";
    return CreateFileName(mSerialNumber, mSavePath, fileType);
}
std::string MediaTask::GetThumbnailNameForSaving(const std::string &targetName)
{
    return MediaTask::GetThumbnailNameByTargetName(targetName);
}
int MediaTask::GetVideoDuration_ms(void)
{
    return DEFAULT_VIDEO_DURATION_MS;
}
void MediaTask::Response(const std::vector<MediaTaskResponse> &response)
{
    LogInfo("Response handle.\n");
    auto iniator = mIniator.lock();
    if (mIniator.expired()) {
        LogWarning("mIniator is expired.\n");
        return;
    }
    MediaTaskInfo info = {
        .mResponse = response,
        .mSerialNumber = mSerialNumber,
        .mCreateTime_s = mCreateTime_s,
    };
    iniator->TaskResponse(info);
}
std::string MediaTask::GetThumbnailNameByTargetName(const std::string &targetName)
{
    // const std::string fileType = MediaTaskType::TAKE_VIDEO == mType ? ".mp4" : ".jpeg";
    std::string thumbnailName = targetName;
    size_t dot_pos = thumbnailName.find_last_of('.');
    if (dot_pos != std::string::npos) {
        std::string extension = thumbnailName.substr(dot_pos);
        if (extension == ".mp4" || extension == ".jpeg") {
            thumbnailName.replace(dot_pos, extension.length(), "-thumbnail.jpeg");
            LogInfo("GetThumbnailNameForSaving: %s\n", thumbnailName.c_str());
            return thumbnailName;
        }
    }
    LogError("TargetName is not a mp4 file.\n");
    std::string unknowFile = "unknow";
    return unknowFile;
}
long long MediaTask::GetCreateTime_s(void)
{
    auto now = std::chrono::system_clock::now();
    // time_t t_now = std::chrono::system_clock::to_time_t(now);
    // struct tm tm_now = *std::localtime(&t_now);

    return std::chrono::duration_cast<std::chrono::seconds>(now.time_since_epoch()).count();
}
int MediaTask::GetFileSize_KB(const char *filePath)
{
    struct stat fileInfo;
    if (stat(filePath, &fileInfo) != 0) {
        LogError("stat failed.\n");
        return FILE_SIZE_ERROR;
    }
    return static_cast<double>(fileInfo.st_size) / 1024.0;
}
MediaTaskType MediaTask::WorkModeConvert(const WorkMode &mode)
{
    switch (mode) {
    case WorkMode::MODE_PIC:
        return MediaTaskType::TAKE_PICTURE;
    case WorkMode::MODE_VIDEO:
        return MediaTaskType::TAKE_VIDEO;
    case WorkMode::MODE_PIC_VIDEO:
        return MediaTaskType::TAKE_PICTURE_AND_VIDEO;

    default:
        LogWarning("unknow work mode.\n");
        return MediaTaskType::TAKE_PICTURE_AND_VIDEO;
    }
}
std::string MediaTask::GetFileNameBySeriaNumber(const unsigned long &serialNumber, const std::string &sourceFile,
                                                const std::string &savePaht)
{
    std::string fileType = "";
    size_t dot_pos = sourceFile.find_last_of('.');
    if (dot_pos != std::string::npos) {
        std::string extension = sourceFile.substr(dot_pos);
        fileType = extension;
    }
    return CreateFileName(serialNumber, savePaht, fileType);
}
std::string MediaTask::CreateFileName(const unsigned long &serialNumber, const std::string &savePaht,
                                      const std::string &fileType)
{
    auto now = std::chrono::system_clock::now();
    time_t t_now = std::chrono::system_clock::to_time_t(now);
    struct tm tm_now = *std::localtime(&t_now);
    /**
     * @brief When the sequence number is 0, it indicates an invalid sequence number and is replaced by "???".
     *
     */
    const std::string serialNumberString = 0 == serialNumber ? "???" : std::to_string(serialNumber);
    int hour = tm_now.tm_hour;
    int minute = tm_now.tm_min;
    int second = tm_now.tm_sec;
    std::ostringstream pathStream;
    pathStream << savePaht << "xak47-" << serialNumberString << "-" << std::setw(2) << std::setfill('0') << hour
               << std::setw(2) << std::setfill('0') << minute << std::setw(2) << std::setfill('0') << second
               << fileType;
    return pathStream.str();
}