/*
 * Copyright (c) 2024 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.
 */

#include "full_ime_info_manager.h"

#include <algorithm>

#include "common_timer_errors.h"
#include "ime_info_inquirer.h"
namespace OHOS {
namespace MiscServices {
constexpr uint32_t TIMER_TASK_INTERNAL = 3600000; // updated hourly
FullImeInfoManager::~FullImeInfoManager()
{
    timer_.Unregister(timerId_);
    timer_.Shutdown();
    fullImeInfos_.clear();
}

FullImeInfoManager::FullImeInfoManager()
{
    uint32_t ret = timer_.Setup();
    if (ret != Utils::TIMER_ERR_OK) {
        IMSA_HILOGE("failed to create timer");
        return;
    }
    timerId_ = timer_.Register([this]() { Init(); }, TIMER_TASK_INTERNAL, false);
}

FullImeInfoManager &FullImeInfoManager::GetInstance()
{
    static FullImeInfoManager instance;
    return instance;
}

int32_t FullImeInfoManager::Init()
{
    std::vector<std::pair<int32_t, std::vector<FullImeInfo>>> fullImeInfos;
    auto ret = ImeInfoInquirer::GetInstance().QueryFullImeInfo(fullImeInfos);
    if (ret != ErrorCode::NO_ERROR) {
        IMSA_HILOGW("failed to QueryFullImeInfo, ret:%{public}d", ret);
        return ret;
    }
    std::lock_guard<std::mutex> lock(lock_);
    fullImeInfos_.clear();
    for (const auto &infos : fullImeInfos) {
        fullImeInfos_.insert_or_assign(infos.first, infos.second);
    }
    return ErrorCode::NO_ERROR;
}

int32_t FullImeInfoManager::Add(int32_t userId)
{
    {
        std::lock_guard<std::mutex> lock(lock_);
        auto it = fullImeInfos_.find(userId);
        if (it != fullImeInfos_.end()) {
            return ErrorCode::NO_ERROR;
        }
    }
    std::vector<FullImeInfo> infos;
    auto ret = ImeInfoInquirer::GetInstance().QueryFullImeInfo(userId, infos);
    if (ret != ErrorCode::NO_ERROR) {
        IMSA_HILOGE("failed to QueryFullImeInfo, userId:%{public}d, ret:%{public}d", userId, ret);
        return ret;
    }
    std::lock_guard<std::mutex> lock(lock_);
    fullImeInfos_.insert_or_assign(userId, infos);
    return ErrorCode::NO_ERROR;
}

int32_t FullImeInfoManager::Update()
{
    auto ret = Init();
    if (ret != ErrorCode::NO_ERROR) {
        std::lock_guard<std::mutex> lock(lock_);
        fullImeInfos_.clear();
    }
    return ErrorCode::NO_ERROR;
}

int32_t FullImeInfoManager::Delete(int32_t userId)
{
    std::lock_guard<std::mutex> lock(lock_);
    fullImeInfos_.erase(userId);
    return ErrorCode::NO_ERROR;
}

int32_t FullImeInfoManager::Add(int32_t userId, const std::string &bundleName)
{
    FullImeInfo info;
    auto ret = ImeInfoInquirer::GetInstance().GetFullImeInfo(userId, bundleName, info);
    if (ret != ErrorCode::NO_ERROR) {
        IMSA_HILOGE("failed to GetFullImeInfo, userId:%{public}d, bundleName:%{public}s, ret:%{public}d", userId,
            bundleName.c_str(), ret);
        return ret;
    }
    std::lock_guard<std::mutex> lock(lock_);
    auto it = fullImeInfos_.find(userId);
    if (it == fullImeInfos_.end()) {
        fullImeInfos_.insert({ userId, { info } });
        return ErrorCode::NO_ERROR;
    }
    auto iter = std::find_if(it->second.begin(), it->second.end(),
        [&bundleName](const FullImeInfo &info) { return bundleName == info.prop.name; });
    if (iter != it->second.end()) {
        return ErrorCode::NO_ERROR;
    }
    it->second.push_back(info);
    return ErrorCode::NO_ERROR;
}

int32_t FullImeInfoManager::Delete(int32_t userId, const std::string &bundleName)
{
    std::lock_guard<std::mutex> lock(lock_);
    auto it = fullImeInfos_.find(userId);
    if (it == fullImeInfos_.end()) {
        return ErrorCode::NO_ERROR;
    }
    auto iter = std::find_if(it->second.begin(), it->second.end(),
        [&bundleName](const FullImeInfo &info) { return bundleName == info.prop.name; });
    if (iter == it->second.end()) {
        return ErrorCode::NO_ERROR;
    }
    it->second.erase(iter);
    if (it->second.empty()) {
        fullImeInfos_.erase(it->first);
    }
    return ErrorCode::NO_ERROR;
}

int32_t FullImeInfoManager::Update(int32_t userId, const std::string &bundleName)
{
    FullImeInfo info;
    auto ret = ImeInfoInquirer::GetInstance().GetFullImeInfo(userId, bundleName, info);
    if (ret != ErrorCode::NO_ERROR) {
        IMSA_HILOGE("failed to GetFullImeInfo failed, userId:%{public}d, bundleName:%{public}s, ret:%{public}d",
            userId, bundleName.c_str(), ret);
        return ErrorCode::ERROR_PACKAGE_MANAGER;
    }
    std::lock_guard<std::mutex> lock(lock_);
    auto it = fullImeInfos_.find(userId);
    if (it == fullImeInfos_.end()) {
        fullImeInfos_.insert({ userId, { info } });
        return ErrorCode::NO_ERROR;
    }
    auto iter = std::find_if(it->second.begin(), it->second.end(),
        [&bundleName](const FullImeInfo &info) { return bundleName == info.prop.name; });
    if (iter != it->second.end()) {
        it->second.erase(iter);
    }
    it->second.push_back(info);
    return ErrorCode::NO_ERROR;
}

std::vector<FullImeInfo> FullImeInfoManager::Get(int32_t userId)
{
    std::lock_guard<std::mutex> lock(lock_);
    auto it = fullImeInfos_.find(userId);
    if (it == fullImeInfos_.end()) {
        return {};
    }
    return it->second;
}

bool FullImeInfoManager::Get(const std::string &bundleName, int32_t userId, FullImeInfo &fullImeInfo)
{
    std::lock_guard<std::mutex> lock(lock_);
    auto it = fullImeInfos_.find(userId);
    if (it == fullImeInfos_.end()) {
        IMSA_HILOGD("user %{public}d info", userId);
        return false;
    }
    auto iter = std::find_if(it->second.begin(), it->second.end(),
        [&bundleName](const FullImeInfo &info) { return bundleName == info.prop.name; });
    if (iter == it->second.end()) {
        IMSA_HILOGD("ime: %{public}s not in cache", bundleName.c_str());
        return false;
    }
    fullImeInfo = *iter;
    return true;
}

bool FullImeInfoManager::Has(int32_t userId, const std::string &bundleName)
{
    std::lock_guard<std::mutex> lock(lock_);
    auto it = fullImeInfos_.find(userId);
    if (it == fullImeInfos_.end()) {
        return false;
    }
    auto iter = std::find_if(it->second.begin(), it->second.end(),
        [&bundleName](const FullImeInfo &info) { return bundleName == info.prop.name; });
    return iter != it->second.end();
}

std::string FullImeInfoManager::Get(int32_t userId, uint32_t tokenId)
{
    std::lock_guard<std::mutex> lock(lock_);
    auto it = fullImeInfos_.find(userId);
    if (it == fullImeInfos_.end()) {
        return "";
    }
    auto iter = std::find_if(
        it->second.begin(), it->second.end(), [&tokenId](const FullImeInfo &info) { return tokenId == info.tokenId; });
    if (iter == it->second.end()) {
        return "";
    }
    return (*iter).prop.name;
}
} // namespace MiscServices
} // namespace OHOS