/*
 * Copyright (C) 2013-2018 The Android Open Source Project
 *
 * 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 PERKILL_H
#define PERKILL_H
#include <cutils/properties.h>
#include <log/log.h>
#include <android/log.h>
#include "tinyxml2.h"
#include <string>
#include <vector>

#define PREKILL_CONFIG_PATH "/vendor/etc/camera/prekill_size_config.xml"

// ============ 配置项结构 ============
struct ConfigItem
{
    std::string name;     // 配置名称
    std::string property; // 属性名
    int defaultValue;     // 默认值
};

// ============ 配置管理器 ============
class PrekillConfigManager
{
public:
    static PrekillConfigManager& getInstance();

    bool init();
    int getValue(const std::string& configName, int defaultValue = -1);

private:
    PrekillConfigManager()                            = default;
    ~PrekillConfigManager()                           = default;
    PrekillConfigManager(const PrekillConfigManager&) = delete;
    PrekillConfigManager& operator=(const PrekillConfigManager&) = delete;

    bool loadConfigDefs();
    void applyAllProperties();
    int getXmlValue(const std::string& configName, int defaultValue);
    tinyxml2::XMLElement* findElement(tinyxml2::XMLElement* root, const std::vector<std::string>& path);
    void setProperty(const char* key, int value);

    std::vector<ConfigItem> mConfigItems;
    std::shared_ptr<tinyxml2::XMLDocument> mXmlDoc;
    std::string mRamSize;
    std::string mProjectName;
    bool mInitialized = false;
};

// ============ 初始化函数 ============
bool prekillInitInternal();

// ============ 便捷查询函数 ============
int getConfigValue(const std::string& name, int defaultValue = -1);
int getCameraPrekillSizeByProject();
int getThirdPrekillSizeByProject();
int getAnonCompressThresholdByProject();
// ============ 辅助函数 ============
std::string getProperty(const char* key, const char* defaultValue);
std::string getRamSize();
std::string getProjectName();

#endif