#ifndef A8_XOBJECT_H
#define A8_XOBJECT_H

namespace Json
{
    class Value;
}

namespace tinyxml2
{
    class XMLElement;
}

namespace a8
{

    const int XOT_SIMPLE = 0;
    const int XOT_ARRAY = 1;
    const int XOT_OBJECT = 2;

    class XObject
    {
    public:
        XObject();
        XObject(a8::XValue& val);
        XObject(const a8::XObject& v);
        ~XObject();

        unsigned char GetType();
        int Size();
        void Reset();
        void DeepCopy(a8::XObject& to);

        a8::XValue AsXValue();
        std::shared_ptr<a8::XObject> operator[] (int i);
        std::shared_ptr<a8::XObject> operator[] (const std::string& key);
        std::shared_ptr<a8::XObject> At(int i);
        std::shared_ptr<a8::XObject> At(const std::string& key);
        std::shared_ptr<a8::XObject> At(const char* key);
        a8::XValue Get(const std::string& key, a8::XValue defval="");
        bool HasKey(const std::string& key);
        bool HasKey(int i);
        const a8::XObject& operator=(const a8::XObject& obj);
        a8::XObject& Move(a8::XObject& a);

        bool ReadFromFile(const std::string& filename);
        bool ReadFromJsonFile(const std::string& filename);
        bool ReadFromJsonString(const std::string& jsondata);
        bool ReadFromXmlFile(const std::string& filename);
        bool ReadFromXmlString(const std::string& xmldata);
        void ReadFromUrlQueryString(const std::string& query_string);
        void ToJsonStr(std::string& data);
        std::string ToJsonStr();
        void ToUrlEncodeStr(std::string& data);
        void ToKVList(std::map<std::string, std::string>& kv_list);

    private:
        void JsonValueToXObject(Json::Value& json_val, a8::XObject& xobject);
        void XmlElementToXObject(tinyxml2::XMLElement* xml_ele, a8::XObject& xobject);

    protected:
        unsigned char type_ = a8::XOT_SIMPLE;
        union {
            a8::XValue* x_value;
            std::vector<std::shared_ptr<a8::XObject>>* array_value;
            std::map<std::string, std::shared_ptr<a8::XObject>>* object_value;
        } value_ = {0};

    };

}

#endif