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#include "JSONDebug.h"
#ifdef JSON_DEBUG

#ifdef JSON_STDERROR
    #include <iostream>  //need std::cerr
#else
    #include "JSONSingleton.h"
    //otherwise, use a callback to tell the end user what happened
    json_error_callback_t JSONDebug::register_callback(json_error_callback_t callback) json_nothrow {
        json_error_callback_t res = JSONSingleton<json_error_callback_t>::get();
        JSONSingleton<json_error_callback_t>::set(callback);
        return res;
    }
#endif

//Something went wrong or an assert failed
void JSONDebug::_JSON_FAIL(const json_string & msg) json_nothrow {
    #ifdef JSON_STDERROR  //no callback, just use stderror
       #ifndef JSON_UNICODE
          std::cerr << msg << std::endl;
       #else
          std::cerr << std::string(msg.begin(), msg.end()) << std::endl;
       #endif
    #else
       if (json_error_callback_t ErrorCallback = JSONSingleton<json_error_callback_t>::get()){  //only do anything if the callback is registered
          #ifdef JSON_LIBRARY
             ErrorCallback(msg.c_str());
          #else
             ErrorCallback(msg);
          #endif
       }
    #endif
}

//asserts that condition is true, more useful than cassert because it lets you keep going
void JSONDebug::_JSON_ASSERT(bool condition, const json_string & msg) json_nothrow {
    if (json_unlikely(!condition)){
       _JSON_FAIL(msg);
    }
}
#endif