// **********************************************************************
//
// Copyright (c) 2003-2017 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************

#include <Logger.h>
#include <Util.h>

using namespace std;
using namespace IcePHP;

ZEND_EXTERN_MODULE_GLOBALS(ice)

//
// Class entries represent the PHP class implementations we have registered.
//
namespace IcePHP
{
zend_class_entry* loggerClassEntry = 0;
}

//
// Logger support.
//
static zend_object_handlers _loggerHandlers;

extern "C"
{
static zend_object* handleAlloc(zend_class_entry*);
static void handleFreeStorage(zend_object*);
static zend_object* handleClone(zval*);
}

ZEND_METHOD(Ice_Logger, __construct)
{
    runtimeError("logger objects cannot be instantiated");
}

ZEND_METHOD(Ice_Logger, __toString)
{
    if(ZEND_NUM_ARGS() > 0)
    {
        WRONG_PARAM_COUNT;
    }

    RETURN_NULL();
}

ZEND_METHOD(Ice_Logger, print)
{
    char* m;
    size_t mLen;

    if(zend_parse_parameters(ZEND_NUM_ARGS(), const_cast<char*>("s"), &m, &mLen) == FAILURE)
    {
        RETURN_NULL();
    }

    Ice::LoggerPtr _this = Wrapper<Ice::LoggerPtr>::value(getThis());
    assert(_this);

    string msg(m, mLen);
    try
    {
        _this->print(msg);
    }
    catch(const IceUtil::Exception& ex)
    {
        throwException(ex);
        RETURN_NULL();
    }
}

ZEND_METHOD(Ice_Logger, trace)
{
    char* c;
    size_t cLen;
    char* m;
    size_t mLen;

    if(zend_parse_parameters(ZEND_NUM_ARGS(), const_cast<char*>("ss"), &c, &cLen, &m, &mLen) == FAILURE)
    {
        RETURN_NULL();
    }

    Ice::LoggerPtr _this = Wrapper<Ice::LoggerPtr>::value(getThis());
    assert(_this);

    string category(c, cLen);
    string msg(m, mLen);
    try
    {
        _this->trace(category, msg);
    }
    catch(const IceUtil::Exception& ex)
    {
        throwException(ex);
        RETURN_NULL();
    }
}

ZEND_METHOD(Ice_Logger, warning)
{
    char* m;
    size_t mLen;

    if(zend_parse_parameters(ZEND_NUM_ARGS(), const_cast<char*>("s"), &m, &mLen) == FAILURE)
    {
        RETURN_NULL();
    }

    Ice::LoggerPtr _this = Wrapper<Ice::LoggerPtr>::value(getThis());
    assert(_this);

    string msg(m, mLen);
    try
    {
        _this->warning(msg);
    }
    catch(const IceUtil::Exception& ex)
    {
        throwException(ex);
        RETURN_NULL();
    }
}

ZEND_METHOD(Ice_Logger, error)
{
    char* m;
    size_t mLen;

    if(zend_parse_parameters(ZEND_NUM_ARGS(), const_cast<char*>("s"), &m, &mLen) == FAILURE)
    {
        RETURN_NULL();
    }

    Ice::LoggerPtr _this = Wrapper<Ice::LoggerPtr>::value(getThis());
    assert(_this);

    string msg(m, mLen);
    try
    {
        _this->error(msg);
    }
    catch(const IceUtil::Exception& ex)
    {
        throwException(ex);
        RETURN_NULL();
    }
}

ZEND_METHOD(Ice_Logger, cloneWithPrefix)
{
    char* p;
    size_t pLen;

    if(zend_parse_parameters(ZEND_NUM_ARGS(), const_cast<char*>("s"), &p, &pLen) == FAILURE)
    {
        RETURN_NULL();
    }

    Ice::LoggerPtr _this = Wrapper<Ice::LoggerPtr>::value(getThis());
    assert(_this);

    Ice::LoggerPtr clone;

    string prefix(p, pLen);
    try
    {
        clone = _this->cloneWithPrefix(prefix);
    }
    catch(const IceUtil::Exception& ex)
    {
        throwException(ex);
        RETURN_NULL();
    }

    if(!createLogger(return_value, clone))
    {
        RETURN_NULL();
    }
}

#ifdef _WIN32
extern "C"
#endif
static zend_object*
handleAlloc(zend_class_entry* ce)
{
    Wrapper<Ice::LoggerPtr>* obj = Wrapper<Ice::LoggerPtr>::create(ce);
    assert(obj);

    obj->zobj.handlers = &_loggerHandlers;

    return &obj->zobj;
}

#ifdef _WIN32
extern "C"
#endif
static void
handleFreeStorage(zend_object* object)
{
    Wrapper<Ice::LoggerPtr>* obj = Wrapper<Ice::LoggerPtr>::fetch(object);
    delete obj->ptr;
    zend_object_std_dtor(object);
}

#ifdef _WIN32
extern "C"
#endif
static zend_object*
handleClone(zval* zv)
{
    php_error_docref(0, E_ERROR, "loggers cannot be cloned");
    return 0;
}

//
// Necessary to suppress warnings from zend_function_entry in php-5.2.
//
#if defined(__GNUC__)
#  pragma GCC diagnostic ignored "-Wwrite-strings"
#endif

//
// Predefined methods for Logger.
//
static zend_function_entry _interfaceMethods[] =
{
    {0, 0, 0}
};
static zend_function_entry _classMethods[] =
{
    ZEND_ME(Ice_Logger, __construct, ICE_NULLPTR, ZEND_ACC_PRIVATE|ZEND_ACC_CTOR)
    ZEND_ME(Ice_Logger, __toString, ICE_NULLPTR, ZEND_ACC_PUBLIC)
    ZEND_ME(Ice_Logger, print, ICE_NULLPTR, ZEND_ACC_PUBLIC)
    ZEND_ME(Ice_Logger, trace, ICE_NULLPTR, ZEND_ACC_PUBLIC)
    ZEND_ME(Ice_Logger, warning, ICE_NULLPTR, ZEND_ACC_PUBLIC)
    ZEND_ME(Ice_Logger, error, ICE_NULLPTR, ZEND_ACC_PUBLIC)
    ZEND_ME(Ice_Logger, cloneWithPrefix, ICE_NULLPTR, ZEND_ACC_PUBLIC)
    {0, 0, 0}
};
//
// enable warning again
//
#if defined(__GNUC__)
#  pragma GCC diagnostic error "-Wwrite-strings"
#endif

bool
IcePHP::loggerInit(void)
{
    //
    // We register an interface and a class that implements the interface. This allows
    // applications to safely include the Slice-generated code for the type.
    //

    //
    // Register the Logger interface.
    //
    zend_class_entry ce;
#ifdef ICEPHP_USE_NAMESPACES
    INIT_NS_CLASS_ENTRY(ce, "Ice", "Logger", _interfaceMethods);
#else
    INIT_CLASS_ENTRY(ce, "Ice_Logger", _interfaceMethods);
#endif
    zend_class_entry* interface = zend_register_internal_interface(&ce);

    //
    // Register the Logger class.
    //
    INIT_CLASS_ENTRY(ce, "IcePHP_Logger", _classMethods);
    ce.create_object = handleAlloc;
    loggerClassEntry = zend_register_internal_class(&ce);
    memcpy(&_loggerHandlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
    _loggerHandlers.clone_obj = handleClone;
    _loggerHandlers.free_obj = handleFreeStorage;
    _loggerHandlers.offset = XtOffsetOf(Wrapper<Ice::LoggerPtr>, zobj);
    zend_class_implements(loggerClassEntry, 1, interface);

    return true;
}

bool
IcePHP::createLogger(zval* zv, const Ice::LoggerPtr& p)
{
    if(object_init_ex(zv, loggerClassEntry) != SUCCESS)
    {
        runtimeError("unable to initialize logger object");
        return false;
    }

    Wrapper<Ice::LoggerPtr>* obj = Wrapper<Ice::LoggerPtr>::extract(zv);
    assert(!obj->ptr);
    obj->ptr = new Ice::LoggerPtr(p);

    return true;
}

bool
IcePHP::fetchLogger(zval* zv, Ice::LoggerPtr& p)
{
    if(!ZVAL_IS_NULL(zv))
    {
        if(Z_TYPE_P(zv) != IS_OBJECT || Z_OBJCE_P(zv) != loggerClassEntry)
        {
            invalidArgument("value is not a logger object");
            return false;
        }
        p = Wrapper<Ice::LoggerPtr>::value(zv);
        if(!p)
        {
            runtimeError("unable to retrieve logger object from object store");
            return false;
        }
    }
    return true;
}