/*
 * (C) Copyright 1996- ECMWF.
 *
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 * In applying this licence, ECMWF does not waive the privileges and immunities
 * granted to it by virtue of its status as an intergovernmental organisation nor
 * does it submit to any jurisdiction.
 */

#include <algorithm>
#include <cassert>
#include <exception>
#include <iostream>
#include <map>

#include "eckit/exception/Exceptions.h"

#include "TestFactory.h"


struct TestFactory::PImpl {

    typedef std::map<std::string, TestBuilder*> Store;
    Store register_;

    ~PImpl() {
        for (Store::iterator it = register_.begin(); it != register_.end(); ++it) {
            delete it->second;
        }
    }

    void regist(const std::string& name, TestBuilder* builder) {
        std::cout << "registering builder [" << name << "]" << std::endl;
        Store::iterator itr = register_.find(name);
        if (itr != register_.end()) {
            throw std::bad_alloc();
        }
        register_[name] = builder;
    }

    TestBuilder& get(const std::string& name) {
        std::cout << "get builder [" << name << "]" << std::endl;
        Store::iterator itr = register_.find(name);
        if (itr == register_.end()) {
            throw std::bad_alloc();
        }
        ASSERT(itr->second);
        return *(itr->second);
    }
};


//----------------------------------------------------------------------------------------------------------------------

TestFactory::TestFactory() :
    pimpl_(new TestFactory::PImpl()) {}

TestFactory& TestFactory::instance() {
    // autolock mutex

    static TestFactory factory;
    return factory;
}

void TestFactory::regist(const std::string& name, TestBuilder* builder) {
    pimpl_->regist(name, builder);
}

TestBuilder& TestFactory::get(const std::string& name) {
    return pimpl_->get(name);
}
