/*

* Copyright (c), Zeriph Enterprises
* All rights reserved.
*
* Contributor(s):
* Zechariah Perez, omni (at) zeriph (dot) com
*
* THIS SOFTWARE IS PROVIDED BY ZERIPH AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL ZERIPH AND CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#if !defined(OMNI_OBJECT_HPP)
#define OMNI_OBJECT_HPP 1
#include <omni/defs/class_macros.hpp>
#include <omni/type.hpp>
#include <omni/ostream.hpp>
#include <omni/string/util.hpp>
#include <omni/generic_ptr.hpp>
#include <omni/delegate/0.hpp>

namespace omni {
    class object
    {
        public:
            object() :
                disposing(),
                name(),
                tag()
            {
                OMNI_D5_FW("created omni::object with no name");
            }
            
            object(const omni::object& cp) :
                disposing(cp.disposing),
                name(cp.name),
                tag(cp.tag)
            {
                OMNI_DV5_FW("copied omni::object with name ", this->name);
            }
            
            explicit object(const omni::string_t& nm) :
                disposing(),
                name(nm),
                tag()
            {
                OMNI_DV5_FW("created omni::object with name ", this->name);
            }
            
            explicit object(const char* nm) :
                disposing(),
                name(),
                tag()
            {
                this->name = omni::string::to_string_t(std::string(nm));
                OMNI_DV5_FW("created omni::object with name ", this->name);
            }
            
            OMNI_EXPLICIT object(const omni::callback& ev) :
                disposing(ev),
                name(),
                tag()
            {
                OMNI_DV5_FW("created omni::object with name ", this->name);
            }
            
            object(const char* nm, const omni::callback& ev) :
                disposing(ev),
                name(),
                tag()
            {
                this->name = omni::string::to_string_t(std::string(nm));
                OMNI_DV5_FW("created omni::object with name ", this->name);
            }
            
            object(const omni::string_t& nm, const omni::callback& ev) :
                disposing(ev),
                name(nm),
                tag()
            {
                OMNI_DV5_FW("created omni::object with name ", this->name);
            }
            
            virtual ~object()
            {
                OMNI_TRY_FW
                // Call the disposing event to allow any subscribers to clean up
                if (this->disposing) { this->disposing(); }
                OMNI_CATCH_FW
                OMNI_D5_FW("destroyed");
            }

            omni::action disposing;
            
            omni::string_t name;

            omni::generic_ptr tag;

            virtual omni::string_t to_string_t() const { return this->name; }

            uint64_t type() const { return omni::type_id<omni::object>(); }

            uint64_t hash() const { return reinterpret_cast<uint64_t>(this); }
            
            omni::object& operator=(const omni::object& o)
            {
                if (this != &o) {
                    this->disposing = o.disposing;
                    this->name = o.name;
                    this->tag = o.tag;
                }
                return *this;
            }
            
            bool operator==(const omni::object& o) const
            {
                return (
                    this == &o ||
                    (this->disposing == o.disposing &&
                    this->name == o.name &&
                    this->tag == o.tag)
                );
            }
            
            bool operator!=(const omni::object& o) const
            {
                return !(*this == o);
            }

            friend std::ostream& operator<<(std::ostream& s, const omni::object& c)
            {
                s << c.name.c_str();
                return s;
            }

            friend std::wostream& operator<<(std::wostream& s, const omni::object& c)
            {
                s << c.name.c_str();
                return s;
            }
            
        protected:
            object(std::string nm) :
                disposing(),
                name(),
                tag()
            {
                this->name = omni::string::to_string_t(nm);
                // this ctor is only valid for derived types
                OMNI_DV5_FW("created omni::object with name ", this->name);
            }
    };
} // namespace omni

#endif // OMNI_OBJECT_HPP