/*************************************************************************/
/*  resource_saver.cpp                                                   */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/
#include "resource_saver.h"
#include "global_config.h"
#include "os/file_access.h"
#include "script_language.h"
#include "resource_loader.h"

ResourceFormatSaver *ResourceSaver::saver[MAX_SAVERS];

int ResourceSaver::saver_count=0;
bool ResourceSaver::timestamp_on_save=false;
ResourceSavedCallback ResourceSaver::save_callback=0;

Error ResourceSaver::save(const String &p_path,const RES& p_resource,uint32_t p_flags) {

	String extension=p_path.get_extension();
	Error err=ERR_FILE_UNRECOGNIZED;

	for (int i=0;i<saver_count;i++) {

		if (!saver[i]->recognize(p_resource))
			continue;

		List<String> extensions;
		bool recognized=false;
		saver[i]->get_recognized_extensions(p_resource,&extensions);

		for (List<String>::Element *E=extensions.front();E;E=E->next()) {

			if (E->get().nocasecmp_to(extension.get_extension())==0)
				recognized=true;
		}

		if (!recognized)
			continue;

		String old_path=p_resource->get_path();


		String local_path=GlobalConfig::get_singleton()->localize_path(p_path);

		RES rwcopy = p_resource;
		if (p_flags&FLAG_CHANGE_PATH)
			rwcopy->set_path(local_path);

		err = saver[i]->save(p_path,p_resource,p_flags);

		if (err == OK ) {

#ifdef TOOLS_ENABLED

			((Resource*)p_resource.ptr())->set_edited(false);
			if (timestamp_on_save) {
				uint64_t mt = FileAccess::get_modified_time(p_path);

				((Resource*)p_resource.ptr())->set_last_modified_time(mt);
			}
#endif

			if (p_flags&FLAG_CHANGE_PATH)
				rwcopy->set_path(old_path);

			if (save_callback && p_path.begins_with("res://"))
				save_callback(p_path);

			return OK;
		} else {

		}
	}

	return err;
}


void ResourceSaver::set_save_callback(ResourceSavedCallback p_callback) {

	save_callback=p_callback;
}


void ResourceSaver::get_recognized_extensions(const RES& p_resource,List<String> *p_extensions) {


	for (int i=0;i<saver_count;i++) {

		saver[i]->get_recognized_extensions(p_resource,p_extensions);
	}

}

void ResourceSaver::add_resource_format_saver(ResourceFormatSaver *p_format_saver, bool p_at_front) {

	ERR_FAIL_COND( saver_count >= MAX_SAVERS );

	if (p_at_front) {
		for(int i=saver_count;i>0;i--) {
			saver[i]=saver[i-1];
		}
		saver[0]=p_format_saver;
		saver_count++;
	} else {
		saver[saver_count++]=p_format_saver;
	}

}