/*
 * This file is a part of Winix
 * and is distributed under the 2-Clause BSD licence.
 * Author: Tomasz Sowa <t.sowa@ttmath.org>
 */

/* 
 * Copyright (c) 2010-2021, Tomasz Sowa
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 THE COPYRIGHT HOLDER OR 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.
 * 
 */
 
#include "models/item.h"
#include "core/misc.h"
#include "finder.h"


namespace Winix
{




Item::Item()
{
	Clear();
}



void Item::map_fields()
{
	int type_helper = static_cast<int>(type);

	field(L"id",         id, false, false, true);
	field(L"parent_id",  parent_id);
	field(L"type",		 type_helper);
	field(L"url",		 url);
	field(L"subject",    subject);
	field(L"template",   html_template);
	field(L"sort_index", sort_index);
	field(L"content_id", item_content, true, true, true);

	// may we should add a method setTypeFromInt(int t)?
	type = static_cast<Type>(type_helper);
}


void Item::table_name(PT::TextStream & stream)
{
	stream << "core.item";
}


void Item::before_insert()
{
}


void Item::after_insert()
{
	get_last_sequence(L"core.item_id_seq", id);
}


bool Item::insert(morm::ModelData * model_data, bool update_whole_tree)
{
	bool url_prepared_correctly = prepare_url();
	bool insert_status = morm::Model::insert(model_data, update_whole_tree);

	if( insert_status )
	{
		if( !url_prepared_correctly )
		{
			PT::Toa(id, url);
			morm::Model::update(model_data, false);
		}
	}

	return insert_status;
}


bool Item::insert(morm::ModelData & model_data, bool update_whole_tree)
{
	return insert(&model_data, update_whole_tree);
}


bool Item::insert(bool update_whole_tree)
{
	return insert(nullptr, update_whole_tree);
}



/*
 *
 * this can be done better
 * instead of calculating if more than zero items are in a directory
 * just get the one item (should be one in normal circumstances)
 * and compare its 'id' with 'this.id' and if these ids are different
 * then prepare a new url
 *
 *
 */
bool Item::update(morm::ModelData * model_data, bool url_was_changed, bool update_whole_tree)
{
	bool url_prepared_correctly = true;

	if( url_was_changed )
	{
		url_prepared_correctly = prepare_url();
	}

	bool update_status = morm::Model::update(model_data, update_whole_tree);

	if( update_status )
	{
		if( !url_prepared_correctly )
		{
			PT::Toa(id, url);
			morm::Model::update(model_data, false);
		}
	}

	return update_status;
}


bool Item::update(morm::ModelData & model_data, bool url_was_changed, bool update_whole_tree)
{
	return update(&model_data, url_was_changed, update_whole_tree);
}


bool Item::update(bool url_was_changed, bool update_whole_tree)
{
	return update(nullptr, url_was_changed, update_whole_tree);
}



bool Item::save(morm::ModelData * model_data, bool url_was_changed, bool save_whole_tree)
{
	bool url_prepared_correctly = true;

	if( save_mode == DO_INSERT_ON_SAVE || (save_mode == DO_UPDATE_ON_SAVE && url_was_changed) )
	{
		url_prepared_correctly = prepare_url();
	}

	bool save_status = morm::Model::save(model_data, save_whole_tree);

	if( save_status )
	{
		if( !url_prepared_correctly )
		{
			PT::Toa(id, url);
			morm::Model::save(model_data, false);
		}
	}

	return save_status;
}

bool Item::save(morm::ModelData & model_data, bool url_was_changed, bool save_whole_tree)
{
	return save(&model_data, url_was_changed, save_whole_tree);
}


bool Item::save(bool url_was_changed, bool save_whole_tree)
{
	return save(nullptr, url_was_changed, save_whole_tree);
}




void Item::Clear()
{
	id = -1;
	parent_id = -1;
	type = none;
	url.clear();
	subject.clear();
	html_template.clear();
	sort_index = 0;
	item_content.Clear();
}


long Item::calc_items_by_url(long parent_id, const std::wstring & url)
{
	morm::Finder<CalcItemsHelper> finder(model_connector);

	CalcItemsHelper helper = finder.
		prepare_to_select().
		raw("select count(id) as size from core.item").
		where().
		eq(L"parent_id", parent_id).
		eq(L"url", url).
		get();

	return helper.size;
}


/*
 * may we should check for '.' and '..' here too?
 */
bool Item::prepare_url()
{
std::wstring temp_url;
bool is_that_url;
int index = 1;
const int max_index = 99;
std::wstring postfix;

	// only root dir may not have the url
	if( parent_id != -1 && url.empty() )
		url = L"_";

	do
	{
		if( index > 1 )
		{
			postfix = L"_(";
			PT::Toa(index, postfix, false);
			postfix += L")";
		}

		PrepareNewFileName(url, postfix, temp_url);

		long size = calc_items_by_url(parent_id, temp_url);

		if( size > 0 )
		{
			is_that_url = true;
		}
		else
		{
			url = temp_url;
			is_that_url = false;
		}

		index += 1;
	}
	while( is_that_url && index <= max_index );

return !is_that_url;
}


void Item::do_migration(morm::ModelConnector * model_connector)
{
	return;
	///////

	morm::Finder<Item> finder(model_connector);

	std::list<Item> list = finder.select().where().eq(L"type", static_cast<int>(Item::dir)).eq(L"content_id", -1).get_list();

//	for(Item & item : list)
//	{
//		item.item_content.set_save_mode(morm::Model::DO_INSERT_ON_SAVE);
//		item.save();
//	}

}



} // namespace Winix