/*
WhenWasIt (birthday reminder) plugin for Miranda IM

Copyright © 2006 Cristian Libotean

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#include "commonheaders.h"
#include "birthdays.h"

CBirthdays &birthdays = CBirthdays();

CBirthdays::CBirthdays(int initialSize)
{
	int count = 0;
	int size = 0;
	birthdays = NULL;
	advancedIcon = CLIST_ICON;
	
	Realloc(initialSize);
}

CBirthdays::~CBirthdays()
{
	Destroy();
}

void CBirthdays::Destroy()
{
	if (birthdays)
		{
			Clear();
			free(birthdays);
			birthdays = NULL;
		}
}

void CBirthdays::Clear()
{
	int i;
	for (i = 0; i < Count(); i++)
		{
			ClearItem(i);
		}
	count = 0;
}

void CBirthdays::ClearItem(int index)
{
	free(birthdays[index]);
	birthdays[index] = NULL;
}

int CBirthdays::Count() const
{
	return count;
}

int CBirthdays::Size() const
{
	return size;
}

void CBirthdays::EnsureCapacity()
{
	if (count >= size)
		{
			Realloc(size / 2);
		}
}

void CBirthdays::Realloc(int increaseCapacity)
{
	size += increaseCapacity;
	birthdays = (PBirthdayContact *) realloc(birthdays, size * sizeof(PBirthdayContact));
}

int CBirthdays::Add(HANDLE hContact, HANDLE hClistIcon)
{
	if (!Contains(hContact))
		{
			EnsureCapacity();
			TBirthdayContact *item = (TBirthdayContact *) malloc(sizeof(TBirthdayContact));
			item->hContact = hContact;
			item->hClistIcon = hClistIcon;
			birthdays[count++] = item;
			return 0;
		}
	return -1;
}

int CBirthdays::Remove(int index)
{
	if ((index >= 0) && (index < count))
		{
			int i;
			for (i = index + 1; i < count; i++)
				{
					birthdays[i - 1] = birthdays[i];
				}
			ClearItem(count--);
			return 0;
		}
	return -1;
}

int CBirthdays::Remove(HANDLE hContact)
{
	int index = Index(hContact);
	return Remove(index);
}

int CBirthdays::Contains(HANDLE hContact) const
{
	int i;
	for (i = 0; i < count; i++)
		{
			if (birthdays[i]->hContact == hContact)
				{
					return TRUE;
				}
		}
	return FALSE;
}

int CBirthdays::Index(HANDLE hContact) const
{
	int i;
	for (i = 0; i < count; i++)
		{
			if (birthdays[i]->hContact == hContact)
				{
					return i;
				}
		}
	return -1;
}

void CBirthdays::SetAdvancedIconIndex(int advIcon)
{
	advancedIcon = advIcon;
}

int CBirthdays::GetAdvancedIconIndex() const
{
	return advancedIcon;
}

HANDLE CBirthdays::GetClistIcon(HANDLE hContact) const
{
	int index = Index(hContact);
	if ((index >= 0) && (index < count))
		{
			return birthdays[index]->hClistIcon;
		}
	return (HANDLE) -1;
}