#include <stdlib.h>
#include <assert.h>

#include "main.h"
#include "interface.h"
#include "font.h"

#include "widget.h"
#include "widget_select.h"

widget_t* newWidgetSelect(int x, int y, void (*fce_event)(void *))
{
	widget_select_t *new;

	new = malloc( sizeof(widget_select_t) );
	new->select = -1;
	new->fce_event = fce_event;
	new->list = newList();

	return newWidget(WIDGET_TYPE_SELECT, x, y, 0, 0, new);
}

char* getWidgetSelectItem(widget_t *widget)
{
	widget_select_t *p;

	assert( widget != NULL );
	assert( widget->type == WIDGET_TYPE_SELECT );

	p = (widget_select_t *)widget->private_data;

	if( p->select == -1 )
	{
		return NULL;
	}

	return (char *)p->list->list[p->select];
}

int getWidgetSelectIndex(widget_t *widget)
{
	widget_select_t *p;

	assert( widget != NULL );
	assert( widget->type == WIDGET_TYPE_SELECT );

	p = (widget_select_t *)widget->private_data;

	return p->select;
}

void addToWidgetSelect(widget_t *widget, char *s)
{
	widget_select_t *p;

	assert( widget != NULL );
	assert( widget->type == WIDGET_TYPE_SELECT );

	p = (widget_select_t *)widget->private_data;

	addList(p->list, strdup(s) );
}

void removeAllFromWidgetSelect(widget_t *widget)
{
	widget_select_t *p;

	assert( widget != NULL );
	assert( widget->type == WIDGET_TYPE_SELECT );

	p = (widget_select_t *)widget->private_data;

	while( p->list->count > 0 )
	{
		delListItem(p->list, 0, free);
	}
}

void drawWidgetSelect(widget_t *widget)
{
	widget_select_t *p;
	int x, y, w, h;
	int i;

	assert( widget != NULL );
	assert( widget->type == WIDGET_TYPE_SELECT );

	getMousePosition(&x, &y);
	p = (widget_select_t *)widget->private_data;

	for( i = 0 ; i < p->list->count ; i++ )
	{
		char *line;

		line = (char *)p->list->list[i];

		getTextSize(line, &w, &h);

		if( x > widget->x && y > widget->y + i*20 && x < widget->x+w && y < widget->y + i*20 + h )
		{
			drawFont(line, widget->x, widget->y + i*20, COLOR_YELLOW);
		}
		else
		{
			if( p->select == i )
			{
				drawFont(line, widget->x, widget->y + i*20, COLOR_RED);
			}
			else
			{
				drawFont(line, widget->x, widget->y + i*20, COLOR_WHITE);
			}
		}
	}
}

void eventWidgetSelect(widget_t *widget)
{
	widget_select_t *p;
	int x, y, w, h;
	int i;

	assert( widget != NULL );
	assert( widget->type == WIDGET_TYPE_SELECT );

	p = (widget_select_t *)widget->private_data;
	getMousePosition(&x, &y);

	for( i = 0 ; i < p->list->count ; i++ )
	{
		char *line;

		line = (char *)p->list->list[i];

		getTextSize(line, &w, &h);

		if( x > widget->x && y > widget->y + i*20 &&
		    x < widget->x+w && y < widget->y + i*20 + h &&
		    isMouseClicked() )
		{
			p->select = i;
			p->fce_event(p);
		}
	}
}

void destroyWidgetSelect(widget_t *widget)
{
	widget_select_t *p;

	assert( widget != NULL );
	assert( widget->type == WIDGET_TYPE_SELECT );

	p = (widget_select_t *)widget->private_data;

	destroyListItem(p->list, free);
	free(p);
	destroyWidget(widget);
}