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

#include "main.h"

#include "interface.h"
#include "image.h"
#include "font.h"

#include "widget.h"
#include "widget_button.h"

widget_t *newWidgetButton(char *text, int x, int y, void (*fce_event) (void *))
{
	widget_button_t *new;

	new = malloc(sizeof(widget_button_t));
	new->text = strdup(text);
	new->fce_event = fce_event;
	getTextSize(text, &(new->w), &(new->h));

	return newWidget(WIDGET_TYPE_BUTTON, x, y, WIDGET_BUTTON_WIDTH,
					 WIDGET_BUTTON_HEIGHT, new);
}

void drawWidgetButton(widget_t * widget)
{
	widget_button_t *p;
	static image_t *g_button0 = NULL;
	static image_t *g_button1 = NULL;
	int x, y;

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

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

	if (g_button0 == NULL) {
		g_button0 =
			addImageData("button0.png", IMAGE_ALPHA, "button0",
						 IMAGE_GROUP_BASE);
	}

	if (g_button1 == NULL) {
		g_button1 =
			addImageData("button1.png", IMAGE_ALPHA, "button1",
						 IMAGE_GROUP_BASE);
	}

	if (x >= widget->x && x <= widget->x + WIDGET_BUTTON_WIDTH &&
		y >= widget->y && y <= widget->y + WIDGET_BUTTON_HEIGHT) {
		drawImage(g_button1, widget->x, widget->y, 0, 0, g_button0->w,
				  g_button0->h);
	} else {
		drawImage(g_button0, widget->x, widget->y, 0, 0, g_button0->w,
				  g_button0->h);
	}

	//drawFont(p->text, p->x+WIDGET_BUTTON_WIDTH/2-p->w/2, p->y+p->h/2, COLOR_WHITE);
	drawFont(p->text,
			 widget->x + WIDGET_BUTTON_WIDTH / 2 - p->w / 2,
			 widget->y + WIDGET_BUTTON_HEIGHT / 2 - p->h / 2, COLOR_WHITE);
}

void eventWidgetButton(widget_t * widget)
{
	widget_button_t *p;
	static int time = 0;
	int x, y;

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

	p = (widget_button_t *) widget->private_data;

	if (time > 0) {
		time--;
		return;
	}

	getMousePosition(&x, &y);

	if (x >= widget->x && x <= widget->x + WIDGET_BUTTON_WIDTH &&
		y >= widget->y && y <= widget->y + WIDGET_BUTTON_HEIGHT &&
		isMouseClicked()) {
		time = WIDGET_BUTTON_TIME;
#ifdef DEBUG
		printf(_("Event caught\n"));
#endif
		p->fce_event(widget);
	}
}

void destroyWidgetButton(widget_t * widget)
{
	widget_button_t *p;

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

	p = (widget_button_t *) widget->private_data;

	free(p->text);
	free(p);

	destroyWidget(widget);
}