/**
 * Renders icons at 32px size or 64px size
 * Also display the stack size
 */
void ItemManager::renderIcon(ItemStack stack, int x, int y, int size) {
	int columns;

	dest.x = x;
	dest.y = y;
	src.w = src.h = dest.w = dest.h = size;
	if (size == ICON_SIZE_32) {
		columns = icons32->w / 32;
		src.x = (items[stack.item].icon32 % columns) * size;
		src.y = (items[stack.item].icon32 / columns) * size;
		SDL_BlitSurface(icons32, &src, screen, &dest);
	}
	else if (size == ICON_SIZE_64) {
		columns = icons64->w / 64;
		src.x = (items[stack.item].icon64 % columns) * size;
		src.y = (items[stack.item].icon64 / columns) * size;
		SDL_BlitSurface(icons64, &src, screen, &dest);
	}

	if( stack.quantity > 1 || items[stack.item].max_quantity > 1) {
		// stackable item : show the quantity
		stringstream ss;
		ss << stack.quantity;

		WidgetLabel label;
		label.set(dest.x + 2, dest.y + 2, JUSTIFY_LEFT, VALIGN_TOP, ss.str(), FONT_WHITE);
		label.render();
	}
}

void MenuVendor::render() {
	if (!visible) return;
	SDL_Rect src;
	SDL_Rect dest;

	// background
	src.x = 0;
	src.y = 0;
	dest.x = window_area.x;
	dest.y = window_area.y;
	src.w = dest.w = window_area.w;
	src.h = dest.h = window_area.h;
	SDL_BlitSurface(background, &src, screen, &dest);

	// close button
	closeButton->render();

	// text overlay
	if (!title.hidden) {
		WidgetLabel label;
		label.set(window_area.x+title.x, window_area.y+title.y, title.justify, title.valign, msg->get("Vendor") + " - " + npc->name, color_normal, title.font_style);
		label.render();
	}

	// render tabs
	tabControl->render();

	// show stock
	stock[activetab].render();
}

void MenuStash::render() {
	if (!visible) return;
	SDL_Rect src;
	SDL_Rect dest;

	// background
	src.x = 0;
	src.y = 0;
	dest.x = window_area.x;
	dest.y = window_area.y;
	src.w = dest.w = window_area.w;
	src.h = dest.h = window_area.h;
	SDL_BlitSurface(background, &src, screen, &dest);

	// close button
	closeButton->render();

	// text overlay
	WidgetLabel label;
	if (!title.hidden) {
		label.set(window_area.x+title.x, window_area.y+title.y, title.justify, title.valign, msg->get("Shared Stash"), color_normal, title.font_style);
		label.render();
	}
	if (!currency.hidden) {
		label.set(window_area.x+currency.x, window_area.y+currency.y, currency.justify, currency.valign, msg->get("%d %s", stock.count(CURRENCY_ID), CURRENCY), color_normal, currency.font_style);
		label.render();
	}


	// show stock
	stock.render();
}

void MenuStash::render() {
	if (!visible) return;
	SDL_Rect src;
	SDL_Rect dest;

	// background
	src.x = 0;
	src.y = 0;
	dest.x = window_area.x;
	dest.y = window_area.y;
	src.w = dest.w = window_area.w;
	src.h = dest.h = window_area.h;
	SDL_BlitSurface(background, &src, screen, &dest);

	// close button
	closeButton->render();

	// text overlay
	if (!title.hidden) {
		WidgetLabel label;
		label.set(window_area.x+title.x, window_area.y+title.y, title.justify, title.valign, msg->get("Shared Stash"), color_normal);
		label.render();
	}

	// show stock
	stock.render();
}

void MenuVendor::render() {
	if (!visible) return;
	SDL_Rect src;
	SDL_Rect dest;

	int offset_y = (VIEW_H - 416)/2;

	// background
	src.x = 0;
	src.y = 0;
	dest.x = 0;
	dest.y = offset_y;
	src.w = dest.w = 320;
	src.h = dest.h = 416;
	SDL_BlitSurface(background, &src, screen, &dest);

	// close button
	closeButton->render();

	// text overlay
	WidgetLabel label;
	label.set(160, offset_y+8, JUSTIFY_CENTER, VALIGN_TOP, msg->get("Vendor"), FONT_WHITE);
	label.render();
	label.set(160, offset_y+24, JUSTIFY_CENTER, VALIGN_TOP, npc->name, FONT_WHITE);
	label.render();

	// show stock
	stock.render();
}

/**
 * Renders icons at small size or large size
 * Also display the stack size
 */
void ItemManager::renderIcon(ItemStack stack, int x, int y, int size) {
	if (!icons) return;

	SDL_Rect src, dest;
	dest.x = x;
	dest.y = y;
	src.w = src.h = dest.w = dest.h = size;

	if (stack.item > 0) {
		int columns = icons->w / ICON_SIZE;
		src.x = (items[stack.item].icon % columns) * size;
		src.y = (items[stack.item].icon / columns) * size;
		SDL_BlitSurface(icons, &src, screen, &dest);
	}

	if (stack.quantity > 1 || items[stack.item].max_quantity > 1) {
		// stackable item : show the quantity
		stringstream ss;
		ss << stack.quantity;

		WidgetLabel label;
		label.set(dest.x + 2, dest.y + 2, JUSTIFY_LEFT, VALIGN_TOP, ss.str(), color_normal);
		label.render();
	}
}

WidgetLabel *GUI::createCaption(const Aurora::GFF3Struct &strct, Widget *parent) {
	if (!strct.hasField("Obj_Caption"))
		return 0;

	const Aurora::GFF3Struct &caption = strct.getStruct("Obj_Caption");

	Common::UString font = caption.getString("AurString_Font");

	Common::UString text;
	uint32 strRef = caption.getUint("Obj_StrRef", Aurora::kStrRefInvalid);
	if (strRef != Aurora::kStrRefInvalid)
		text = TalkMan.getString(strRef);

	WidgetLabel *label = new WidgetLabel(*this, parent->getTag() + "#Caption", font, text);

	float pX, pY, pZ;
	parent->getPosition(pX, pY, pZ);
	label->setPosition(pX, pY, pZ - 5.0f);

	float r = caption.getDouble("AurString_ColorR", 1.0);
	float g = caption.getDouble("AurString_ColorG", 1.0);
	float b = caption.getDouble("AurString_ColorB", 1.0);
	float a = caption.getDouble("AurString_ColorA", 1.0);

	label->setColor(r, g, b, a);

	initWidget(*label);

	parent->addChild(*label);
	addWidget(label);

	return label;
}

void WidgetSlot::render() {
	SDL_Rect src;

	if (icon_id != -1 && !icons.graphicsIsNull()) {
		int columns = icons.getGraphicsWidth() / ICON_SIZE;
		src.x = (icon_id % columns) * ICON_SIZE;
		src.y = (icon_id / columns) * ICON_SIZE;

		src.w = pos.w;
		src.h = pos.h;

		icons.local_frame = local_frame;
		icons.setOffset(local_offset);
		icons.setClip(src);
		icons.setDest(pos);
		render_device->render(icons);

		if (amount > 1 || max_amount > 1) {
			stringstream ss;
			ss << amount_str;

			WidgetLabel label;
			label.set(pos.x + 2, pos.y + 2, JUSTIFY_LEFT, VALIGN_TOP, ss.str(), font->getColor("item_normal"));
			label.local_frame = local_frame;
			label.local_offset = local_offset;
			label.render();
		}
	}
	renderSelection();
}

 const char * get_cell_text(uint16_t row_index, uint16_t column_index) {
     const char * result = "";
     if (this->toDelete[column_index][row_index]) {
         WidgetLabel * label = static_cast<WidgetLabel*>(this->widgets[column_index][row_index]);
         result = label->get_text();
     }
     return result;
 }

/**
 * Display the XP bar background and current progress.
 * On mouseover, display progress in text form.
 */
void MenuExperience::render(StatBlock *stats, Point mouse) {

	SDL_Rect src;
	SDL_Rect dest;
	int xp_bar_length;

	// don't display anything if max level
	if (stats->level < 1 || stats->level == MAX_CHARACTER_LEVEL) return;
	
	// lay down the background image first
	src.x = 0;
	src.y = 0;
	src.w = background_size.x;
	src.h = background_size.y;
	dest.x = hud_position.x + background_offset.x;
	dest.y = hud_position.y + background_offset.y;
	SDL_BlitSurface(background, &src, screen, &dest);
	
	// calculate the length of the xp bar
	// when at a new level, 0% progress
	src.x = 0;
	src.y = 0;
	int required = stats->xp_table[stats->level] - stats->xp_table[stats->level-1];
	int current = stats->xp - stats->xp_table[stats->level-1];
	xp_bar_length = (current * bar_size.x) / required;
	src.w = xp_bar_length;
	src.h = bar_size.y;
	dest.x = hud_position.x + bar_offset.x;
	dest.y = hud_position.y + bar_offset.y;
		
	// draw xp bar
	SDL_BlitSurface(bar, &src, screen, &dest);


	string text_label;
	
	// if mouseover, draw text
	if (isWithin(hud_position, mouse)) {

		if (stats->level < MAX_CHARACTER_LEVEL) {
			text_label = msg->get("XP: %d/%d", stats->xp, stats->xp_table[stats->level]);
		}
		else {
			text_label = msg->get("XP: %d", stats->xp);
		}

		WidgetLabel label;
		label.set(hud_position.x + text_offset.x, hud_position.y + text_offset.y, text_justify, VALIGN_TOP, text_label, FONT_WHITE);
		label.render();
	}
}

void MenuEnemy::render() {
	if (enemy == NULL) return;
	
	SDL_Rect src;
	SDL_Rect dest;
	int hp_bar_length;
	
	// draw trim/background
	dest.x = VIEW_W_HALF-53;
	dest.y = 0;
	dest.w = 106;
	dest.h = 33;
	
	SDL_BlitSurface(background, NULL, screen, &dest);
	
	if (enemy->stats.maxhp == 0)
		hp_bar_length = 0;
	else
		hp_bar_length = (enemy->stats.hp * 100) / enemy->stats.maxhp;

	// draw hp bar
	
	dest.x = VIEW_W_HALF-50;
	dest.y = 18;

	src.x = 0;
	src.y = 0;
	src.h = 12;
	src.w = hp_bar_length;	
	
	SDL_BlitSurface(bar_hp, &src, screen, &dest);
	
	stringstream ss;
	ss.str("");
	if (enemy->stats.hp > 0)
		ss << enemy->stats.hp << "/" << enemy->stats.maxhp;
	else
		ss << msg->get("Dead");

	WidgetLabel label;

	label.set(VIEW_W_HALF, 9, JUSTIFY_CENTER, VALIGN_CENTER, msg->get("%s level %d", enemy->stats.level, enemy->stats.name), FONT_WHITE);
	label.render();

	label.set(VIEW_W_HALF, 24, JUSTIFY_CENTER, VALIGN_CENTER, ss.str(), FONT_WHITE);
	label.render();

	
	//SDL_UpdateRects(screen, 1, &dest);
}

/**
 * Render graphics for this frame when the menu is open
 */
void MenuLog::render() {

	if (!visible) return;
	
	SDL_Rect src;
	
	// background
	src.x = 0;
	src.y = 0;
	src.w = menu_area.w;
	src.h = menu_area.h;
	SDL_BlitSurface(background, &src, screen, &menu_area);
	
	// close button
	closeButton->render();
	
	// text overlay
	WidgetLabel label;
	label.set(menu_area.x+160, menu_area.y+8, JUSTIFY_CENTER, VALIGN_TOP, msg->get("Log"), FONT_WHITE);
	label.render();

	// display tabs
	for (int i=0; i<LOG_TYPE_COUNT; i++) {
		renderTab(i);
	}
	
	// display latest log messages
	
	Point size;
	int display_number = 0;
	int total_size = 0;

	// first calculate how many entire messages can fit in the log view
	for (int i=log_count[active_log]-1; i>=0; i--) {
		size = font->calc_size(log_msg[active_log][i], list_area.w);
		total_size += size.y + paragraph_spacing;
		if (total_size < list_area.h) display_number++;
		else break;
	}
	
	// now display these messages
	int cursor_y = list_area.y;
	for (int i=log_count[active_log]-display_number; i<log_count[active_log]; i++) {
		
		size = font->calc_size(log_msg[active_log][i], list_area.w);	
		font->renderShadowed(log_msg[active_log][i], list_area.x, cursor_y, JUSTIFY_LEFT, screen, list_area.w, FONT_WHITE);
		cursor_y += size.y + paragraph_spacing;
	}
}

/**
 * For powers that have consumables, display the number of consumables remaining
 */
void MenuActionBar::renderItemCounts() {

	stringstream ss;

	for (int i=0; i<12; i++) {
		if (slot_item_count[i] > -1) {
			ss.str("");
			ss << slot_item_count[i];

			WidgetLabel label;
			label.set(slots[i].x, slots[i].y, JUSTIFY_LEFT, VALIGN_TOP, ss.str(), font->getColor("menu_normal"));
			label.render();
		}
	}
}

/**
 * Render graphics for this frame when the menu is open
 */
void MenuLog::render() {

	if (!visible) return;

	Rect src,dest;

	// Background.
	dest = window_area;
	src.x = 0;
	src.y = 0;
	src.w = window_area.w;
	src.h = window_area.h;
	background.setClip(src);
	background.setDest(dest);
	render_device->render(background);

	// Close button.
	closeButton->render();

	// Text overlay.
	if (!title.hidden) {
		WidgetLabel label;
		label.set(window_area.x+title.x, window_area.y+title.y, title.justify, title.valign, msg->get("Log"), color_normal, title.font_style);
		label.render();
	}

	// Tab control.
	tabControl->render();

	// Display latest log messages for the active tab.

	int total_size = tab_content_indent;
	int active_log = tabControl->getActiveTab();

	if (msg_buffer[active_log]->update) {
		msg_buffer[active_log]->refresh();
		font->setFont("font_regular");
		for (unsigned int i = log_msg[active_log].size(); i > 0; i--) {
			int widthLimit = tabControl->getContentArea().w;
			Point size = font->calc_size(log_msg[active_log][i-1], widthLimit);
			font->renderShadowed(log_msg[active_log][i-1], tab_content_indent, total_size, JUSTIFY_LEFT, msg_buffer[active_log]->contents.getGraphics(), widthLimit, color_normal);
			total_size+=size.y+paragraph_spacing;
		}
	}
	msg_buffer[active_log]->update = false;

	msg_buffer[active_log]->render();
}

// Renders the "needs attention" icon over the appropriate log menu
void MenuActionBar::renderAttention(int menu_id) {
    SDL_Rect dest;

    // x-value is 12 hotkeys and 4 empty slots over
    dest.x = window_area.x + (menu_id * ICON_SIZE) + ICON_SIZE*15;
    dest.y = window_area.y+3;
    dest.w = dest.h = ICON_SIZE;
    attention.setDest(dest);
    render_device->render(attention);

    // put an asterisk on this icon if in colorblind mode
    if (COLORBLIND) {
        WidgetLabel label;
        label.set(dest.x + 2, dest.y + 2, JUSTIFY_LEFT, VALIGN_TOP, "*", font->getColor("menu_normal"));
        label.render();
    }
}

void MenuExit::render() {
	SDL_Rect src;

	// background
	src.x = 0;
	src.y = 0;
	src.w = window_area.w;
	src.h = window_area.h;
	SDL_BlitSurface(background, &src, screen, &window_area);

	WidgetLabel label;
	label.set(window_area.x + window_area.w/2, window_area.y + 10, JUSTIFY_CENTER, VALIGN_TOP, msg->get("Save and exit to title?"), FONT_WHITE);
	label.render();

	buttonExit->render();
	buttonClose->render();
}

/**
 * Render graphics for this frame when the menu is open
 */
void MenuLog::render() {

	if (!visible) return;
	
	SDL_Rect src;
	
	// Background.
	src.x = 0;
	src.y = 0;
	src.w = menu_area.w;
	src.h = menu_area.h;
	SDL_BlitSurface(background, &src, screen, &menu_area);
	
	// Close button.
	closeButton->render();
	
	// Text overlay.
	WidgetLabel label;
	label.set(menu_area.x+160, menu_area.y+8, JUSTIFY_CENTER, VALIGN_TOP, msg->get("Log"), FONT_WHITE);
	label.render();

	// Tab control.
  tabControl->render();
  
	// Display latest log messages for the active tab.
	
	int display_number = 0;
	int total_size = 0;
  int active_log = tabControl->getActiveTab();
  SDL_Rect contentArea = tabControl->getContentArea();

	// first calculate how many entire messages can fit in the log view
	for (int i=log_count[active_log]-1; i>=0; i--) {
		total_size += msg_buffer[active_log][i]->h + paragraph_spacing;
		if (total_size < contentArea.h) display_number++;
		else break;
	}
	
	// Now display these messages.
	for (int i=log_count[active_log]-display_number; i<log_count[active_log]; i++) {
		SDL_BlitSurface(msg_buffer[active_log][i], NULL, screen, &contentArea);
		contentArea.y += msg_buffer[active_log][i]->h + paragraph_spacing;
	}
}

/**
 * Render graphics for this frame when the menu is open
 */
void MenuLog::render() {

	if (!visible) return;

	SDL_Rect src,dest;

	// Background.
	dest = window_area;
	src.x = 0;
	src.y = 0;
	src.w = window_area.w;
	src.h = window_area.h;
	SDL_BlitSurface(background, &src, screen, &window_area);

	// Close button.
	closeButton->render();

	// Text overlay.
	if (!title.hidden) {
		WidgetLabel label;
		label.set(window_area.x+title.x, window_area.y+title.y, title.justify, title.valign, msg->get("Log"), color_normal);
		label.render();
	}

	// Tab control.
	tabControl->render();

	// Display latest log messages for the active tab.

	int total_size = tab_content_indent;
	int active_log = tabControl->getActiveTab();

	if (msg_buffer[active_log]->update) {
		for (unsigned int i=log_msg[active_log].size(); i>0; i--) {
			int widthLimit = tabControl->getContentArea().w;
			Point size = font->calc_size(log_msg[active_log][i-1], widthLimit);
			font->renderShadowed(log_msg[active_log][i-1], tab_content_indent, total_size, JUSTIFY_LEFT, msg_buffer[active_log]->contents, widthLimit, color_normal);
			total_size+=size.y+paragraph_spacing;
		}
	}

	msg_buffer[active_log]->render();
}

void MenuEnemy::render() {
	if (enemy == NULL) return;
	if (enemy->stats.corpse && enemy->stats.corpse_ticks == 0) return;

	SDL_Rect src;
	SDL_Rect dest;
	int hp_bar_length;

	// draw trim/background
	dest.x = window_area.x+bar_pos.x;
	dest.y = window_area.y+bar_pos.y;
	dest.w = bar_pos.w;
	dest.h = bar_pos.h;

	background.setDest(dest);
	render_device->render(background);

	if (enemy->stats.get(STAT_HP_MAX) == 0)
		hp_bar_length = 0;
	else
		hp_bar_length = (enemy->stats.hp * 100) / enemy->stats.get(STAT_HP_MAX);

	// draw hp bar

	src.x = 0;
	src.y = 0;
	src.h = bar_pos.h;
	src.w = hp_bar_length;

	bar_hp.setClip(src);
	bar_hp.setDest(dest);
	render_device->render(bar_hp);

	stringstream ss;
	ss.str("");
	if (enemy->stats.hp > 0)
		ss << enemy->stats.hp << "/" << enemy->stats.get(STAT_HP_MAX);
	else
		ss << msg->get("Dead");

	if (!text_pos.hidden) {
		WidgetLabel label;

		if (custom_text_pos) {
			label.set(window_area.x+text_pos.x, window_area.y+text_pos.y, text_pos.justify, text_pos.valign, msg->get("%s level %d", enemy->stats.level, enemy->stats.name), color_normal, text_pos.font_style);
		}
		else {
			label.set(window_area.x+bar_pos.x+bar_pos.w/2, window_area.y+bar_pos.y, JUSTIFY_CENTER, VALIGN_BOTTOM, msg->get("%s level %d", enemy->stats.level, enemy->stats.name), color_normal);
		}
		label.render();

		label.set(window_area.x+bar_pos.x+bar_pos.w/2, window_area.y+bar_pos.y+bar_pos.h/2, JUSTIFY_CENTER, VALIGN_CENTER, ss.str(), color_normal);
		label.render();
	}


	//SDL_UpdateRects(screen, 1, &dest);
}

/**
 * Renders the given tab on the widget header.
 */
void WidgetTabControl::renderTab(int number, SDL_Surface *target)
{
	int i = number;
	SDL_Rect src;
	SDL_Rect dest;

	// Draw tab’s background.
	src.x = src.y = 0;
	dest.x = tabs[i].x;
	dest.y = tabs[i].y;
	src.w = tabs[i].w;
	src.h = tabs[i].h;

	if (i == activeTab)
		SDL_BlitSurface(activeTabSurface, &src, target, &dest);
	else
		SDL_BlitSurface(inactiveTabSurface, &src, target, &dest);

	// Draw tab’s right edge.
	src.x = activeTabSurface->w - tabPadding.x;
	src.w = tabPadding.x;
	dest.x = tabs[i].x + tabs[i].w - tabPadding.x;

	if (i == activeTab)
		SDL_BlitSurface(activeTabSurface, &src, target, &dest);
	else
		SDL_BlitSurface(inactiveTabSurface, &src, target, &dest);

	// Set tab’s label font color.
	SDL_Color fontColor;
	if (i == activeTab) fontColor = color_normal;
	else fontColor = color_disabled;

	// Draw tab’s label.
	WidgetLabel label;
	label.set(tabs[i].x + tabPadding.x, tabs[i].y + tabs[i].h/2, JUSTIFY_LEFT, VALIGN_CENTER, titles[i], fontColor);
	label.render(target);
}