--[[
	TinyMoneyFrame functions
	3.9.0.1342 (Kangaroo)
   
	$Id: TinyMoneyFrame.lua 1326 2007-01-12 03:25:09Z norganna $
  
	License:
		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(see GPL.txt); if not, write to the Free Software
		Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

	Note:
		This AddOn's source code is specifically designed to work with
		World of Warcraft's interpreted AddOn system.
		You have an implicit licence to use this AddOn with these facilities
		since that is it's designated purpose as per:
		http://www.fsf.org/licensing/licenses/gpl-faq.html#InterpreterIncompat
]]

function TinyMoneyFrame_Update(frame, money)
	local frameName = frame:GetName();

	local goldButton = getglobal(frameName.."GoldButton");
	local silverButton = getglobal(frameName.."SilverButton");
	local copperButton = getglobal(frameName.."CopperButton");

	local info = frame.info;
	if ( not info ) then
		message("Error moneyType not set");
	end

	-- Breakdown the money into denominations
	local gold = floor(money / (COPPER_PER_SILVER * SILVER_PER_GOLD));
	local silver = floor((money - (gold * COPPER_PER_SILVER * SILVER_PER_GOLD)) / COPPER_PER_SILVER);
	local copper = mod(money, COPPER_PER_SILVER);

	local iconWidth = MONEY_ICON_WIDTH;
	local spacing = MONEY_BUTTON_SPACING;
	if ( frame.small ) then
		iconWidth = MONEY_ICON_WIDTH_SMALL;
		spacing = MONEY_BUTTON_SPACING_SMALL;
	end

	-- Set values for each denomination
	goldButton:SetText(gold);
	goldButton:SetWidth(goldButton:GetTextWidth() + iconWidth);
	goldButton:Show();
	
	if (gold > 0) then
		silverButton:SetText(("%."..math.log10(SILVER_PER_GOLD).."d"):format(silver));
	else
		silverButton:SetText(silver);
	end
	silverButton:SetWidth(silverButton:GetTextWidth() + iconWidth);
	silverButton:Show();
	
	if (gold > 0 or silver > 0) then
		copperButton:SetText(("%."..math.log10(COPPER_PER_SILVER).."d"):format(copper));
	else
		copperButton:SetText(copper);
	end
	copperButton:SetWidth(copperButton:GetTextWidth() + iconWidth);
	copperButton:Show();

	-- Store how much money the frame is displaying
	frame.staticMoney = money;

	-- If not collapsable don't need to continue
	if ( not info.collapse ) then
		return;
	end

	local width = iconWidth;
	local showLowerDenominations, truncateCopper;
	if ( gold > 0 ) then
		width = width + goldButton:GetWidth();
		if ( info.showSmallerCoins ) then
			showLowerDenominations = 1;
		end
		if ( info.truncateSmallCoins ) then
			truncateCopper = 1;
		end
	else
		goldButton:Hide();
	end

	if ( silver > 0 or showLowerDenominations ) then
		if ( gold > 0 ) then
			silverButton:SetWidth(25);
		end
		
		width = width + silverButton:GetWidth();
		goldButton:SetPoint("RIGHT", silverButton, "LEFT", spacing, 0);
		if ( goldButton:IsVisible() ) then
			width = width - spacing;
		end
		if ( info.showSmallerCoins ) then
			showLowerDenominations = 1;
		end
	else
		silverButton:Hide();
		goldButton:SetPoint("RIGHT", silverButton,	"RIGHT", 0, 0);
	end

	-- Used if we're not showing lower denominations
	if ( (copper > 0 or showLowerDenominations or info.showSmallerCoins == "Backpack") and not truncateCopper) then
		if ( gold > 0 or silver > 0 ) then
			copperButton:SetWidth(25);
		end
		
		width = width + copperButton:GetWidth();
		silverButton:SetPoint("RIGHT", copperButton, "LEFT", spacing, 0);
		if ( silverButton:IsVisible() ) then
			width = width - spacing;
		end
	else
		copperButton:Hide();
		silverButton:SetPoint("RIGHT", copperButton, "RIGHT", 0, 0);
	end

	frame:SetWidth(width);
end

function TinyMoneyFrame_UpdateMoney(self)
	if ( self.info ) then
		local money = self.info.UpdateFunc();
		TinyMoneyFrame_Update(self, money);
		if ( self.hasPickup == 1 ) then
			UpdateCoinPickupFrame(money);
		end
	else
		message("Error moneyType not set");
	end
end
