Editing Module:Abilities/utils

local p = {}
local commonutils = require "Module:Utilities"
local lang = require"Module:Lang"

local data = mw.loadJsonData("Data:AbilityCards.json")

-- returns the table of a specific item'
function p.get_ability_card_data(hero_key, ability_num)
	if(hero_key == nil) then return nil end
	return data[hero_key][tonumber(ability_num)]
end

function p.get_hero_key(hero_name)
	for i, hero in pairs(data) do
		if hero["Name"] == hero_name then
			return i
		end
	end
	return nil
end

-- Add prefix and postfix labels to a value. Eg. "32" -> "32s"
function p.format_value_with_prepost(key, value, frame, exclude_plus)
	if (value == nil) then return nil end
		
	local prefix = lang.get_string(string.format("%s_prefix",key))
	local postfix = lang.get_string(string.format("%s_postfix",key))
	
	-- Default pre/post fix to empty string, as they may not exist
	if (prefix == nil) then prefix = '' end
	if (postfix == nil) then postfix = '' end
	
	-- If string ends with 'm', then set the postfix to 'm' and remove it
	if commonutils.string_endswith(tostring(value), 'm') then
		value = tonumber(value:sub(1, -2))	
		postfix = 'm'
	end
	
	if (prefix == '{s:sign}') then
		if value < 0 then 
			prefix = '-'
		else
			prefix = '+'
		end
	-- if no prefix on positive value, add a '+'
	else
		if value > 0 then
			prefix = '+'
		end
	end
	
	-- some use cases don't require the '+' symbol prefix
	if exclude_plus == true and prefix == '+' then
		prefix = ''	
	end
	
	value_and_uom = frame:expandTemplate{
		title = 'Template:ValueAndUom',
		args = {
			prefix..value, 
			postfix,
			uom_style = 'font-size: 12px;'
		}
	}

	return value_and_uom
end

return p