local function fnum(x) -- Formats numbers in the default language, means it will add comma separators
  if type(x) == "number" then
    return lang:formatNum(x)
  end
  return nil
end

local function getArtefactData(artefactName)
	return data.artefacts[string.gsub(tostring(artefactName), ' ?%(damaged%)', '')]
end

local function artefactXP(artefactName)  --returns restoration xp of an artefact from a specific hotspot
	local artData = getArtefactData(artefactName)
	if artData ~= nil then
		return artData.xp
	end
end


local function FindProfits(h,hotspot)  -- returns the average value of all materials gained from a hotspot.
	local numMaterialsTable = {}
	local totalProfits = 0
	local numMaterials = 0


	for i,v in ipairs (hotspot.materials) do
		local chance = v[2]
		local materialsGained = h * (chance/10000)

		numMaterialsTable[v[1]] = materialsGained
		numMaterials = numMaterials + 1
	end


	for i,v in pairs(numMaterialsTable) do
		totalProfits = totalProfits + (gemw._price(i))
	end

	totalProfits = totalProfits / numMaterials -- Gets the average profit from a hotspot in an hour

	return totalProfits
end

local function GetNumArtefactMaterials(havg,r) -- Returns chance per hit to gain each material in a specific hotspot.
	local numMaterialsTable = {}

	for i,v  in pairs (r.materials) do
		local chance = v[2]
		numMaterialsTable[v[1]] = chance/10000
	end

	return numMaterialsTable -- Return dictionary with materials name as index
end


local function SoilPrice(havg,r)  --returns total profit of all soil collected, checks soil type from specific hotspot
	if r.soil then
		soilNum = havg * 0.14
		return gemw._price(r.soil) * soilNum
	else
		return 0
	end
end

local function TotalRestoringPrice(havg, r, precision) --returns avg price of restoring one artefact from a specific hotspot
	local numArtefacts = 0
	local artefactsToRestore = r.artefacts
	local costTable = {}
	for l, m in ipairs(artefactsToRestore) do
		local artData = getArtefactData(m[1])
		if artData ~= nil then
			for j, k in pairs (artData.mats) do
				if not string.match(j,"damaged") and not string.match(j,"Phoenix") and not string.match(j,"mushroom ink") then
					costTable[#costTable + 1] = k * gemw._price(j)
				end
			end
		end
	end

	for i,v in ipairs (r.artefacts) do
		numArtefacts = numArtefacts + 1
	end

	local sumSingularPrice = 0

	for i=1, #costTable do
		sumSingularPrice = sumSingularPrice + costTable[i]
	end

	avgRestore = sumSingularPrice / numArtefacts
	return avgRestore
end


local function GetChronoteValue(hotspotName) -- gets chronote value of artefacts from a specific hotspot
	local artefactName = data.hotspots[hotspotName].artefacts[1][1]
	local artData = getArtefactData(artefactName)
	if artData ~= nil then
		return artData.chronotes
	end
end


local function getMattockName(mattockTable, mattockLevel, mattockAugmentable) -- Returns mattock name based on parameters given
	for k,v in pairs(t) do
		if v.Level == mattockLevel and v.Augmentable == mattockAugmentable then
			return k
		end
	end
	return nil
end

function remainingExp(curLvl, curXP, tgtLvl, tgtXP) -- Gets remaining xp to a certain lvl and xp goal.
	local remaining

	if curLvl > 120 and curXP == 1 then
		curXP = curLvl
	elseif curXP <= 120 and curLvl == 1 then
		curLvl = curXP
		curXP = 1
	end

	if tgtLvl > 120 and tgtXP == 0 then
		tgtXP = tgtLvl
	elseif tgtXP <= 120 and tgtLvl == 0 then
		tgtLvl = tgtXP
		tgtXP = 0
	end

	if curXP == 1 then
		curXP = xp({args = {curLvl, elite = 0}})
	else
		curLvl = level({args = {curXP, elite = 0}})
	end

	if tgtLvl > 0 or tgtXP > 0 then
		if tgtXP == 0 then
			tgtXP = xp({args = {tgtLvl, elite = 0}})
		else
			tgtLvl = level({args = {tgtXP, elite = 0}})
		end
	end
    -- Prevent negative values
    local remaining = math.ceil(tgtXP - curXP)
    if remaining < 0 then
        remaining = 0
    end

    return curLvl, curXP, tgtLvl, tgtXP, remaining
end