local addonName, A = ...

-- @todo: enchants, elementals, prospecting
-- @todo improve scanning

A.data = {}

do
	-- lua functions
	local print = print
	local ipairs = ipairs
	local tinsert = tinsert
	local select = select

	-- Wow functions
	local GetNumTradeSkills = GetNumTradeSkills
	local GetTradeSkillInfo = GetTradeSkillInfo
	local GetTradeSkillNumReagents = GetTradeSkillNumReagents
	local GetTradeSkillItemLink = GetTradeSkillItemLink
	local GetTradeSkillRecipeLink = GetTradeSkillRecipeLink
	local GetTradeSkillReagentItemLink = GetTradeSkillReagentItemLink
	local GetTradeSkillReagentInfo = GetTradeSkillReagentInfo
	local GetTradeSkillNumMade = GetTradeSkillNumMade
	local GetSpellInfo = GetSpellInfo

	-- Wow objects
	local GetTradeSkillLine = GetTradeSkillLine

	-- the function who scans the tradeskill
	function A:ScanSimpleRecipes()
		-- Check if the tradeskill is loaded
		-- Has to have recipes and begin with a header
		local NRecipes = GetNumTradeSkills()
		if NRecipes==0 or select(2,GetTradeSkillInfo(1))~="header" then
			return
		end
		
		tradeskillID = GetTradeSkillLine()

		-- Check if the pseudo tradeskills have to be added
		if tradeskillID == GetSpellInfo(25229) then -- Jewelcrafting
			if not A.ProspectingDataLoaded then
				for itemID,data in pairs(A.ProspectingData) do
					A.data[itemID] = data
				end
				A.ProspectingDataLoaded = true
			end
		elseif tradeskillID == GetSpellInfo(45357) then -- Inscription
			if not A.MillingDataLoaded then
				for itemID,data in pairs(A.MillingData) do
					A.data[itemID] = data
				end
				A.MillingDataLoaded = true
			end
		end

		for i = 2,NRecipes do -- The first one is a header
			-- skillName, skillType, numAvailable, isExpanded, serviceType, numSkillUps = GetTradeSkillInfo(index)
			-- serviceType is nil if the recipe creates an item
			local _, skillType, _, _, serviceType = GetTradeSkillInfo(i)
			if skillType and skillType ~= "header" and serviceType==nil then
				-- item ID
				local itemID = A.link2ID(GetTradeSkillItemLink(i))

				-- reagent ID, valid only if there's only one reagent as we take only the first one
				local reagentID = A.link2ID(GetTradeSkillReagentItemLink(i, 1))

				-- reagent number needed
				local _, _, reagentCount, _ = GetTradeSkillReagentInfo(i, 1)

				-- number of reagent created by the recipe
				local minMade, maxMade = GetTradeSkillNumMade(i)

				-- recipe link (for tooltips)
				local recipeLink = GetTradeSkillRecipeLink(i)

				-- error checking
				if itemID and reagentID and reagentCount and minMade and maxMade and recipeLink then
					-- remove unneeded minMade/maxMade
					if maxMade==minMade then
						maxMade = nil
						if minMade==1 then
							minMade = nil
						end -- if
					end -- if

					-- As we scan multiple times, check if this recipe is already stored
					local addSpell	= true
					if not A.data[itemID] then
						A.data[itemID] = {}
					else
						for _,v in ipairs(A.data[itemID]) do
							if v.spellLink==recipeLink then
								addSpell = nil
								break
							end -- if
						end -- for
					end -- if
				
					-- Cache the data
					if addSpell then
						local spell = {reagentID,reagentCount,minMade,maxMade}
						spell.spellID = tradeskillID
						spell.spellLink = recipeLink
						spell.manyReagents = GetTradeSkillNumReagents(i)>1
						tinsert(A.data[itemID],spell)
					end

				else -- Zap incomplete recipes, they will be scanned later
					--@debug@
					print("Erreur de scan :",itemID,reagentID,reagentCount,minMade,maxMade,recipeLink)
					--@end-debug@
				end -- if
			end -- if
		end -- for

		zzz = A.data
		-- the scanning is complete
		return true
	end -- function
end -- do