local _, addon = ...
local L = addon.L;
local GameTooltipItemManager = addon.GameTooltipManager:GetItemManager();
local AddTextureToTooltip = addon.API.AddTextureToTooltip;


local floor = math.floor;
local GetItemSpell = C_Item.GetItemSpell;
local GetRecipeSchematic = C_TradeSkillUI.GetRecipeSchematic;
local GetItemNameByID = C_Item.GetItemNameByID;
local GetItemIconByID = C_Item.GetItemIconByID;
local GetItemCount = C_Item.GetItemCount;
local GetCurrencyInfo = C_CurrencyInfo.GetCurrencyInfo;
local GetItemInfoInstant = C_Item.GetItemInfoInstant;
local IsShiftKeyDown = IsShiftKeyDown;


local ItemReagentCache = {};
local ItemRecipeIDCache = {};   --Debug
local QuantityOverride = {};

local IgnoredItems = {
	[254267] = true,    --Fragmented Memento of Epoch Challenges
};


local ItemSubModule = {};

function ItemSubModule:ProcessData(tooltip, itemID)
	if self.enabled then
		if ItemReagentCache[itemID] == nil then
			local _, _, _, _, _, classID = GetItemInfoInstant(itemID);
			local _, spellID = GetItemSpell(itemID);
			if spellID and classID ~= 8 then    --ItemEnhancement: Enchant Scroll
				local schematic = GetRecipeSchematic(spellID, false);
				if schematic and schematic.reagentSlotSchematics then
					local recipeID = schematic.recipeID;
					ItemRecipeIDCache[itemID] = recipeID;
					local numReagents = 0;
					local reagents = {};
					local reagentItemID;
					local tbl;
					for k, v in ipairs(schematic.reagentSlotSchematics) do
						if v.required and v.reagents and v.reagents[1] and (v.reagents[1].itemID or v.reagents[1].currencyID) then
							numReagents = numReagents + 1;
							reagentItemID = v.reagents[1].itemID;
							tbl = {};
							tbl.quantityRequired = v.quantityRequired or 1;
							if reagentItemID then
								tbl.itemID = reagentItemID;
								if QuantityOverride[recipeID] and QuantityOverride[recipeID][reagentItemID] then
									tbl.quantityRequired = QuantityOverride[recipeID][reagentItemID];
								end
							else
								tbl.currencyID = v.reagents[1].currencyID;
							end
							reagents[numReagents] = tbl;
						end
					end

					if numReagents > 0 then
						local info = {};
						info.reagents = reagents;
						info.spellID = spellID;
						if schematic.outputItemID then
							info.outputItemID = schematic.outputItemID;
						end
						ItemReagentCache[itemID] = info;
					else
						ItemReagentCache[itemID] = false;
					end
				else
					ItemReagentCache[itemID] = false;
				end
			else
				ItemReagentCache[itemID] = false;
			end
		end

		if ItemReagentCache[itemID] and not IgnoredItems[itemID] then
			tooltip:AddLine(" ");
			local info = ItemReagentCache[itemID];
			local name, count, quantityText, icon, maxOutput, numOuput;
			local requireUpdate;
			local isMultipleReagent = #info.reagents > 1;
			for k, v in ipairs(info.reagents) do
				if v.itemID then
					name = GetItemNameByID(v.itemID);
					if (not name) or name == "" then
						requireUpdate = true;
						name = "Item: "..v.itemID;
					end
					count = GetItemCount(v.itemID, true, false, true, true);
					icon = GetItemIconByID(v.itemID)
					if isMultipleReagent and v.itemID == itemID then
						name = "* "..name;
					end
				elseif v.currencyID then
					local currencyInfo = GetCurrencyInfo(v.currencyID);
					if currencyInfo then
						name = currencyInfo.name;
						count = currencyInfo.quantity;
						icon = currencyInfo.iconFileID;
					end
				end

				if name then
					quantityText = count.."/"..v.quantityRequired;
					if count >= v.quantityRequired then
						tooltip:AddDoubleLine(name, quantityText, 1, 1, 1, 1, 1, 1);
						numOuput = floor(count / v.quantityRequired);
						if maxOutput then
							if numOuput < maxOutput then
								maxOutput = numOuput;
							end
						else
							maxOutput = numOuput;
						end
					else
						tooltip:AddDoubleLine(name, quantityText, 1, 0.125, 0.125, 1, 0.125, 0.125);
						maxOutput = 0;
					end
					AddTextureToTooltip(tooltip, icon);
				end
			end

			if info.outputItemID and IsShiftKeyDown() then
				name = GetItemNameByID(info.outputItemID);
				if (not name) or name == "" then
					requireUpdate = true;
				end
				GameTooltipItemManager:AppendItemInfo(tooltip, info.outputItemID);
			end

			if maxOutput and maxOutput > 1 and info.outputItemID then
				tooltip:AddLine(" ");
				tooltip:AddLine(string.format(L["Can Create Multiple Item Format"], maxOutput), 1, 0.82, 0, true);
			end

			if requireUpdate and tooltip.RefreshDataNextUpdate then
				tooltip:RefreshDataNextUpdate();
			end

			--debug
			--[[
			if true then
				--/dump C_TradeSkillUI.GetRecipeSchematic(428667, false).reagentSlotSchematics
				tooltip:AddLine(" ");

				local _, itemType, itemSubType, itemEquipLoc, icon, classID, subClassID = C_Item.GetItemInfoInstant(itemID);
				local idFormat = "%s |cffffffff%s|r";
				tooltip:AddDoubleLine("ItemID", itemID, 1, 0.82, 0, 1, 1, 1);
				tooltip:AddDoubleLine("SpellID", info.spellID, 1, 0.82, 0, 1, 1, 1);
				tooltip:AddDoubleLine(idFormat:format(itemType, classID), idFormat:format(itemSubType, subClassID));
				GameTooltipItemManager:DebugPrintBool(tooltip, "IsConsumableItem", C_Item.IsConsumableItem(itemID));
				GameTooltipItemManager:DebugPrintBool(tooltip, "IsUsableItem", C_Item.IsUsableItem(itemID));

				local schematic = GetRecipeSchematic(info.spellID, false);
				GameTooltipItemManager:DebugAddField(tooltip, schematic, "name");
				GameTooltipItemManager:DebugAddField(tooltip, schematic, "recipeID");
				GameTooltipItemManager:DebugAddField(tooltip, schematic, "recipeType", nil, "TradeskillRecipeType");
				GameTooltipItemManager:DebugAddField(tooltip, schematic, "quantityMin");
				GameTooltipItemManager:DebugAddField(tooltip, schematic, "quantityMax");
				GameTooltipItemManager:DebugAddField(tooltip, schematic, "isRecraft");
				GameTooltipItemManager:DebugAddField(tooltip, schematic, "hasCraftingOperationInfo");
				GameTooltipItemManager:DebugAddField(tooltip, schematic, "outputItemID");

				for k, v in ipairs(schematic.reagentSlotSchematics) do
					tooltip:AddLine(" ");
					GameTooltipItemManager:DebugAddField(tooltip, v, "reagentType", k, "CraftingReagentType");
					GameTooltipItemManager:DebugAddField(tooltip, v, "dataSlotType", k, "TradeskillSlotDataType");
					GameTooltipItemManager:DebugAddField(tooltip, v, "quantityRequired", k);
				end
			end
			--]]

			return true
		end

		return false
	else
		return false
	end
end

function ItemSubModule:GetDBKey()
	return "TooltipItemReagents"
end

function ItemSubModule:SetEnabled(enabled)
	self.enabled = enabled == true
	GameTooltipItemManager:RequestUpdate();
end

function ItemSubModule:IsEnabled()
	return self.enabled == true
end

do
	local function EnableModule(state)
		if state then
			ItemSubModule:SetEnabled(true);
			GameTooltipItemManager:AddSubModule(ItemSubModule);
		else
			ItemSubModule:SetEnabled(false);
		end
	end

	local moduleData = {
		name = addon.L["ModuleName TooltipItemReagents"],
		dbKey = ItemSubModule:GetDBKey(),
		description = addon.L["ModuleDescription TooltipItemReagents"],
		toggleFunc = EnableModule,
		categoryID = 3,
		uiOrder = 10,
		moduleAddedTime = 1736940000,
		categoryKeys = {
			"Inventory",
		},
		searchTags = {
			"Tooltip",
		},
	};

	addon.ControlCenter:AddModule(moduleData);
end




do  --QuantityOverride
	--[recipeID] = {[itemID] = quantityRequired}

	QuantityOverride[404592] = {
		[204340] = 30,   --Torn Recipe Scrap
	};

	QuantityOverride[428667] = {
		[211297] = 2,   --Fractured Spark TWW S1
	};

	QuantityOverride[467635] = {
		[230905] = 2,   --Fractured Spark TWW S2
	};

	QuantityOverride[468717] = {
		[231757] = 2,   --Fractured Spark TWW S3
	};
end
