local _, shared = ...
---@cast shared HeimdallShared
local ModuleName = "Network"

---@diagnostic disable-next-line: missing-fields
shared.Network = {}
function shared.Network.Init()
	if not shared.network then shared.network = {} end
	local updatePending = false

	local function FriendListUpdate()
		updatePending = false
		if not Heimdall_Data.config.network.enabled then return end
		---@type table<string, boolean>
		local friends = {}
		for i = 1, GetNumFriends() do
			local name, _, _, _, connected, _, _, _ = GetFriendInfo(i)
			if name then
				friends[name] = connected
				if Heimdall_Data.config.network.debug then
					print(string.format("[%s] Friend %s is %s", ModuleName, name, connected and "online" or "offline"))
				end
			else
				if Heimdall_Data.config.network.debug then
					print(string.format("[%s] Friend %s is nil", ModuleName, i))
				end
			end
		end

		for _, member in ipairs(Heimdall_Data.config.network.members) do
			if friends[member] == nil and member ~= UnitName("player") then
				if Heimdall_Data.config.network.debug then
					print(string.format("[%s] Adding friend %s", ModuleName, member))
				end
				AddFriend(member)
			end
		end
		friends[UnitName("player")] = true

		shared.networkNodes = {}
		-- Why are we skipping this again...?
		-- if false then shared.networkNodes[#shared.networkNodes + 1] = UnitName("player") end
		for _, player in ipairs(Heimdall_Data.config.network.members) do
			if friends[player] then
				shared.networkNodes[#shared.networkNodes + 1] = player
				if Heimdall_Data.config.network.debug then
					print(string.format("[%s] Adding network node %s", ModuleName, player))
				end
			end
		end
		if Heimdall_Data.config.network.debug then
			print(string.format("[%s] Network nodes:", ModuleName))
			shared.dumpTable(shared.networkNodes)
		end
	end

	local friendsFrame = CreateFrame("Frame")
	friendsFrame:RegisterEvent("FRIENDLIST_UPDATE")
	friendsFrame:SetScript("OnEvent", function(self, event, ...) end)

	local function NetworkTick()
		if Heimdall_Data.config.network.debug then print("Network module is updating.") end
		ShowFriends()
		updatePending = true
		C_Timer.After(1, function()
			if updatePending then FriendListUpdate() end
		end)
		shared.network.ticker = C_Timer.NewTimer(Heimdall_Data.config.network.updateInterval, NetworkTick, 1)
	end

	NetworkTick()
	print("[Heimdall] Network module loaded")
end