-- Networking and hook example
--[[
	On "getdisconnected" command used
	1. Client->Server: Ask for the disconnected players table
	2. Server->Client: Send the disconnected players table
	3. Client: Print it into console 

]]

if SERVER then
	AddCSLuaFile()
	util.AddNetworkString("GetDCedPlayers") -- Yup, we have to use networking. This creates this string to be used for networking
	
	local disconnectedPlayers = {} -- Create a table for us to store the players

	-- PlayerDisconnected hook is serverside only as indicated by the blue square next to its name on the wiki
	-- Because we gather data from the server about disconnected players, the clients dont have it
	hook.Add("PlayerDisconnected", "nagasaki", function( ply )	
		-- Store the disconnected player in the table by their steam id as the key
		disconnectedPlayers[ ply:SteamID() ] = ply:Nick();
	end)
	
	-- Networking library has send and receiving functions
	net.Receive("GetDCedPlayers", function( len, ply )
		-- In this, we receive the client's empty net message that requests the disconnected players table
		-- We need to network this table from the server to the client, its expensive to do but works
		
		net.Start("GetDCedPlayers")
			net.WriteTable( disconnectedPlayers ) 
		net.Send( ply )
	end)
end

if CLIENT then
	
	-- Clientside console command so the clients can use it
	concommand.Add("getdisconnected", function()
		net.Start("GetDCedPlayers")
		net.SendToServer()
	end)
	
	net.Receive("GetDCedPlayers", function( len, ply )
		local dcedPlayers = net.ReadTable() -- Now we read the server's table
		
		PrintTable( dcedPlayers ) -- And print it into console to be seen
	end)
end