-- 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