---------------------
-- Your Name is Benny
---------------------

local PT = FindMetaTable("Player")

function PT:GetItems()
	return
end

InventoryMeta = {}

function InventoryMeta:Destroy()
	local p = self[0].Owner
	p.Inventory = nil
	p:GetInventory()
end

function InventoryMeta:BugCheck()
	for i, v in pairs(self) do
		if i != 0 and !i:IsValid() then
			self[i] = nil
		end
	end
end

function InventoryMeta:GetWeighted()
	local itemlist = {}

	for i, v in pairs(self) do
		if i == 0 then continue end
		table.insert( itemlist, i )
	end

	table.sort( itemlist, function( a, b ) 
		return a:GetAcquisition() < b:GetAcquisition()
	end)

	return itemlist
end

function InventoryMeta:Sync()
	if SERVER then
		net.Start("AEINV_InvSync")
			local count = table.Count( self )-1 -- The header is included
			net.WriteUInt( count, 8 )
			for key, _ in pairs( self ) do
				if key == 0 then continue end
				net.WriteEntity( key )
			end
		net.Send( self[0].Owner )
	end
end

InventoryMeta.__index = InventoryMeta

function PT:GetInventory()
	if !self.Inventory then
		print("[inventory] new inventory created: ", self)
		self.Inventory = {}
		self.Inventory[0] = { Owner = self }
		setmetatable( self.Inventory, InventoryMeta )

		if SERVER then
			for i, v in pairs( self:GetChildren() ) do
				if v.AEItem then
					print( "[inventory] regen: adding", v)
					self.Inventory[v] = true
				end
			end
			self.Inventory:Sync()
		end
	end

	self.Inventory:BugCheck()

	return self.Inventory
end

gameevent.Listen( "OnRequestFullUpdate" )
hook.Add( "OnRequestFullUpdate", "Benny_OnRequestFullUpdate_Inventory", function( data )
	local name = data.name			// Same as Player:Nick()
	local steamid = data.networkid	// Same as Player:SteamID()
	local id = data.userid			// Same as Player:UserID()
	local index = data.index   		// Same as Entity:EntIndex() minus one

	if SERVER then
		print("[inventory]", Player(id), "FullUpdate resync")
		Player(id):GetInventory():Sync()
	end
end )

if SERVER then
	util.AddNetworkString("AEINV_InvSync")
else
	net.Receive("AEINV_InvSync", function()
		print("[inventory] sync start:")
		local p = LocalPlayer()
		p.Inventory = nil
		if p.GetInventory then
			local inv = p:GetInventory()
			local count = net.ReadUInt(8)
			for i=1, count do
				local key = net.ReadEntity()
				print( "\tadded", key)
				inv[key] = true
			end
		else
			print("\ti don't have an inventory, maybe you asked too early!!")
		end
		print("\tsync done")
	end)
end


do
	local qt2 = {
		["slot1"] = 1,
		["slot2"] = 2,
		["slot3"] = 3,
		["slot4"] = 4,
		["slot5"] = 5,
		["slot6"] = 6,
		["slot7"] = 7,
		["slot8"] = 8,
		["slot9"] = 9,
		["slot0"] = 0,
	}
	local qt = {
		["invprev"] = -1,
		["invnext"] = 1,
	}

	hook.Add( "PlayerBindPress", "Benny_PlayerBindPress_Original", function( ply, bind, pressed, code )
		if qt2[bind] then
			local Num = qt2[bind]
			if pressed then
				local inv = ply:GetInventory():GetWeighted()
				local wep = ply:HandlerCheck()
				local invf = table.Flip( inv )

				local NumOfActive = 0
				NumOfActive = invf[wep:GetDesireR()]

				if Num == NumOfActive then
					Num = 0
				end
				input.SelectWeapon( ply:GetWeapon("goat_"..Num) )
			end
			return true
		end
		if qt[bind] then
			if pressed then
				local Num = 0

				local inv = ply:GetInventory():GetWeighted()
				local wep = ply:HandlerCheck()
				local invf = table.Flip( inv )
				local invc = #inv
				
				Num = wep:GetDesireR() and invf[wep:GetDesireR()] or 0
				Num = Num + qt[bind]

				if Num > invc then
					Num = 0
				elseif Num < 0 then
					Num = invc
				end
				
				input.SelectWeapon( ply:GetWeapon("goat_"..Num) )
			end
			return true
		end
	end)
end

hook.Add( "PlayerSwitchWeapon", "Benny_PlayerSwitchWeapon_Goat", function( ply, old, ent )
	if ent.BennyItemHandler then return true end -- what happened?
	local wep = ply:HandlerCheck()
	if !wep then print("PlayerSwitchWeapon Benny Handler Missing!!") return false end
	if ent:IsValid() and ent.Goat then
		local inv = ply:GetInventory():GetWeighted()

		if ent.Goat == 0 then wep:SetDesireR( NULL ) return false end

		local ent = inv[ent.Goat]
		if ent then
			wep:SetDesireR( ent )
		end
	end

	return false
end)

for i=0, 9 do
	local tent = {}
	--tent.Base = "goat"
	tent.Goat = i
	
	weapons.Register( tent, "goat_" .. i )
end