TOOL.Category   = "Wire - Display"
TOOL.Name       = "GPULib Switcher"
TOOL.Command    = nil
TOOL.ConfigName = ""
TOOL.Tab        = "Wire"

TOOL.ClientConVar[ "model" ] = "models/jaanus/wiretool/wiretool_siren.mdl"

if (CLIENT) then
	language.Add("Tool_wire_gpulib_switcher_name", "GPULib Screen Switcher")
	language.Add("Tool_wire_gpulib_switcher_desc", "Displays one entity's GPULib screen on another entity.")
	language.Add("Tool_wire_gpulib_switcher_0", "Primary: Link a GPULib Screen (Console/Digital/Text Screen/GPU/Oscilloscope) to a different prop/entity, Reload: Unlink")
	language.Add("Tool_wire_gpulib_switcher_1", "Primary: Link selected GPULib Screen to this prop/entity, Secondary: Place GPULib controller for the selected screen, Reload: Cancel")
	
	function TOOL.BuildCPanel(panel)
		panel:AddControl("Header", { Text = "#Tool_wire_gpulib_switcher_name", Description = "#Tool_wire_gpulib_switcher_desc" })
		WireDermaExts.ModelSelect(panel, "wire_gpulib_switcher_model", list.Get( "Wire_Misc_Tools_Models" ), 1)
	end
	
elseif SERVER then
	
	function TOOL:LeftClick(trace)
		local ent = trace.Entity
		
		if ent:IsPlayer() then return false end
		if CLIENT then return true end
		
		if not ent:IsValid() then return false end
		
		if self:GetStage() == 0 then
			--if not ent.IsGPU then return false end -- needs check for GPULib-ness
			self.screen = ent
			
			self:SetStage(1)
			
			return true
		elseif self:GetStage() == 1 then
			GPULib.switchscreen(self.screen, ent)
			self.screen = nil
			
			self:SetStage(0)
			
			return true
		end
	end
	
	function TOOL:RightClick(trace)
		local ent = trace.Entity
		
		if ent:IsPlayer() then return false end
		if CLIENT then return true end
		
		if self:GetStage() == 1 then
			local ply = self:GetOwner()
			
			local Ang = trace.HitNormal:Angle()
			Ang.pitch = Ang.pitch + 90
			
			local controller = MakeGPULibController( ply, trace.HitPos, Ang, self:GetModel(), self.screen )
			controller:SetPos(trace.HitPos - trace.HitNormal * controller:OBBMins().z)
			
			local const = WireLib.Weld(controller, trace.Entity, trace.PhysicsBone, true)
			
			undo.Create("GPULib controller ("..self.screen:GetClass()..")")
				undo.AddEntity( controller )
				undo.AddEntity( const )
				undo.SetPlayer( ply )
			undo.Finish()
			
			self.screen = nil
			self:SetStage(0)
			
			return true
		end
	end
	
	function TOOL:Reload(trace)
		if self:GetStage() == 0 then
			local ent = trace.Entity
			
			if ent:IsPlayer() then return false end
			if CLIENT then return true end
			
			GPULib.switchscreen(ent, ent)
			
			return true
		else
			self:SetStage(0)
			return true
		end
	end
	
	function TOOL:GetModel()
		local model = self:GetClientInfo("model")
		
		if util.IsValidModel(model) then return model end
		
		return "models/jaanus/wiretool/wiretool_siren.mdl"
	end
	
end -- if SERVER