type inventoryData = { slots: number }

local EquippedItem = Entity.trait('EquippedItem', function(self, tool: Tool)
end)
local Inventory = Entity.trait('Inventory', function(self, player: Player, syncs: inventoryData)
    
    local data = awaitData(player)
    self:_applyAttributes(data)
    self.items = {}
    
    function self:addItem(item: Tool)
        
        self.items[item] = 'unequipped'
    end
    function self:removeItem(item: Tool)
        
        self.items[item] = nil
    end
    
    function self:equipItem(item: Tool)
        
        assert(self.items[item] == 'unequipped', `item already equipped`)
        self.items[item] = EquippedItem.get(item)
    end
    function self:unequipItem(item: Tool)
        
        assert(self.items[item] == 'equipped', `item already unequipped`)
        
        self.items[item]:unwrap()
        self.items[item] = 'unequipped'
    end
end)
local function tradeItem(player, item: Tool)
    
    assert(not EquippedItem.find(item), `u cant trade a equipped item`)
    local inventory = Inventory.get(player)
    
    inventory:addItem(item)
end