--- function to remove item needs return true
function ps.removeItem(identifier, item, amount, slot, reason)
    if not identifier or not item then return end
    if not amount then amount = 1 end
    if not slot then slot = false end
    if not reason then reason = 'ps_lib Remove Item' end
    --TriggerClientEvent('qb-inventory:client:ItemBox', identifier, QBCore.Shared.Items[item], "remove", amount)
    --return exports['qb-inventory']:RemoveItem(identifier, item, amount, slot, reason)
end

-- function to add item needs return true
function ps.addItem(identifier, item, amount,meta, slot, reason)
    if not identifier or not item then return end
    if not amount then amount = 1 end
    if not slot then slot = false end
    if not reason then reason = 'ps_lib Add Item' end
    --TriggerClientEvent('qb-inventory:client:ItemBox', identifier, QBCore.Shared.Items[item], "add", amount)
    --return exports['qb-inventory']:AddItem(identifier, item, amount, slot, meta, reason)
end

-- function to open stash
function ps.openStash(source, identifier, data)
    --if not data.label then data.label = identifier end
    --if not data.maxweight then data.maxweight = 100000 end
    --if not data.slots then data.slots = 50 end
    --exports['qb-inventory']:OpenInventory(source, identifier, data)
end

-- checks if you have item and amount in inventory
function ps.hasItem(identifier, item, amount)
    --if not identifier or not item then return end
    --if not amount then amount = 1 end
    --return exports['qb-inventory']:HasItem(identifier, item, amount)
end

-- returns free weight in inventory
function ps.getFreeWeight(identifier)
   -- if not identifier then return end
   -- return exports['qb-inventory']:GetFreeWeight(identifier)
end

-- opens inventory by player ID
function ps.openInventoryById(source, playerid)
    
end

-- clears inventory for a player
function ps.clearInventory(source, identifier)
   
end

-- clears stash for a player
function ps.clearStash(source, identifier)
   
end

-- returns item count for a player
function ps.getItemCount(identifier, item)

end

-- returns item data for a player
function ps.getItemByName(identifier, item)
   
end

-- returns items by names for a table
function ps.getItemsByNames(identifier, items)
    
end

-- creates a shop 
function ps.createShop(source, shopData)

end

function ps.verifyRecipe(source, recipe)
    local need, have = 0,0
    for k, v in pairs (recipe) do
        if ps.getItemCount(source, k) >= v then
            have = have + 1
        end
        need = need + 1
    end
    return have >= need
end

function ps.craftItem(source, recipe)
    local src = source
    local itemChecks = ps.verifyRecipe(src, recipe.take)
    if not itemChecks then return false end
    for k, v in pairs(recipe.take) do
        if not ps.removeItem(src, k, v) then
            ps.notify(src, ps.lang("error.no_item", k), "error")
            return false
        end
    end
    for k, v in pairs(recipe.give) do
        if not ps.addItem(src, k, v) then
            ps.notify(src, ps.lang("error.no_item", k), "error")
            return false
        end
    end
    return true
end