create a POS component for joomla hikashop that will work without internet and update when internet is available

i need someone to create a POS component for joomla and hikashop that will work without internet and update when internet is available. Just like shopify or odoo 1.i already have a website so i need to make my joomla webiste and hikashop work even no internet available(offline) then update when it gets online or internet is available. 2. it should be installable plugin or component via joomla extensions ( or send a solution) 3. has full documentation 4. code has to contain comments/purpose 5. Compatible with any device 6. should update inventory, sales, transaction and stocks 7. 6 months bug free Major Details Smooth synchronization with hikashop Run smoothly on all devices Work both online and offline POS can sync automatically with Hikashop Provide reports in-store sales Accept gift cards or user points Discounts and coupons Print receipts or email reciepts More Details Orders & customer management POS agents can add orders, customers’ information, products, etc directly from the intuitive interface (based on the fields set on hikashop) Create profiles for customers Customer data is stored in your web server The Order filtration system: store owners can see which orders came from the retail store View historical sales data Inventory management Synchronize inventory and order details from the same intuitive dashboard as hikashop Choose which products to display in categories as hikashop Support barcode scanning Payments & checkout Taxes are automatically calculated based on hikashop tax rates & class settings Support coupon codes Receipts are automatically sent to customers’ emails, and print if necessary as set in hikashop Support partial or full refunds Prices can be adjusted manually for separate products Accept cash and card payments