Dynamically populate Woocommerece menu based on selected category -- 2

Please read thoroughly before submitting, ask questions if something is not clear. A) Need to have the menu populated with main categories on the main shop page. (programmatically) the solution should be add/remove categories to the menu dynamically. Ex. If the site has 5 parent categories : 1) Dairies 2) Chocolates 3) Jams 4) Ice-cream 5) Biscuits The menu on the main shop page should have those 5 items. Dairies - Chocolates - Jams - Ice-cream - Biscuits New parent category added : Shampoo Shop menu should automatically become Dairies - Chocolates - Jams - Ice-cream - Biscuits - Shampoo 2 parent categories removed : 1) Shampoo 2) Chocolates Shop menu should automatically become Dairies - Jams - Ice-cream - Biscuits B) For subcategories, the menu should be updated with those when a main category is selected. When a user presses on a parent category on the shop page, the menu should update with the subcategories of the item selected. Ex. Users presses on "Dairies" on the Shop menu, after he's navigated to shop/Dairies and the menu items should be automatically updated with children of that category. Shop/Dairies Menu should be Milk - Cheese - Yoghurt This part should also be dynamic, as when new sub-categories are added/removed to a parent category the menu will automatically be updated with new values. Ex. Fresh Milk added to Dairies Menu should be Milk - Cheese - Yoghurt - Fresh Milk Website : [login to view URL]