component joomla/virtuemart 2 update import files whosalers

hello, i want to create a component for joomla 2.5 / virtuemart 2 for: -update automatically the database virtuemart, from csv, txt, received by dedicated folders on ftp joomla out. -Manage the generation of csv file to be transferred by FTP clients to webshop ## Deliverables Update wholesaler component file in joomla / virtuemart to each file (amount of files larger than 10): -processing of each file field wholesaler to match the table / field virtuemart generally: EAN | sku | Brand | Profile | specification | width | series | diameter | load | Speed ??| HV price | stock | bf (public sale price) there may be split on the labels to extract a word and match the table field virtuemart - Name of the tire [mark] [Profile] [spec] [width] / [series] R [diameter] [load] [speed] example : michelin energy saver xl rft 205/55 r17 91h -image using the profile name of the tire as picture - Put a prefix (initial wholesaler) to the sku to differentiate between wholesalers it is important to optimize the speed of updating the database virtuemart. The settings are to achieve: -keep field matching files wholesalers tables / fields virtuemart -keep the settings of cutting some labels to extract a word and match the table / fieldvirtuemart -keep the concatenation to write the name of the tire You can create generic text tags for the fields "product_s_desc" and "product_desc" example: {profile} {spec} {width} {series} {diameter} {speed} = "energy saver xl rft2055517h" Fields in the table to add virtuemart are: EAN | brand? | Profile | specification | width |series | diameter | load | speed The categories are to be created to correspond to the categories of tires such as: see more in the attached pdf file