Whatsapp bulk unlimited messages sender script working in server

Need to develop an PHP script whatsApp to install on server, with this capabilities to work like whatsapp. 1- send bulk messages to whatsapp contacts which 1+ million daily. 2- ability to import/export bulk .txt/.csv contain mobile numbers 3- ability to filter active contact list with options ( no have whatsapp- last seen ) 4- ability to have language files to add more then 1 Lang 5- ability to add/remove mobile numbers / IMEI , to send messages from . 6- ability to customize send messages and customize how much message to be sent hourly and which numbers used to send the message from . 7- ability to view recent activity and messages history 8- ability to support the script for any updates later on which can be made from whatsapp end . 9- ability to upgrade 10- I want to send single or bulk whatsapp (text, photo, audio, Video, vcard..location) 11- I need to put a schedule for sending