'Apply Now' form

On public listing http://wiki.civicrm.org/confluence/display/HR/Recruitment+-+Mockup+-+Public there is a 'Apply now' link(button on pop up widget) clicking on which will redirect to Application Form contains 'Apprlication Form' Profile of corresponding vacancy. Link will be civicrm/vacancy/apply?id=xx where id carries the vacancy id of the vacancy applicant is applying for. On save it will do :-
1) Create case of Application type internally as what we expect when we create Application case normally but this time applicant is anonymous user. Creator will be the applicant and assignee will be the one who created the vacancy (civicrm_hrvacancy.created_id)
2) Use createProfilecontact fn to create or use contact, based on the contact details provided in the Application form
3) Process custom fields like CV/Resume to desired custom table
4) Record the case_id and vacancy_id one-to-one mapping in custom table Vacancy