module special_filenames
implicit none

contains

    function get_special_full_filename(category, filename) result(res)
    use utilities, only: combine_paths
    use config
    implicit none
    
        character(*), intent(in)::category, filename
        character(len=:), pointer::res

        res => null()

        if(trim(category) == "releases") then
            allocate(character(len=(len_trim(release_dir)+len_trim(filename)+1)) :: res)
            call combine_paths(release_dir, filename, res)
        else if(trim(category) == "uploads") then
            allocate(character(len=(len_trim(release_dir)+len_trim(filename)+1)) :: res)
            call combine_paths(release_dir, filename, res)
        else if(trim(category) == "results") then
            allocate(character(len=(len_trim(results_dir)+len_trim(filename)+1)) :: res)
            call combine_paths(results_dir, filename, res)
        else if(trim(category) == "static") then
            allocate(character(len=(len_trim(static_dir)+len_trim(filename)+1)) :: res)
            call combine_paths(static_dir, filename, res)
        else if(trim(category) == "favicon.txt") then
            allocate(character(len=(len_trim(static_dir)+len_trim(filename)+1)) :: res)
            call combine_paths(static_dir, filename, res)
        else if(trim(category) == "instructions") then
            allocate(character(len=(len_trim(instructions_dir)+len_trim(filename)+1)) :: res)
            call combine_paths(instructions_dir, filename, res)
        end if
        
    end function get_special_full_filename
    
    function get_instructions_static_filename(instruction_id) result(res)
    use captain_db
    implicit none
    
        integer, intent(in)::instruction_id
        character(len=:), pointer::res
        
        character(PLAYER_NAME_LENGTH)::instruction_name
        
        call get_instruction_name(instruction_id, instruction_name)
        
        res => get_special_full_filename("instructions", trim(instruction_name)//".json")
        
    end function get_instructions_static_filename
    
end module special_filenames