import Glob

"""
  Gets the list of directories with a certain absolute prefix
  
  Example:
     /my/absolute/path/prefix
     returns:
     /my/absolute/path/prefix.1
     /my/absolute/path/prefix.2
     /my/absolute/path/prefix.3
"""
function helper_get_prefix_directories(prefix::String)::Array{String}
    findDelimiter = findlast("/", prefix)
    searchDirectory::String = prefix[1:findDelimiter[1]-1]
    #print(searchDirectory)

    pattern::String = string(prefix[findDelimiter[1]+1:end], "*")
    outputDirs = Glob.glob(pattern, searchDirectory)
    return outputDirs
end


function helper_get_relative_path(fullName::String)::String
    findDelimiter = findlast("/", fullName)
    
   # if findDelimiter == Nothing
   #   return fullName
   # end  
    
    relativeName = string(fullName[findDelimiter[1]+1:end])
    return relativeName
end


"""
  Gets the list of files inside a path that meet the prefix criteria.
  Example: 
      path/prefix.*

      path/
           prefix.1
           prefix.2
           prefix.3

  output: [ prefix.1, prefix.2, prefix.3 ] 
"""
function helper_get_prefix_files(prefix::String, path::String)::Array{String}

    pattern::String = string(prefix, "*")
    files = Glob.glob(pattern, path)
    return files
end


function helper_get_directory_size(directory::String)::Int64

    size::Int64 = 0
    for (root, dirs, files) in walkdir(directory)
        size += sum(map(filesize, joinpath.(root, files)))
    end
    return size
end