require("coffee-script")

fs = require("fs")
_ = require("underscore")

if not process.argv[2]
    console.log "Usage: coffee project_size.coffee user_files_path"
else
    dirPath = process.argv[2]
    if not fs.lstatSync(dirPath).isDirectory()
        console.log dirPath + " directory not exist"
    else
        fs.readdir dirPath, (err, files)->
            projects = []
            files.forEach (file)->
                project_id = file.split("_")[0]
                if !projects[project_id]
                    projects[project_id] = 0
                projects[project_id] += fs.lstatSync(dirPath+"/"+file).size

            ids = _.keys projects
            console.log "project \t size"
            ids.forEach (id)->
                console.log id + "\t" + projects[id]