use std

if (ARGS.length >= 2 && ARGS[0] == "owm") {
  use files, json, java

  File = newClass("java.io.File")
  runtime = newClass("java.lang.Runtime").getRuntime()

  def loadModulesJson(path = "modules.json") {
    f = fopen(path, "r")
    modules = jsondecode(readText(f))
    fclose(f)
    return modules
  }
  def exec(cmd, dir = ".") = runtime.exec(cmd, null, new File(dir))

  match (ARGS[1]) {
    case "install": {
      modulesDir = "own-modules"
      if (!exists(modulesDir)) {
        mkdir(modulesDir)
      }
      for module : loadModulesJson() {
        print module.name
        moduleDir = modulesDir + "/" + module.name
        if (!exists(moduleDir)) {
          mkdir(moduleDir)
          cmd = "git clone https://gist.github.com/" + module.id + ".git " + module.name
          exec(cmd, modulesDir)
          println " installed"
        } else {
          exec("git pull origin master", moduleDir)
          println " updated"
        }
      }
    }
  }
}