module Main where

import MiniResolution.Plan
  ( catalog
  , parseRequest
  , renderPlan
  , resolveRequests
  )
import System.Environment (getArgs)
import System.Exit (die)

main :: IO ()
main = do
  args <- getArgs
  let inputArgs =
        case args of
          [] ->
            [ "api:production:stable"
            , "worker:staging:candidate"
            , "auth:production:stable"
            ]
          _ -> args

  case traverse parseRequest inputArgs of
    Left err -> die err
    Right requests ->
      case resolveRequests catalog requests of
        Left err -> die err
        Right deployments -> putStrLn (renderPlan deployments)