import sys
import os
from assetstool.args import args
from assetstool.assetcache import assetCache, assetGetCache
from assetstool.assethelpers import getAssetRelativePath
from dusk.defs import defs

def processScript(asset):
  cache = assetGetCache(asset['path'])
  if cache is not None:
    return cache
  
  # Load the lua file as a string
  with open(asset['path'], 'r', encoding='utf-8') as f:
    luaCode = f.read()
    
  # TODO: I will precompile or minify the Lua code here in the future

  # Create output Dusk Script File (DSF) data
  data = ""
  data += "DSF"
  data += luaCode

  # Write to relative output file path.
  relative = getAssetRelativePath(asset['path'])
  fileNameWithoutExt = os.path.splitext(os.path.basename(asset['path']))[0]
  outputFileRelative = os.path.join(os.path.dirname(relative), f"{fileNameWithoutExt}.dsf")
  outputFilePath = os.path.join(args.output_assets, outputFileRelative)
  os.makedirs(os.path.dirname(outputFilePath), exist_ok=True)
  with open(outputFilePath, "wb") as f:
    f.write(data.encode('utf-8'))

  outScript = {
    'data': data,
    'path': asset['path'],
    'files': [ outputFilePath ],
    'scriptPath': outputFileRelative,
  }
  return assetCache(asset['path'], outScript)