class PatchTask:
	def __init__(self, config, input_dir, output_dir, renpy_path, registry):
		self.config = config
		self.input_dir = input_dir
		self.output_dir = output_dir
		self.renpy_path = renpy_path
		self.registry = registry

	def pre_build(self, on_builds):
		import subprocess
		from os.path import exists

		if exists(f"{self.renpy_path}/patched.txt"):
			print("================File already patched!==================")
		else:
			patch_exec = "patch"
			if self.config.get('patch_path') != None and self.config['patch_path'] != "":
				patch_exec = self.config['patch_path']

			print("================Initiating patching==================")

			try:
				subprocess.run([patch_exec, f"{self.renpy_path}/renpy.py", f"{self.input_dir}/build_patch/patch.diff"])
			except Exception as e:
				print(e)
				raise e

			# Create a flag so we don't try to patch this again on re-runs
			try:
				flag = open(f"{self.renpy_path}/patched.txt", 'x')
			except Exception as e:
				print(e)
				raise e

			print("================File Patched==================")

	def post_build(self, on_builds):
		pass