import dcc.config
import dcc.doom_base
import os
import re
import shutil
import subprocess
import zipfile

class DSDA(dcc.doom_base.WadMap):
	def get_parser(self, prog_name):
		parser = super().get_parser(prog_name)
		parser.add_argument("-s", "--single", action="store_true")
		parser.add_argument("-a", "--abbreviation")
		return parser

	def take_action(self, parsed_args):
		dip = self.demo_in_path()
		dtp = self.dsda_text_path()
		if not dtp.exists():
			command = [self.dsda]
			if shutil.which("xvfb-run") is not None:
				command = ["xvfb-run"] + command
			# TODO: negative tics should seek from the end, but this doesn't seem to work.
			subprocess.run(command + self.dsda_preamble() +
				["-fastdemo", dip, "-nosound", "-skiptic", "999999999", "-export_text_file"])
		editor = "nano"
		if "EDITOR" in os.environ:
			editor = os.environ["EDITOR"]
		subprocess.run([editor, dtp])
		if parsed_args.abbreviation:
			fh1 = parsed_args.abbreviation
			if not parsed_args.single:
				fh1 += self.map
		else:
			fh1 = self.wad[0:2] + self.map
			if parsed_args.single:
				fh1 = self.wad[0:min(len(self.wad), 4)]
		fh2 = ""
		with open(dtp, mode="r") as f:
			for line in f:
				if line[0:4] == "Time":
					m = re.search("[^0-9]*([0-9]*):([0-9]*).[0-9]*", line)
					if m is None:
						continue
					fh2 = m[1]+m[2]
					if len(fh2)%2==1:
						fh2 = "0" + fh2
					break
		if not fh2:
			sys.exit("Failed to match any line in {} against Time regex.".format(dtp))

		# TODO: demo names other than uv-max.
		fnf = fh1 + "-" + fh2 + ".zip"
		with zipfile.ZipFile(self.demos.joinpath(self.wad).joinpath(fnf), mode="w") as zf:
			zf.write(dip, arcname=dip.name)
			zf.write(dtp, arcname=dtp.name)