"""
This module implements the `se join-words` command.
"""

import argparse
import glob
import shutil
import subprocess
import git

import se


def join_words() -> int:
	"""
	Entry point for `se join-words`
	"""

	parser = argparse.ArgumentParser(description="Call interactive-sr for the two-word phrase passed in as one word and commit the changes with the appropriate message.")
	parser.add_argument("word", metavar="WORD", help="The single-word version of one of the two-word phrases to be joined; use `words` to get a list of the words to process.")
	parser.add_argument("-n", "--nocommit", action="store_true", help="Do not perform a `git commit` after the interactive replacements are finished.")
	args = parser.parse_args()

	# Check for required utilities
	vim_path = shutil.which("vim")

	if vim_path is None:
		se.print_error("Couldn’t locate vim. Is it installed?")
		return se.MissingDependencyException.code

	regex = {}
	commitmsg = {}
	do_commit = not args.nocommit
	files = r'src/epub/text/*'

	regex['someone'] = r'/\v([Ss])ome one/\1omeone/'
	regex['anyone'] = r'/\v(<[Aa])ny one/\1nyone/'
	regex['everyone'] = r'/\v([Ee])very one(\s+of)@\!/\1veryone/'
	regex['everything'] = r'/\v([Ee])very thing/\1verything/'
	regex['anything'] = r'/\v(<[Aa])ny thing/\1nything/'
	regex['forever'] = r'/\v([Ff])or ever(>)/\1orever\2/'
	regex['anyway'] = r'/\v(in\s+)@<\!(<[Aa])ny way/\2nyway/'
	regex['yourself'] = r'/\v([Yy])our self/\1ourself/'
	regex['meantime'] = r'/\v([Mm])ean time/\1eantime/'
	regex['anyhow'] = r'/\v([Aa])ny how/\1nyhow/'
	regex['anybody'] = r'/\v([Aa])ny body/\1nybody/'
	regex['everybody'] = r'/\v([Ee])very body/\1verybody/'
	regex['shortcut'] = r'/\v([Ss])hort cut/\1hortcut/'
	regex['meanwhile'] = r'/\v([Mm])ean while/\1eanwhile/'

	commitmsg['someone'] = '[Editorial] some one -> someone'
	commitmsg['anyone'] = '[Editorial] any one -> anyone'
	commitmsg['everyone'] = '[Editorial] every one -> everyone'
	commitmsg['everything'] = '[Editorial] every thing -> everything'
	commitmsg['anything'] = '[Editorial] any thing -> anything'
	commitmsg['forever'] = '[Editorial] for ever -> forever'
	commitmsg['anyway'] = '[Editorial] any way -> anyway'
	commitmsg['yourself'] = '[Editorial] your self -> yourself'
	commitmsg['meantime'] = '[Editorial] mean time -> meantime'
	commitmsg['anyhow'] = '[Editorial] any how -> anyhow'
	commitmsg['anybody'] = '[Editorial] any body -> anybody'
	commitmsg['everybody'] = '[Editorial] every body -> everybody'
	commitmsg['shortcut'] = '[Editorial] short cut -> shortcut'
	commitmsg['meanwhile'] = '[Editorial] mean while -> meanwhile'

	if args.word == "words":
		for word in regex:
			print(word)
	elif args.word in regex:
		# same call that interactive-sr makes
		targets = glob.glob(files)
		subprocess.call([vim_path, "+silent set title", f"+silent bufdo set eventignore-=Syntax | %s{regex[args.word]}gce | silent update", "+silent qa"] + targets)
		git_command = git.cmd.Git("src/epub/text/")
		if "nothing to commit" in git_command.status():
			print(f"No occurrences of '{args.word}' were found or changed")
		elif do_commit:
			git_command.commit("-am " + commitmsg[args.word])
	else:
		se.print_error(f"Unsupported word '{args.word}'")

	return 0