#!/usr/bin/env python
# usage: txtmerge.py <input_dir> <output_file_name>
# does the exact opposite of txtsplit.py

import os
import sys
import io
import xml.etree.ElementTree as ET

assert len(sys.argv) == 3, "usage:\ntxtmerge.py <input_dir> <output_file_name>"
idir = str(sys.argv[1])
oname = str(sys.argv[2])

# read the project xml file first
# let's do this later in order to implement directory structure
tree = ET.parse('glife.qproj')
root = tree.getroot()


ofile = io.open(oname, 'w', encoding='utf-16', newline='\r\n')

for location in root.iter('Location'):
	iname = location.attrib['name']
	iname = iname.replace("$","_")

	try:
		ifile = io.open(os.path.join(idir,iname + '.qsrc'), 'rt', encoding='utf-8')
		text = ifile.readline()
		locname = text.strip('#').strip()
		text += u"if arrpos('$trace_locations', '{0}') > -1:\n".format(locname)
		text += u"	copyarr '$trace_args', '$ARGS'\n"
		text += u"	copyarr 'trace_args', 'ARGS'\n"
		text += u"	gs 'debug_tools', 'trace', 'direct', '{0}'\n".format(locname)
		text += u"end\n"
		text += ifile.read()

		# make sure there's a line at the end of file
		# (why wouldn't there be one? WINDOWS!
		if text[-1] != u'\n':
			text += u'\n\n'

		ofile.write(text)
		ifile.close()
	except IOError:
		print("WARNING: missing location %s" % iname)
		pass

import subprocess
git_hash = ''
try:
	git = subprocess.run(["git", "-C", idir, "rev-parse", "--short=10", "HEAD"], capture_output=True, encoding='utf-8')
except:
	pass
else:
	git_hash = git.stdout.strip()

import datetime as dt
ofile.write(u"#addbuilddate" + '\n')
ofile.write(str(dt.datetime.now(dt.UTC).strftime("$builddate = '%d %B %Y, %H:%M %Z'")) + '\n')
if git_hash != '':
	ofile.write(u"$git_hash = '" + git_hash + "'\n")
ofile.write(u"--- addbuilddate ---------------------------------" + '\n')

ofile.close()