#! /usr/bin/python3
# Copyright (C) 2018-2023 Merspieler, merspieler _at_ airmail.cc
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

import os
from subprocess import run, Popen, STDOUT
import sys
import socket
import re
from time import sleep, strftime, time
import threading
import signal

from common import send_status, norm, get_south, get_west, get_east, get_north, get_area_name, api_send_status, api_get_job, api_get_options
import config

threads = 1
quiet = False
running = True

argc = len(sys.argv)
i = 1
first = 1
while i < argc:
	if sys.argv[i] == "-T" or sys.argv[i] == "--threads":
		i += 1
		threads = int(sys.argv[i])
	elif sys.argv[i] == "-q" or sys.argv[i] == "--quiet":
		quiet = True
	elif sys.argv[i] == "-h" or sys.argv[i] == "--help":
		print("usage:worldbuild.py [OPTIONS]")
		print("TODO")
		print("")
		print("  -T, --threads n  Number of concurent threads")
		print("  -q, --quiet      Don't print messages")
		print("")
		print("  -h, --help       Shows this help and exit")
		sys.exit(0)
	else:
		print("Unknown option " + sys.argv[i])
		sys.exit(1)
	i += 1

if config.api == None:
	print("Error: No API url given")
	sys.exit(1)

if config.api_token == None:
	print("Error: No API token given")
	sys.exit(1)

if threads < 1:
	print("Error: Invalid number of threads given")
	sys.exit(1)

run("mkdir -p logs", shell=True)

def processThread():
	global running
	while running:
		name = api_get_job(config.process_job_status, config.process_status_started, config.api, config.api_token, config.level)
		if name == None and running:
			sleep(60)
			continue
		options = api_get_options(name, config.api, config.api_token)
		cmd, status = config.get_command(name, options)
		# If config tells us a different status than we expect
		if status != config.process_status_started:
			api_send_status(name, status, config.api, config.api_token)
		if cmd != None:
			logpath = "logs/" + name + "/"
			run("mkdir -p " + logpath, shell=True)
			with open(logpath + name + "-" + strftime("%Y%m%d-%H%M") + ".log", "w") as log_file:
				build = Popen(cmd, stdout=log_file, stderr=STDOUT, shell=True, start_new_session=True)
		
			ret = build.wait()
			status = config.check_result(ret)
			api_send_status(name, status, config.api, config.api_token)


def exit(signal, frame):
	global running
	print("Stopping threads...")
	running = False
	for t in threadObjs:
		t.join()
	sys.exit(0)

signal.signal(signal.SIGINT, exit)
threadObjs = []
for i in range(0, threads):
	t = threading.Thread(target=processThread)
	t.start()
	threadObjs.append(t)

while True:
	sleep(315360000)