#!/usr/bin/python3

import os
import sys
import codecs

if len(sys.argv) < 3:
	print(f'Usage:\n{sys.argv[0]} venvname')
	sys.exit(1)

user = os.getlogin()
home = os.environ.get('HOME')
try:
	os.mkdir(f'{home}/ve')
except:
	pass

venv = sys.argv[1]
port = int(sys.argv[2])
if not os.path.exists(f'{home}/{venv}'):
	os.system(f'python3 -m venv ~/{venv}')
pwd = os.getcwd()
name = os.path.basename(pwd)
if os.path.exists(f'./app/{name}.py'):
	print('env exists')
	sys.exit(1)

dirs = f'./app ./conf ./files ./wwwroot ./script ./logs'.split(' ')
for d in dirs:
	try:
		os.mkdir(d)
	except:
		pass
files=f'app/{name}.py conf/config.json files/README.md wwwroot/index.dspy'.split(' ')
for f in files:
	os.system(f'touch {f}')

service = f"""[Unit]
Description={name} service
Wants=systemd-networkd.service
Requires=nginx.service

[Service]
Type=forking
ExecStart=su - {user} -c "{pwd}/script/{name}.sh"
ExecStop=su - ymq "{home}/bin/killname {name}.py"
[Install]
WantedBy=multi-user.target
"""

with codecs.open(f'./script/{name}.service', 'w', 'utf-8') as f:
	f.write(service)

with codecs.open(f'./script/{name}.sh', 'w', 'utf-8') as f:
	f.write(f"""#!/usr/bin/bash

killname {pwd}/app/{name}.py
{home}/{venv}/bin/python {pwd}/app/{name}.py -w {pwd} > {pwd}/logs/stderr.log 2>&1 &
exit 0
""")

with codecs.open(f'./script/install.sh', 'w', 'utf-8') as f:
	f.write(f"""#!/usr/bin/bash
sudo cp {name}.service /etc/systemd/system
sudo systemctl enable {name}.service
sudo systemctl start {name}
""")

if not os.path.exists(f'{home}/bin'):
	os.mkdir(f'{home}/bin')
if not os.path.exists(f'{home}/bin/killname'):
	with codecs.open(f'{home}/bin/killname', 'w', 'utf-8') as f:
		f.write("""#!/usr/bin/bash

ps -ef|grep "$1"|grep -v grep|awk '{print("kill -9", $2)}'|sh
""")
os.system(f'chmod +x {pwd}/bin/*')
os.system(f'{pwd}/script/install.sh')