#!/usr/bin/env python3

'''
Shell scripting with python :
- https://www.freecodecamp.org/news/python-for-system-administration-tutorial
- https://github.com/ninjaaron/replacing-bash-scripting-with-python#if-the-shell-is-so-great-what-s-the-problem
- https://linuxize.com/post/python-get-change-current-working-directory
'''

DEBUG = False
#DEBUG = True
#print(DEBUG)


import sys
import os
from shutil import which
import subprocess



def run(command: str) :
    #print(command.split(' '))
    return subprocess.run(command.split(' '))
    #result = subprocess.run(command.split(' '), stdout=subprocess.PIPE, stderr=subprocess.PIPE)


# Guess Context (3 possibilities) : 
# - NO DOCKER, 
# or
# - DOCKER OUT of container, 
# or
# - or DOCKER IN container

WITH_DOCKER_IS_SET = False if os.getenv('WITH_DOCKER') is None else True
#print(WITH_DOCKER_IS_SET)


#APP_FOLDER=False
#[ -d ../app/ ] && APP_FOLDER=true
APP_FOLDER = os.path.exists('../app/')

VENV = os.path.exists('./venv/')

# test if docker is installed 
#[ -x "$(command -v docker)" ] && DOCKER_CMD=true
DOCKER_CMD = which('docker') is not None


# Pas utile vu qu'on va redémarrer systématiquement le container
# test if container is running
##DOCKER_CONTAINER_STARTED=false
##$DOCKER_CMD && [ $(docker ps | grep 'pyros' | wc -l) -eq 2 ] && DOCKER_CONTAINER_STARTED=true

#
# SYNTHESIS
#

#DOCKER=false
#[[ $VENV == false && $DOCKER_CMD == true ]] && DOCKER=true
DOCKER = DOCKER_CMD and not VENV

DOCKER_OUT_CONTAINER = DOCKER and not WITH_DOCKER_IS_SET
#[[ $DOCKER == false && $WITH_DOCKER_IS_SET == true ]] && DOCKER_IN_CONTAINER=true

if DEBUG :
	print(APP_FOLDER)
	print(VENV)
	print(DOCKER_CMD)
	#print(container)
	# Synthesis
	print(DOCKER)
	print(DOCKER_OUT_CONTAINER)

	print(sys.argv)
	exit(0)

# no container ? => start container first
#[ $container == false ] && cd docker/ && docker-compose up -d

args = sys.argv[1:]
args = ' '.join(args)
#print(args)

#PYROS_CMD = "python3 pyros.py --help"
#PYROS_CMD = "python3 pyros.py $*"
PYROS_CMD = "python3 pyros.py " + args
PYROS_CMD = PYROS_CMD.rstrip()

# DOCKER_OUT_CONTAINER true ? => docker exec
#docker exec -it pyros python3 pyros.py $*
#[ $DOCKER_OUT_CONTAINER == true ] && cd docker/ && docker-compose up -d && PREFIX='docker exec -it pyros'
if DOCKER_OUT_CONTAINER :
    #cd docker/
    os.chdir('docker') 
    #docker-compose up -d
    run('docker-compose up -d')
    PYROS_CMD = 'docker exec -it pyros ' + PYROS_CMD

#PYROS_CMD
print("\n Executing command :", PYROS_CMD, "\n")
res = run(PYROS_CMD)

'''
#Print the stdout and stderr
print()
print(result.args)
print()
print(result.stdout)
print()
print(result.stderr)
'''

 





'''
##########################
# Script BASH equivalent #
##########################

#!/usr/bin/env bash

DEBUG=true
DEBUG=false

# test if user passed a command as parameter
#if test $# -lt 1 ; then
    #echo "Missing command, use one of the commands below"
    #python3 pyros.py --help
    #exit 
#fi

# Guess Context : 
# - NO DOCKER, 
# or
# - DOCKER OUT of container, 
# or
# - or DOCKER IN container

WITH_DOCKER_IS_SET=true
[ -z $WITH_DOCKER ] && WITH_DOCKER_IS_SET=false

APP_FOLDER=false
[ -d ../app/ ] && APP_FOLDER=true

VENV=false
[ -d ./venv/ ] && VENV=true

# test if docker is installed 
DOCKER_CMD=false
[ -x "$(command -v docker)" ] && DOCKER_CMD=true


# test if container is running
DOCKER_CONTAINER_STARTED=false
$DOCKER_CMD && [ $(docker ps | grep 'pyros' | wc -l) -eq 2 ] && DOCKER_CONTAINER_STARTED=true

#
# SYNTHESIS
#

DOCKER=false
[[ $VENV == false && $DOCKER_CMD == true ]] && DOCKER=true

DOCKER_OUT_CONTAINER=false
[[ $DOCKER == true && $WITH_DOCKER_IS_SET == false ]] && DOCKER_OUT_CONTAINER=true
#[[ $DOCKER == false && $WITH_DOCKER_IS_SET == true ]] && DOCKER_IN_CONTAINER=true
	
if $DEBUG ; then
	echo $APP_FOLDER
	echo $VENV
	echo $DOCKER_CMD
	echo $container

	# Synthesis
	echo $DOCKER
	echo $DOCKER_OUT_CONTAINER

	exit
fi


# no container ? => start container first
#[ $container == false ] && cd docker/ && docker-compose up -d

# DOCKER_OUT_CONTAINER true ? docker exec
PREFIX=''
#docker exec -it pyros python3 pyros.py $*
[ $DOCKER_OUT_CONTAINER == true ] && cd docker/ && docker-compose up -d && PREFIX='docker exec -it pyros'

echo $PREFIX
$PREFIX python3 pyros.py $*

'''