#!/bin/bash

LANCEMENT_HEURE_DEBUT=15
LANCEMENT_HEURE_FIN=16
ARRET_HEURE_DEBUT=16
ARRET_HEURE_FIN=17
SCRIPT_NAME="pysoul/pysoul.py"
SIGNAL_TO_KILL=1
USERS=("benais_w"  "desmar_s"  "devaux_a"  "ghanay"  "lacroi_t" "nassim_a"  "pillet_c"  "seguin_s")
SLEEP_TIME=1 # minutes


function runScript(){
      local lUSER="${1}"
      local lSCRIPTNAME="python /home/${lUSER}/${SCRIPT_NAME}"
      if [ $(ps aux | grep -v grep | grep "${lSCRIPTNAME}" | grep "${lUSER}" | wc -l) -eq 0 ]; then
	  echo "[+] launching script ${lSCRIPTNAME} with UID ${lUSER}"
	  su "${lUSER}" -c "${lSCRIPTNAME} &> /dev/null &"
      else
	  echo "[-] script ${lSCRIPTNAME} already launched with UID ${lUSER}"
      fi
}


function killScript(){
      local lUSER="${1}"
      local lSCRIPTNAME="/home/${lUSER}/${SCRIPT_NAME}"
      if [ $(ps aux | grep -v grep | grep "${lSCRIPTNAME}" | wc -l) -eq 0 ]; then
	  echo "[-] script ${lSCRIPTNAME} not launched with UID ${lUSER}"
      else
	  echo "[+] killing script ${lSCRIPTNAME} with UID ${USER}"
	  local lPID=$(ps aux | grep -v grep | grep "${lUSER}" | grep "${lSCRIPTNAME}" | awk '{print $2}')
	  kill -${SIGNAL_TO_KILL} ${lPID}
      fi
}




echo "[+] ${0} started with ${#USERS[@]} users to handle"

IDX=0
while [ true ]; do
    HEURE_COURANTE=$(date +'%H')
    if [ ${HEURE_COURANTE} -ge ${LANCEMENT_HEURE_DEBUT} -a ${HEURE_COURANTE} -le ${LANCEMENT_HEURE_FIN} ]; then
	runScript "${USERS[${IDX}]}"
    fi


    if [ ${HEURE_COURANTE} -ge ${ARRET_HEURE_DEBUT} -a ${HEURE_COURANTE} -le ${ARRET_HEURE_FIN} ]; then
	killScript "${USERS[${IDX}]}"
    fi

    echo "[+] sleeping ${SLEEP_TIME} minute(s)..."
    sleep $(( 60 * ${SLEEP_TIME} )) # 1 minute

    IDX=$(( ${IDX} + 1 ))
    if [ ${IDX} -ge ${#USERS[@]}  ]; then
	IDX=0
    fi

done


exit 0