#!/bin/sh

: ${DIALOG_OK=0}
: ${DIALOG_CANCEL=1}
: ${DIALOG_HELP=2}
: ${DIALOG_EXTRA=3}
: ${DIALOG_ITEM_HELP=4}
: ${DIALOG_ESC=255}

DIALOG=dialog

CONFIG_VARS="DATABASE_URI"

set_env_var () {
  exec 3>&1
  source .env
  load_config
  local value=$($DIALOG \
    --backtitle "Configuration" \
    --title $1 \
    --inputbox "Veuillez insérez la nouvelle valeur de la variable ${1}:" \
    0 0 \
    ${!1} \
    2>&1 1>&3)
  local exit_status=$?
  exec 3>&-
  close $exit_status
  export $1=$value
  save_config
}

close () {
  case $1 in
    $DIALOG_CANCEL)
      exit;;
    $DIALOG_ESC)
      exit;;
  esac
}

load_config () {
  source .env
}

save_config () {
  export -p | grep -E "(${CONFIG_VARS})=" > .env
}

bdd_config () {
  exec 3>&1
  local selection=$($DIALOG \
    --backtitle "Base de donnée" \
    --menu "Que souhaitez vous faire?" \
    0 0 0 \
    "1" "manage db init" \
    "2" "manage db migrate" \
    "3" "manage db upgrade" \
    2>&1 1>&3)
  local exit_status=$?
  exec 3>&-
  close $exit_status
  source .env
  case $selection in
    1)
      pipenv run python manage.py db init;;
    2)
      pipenv run python manage.py db migrate;;
    3)
      pipenv run python manage.py db upgrade;;
  esac
}

add_super_admin () {
  exec 3>&1
  local utilisateur=$($DIALOG \
    --backtitle "Utilitaires" \
    --title "Administrateurs" \
    --inputbox "Entrez le mail de l'utilisateur que vous voulez passer en superadministrateur" \
    0 0 \
    "" \
    2>&1 1>&3)
  local exit_status=$?
  exec 3>&-
  close $exit_status
  source .env
  pipenv run python manage.py set_superadmin -m "${utilisateur}"
  exit
}

configuration () {
  exec 3>&1
  local selection=$($DIALOG \
    --backtitle "Configuration" \
    --menu "Quelle variable modifier?" \
    0 0 0 \
    "1" "DATABASE_URI" \
    2>&1 1>&3)
  exit_status=$?
  exec 3>&-
  close $exit_status
  case $selection in
    1)
      set_env_var "DATABASE_URI";;
  esac
}

utilitaires () {
  exec 3>&1
  selection=$($DIALOG \
    --backtitle "Utilitaires" \
    --menu "Que voulez vous faire?" \
    0 0 0 \
    "1" "Ajouter un superadministrateur" \
    "2" "Installation de pipenv" \
    2>&1 1>&3)
  exit_status=$?
  exec 3>&-
  close $exit_status
  case $selection in
    1)
      add_super_admin;;
    2)
      pipenv install;;
  esac
}

while true; do
  exec 3>&1
  selection=$($DIALOG \
     --backtitle "Configuration" \
     --menu "Que souhaitez vous faire?" \
     0 0 0 \
     "1" "Gestion de la base de donnée" \
     "2" "Configuration" \
     "3" "Utilitaires" \
     "4" "Démarre le serveur" \
     "5" "Quitter" \
     2>&1 1>&3)
  exit_status=$?
  exec 3>&-
  close $exit_status
  case $selection in
    1)
      bdd_config;;
    2)
      configuration;;
    3)
      utilitaires;;
    4)
      source .env
      pipenv run gunicorn --bind 0.0.0.0:5000 wsgy;;
    5)
      exit;;
  esac
done