#!/bin/bash


# Arch Linux Desktop Install (archdi)
# -----------------------------------
# author    : MatMoul
#             https://github.com/MatMoul
#             http://sourceforge.net/u/matmoul
# project   : https://github.com/MatMoul/archdi
#             http://sourceforge.net/projects/archdi/
# license   : GPLv3 (http://opensource.org/licenses/GPL-3.0)



apptitle="Arch Linux Desktop Install (archdi) - Version: 2015.04.26.22.14.52 (GPLv3)"
cachedir=~/.cache/archdi

liburl=https://raw.githubusercontent.com/MatMoul/archdi-pkg/master/lib
#liburl=http://archdi.sourceforge.net/archdi/archdi-lib

#lastversionurl=https://raw.githubusercontent.com/MatMoul/archdi/NewCodeStructure/version
#lastversionurl=https://raw.githubusercontent.com/MatMoul/archdi/master/version
#lastversionurl=http://archdi.sourceforge.net/archdi/version
#version="2015.04.26.22.14.52"



help(){
  echo "-h | --help    : this screen"
  echo "-i | --install : install"
  echo "no args        : start setup"
}

install(){
  dependencies
  echo "Install $apptitle ..."
  echo ""
  chmod 755 $0 2>/dev/null
  mv $0 /usr/bin/archdi 2>/dev/null
  echo ""
  echo "$apptitle is installed."
  echo "type archdi to start."
}

run(){
  dependencies
  rm -R $cachedir 2>/dev/null
  mkdir -p $cachedir 2>/dev/null
  cd $cachedir 2>/dev/null
  wget -O lib $liburl 2>/dev/null
  chmod 755 lib 2>/dev/null
  if [ "$chrootoption" = "true" ]; then
    ./lib --chroot
  else
    ./lib --root
  fi
  cd 2>/dev/null
  rm -R $cachedir 2>/dev/null
}

dependencies(){
  needinstall="false"
  clear
  echo "Checking internet and server connexion ..."
  if (curl $liburl 1>/dev/null 2>/dev/null) then
    echo "Connexion OK."
  else
    echo "No connexion, please check your internet connexion !"
    exit 1
  fi
  echo ""
  echo "Checking $apptitle dependencies :"
  echo ""
  if [ -e /usr/bin/wget ]; then
    echo "wget : installed"
  else
    echo "wget : not installed"
    needinstall="true"
  fi
  if [ -e /usr/bin/whiptail ]; then
    echo "libnewt : installed"
  else
    echo "libnewt : not installed"
    needinstall="true"
  fi
  if [ "$needinstall" = "true" ]; then
    echo ""
    echo "Install missing dependencies ?"
    while read -n1 -p "[Y/N] :" -s yesno; do
      if [[ $yesno = [YyNn] ]]; then
        [[ $yesno = [Yy] ]] && yesno=1
        [[ $yesno = [Nn] ]] && yesno=0
        break
      fi
      echo ""
    done    
    echo ""
    if [ $yesno = 1 ]; then
      pacman -S --needed wget libnewt
    else
      exit 1
    fi
  fi
  echo ""
  echo "Checking bin version..."
  #chkupgrade
}

chkupgrade(){
  if [ -f "/usr/bin/archdi" ]; then
    chkver=$version
    #chkver=$(curl archdi.sourceforge.net/archdi/version)
    if [ ! "$version" = "$chkver" ]; then
      if (whiptail --backtitle "$apptitle" --yesno "New version found !\n\nInstall last version ?" 0 0) then
        cd /tmp
        wget archdi.sourceforge.net/archdi
        sh archdi -i
        exit 0
      fi
    fi
  fi
}

while (( "$#" )); do
  case $1 in
    -h|--help) help
               exit 0;;
    -i|--install) install
                  exit 0;;
    #--rc) isrc=true
    #      liburl=$liburl-rc;;
    --chroot) chrootoption="true";;
  esac
  shift
done

run