#!/bin/bash

function error
{
  echo ""
  echo "    ========================================================================  "
  echo "  ((                      An Error has Been Encountered                     ))"
  echo "    ========================================================================  "
  echo ""
  echo ""
  echo "        In the most cases, some libraries are missing or cannot be found."
  echo "      Think to install the *-dev or *-devel packages of your distribution."
  echo "                     For example, if libmng cannot be found,"
  echo "  please check if libmng AND libmng-devel packages are installed on your system."
  echo "      See the reported errors to know which librarie need to be installed."
  echo ""
  echo $'\a' # Beep to avert user of the error
  exit 1
}

##echo "  ((                      An error has been encountered                     ))"
##echo "  ((654321 987654321 987654321 98765432  23456789 123456789 123456789 123456))"
##echo" ((654321 987654321 987654321 98765432  23456789 123456789 123456789 123456))"

clear
echo ""
echo "    ========================================================================  "
echo "  ((                    BasKet Note Pads Quick Installer                    ))"
echo "    ========================================================================  "
echo ""
echo ""
echo "              Welcome to the BasKet Note Pads installer assistant."
echo "             It will configure, build and install BasKet Note Pads."
echo ""
echo ""
echo "                             What do you want to do?"
echo ""
echo "  1/ Install BasKet Note Pads system wide (you will need the root password)"
echo "  2/ Install BasKet Note Pads in your user folder"
#echo "  3/ Uninstall BasKet Note Pads (you should not: it is so fantastic ;-) )"
echo ""

echo -n "Your choice (default is 1): "
read -n 1 WHAT_TO_DO
echo ""

if [ "_$WHAT_TO_DO" == "_2" ]; then
  SYS_WIDE=0
  WHAT_TO_DO=2 # To transform it from string to int
else
#  if [ $WHAT_TO_DO == 3 ]; then
#    SYS_WIDE=1
#  else  # [ WHAT_TO_DO == 1 ] or default
    SYS_WIDE=1
    WHAT_TO_DO=1 # If user entered another number than those he should
#  fi
fi

if [ $SYS_WIDE == 0 ]; then
  prefix=`kde-config --localprefix --expandvars`
else
  prefix=`kde-config --prefix --expandvars`
fi

# Uninstall of BasKet:
if [ $WHAT_TO_DO == 3 ]; then
  # Search installed basket:
  prefix=`kde-config --localprefix --expandvars` # First loacally
  if [ -f $prefix/bin/basket ]; then
    SYS_WIDE=0
  else
    prefix=`kde-config --prefix --expandvars`    # And then system wide
    if [ -f $prefix/bin/basket ]; then
      SYS_WIDE=1
    else
      echo "BasKet Note Pads does not seem to be installed."
      exit 1
    fi
  fi
  # TODO: Also definitively remove your baskets?
  # At this stage, SYS_WIDE and prefix are set and uninstall can begin:
  if [ $SYS_WIDE == 1 ]; then
    su
    make uninstall || ./configure --prefix=$prefix && make uninstall
    logout
  else
    make uninstall || ./configure --prefix=$prefix && make uninstall
  fi
  exit 0
fi

appVersion=$(cat basket.spec | grep "%define version " | cut -d " " -f 3)
isDevel=$(echo "$appVersion" | grep -i -E "(alpha|beta|pre|rc|svn)")

clear
echo ""
echo "    ========================================================================  "
echo "  ((                    BasKet Note Pads Quick Installer                    ))"
echo "    ========================================================================  "
echo ""
echo ""
echo ""
echo ""
echo "      If you do not know what they are, you can ignore errors or warnings."
echo ""
echo "                      The process can take several minutes."
echo "                  A beep will notify you when it will be done."
echo "                              Press ENTER to start."
echo ""
echo ""

read -s -n 1 # read 1 character without echo, ended by ENTER

if [ ! -e configure ]; then
  clear
  echo ""
  echo "    ========================================================================  "
  echo "  ((                          Preparation from SVN                          ))"
  echo "    ========================================================================  "
  echo ""
  echo ""

  echo "make -f Makefile.cvs"
  make -f Makefile.cvs || error
fi

clear
echo ""
echo "    ========================================================================  "
echo "  ((                       Step 1 / 3 : Configuration                       ))"
echo "    ========================================================================  "
echo ""
echo ""

if [ "_$isDevel" == "_" ]; then
  echo "./configure --prefix=$prefix"
  ./configure --prefix=$prefix || error
else
  echo "./configure --enable-debug=full --prefix=$prefix"
  ./configure --enable-debug=full --prefix=$prefix || error
fi

clear
echo ""
echo "    ========================================================================  "
echo "  ((                        Step 2 / 3 : Compilation                        ))"
echo "    ========================================================================  "
echo ""
echo ""

echo "make"
make || error

clear
echo ""
echo "    ========================================================================  "
echo "  ((                        Step 3 / 3 : Installation                       ))"
echo "    ========================================================================  "
echo ""
echo ""
echo "                 The application has successfuly been compiled."
echo ""
echo ""

echo $'\a' # Beep to avert user the configuration/compilation is ended and he must act to enter the password

if [ "_$SYS_WIDE" == "_n" ]; then
  # First make the bin folder to not copy basket file to bin file if bin/ doesn't exist
  mkdir $prefix/bin
  make install
else
  echo "            Please now enter the root password in order to install "
  echo "                        BasKet Note Pads on the system."
  echo ""
  sudo make install || exit 1
  echo ""
  echo ""
fi

clear
echo ""
echo "    ========================================================================  "
echo "  ((                  End of BasKet Note Pads Installation                  ))"
echo "    ========================================================================  "
echo ""
echo ""
echo "                    Do you want to run BasKet Note Pads now?"
echo "       If an older version is currently running it will be exited before."
echo ""
echo "   Notice that you willn't have to exit BasKet : it will be restored each time"
echo "                               you log in to KDE."
echo ""
echo ""

echo -n "Start or restart BasKet Note Pads? [y/n] (default is y): "
read -n 1 RESTART
if [ "_$RESTART" != "_" ]; then # If pressed Enter, a new line was already print
  echo ""
fi

if [ "_$RESTART" != "_n" ]; then
  # Get the pid of the process basket, if currently running
  pid=`ps aux | awk '$11 == "basket" { print $2 }'`
  if [ "_$pid" == "_" ]; then
    dummy=0
  else
    kill -s SIGTERM $pid
  fi

  if [ "_$SYS_WIDE" == "_n" ]; then
    echo "$prefix/bin/basket"
    $prefix/bin/basket
  else
    echo "basket"
    basket
  fi
fi

clear
echo ""
echo "    ========================================================================  "
echo "  ((   Congratulation: BasKet Note Pads is now Installed onto your System   ))"
echo "    ========================================================================  "
echo ""
echo ""
echo "   In the future, if you want to uninstall BasKet Note Pads, you will have to"
if [ "_$SYS_WIDE" == "_n" ]; then
  echo "                enter the command make uninstall in this folder."
else
  echo "            enter the command su -c 'make uninstall' in this folder."
fi
echo ""
echo ""