#!/usr/bin/env bash

function setup(){
	echo "Installation setup"
	echo "List of partition :"
	parted -l
	read -p "Select disk where install Archlinux : " -i "/dev/sd" -e DISK
  	read -p "Type a username for basic user : " -e USERNAME
  	read -p "Type a hostname for computers name : " -e HOSTNAME

  	while [[ -z ${ANSWER} ]]; do
    read -p "Install on virtualbox ? [Y or N] " response
    case $response in
        [yY])
          local ANSWER=true
          VIRTUALBOX=true
            ;;
        [nN])
          local ANSWER=true
          VIRTUALBOX=false
          ;;
        *)
          echo "not a valid response"
            ;;
    esac
  done
  unset ANSWER
  unset response

  if [[ -e ${DISK} ]]; then #Test if the choosen disk exist
    while [ -z ${YN} ]
    do
      read -p "$(warning Are you okay with this? It will erase EVERYTHING in this disk and you will not be able to change the password. [y/N]) " response
      case $response in
          [yY][eE][sS][oO]|[yY])
            local YN=true

            echo "Creating partition"
            create_partitions
            echo "Partition created OK"

            echo "Make file system"
            mkfs_partitions
            echo "MKFS OK"

            echo "Mounting FileSystem"
            mount_fs
            echo "FileSystem mounted sucessful"

            info "Preparing boot"
            prepare_boot
            info "Boot prepared sucessful"

            info "Installing base"
            install_base
            info "Base installed sucessful"

            info "Generate fstab"
            generate_fstab
            info "fstab generated sucessful"

            info 'Chrooting into installed system to continue setup...'
            prepare_chroot
              ;;
          [nN])
            local YN=true
            info "Okay... Good Bye !"
            exit 0
            ;;
          *)
            echo "Mmmmh... don't understand, only Y or N are authorized. And I'm sure you can do it. "
              ;;
      esac
    done

}

function print_param(){
	echo "Disk : ${DISK}"
  	echo "Username : ${USERNAME}"
  	echo "Hostname : ${HOSTNAME}"
  	echo "Password : ${PASSWORD}"
  	echo "VIRTUALBOX : ${VIRTUALBOX}"
}


# to call before mount_fs
function mkfs_partitions(){
    mkfs.ext2 ${DISK}1
    mkfs.ext4 ${DISK}2
    mkfs.ext4 ${DISK}3


}

function mount_fs(){

  mount /dev/sda2 /mnt
  mkdir /mnt/boot
  mount /dev/sda1 /mnt/boot
  mkdir /mnt/home
  mount /dev/sda3 /mnt/home

}