#!/bin/bash
echo "---------- Authors: ----------"
echo "Name: Jean Jacques Bagui"
echo "Email: jean-jacques.bagui@epitech.eu"
echo "------------------------------"

echo "> Loading (AZERTY) keys..."
loadkeys fr-latin1
echo "> Enabling auto time update via NTP..."
timedatectl set-ntp true
echo "> Setting timezone to Europe/Paris..."
timedatectl set-timezone Europe/Paris
echo "> Creating the volume group vg1..."
vgcreate vg1 /dev/vda2
echo "> Creating the logical volume for root (9GB)..."
lvcreate -L 9G -n root vg1
echo "> Creating the logical volume for home (5GB)..."
lvcreate -L 5G -n home vg1
echo "> Creating the logical volume for boot (400MB)..."
lvcreate -L 400M -n BOOT vg1
echo "> Creating the logical volume for swap (500MB)..."
lvcreate -L 500M -n swap vg1
echo "> Formatting the logical volume for boot to ext4..."
mkfs.ext4 /dev/vg1/boot
echo "> Formatting the logical volume for root to ext4..."
mkfs.ext4 /dev/vg1/root
echo "> Formatting the logical volume for home to ext4..."
mkfs.ext4 /dev/vg1/home
echo "> Formatting the logical volume for swap to ext4..."
mkswap /dev/vg1/swap
echo "> Enabling swap for Arch Linux..."
swapon /dev/vg1/SWAP
echo "> Mounting /root..."
mount /dev/vg1/root /mnt
echo "> Mounting /home..."
mkdir /mnt/home
mount /dev/vg1/home /mnt/home
echo "> Mounting /boot..."
mkdir /mnt/boot
mount /dev/vg1/boot /mnt/boot
echo "> Installing base-devel packages..."
pacstrap /mnt base-devel
echo "> Editing mkinitcpio.conf to be able to boot on LVM..."
wget -qO/mnt/etc/mkinitcpio.conf https://gist.githubusercontent.com/jacquesbagui/47893e6e69a9ebbb736685257c2810a8/raw/3fea7faf9558e14ea5d37a4e96cefd04bed861be/mkinitcpio.conf
chmod 644 /mnt/etc/mkinitcpio.conf
echo "> Generating fstab..."
genfstab -U /mnt >> /mnt/etc/fstab
echo "> Mounting /hostlvm (workaround for a lvm2 bug)..."
mkdir /mnt/hostlvm
mount --bind /run/lvm /mnt/hostlvm
echo "> Going in chroot into your new system. Downloading new script..."
wget -qO/mnt/root/arch_install_script_chroot.sh https://gist.githubusercontent.com/jacquesbagui/99f933fbb3fd8769d7fd83dbd30b19da/raw/dde523a0df5de21a05bf1a28b8500507c9e4555a/arch_install_script_chroot.sh
chmod 755 /mnt/root/arch_install_script_chroot.sh

arch-chroot /mnt /root/arch_install_script_chroot.sh

echo "> Deleting junk files..."
rm /mnt/root/arch_install_script_chroot.sh

echo "Done. Rebooting in 10 seconds..."
sleep 10
echo "> Rebooting..."
reboot