#!/bin/bash

main="/tmp/vinstall"
target="${main}/target"

. functions

target_phy_disk() {
	header "Choose target disk"
	local DISKS_DETAILS
	local output
	DISKS_DETAILS=$(lsblk -l -o KNAME,TYPE,SIZE,MODEL,WWN|grep disk)
	echo "$DISKS_DETAILS"
	input "which one?" "$(echo "$DISKS_DETAILS"|awk '{print $1}'|tr '\n' ' ')" "not found."
	TARGET_PHY_DISK="$output"
}

target_phy_id() {
	local i
	local f1
	local f2
	for i in $(find /dev/disk/by-id|grep -v part); do
		if realpath "$i" | grep -q -i "$TARGET_PHY_DISK"; then
			if echo "$i" | grep -q "wwn"; then
				TARGET_PHY_WWN="$i"
				f1=1
			fi
			if echo "$i" | grep -q -v "wwn"; then
				TARGET_PHY_ID="$i"
				f2=1
			fi
		fi
	done
	if [ "$f1" == "1" ] && [ "$f2" == "1" ]; then
		return 0
	else
		err "no id found"
	fi
}

use_efi() {
	if test -e /sys/firmware/efi; then
		EFI=1
	else
		EFI=0
	fi
}

encryption_style() {
	header "Choose encryption style"
	echo "implemented:"
	echo "a)keyfile in initramfs"						#bios: 1 uefi: 2
	echo "b)no encryption"								#bios: 1 uefi: 2
	echo "not implemented:"
	echo "c)no keyfile (double pw enter)"				#bios: 1 uefi: 2
	echo "d)keyfile on usb"								#bios: 1 uefi: ?
	echo "e)unencrypted boot"							#bios: 2 uefi: 2
	input "how to encrypt?" "a b c d e" "wrong input"
	ENCRYPTION_STYLE="$output"
}

partition() {
	if [ "$EFI" == "1" ]; then
		echo parted --script $TARGET_PHY_WWN 'mklabel gpt'
	else
		echo parted --script $TARGET_PHY_WWN 'mklabel msdos'
	fi
}

target_phy_disk
target_phy_id
use_efi
encryption_style