#!/usr/bin/env bash

# Copyright (c) 2021-2026 community-scripts ORG
# Author: Agent-Fennec
# License: MIT | https://github.com/community-scripts/ProxmoxVED/raw/main/LICENSE

COMMUNITY_SCRIPTS_URL="${COMMUNITY_SCRIPTS_URL:-https://git.community-scripts.org/community-scripts/ProxmoxVED/raw/branch/main}"
source <(curl -fsSL "$COMMUNITY_SCRIPTS_URL/misc/api.func")
source <(curl -fsSL "$COMMUNITY_SCRIPTS_URL/misc/vm-core.func")
source <(curl -fsSL "$COMMUNITY_SCRIPTS_URL/misc/cloud-init.func") || true
load_functions

APP="AlmaLinux 10 VM"
APP_TYPE="vm"
NSAPP="almalinux10vm"
var_os="almalinux"
var_version="10"

GEN_MAC=02:$(openssl rand -hex 5 | awk '{print toupper($0)}' | sed 's/\(..\)/\1:/g; s/.$//')
RANDOM_UUID="$(cat /proc/sys/kernel/random/uuid)"
METHOD=""
THIN="discard=on,ssd=1,"

set -e
trap 'error_handler $LINENO "$BASH_COMMAND"' ERR
trap cleanup EXIT
trap 'post_update_to_api "failed" "INTERRUPTED"' SIGINT
trap 'post_update_to_api "failed" "TERMINATED"' SIGTERM

function error_handler() {
  local exit_code="$?"
  local line_number="$1"
  local command="$2"
  local error_message="${RD}[ERROR]${CL} in line ${RD}$line_number${CL}: exit code ${RD}$exit_code${CL}: while executing command ${YW}$command${CL}"
  post_update_to_api "failed" "${command}"
  echo -e "\n$error_message\n"
  cleanup_vmid
}

TEMP_DIR=$(mktemp -d)
pushd "$TEMP_DIR" >/dev/null
if whiptail --backtitle "Proxmox VE Helper Scripts" --title "AlmaLinux 10 VM" --yesno "This will create a New AlmaLinux 10 VM. Proceed?" 10 58; then
  :
else
  header_info && exit_script
fi

function default_settings() {
  configure_cloudinit_ssh_keys || true
  VMID=$(get_valid_nextid)
  FORMAT=""
  MACHINE=" -machine q35"
  DISK_SIZE="10G"
  DISK_CACHE=""
  HN="almalinux"
  CPU_TYPE=" -cpu x86-64-v3"
  CORE_COUNT="2"
  RAM_SIZE="2048"
  BRG="vmbr0"
  MAC="$GEN_MAC"
  VLAN=""
  MTU=""
  START_VM="no"
  METHOD="default"
  echo -e "${CONTAINERID}${BOLD}${DGN}Virtual Machine ID: ${BGN}${VMID}${CL}"
  echo -e "${CONTAINERTYPE}${BOLD}${DGN}Machine Type: ${BGN}q35${CL}"
  echo -e "${DISKSIZE}${BOLD}${DGN}Disk Size: ${BGN}${DISK_SIZE}${CL}"
  echo -e "${DISKSIZE}${BOLD}${DGN}Disk Cache: ${BGN}None${CL}"
  echo -e "${HOSTNAME}${BOLD}${DGN}Hostname: ${BGN}${HN}${CL}"
  echo -e "${OS}${BOLD}${DGN}CPU Model: ${BGN}x86-64-v3${CL}"
  echo -e "${CPUCORE}${BOLD}${DGN}CPU Cores: ${BGN}${CORE_COUNT}${CL}"
  echo -e "${RAMSIZE}${BOLD}${DGN}RAM Size: ${BGN}${RAM_SIZE}${CL}"
  echo -e "${BRIDGE}${BOLD}${DGN}Bridge: ${BGN}${BRG}${CL}"
  echo -e "${MACADDRESS}${BOLD}${DGN}MAC Address: ${BGN}${MAC}${CL}"
  echo -e "${VLANTAG}${BOLD}${DGN}VLAN: ${BGN}Default${CL}"
  echo -e "${DEFAULT}${BOLD}${DGN}Interface MTU Size: ${BGN}Default${CL}"
  echo -e "${GATEWAY}${BOLD}${DGN}Start VM when completed: ${BGN}no${CL}"
  echo -e "${CREATING}${BOLD}${DGN}Creating an AlmaLinux 10 VM using the above default settings${CL}"
}

function advanced_settings() {
  METHOD="advanced"
  [ -z "${VMID:-}" ] && VMID=$(get_valid_nextid)
  while true; do
    if VMID=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set Virtual Machine ID" 8 58 "$VMID" --title "VIRTUAL MACHINE ID" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
      if [ -z "$VMID" ]; then
        VMID=$(get_valid_nextid)
      fi
      if pct status "$VMID" &>/dev/null || qm status "$VMID" &>/dev/null; then
        echo -e "${CROSS}${RD} ID $VMID is already in use${CL}"
        sleep 2
        continue
      fi
      echo -e "${CONTAINERID}${BOLD}${DGN}Virtual Machine ID: ${BGN}$VMID${CL}"
      break
    else
      exit_script
    fi
  done

  if MACH=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "MACHINE TYPE" --radiolist --cancel-button Exit-Script "Choose Type" 10 58 2 \
    "q35" "Machine q35" ON \
    "i440fx" "Machine i440fx" OFF \
    3>&1 1>&2 2>&3); then
    if [ "$MACH" = i440fx ]; then
      echo -e "${CONTAINERTYPE}${BOLD}${DGN}Machine Type: ${BGN}$MACH${CL}"
      FORMAT=",efitype=4m"
      MACHINE=""
    else
      echo -e "${CONTAINERTYPE}${BOLD}${DGN}Machine Type: ${BGN}$MACH${CL}"
      FORMAT=""
      MACHINE=" -machine q35"
    fi
  else
    exit_script
  fi

  if DISK_SIZE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set Disk Size in GiB (e.g., 10, 20)" 8 58 "10" --title "DISK SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
    DISK_SIZE=$(echo "$DISK_SIZE" | tr -d ' ')
    if [[ "$DISK_SIZE" =~ ^[0-9]+$ ]]; then
      DISK_SIZE="${DISK_SIZE}G"
      echo -e "${DISKSIZE}${BOLD}${DGN}Disk Size: ${BGN}$DISK_SIZE${CL}"
    elif [[ "$DISK_SIZE" =~ ^[0-9]+G$ ]]; then
      echo -e "${DISKSIZE}${BOLD}${DGN}Disk Size: ${BGN}$DISK_SIZE${CL}"
    else
      echo -e "${DISKSIZE}${BOLD}${RD}Invalid Disk Size. Please use a number (e.g., 10 or 10G).${CL}"
      exit_script
    fi
  else
    exit_script
  fi

  if DISK_CACHE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "DISK CACHE" --radiolist "Choose" --cancel-button Exit-Script 10 58 2 \
    "0" "None (Default)" ON \
    "1" "Write Through" OFF \
    3>&1 1>&2 2>&3); then
    if [ "$DISK_CACHE" = "1" ]; then
      echo -e "${DISKSIZE}${BOLD}${DGN}Disk Cache: ${BGN}Write Through${CL}"
      DISK_CACHE="cache=writethrough,"
    else
      echo -e "${DISKSIZE}${BOLD}${DGN}Disk Cache: ${BGN}None${CL}"
      DISK_CACHE=""
    fi
  else
    exit_script
  fi

  if VM_NAME=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set Hostname" 8 58 almalinux --title "HOSTNAME" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
    if [ -z "$VM_NAME" ]; then
      HN="almalinux"
    else
      HN=$(echo "${VM_NAME,,}" | tr -cs 'a-z0-9-' '-' | sed 's/^-//;s/-$//')
    fi
    echo -e "${HOSTNAME}${BOLD}${DGN}Hostname: ${BGN}$HN${CL}"
  else
    exit_script
  fi

  if CPU_TYPE1=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "CPU MODEL" --radiolist "Choose" --cancel-button Exit-Script 10 58 2 \
    "0" "x86-64-v3 (Default, required for AlmaLinux 10)" ON \
    "1" "Host" OFF \
    3>&1 1>&2 2>&3); then
    if [ "$CPU_TYPE1" = "1" ]; then
      echo -e "${OS}${BOLD}${DGN}CPU Model: ${BGN}Host${CL}"
      CPU_TYPE=" -cpu host"
    else
      echo -e "${OS}${BOLD}${DGN}CPU Model: ${BGN}x86-64-v3${CL}"
      CPU_TYPE=" -cpu x86-64-v3"
    fi
  else
    exit_script
  fi

  while true; do
    if CORE_COUNT=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Allocate CPU Cores" 8 58 2 --title "CORE COUNT" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
      if [ -z "$CORE_COUNT" ]; then CORE_COUNT="2"; fi
      if [[ "$CORE_COUNT" =~ ^[1-9][0-9]*$ ]]; then
        echo -e "${CPUCORE}${BOLD}${DGN}CPU Cores: ${BGN}$CORE_COUNT${CL}"
        break
      fi
      whiptail --backtitle "Proxmox VE Helper Scripts" --title "INVALID INPUT" --msgbox "CPU Cores must be a positive integer (e.g., 2)." 8 58
    else
      exit_script
    fi
  done

  while true; do
    if RAM_SIZE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Allocate RAM in MiB" 8 58 2048 --title "RAM" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
      if [ -z "$RAM_SIZE" ]; then RAM_SIZE="2048"; fi
      if [[ "$RAM_SIZE" =~ ^[1-9][0-9]*$ ]]; then
        echo -e "${RAMSIZE}${BOLD}${DGN}RAM Size: ${BGN}$RAM_SIZE${CL}"
        break
      fi
      whiptail --backtitle "Proxmox VE Helper Scripts" --title "INVALID INPUT" --msgbox "RAM Size must be a positive integer in MiB (e.g., 2048)." 8 58
    else
      exit_script
    fi
  done

  if BRG=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set a Bridge" 8 58 vmbr0 --title "BRIDGE" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
    if [ -z "$BRG" ]; then BRG="vmbr0"; fi
    echo -e "${BRIDGE}${BOLD}${DGN}Bridge: ${BGN}$BRG${CL}"
  else
    exit_script
  fi

  while true; do
    if MAC1=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set a MAC Address" 8 58 "$GEN_MAC" --title "MAC ADDRESS" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
      if [ -z "$MAC1" ]; then
        MAC="$GEN_MAC"
        echo -e "${MACADDRESS}${BOLD}${DGN}MAC Address: ${BGN}$MAC${CL}"
        break
      fi
      if [[ "$MAC1" =~ ^([0-9A-Fa-f]{2}:){5}[0-9A-Fa-f]{2}$ ]]; then
        MAC="$MAC1"
        echo -e "${MACADDRESS}${BOLD}${DGN}MAC Address: ${BGN}$MAC${CL}"
        break
      fi
      whiptail --backtitle "Proxmox VE Helper Scripts" --title "INVALID INPUT" --msgbox "Invalid MAC address format. Use XX:XX:XX:XX:XX:XX." 8 58
    else
      exit_script
    fi
  done

  while true; do
    if VLAN1=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set a Vlan (leave blank for default)" 8 58 --title "VLAN" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
      if [ -z "$VLAN1" ]; then
        VLAN1="Default"
        VLAN=""
        echo -e "${VLANTAG}${BOLD}${DGN}VLAN: ${BGN}$VLAN1${CL}"
        break
      fi
      if [[ "$VLAN1" =~ ^[0-9]+$ ]] && [ "$VLAN1" -ge 1 ] && [ "$VLAN1" -le 4094 ]; then
        VLAN=",tag=$VLAN1"
        echo -e "${VLANTAG}${BOLD}${DGN}VLAN: ${BGN}$VLAN1${CL}"
        break
      fi
      whiptail --backtitle "Proxmox VE Helper Scripts" --title "INVALID INPUT" --msgbox "VLAN must be a number between 1 and 4094, or leave blank." 8 58
    else
      exit_script
    fi
  done

  while true; do
    if MTU1=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
      if [ -z "$MTU1" ]; then
        MTU1="Default"
        MTU=""
        echo -e "${DEFAULT}${BOLD}${DGN}Interface MTU Size: ${BGN}$MTU1${CL}"
        break
      fi
      if [[ "$MTU1" =~ ^[0-9]+$ ]] && [ "$MTU1" -ge 576 ] && [ "$MTU1" -le 65520 ]; then
        MTU=",mtu=$MTU1"
        echo -e "${DEFAULT}${BOLD}${DGN}Interface MTU Size: ${BGN}$MTU1${CL}"
        break
      fi
      whiptail --backtitle "Proxmox VE Helper Scripts" --title "INVALID INPUT" --msgbox "MTU Size must be between 576 and 65520, or leave blank." 8 58
    else
      exit_script
    fi
  done

  if (whiptail --backtitle "Proxmox VE Helper Scripts" --title "START VIRTUAL MACHINE" --yesno "Start VM when completed?" 10 58); then
    echo -e "${GATEWAY}${BOLD}${DGN}Start VM when completed: ${BGN}yes${CL}"
    START_VM="yes"
  else
    echo -e "${GATEWAY}${BOLD}${DGN}Start VM when completed: ${BGN}no${CL}"
    START_VM="no"
  fi

  configure_cloudinit_ssh_keys || true

  if (whiptail --backtitle "Proxmox VE Helper Scripts" --title "ADVANCED SETTINGS COMPLETE" --yesno "Ready to create an AlmaLinux 10 VM?" --no-button Do-Over 10 58); then
    echo -e "${CREATING}${BOLD}${DGN}Creating an AlmaLinux 10 VM using the above advanced settings${CL}"
  else
    header_info
    echo -e "${ADVANCED}${BOLD}${RD}Using Advanced Settings${CL}"
    advanced_settings
  fi
}

function start_script() {
  if (whiptail --backtitle "Proxmox VE Helper Scripts" --title "SETTINGS" --yesno "Use Default Settings?" --no-button Advanced 10 58); then
    header_info
    echo -e "${DEFAULT}${BOLD}${BL}Using Default Settings${CL}"
    default_settings
  else
    header_info
    echo -e "${ADVANCED}${BOLD}${RD}Using Advanced Settings${CL}"
    advanced_settings
  fi
}

start_script
post_to_api_vm

msg_info "Validating Storage"
STORAGE_MENU=()
MSG_MAX_LENGTH=0
STORAGE=""
while read -r line; do
  TAG=$(echo "$line" | awk '{print $1}')
  TYPE=$(echo "$line" | awk '{printf "%-10s", $2}')
  FREE=$(echo "$line" | numfmt --field 4-6 --from-unit=K --to=iec --format %.2f | awk '{printf( "%9sB", $6)}')
  ITEM="  Type: $TYPE Free: $FREE "
  OFFSET=2
  if [[ $((${#ITEM} + $OFFSET)) -gt ${MSG_MAX_LENGTH:-} ]]; then
    MSG_MAX_LENGTH=$((${#ITEM} + $OFFSET))
  fi
  STORAGE_MENU+=("$TAG" "$ITEM" "OFF")
done < <(pvesm status -content images | awk 'NR>1')
VALID=$(pvesm status -content images | awk 'NR>1')
if [ -z "$VALID" ]; then
  msg_error "Unable to detect a valid storage location."
  exit
fi
while [ -z "${STORAGE:+x}" ]; do
  STORAGE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "Storage Pools" --radiolist \
    "Which storage pool would you like to use for ${HN}?\nTo make a selection, use the Spacebar.\n" \
    16 $((MSG_MAX_LENGTH + 23)) 6 \
    "${STORAGE_MENU[@]}" 3>&1 1>&2 2>&3) || exit_script
done
msg_ok "Using ${CL}${BL}$STORAGE${CL} ${GN}for Storage Location."
msg_ok "Virtual Machine ID is ${CL}${BL}$VMID${CL}."

# ==============================================================================
# PREREQUISITES
# ==============================================================================
if ! command -v virt-customize &>/dev/null; then
  msg_info "Installing libguestfs-tools"
  $STD apt-get update
  $STD apt-get install -y libguestfs-tools
  msg_ok "Installed libguestfs-tools"
fi

msg_info "Retrieving the URL for the AlmaLinux 10 Qcow2 Disk Image"
URL=https://repo.almalinux.org/almalinux/10/cloud/x86_64/images/AlmaLinux-10-GenericCloud-latest.x86_64.qcow2
sleep 2
msg_ok "${CL}${BL}${URL}${CL}"
curl -f#SL -o "$(basename "$URL")" "$URL"
echo -en "\e[1A\e[0K"
FILE=$(basename $URL)
msg_ok "Downloaded ${CL}${BL}${FILE}${CL}"

# ==============================================================================
# IMAGE CUSTOMIZATION
# ==============================================================================
msg_info "Customizing ${FILE} image"

WORK_FILE=$(mktemp --suffix=.qcow2)
cp "$FILE" "$WORK_FILE"
popd >/dev/null
rm -rf "$TEMP_DIR"

virt-customize -q -a "$WORK_FILE" --hostname "${HN}" >/dev/null 2>&1
virt-customize -q -a "$WORK_FILE" --run-command "truncate -s 0 /etc/machine-id" >/dev/null 2>&1
virt-customize -q -a "$WORK_FILE" --run-command "rm -f /var/lib/dbus/machine-id" >/dev/null 2>&1
virt-customize -q -a "$WORK_FILE" --run-command "systemctl disable systemd-firstboot.service 2>/dev/null; rm -f /etc/systemd/system/sysinit.target.wants/systemd-firstboot.service; ln -sf /dev/null /etc/systemd/system/systemd-firstboot.service" >/dev/null 2>&1 || true
virt-customize -q -a "$WORK_FILE" --run-command "sed -i 's/^#*PermitRootLogin.*/PermitRootLogin yes/' /etc/ssh/sshd_config" >/dev/null 2>&1 || true
virt-customize -q -a "$WORK_FILE" --run-command "sed -i 's/^#*PasswordAuthentication.*/PasswordAuthentication yes/' /etc/ssh/sshd_config" >/dev/null 2>&1 || true
virt-customize -q -a "$WORK_FILE" --run-command "systemctl enable serial-getty@ttyS0.service" >/dev/null 2>&1 || true
virt-customize -q -a "$WORK_FILE" --selinux-relabel >/dev/null 2>&1 || true

msg_ok "Customized image"

STORAGE_TYPE=$(pvesm status -storage "$STORAGE" | awk 'NR>1 {print $2}')
case $STORAGE_TYPE in
nfs | dir)
  DISK_EXT=".qcow2"
  DISK_REF="$VMID/"
  DISK_IMPORT="-format qcow2"
  THIN=""
  ;;
btrfs)
  DISK_EXT=".raw"
  DISK_REF="$VMID/"
  DISK_IMPORT="-format raw"
  FORMAT=",efitype=4m"
  THIN=""
  ;;
*)
  DISK_EXT=""
  DISK_REF=""
  DISK_IMPORT="-format raw"
  ;;
esac
for i in {0,1,2}; do
  disk="DISK$i"
  eval DISK"${i}"=vm-"${VMID}"-disk-"${i}"${DISK_EXT:-}
  eval DISK"${i}"_REF="${STORAGE}":"${DISK_REF:-}""${!disk}"
done

if [[ "$STORAGE_TYPE" != "nfs" && "$STORAGE_TYPE" != "dir" ]]; then
  msg_info "Converting image to raw format"
  RAW_FILE=$(mktemp --suffix=.raw)
  qemu-img convert -f qcow2 -O raw "$WORK_FILE" "$RAW_FILE"
  rm -f "$WORK_FILE"
  WORK_FILE="$RAW_FILE"
  msg_ok "Converted image to raw format"
fi

msg_info "Creating an AlmaLinux 10 VM"
qm create "$VMID" -agent 1${MACHINE} -tablet 0 -localtime 1 -bios ovmf${CPU_TYPE} -cores "$CORE_COUNT" -memory "$RAM_SIZE" \
  -name "$HN" -tags community-script -net0 virtio,bridge="$BRG",macaddr="$MAC""$VLAN""$MTU" -onboot 1 -ostype l26 -scsihw virtio-scsi-pci
pvesm alloc "$STORAGE" "$VMID" "$DISK0" 4M 1>&/dev/null
pvesm alloc "$STORAGE" "$VMID" "$DISK2" 4M 1>&/dev/null
qm importdisk "$VMID" "${WORK_FILE}" "$STORAGE" ${DISK_IMPORT:-} 1>&/dev/null
qm set "$VMID" \
  -efidisk0 "${DISK0_REF}"${FORMAT} \
  -scsi0 "${DISK1_REF}",${DISK_CACHE}${THIN}size="${DISK_SIZE}" \
  -tpmstate0 "${DISK2_REF}",version=v2.0 \
  -boot order=scsi0 \
  -serial0 socket >/dev/null

rm -f "$WORK_FILE"
msg_ok "Created an AlmaLinux 10 VM ${CL}${BL}(${HN})"

msg_info "Resizing disk to ${DISK_SIZE}"
qm resize "$VMID" scsi0 "${DISK_SIZE}" >/dev/null
msg_ok "Resized disk to ${DISK_SIZE}"

setup_cloud_init "$VMID" "$STORAGE" "$HN" "yes"

if [ "$START_VM" == "yes" ]; then
  msg_info "Starting AlmaLinux 10 VM"
  qm start "$VMID"
  msg_ok "Started AlmaLinux 10 VM"
fi

post_update_to_api "done" "none"

msg_ok "Completed successfully!"
if [ -n "${CLOUDINIT_CRED_FILE:-}" ]; then
  echo -e "${INFO}${YW} Cloud-Init credentials saved to: ${BGN}${CLOUDINIT_CRED_FILE}${CL}"
fi