#!/usr/bin/env bash
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
# shellcheck source=00_env.sh
source "$SCRIPT_DIR/00_env.sh"

parse_common_args "$@"

missing=0
for cmd in lsblk vxdisk vxdctl; do
  require_cmd "$cmd" || missing=1
done

if (( missing != 0 )); then
  exit 2
fi

ok "Veritas LUN discovery started"
log "INFO" "log file: $LOG_FILE"
capture_cmd "Current Linux block devices" lsblk
capture_cmd "Current VxVM disks" vxdisk list

run_cmd "Refresh VxVM device discovery" vxdctl enable
run_cmd "Scan disks known to VxVM" vxdisk scandisks

ok "Candidate VxVM disks with status 'online invalid'"
candidate_count=0
while read -r disk status rest; do
  if [[ "$status $rest" == *"online invalid"* ]]; then
    printf '  %s  %s %s\n' "$disk" "$status" "$rest" | tee -a "$LOG_FILE"
    candidate_count=$(( candidate_count + 1 ))
  fi
done < <(vxdisk list 2>/dev/null | awk 'NR > 1 {print $1, $4, $5, $6, $7, $8}')

if (( candidate_count == 0 )); then
  warning "no candidate disks detected with VxVM status 'online invalid'"
else
  ok "detected $candidate_count candidate disk(s); review before initialization"
fi