#!/bin/bash

CUSTOMER_FILE="${1:-customers.txt}"
OUT="${2:-openstack_customer_report.csv}"

command -v openstack >/dev/null 2>&1 || { echo "ERROR: openstack CLI not found"; exit 1; }
command -v jq >/dev/null 2>&1 || { echo "ERROR: jq not found. Install: sudo apt-get install -y jq"; exit 1; }

echo "Customer Name,project name,Project id,Instance name,Instance id,Volume name,volume id,vol size,Projects storage Allocation,Number of volu" > "$OUT"

PROJ_JSON="$(openstack project list -f json)"

while IFS= read  -r CUSTOMER; do
  [[ -z "${CUSTOMER// }" ]] && continue
  PROJECT_NAME="$(echo "$PROJ_JSON" | jq -r --arg p "$CUSTOMER" '.[] | select(.Name|test($p;"i")) | .Name' | head -n1)"
  PROJECT_ID="$(echo "$PROJ_JSON"   | jq -r --arg p "$CUSTOMER" '.[] | select(.Name|test($p;"i")) | .ID'   | head -n1)"
  echo $PROJECT_NAME
  echo $PROJECT_ID

  if [[ -z "${PROJECT_ID:-}" || "$PROJECT_ID" == "null" ]]; then
    echo "\"$CUSTOMER\"-> Project Not Found"
    continue
  fi
  echo "checkpoint 1"
  QUOTA_JSON="$(openstack quota show "$PROJECT_ID" -f json)"
  QUOTA_GB="$(echo "$QUOTA_JSON" | jq -r '.[] | select(.Resource=="gigabytes") | .Limit' | head -n1)"
  QUOTA_VOL="$(echo "$QUOTA_JSON" | jq -r '.[] | select(.Resource=="volumes")   | .Limit' | head -n1)"
  QUOTA_GB="${QUOTA_GB:-NA}"
  QUOTA_VOL="${QUOTA_VOL:-NA}"
  echo "checkpoint 2"
  INST_MAP="$(openstack server list --all-projects --project "$PROJECT_ID" -f value -c ID -c Name 2>/dev/null || true)"
  echo "checkpoint 3"
  openstack volume list --all-projects --project "$PROJECT_ID" -f value -c ID -c Name -c Size 2>/dev/null | \
  while read -r VOL_ID VOL_NAME VOL_SIZE; do
    ATT_JSON="$(openstack volume show "$VOL_ID" -f json -c attachments 2>/dev/null || echo '{"attachments": []}')"
    INSTANCE_ID="$(echo "$ATT_JSON" | jq -r '.attachments[0].server_id // ""')"
    echo $ATT_JSON
    echo "checkpoint 4" 
    INSTANCE_NAME="" 
    if [[ -n "${INSTANCE_ID:-}" ]]; then
      echo "checkpoint 5"
      INSTANCE_NAME="$(echo "$INST_MAP" | awk -v id="$INSTANCE_ID" '$1==id{print $2; exit}')"
      INSTANCE_NAME="${INSTANCE_NAME:-UNKNOWN}"
    fi
    echo "checkpoint 6"
    echo "\"$CUSTOMER\",\"$PROJECT_NAME\",\"$PROJECT_ID\",\"$INSTANCE_NAME\",\"$INSTANCE_ID\",\"$VOL_NAME\",\"$VOL_ID\",\"$VOL_SIZE\",\"$QUOTA_GB\",\"$QUOTA_VOL\"" >> "$OUT"

  done



done < "$CUSTOMER_FILE"

echo "Done: $OUT"



echo "Done"