#!/usr/bin/env bash
# -----------------------------------------------------------------------------
# Title:     audit-dir-content.sh
# Purpose:   Comprehensive inventory of file types and subdirectory sizes
# Version:   1.0.0
# Developer: h@x
# -----------------------------------------------------------------------------

set -euo pipefail
IFS=$'\n\t'

WORKDIR="${PWD##*/}"
echo "=== typecheck - Check your folders for filetypes v1.1 ==="
echo
echo "=== Inventory for: ${WORKDIR} ==="
echo

## 1) FILE-TYPE COUNTS
echo ">> File-type breakdown (MIME) with counts"
# Gather MIME types for all regular files at depth=1
mapfile -t mime_types < <(
  find . -maxdepth 1 -type f -exec file --mime-type --brief {} + 2>/dev/null
)

if [ "${#mime_types[@]}" -eq 0 ]; then
  echo "   No regular files detected."
else
  printf '%s\n' "${mime_types[@]}" \
    | sort \
    | uniq -c \
    | awk '{ printf "   %-5s %s\n", $1, $2 }'
  echo
  printf "   Total files: %d\n" "${#mime_types[@]}"
fi

echo
## 2) SUBDIRECTORY SIZES
echo ">> Subdirectory inventory with sizes"
# Identify each directory (excluding the current “.”) at depth=1
mapfile -t subdirs < <(find . -maxdepth 1 -mindepth 1 -type d | sort)

if [ "${#subdirs[@]}" -eq 0 ]; then
  echo "   No subdirectories present."
else
  # Compute human-readable size for each
  for dir in "${subdirs[@]}"; do
    # du -sh prints: “<size>   <path>”
    size=$(du -sh -- "${dir}" 2>/dev/null | awk '{print $1}')
    name="${dir#./}"
    printf "   %-10s %s\n" "${size}" "${name}"
  done
  echo
  printf "   Total subdirectories: %d\n" "${#subdirs[@]}"
fi

echo "=== End of report ==="