#!/usr/bin/env bash

function error_handler() {
  >&2 echo "Exited with BAD EXIT CODE '${2}' in ${0} script at line: ${1}."
  exit "$2"
}
trap 'error_handler ${LINENO} $?' ERR
set -o errtrace -o errexit -o nounset -o pipefail

# Define directories
src_dir="src"
spiffui_dir="src/a-spiffui-v3"
ignored_dir="src/a-spiffui-v2"

# Ensure both directories exist
if [[ ! -d "$src_dir" || ! -d "$spiffui_dir" ]]; then
  echo "Both '$src_dir' and '$spiffui_dir' directories must exist."
  exit 1
fi

# List files in src (up to max depth 10), excluding src/a-spiffui-v2 and src/a-spiffui-v3
src_files=$(find "$src_dir" -mindepth 1 -maxdepth 10 -type f ! -path "$ignored_dir/*" ! -path "$spiffui_dir/*")

# Find files in src that are not in src/a-spiffui-v3
missing_files=()
for file in $src_files; do
  relative_path="${file#$src_dir/}"
  if [[ ! -f "$spiffui_dir/$relative_path" ]]; then
    missing_files+=("$file")
  fi
done

# Output the result
found_count=$(echo "$src_files" | wc -l)
missing_count=${#missing_files[@]}

if [[ $missing_count -eq 0 ]]; then
  echo "All files in '$src_dir' are present in '$spiffui_dir'."
else
  echo "Files in '$src_dir' but not in '$spiffui_dir':"
  for file in "${missing_files[@]}"; do
    echo "$file"
  done
fi

# Summary
echo "Total files checked: $found_count"
echo "Total missing files: $missing_count"