#!/usr/bin/env sh

target_dir="$1"
if [ ! -d "$target_dir" ]; then
    echo "❌ Dir not found: $target_dir"
    return 1
fi

total_lines=0
echo "📁 Analyze dir: $target_dir"

for f in "$target_dir"/*; do
    [ -f "$f" ] || continue
    lines=$(wc -l <"$f")
    size=$(stat -c %s "$f")
    mod=$(date -d @"$(stat -c %Y "$f")" +"%Y-%m-%d %H:%M:%S")
    sha=$(shasum -a 256 "$f" | cut -d ' ' -f 1)
    total_lines=$((total_lines + lines))
    printf "%-30s %10s bytes  %5s lines  %s  SHA256: %s\n" "$(basename "$f")" "$size" "$lines" "$mod" "$sha"
done

echo "📊 Total lines of code in the dir: $total_lines"