#!/usr/bin/env sh
# Check for large files before commit

MAX_SIZE=1048576      # 1MB in bytes

files=$(git diff --cached --name-only --diff-filter=ACMR)
has_large_file=false

echo "Checking for large files..."

for file in $files; do
  if [ -f "$file" ]; then
    size=$(stat -f%z "$file" 2>/dev/null || stat -c%s "$file" 2>/dev/null)
    if [ "$size" -gt "$MAX_SIZE" ]; then
      size_mb=$(echo "scale=2; $size / 1048576" | bc 2>/dev/null || echo "$((size / 1048576))")
      echo "  File '$file' is too large (${size_mb}MB). Maximum allowed is $((MAX_SIZE / 1048576))MB."
      has_large_file=true
    fi
  fi
done

if [ "$has_large_file" = true ]; then
  echo ""
  echo "Error: Large files detected. Commit rejected."
  echo "   If this is intentional, use: git commit --no-verify"
  exit 1
fi

echo "File size check passed"