#!/bin/bash
# Auto-format files after Edit/Write using Prettier
# Event: PostToolUse | Matcher: Edit|Write
# Silently skips if Prettier is not installed or file doesn't exist

INPUT=$(cat)
FILE_PATH=$(echo "$INPUT" | jq -r '.tool_input.file_path // empty')

if [ -z "$FILE_PATH" ] || [ ! -f "$FILE_PATH" ]; then
  exit 0
fi

EXTENSIONS="ts tsx js jsx json css scss html md yaml yml"
FILE_EXT="${FILE_PATH##*.}"

SHOULD_FORMAT=false
for ext in $EXTENSIONS; do
  if [ "$FILE_EXT" = "$ext" ]; then
    SHOULD_FORMAT=true
    break
  fi
done

if [ "$SHOULD_FORMAT" = false ]; then
  exit 0
fi

if command -v npx &>/dev/null && [ -f "node_modules/.bin/prettier" ]; then
  npx prettier --write "$FILE_PATH" 2>/dev/null
elif command -v prettier &>/dev/null; then
  prettier --write "$FILE_PATH" 2>/dev/null
fi

exit 0