#!/bin/bash
# UV Suite Hook: Auto-lint after file writes
# Event: PostToolUse (Write|Edit)
# Reads the tool input from stdin, extracts the file path, runs the appropriate linter.

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

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

EXT="${FILE_PATH##*.}"

case "$EXT" in
  ts|tsx|js|jsx|mjs|cjs)
    # Try prettier first, fall back to eslint
    if command -v npx &>/dev/null; then
      npx prettier --write "$FILE_PATH" 2>/dev/null || true
    fi
    ;;
  py)
    if command -v ruff &>/dev/null; then
      ruff format "$FILE_PATH" 2>/dev/null || true
    elif command -v black &>/dev/null; then
      black --quiet "$FILE_PATH" 2>/dev/null || true
    fi
    ;;
  go)
    if command -v gofmt &>/dev/null; then
      gofmt -w "$FILE_PATH" 2>/dev/null || true
    fi
    ;;
  rs)
    if command -v rustfmt &>/dev/null; then
      rustfmt "$FILE_PATH" 2>/dev/null || true
    fi
    ;;
esac

exit 0