package claude

import (
	"os"
	"strings"
)

func TailLastNLines(path string, n int) ([]string, error) {
	content, err := os.ReadFile(path)
	if err != nil {
		return nil, err
	}

	lines := strings.Split(string(content), "\n")

	var result []string
	for i := len(lines) - 1; i >= 0 && len(result) < n; i-- {
		if lines[i] != "" {
			result = append(result, lines[i])
		}
	}

	return result, nil
}