package mux

import (
	"fmt"
	"log/slog"
	"sync"
)

type RouteList struct {
	mu     sync.RWMutex
	routes []string
}

func (s *RouteList) Add(item string) {
	if s == nil {
		slog.Warn("failed on Add, RouteList is nil")
		return
	}

	s.mu.Lock()
	defer s.mu.Unlock()

	s.routes = append(s.routes, item)
}

func (s *RouteList) Get(index int) (string, error) {
	if s == nil {
		slog.Warn("failed on Get, RouteList is nil")
		return "", nil
	}

	s.mu.RLock()
	defer s.mu.RUnlock()

	if index < 0 || index >= len(s.routes) {
		return "0", fmt.Errorf("index out of bounds")
	}
	return s.routes[index], nil
}

func (s *RouteList) All() []string {
	if s == nil {
		slog.Warn("failed on All, RouteList is nil")
		return nil
	}

	s.mu.RLock()
	defer s.mu.RUnlock()

	return s.routes
}