package collector

import (
	"sync"
)

type Registry struct {
	collectors []Collector
	mutex      sync.RWMutex
}

func NewRegistry() *Registry {
	return &Registry{
		collectors: make([]Collector, 0),
	}
}

func (r *Registry) Register(collector Collector) {
	r.mutex.Lock()
	defer r.mutex.Unlock()
	r.collectors = append(r.collectors, collector)
}

func (r *Registry) GetCollectors() []Collector {
	r.mutex.RLock()
	defer r.mutex.RUnlock()

	result := make([]Collector, len(r.collectors))
	copy(result, r.collectors)
	return result
}