package cache

import (
	"time"

	"github.com/allegro/bigcache/v3"
)

type Options struct {
	CacheTTL          time.Duration
	BigCache          bigcache.Config
	BucketCacheSize   int
	BlobInfoCacheSize int
}

type OptionFunc func(opts *Options)

func NewOptions(funcs ...OptionFunc) *Options {
	defaultTTL := 60 * time.Minute
	opts := &Options{
		CacheTTL:          defaultTTL,
		BigCache:          bigcache.DefaultConfig(defaultTTL),
		BucketCacheSize:   16,
		BlobInfoCacheSize: 256,
	}

	for _, fn := range funcs {
		fn(opts)
	}

	return opts
}

func WithCacheTTL(ttl time.Duration) OptionFunc {
	return func(opts *Options) {
		opts.CacheTTL = ttl
	}
}

func WithBigCacheConfig(config bigcache.Config) OptionFunc {
	return func(opts *Options) {
		opts.BigCache = config
	}
}

func WithBucketCacheSize(size int) OptionFunc {
	return func(opts *Options) {
		opts.BucketCacheSize = size
	}
}

func WithBlobInfoCacheSize(size int) OptionFunc {
	return func(opts *Options) {
		opts.BlobInfoCacheSize = size
	}
}