package cache

import "time"

type Options struct {
	CacheTTL               time.Duration
	BlobCacheMaxMemorySize int
	BlobCacheShards        int
	BucketCacheSize        int
	BlobInfoCacheSize      int
}

type OptionFunc func(opts *Options)

func NewOptions(funcs ...OptionFunc) *Options {
	opts := &Options{
		CacheTTL:               60 * time.Minute,
		BlobCacheMaxMemorySize: 256,
		BlobCacheShards:        1024,
		BucketCacheSize:        16,
		BlobInfoCacheSize:      512,
	}

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

	return opts
}

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

func WithBlobCacheMaxMemorySize(size int) OptionFunc {
	return func(opts *Options) {
		opts.BlobCacheMaxMemorySize = size
	}
}

func WithBlobCacheShards(shards int) OptionFunc {
	return func(opts *Options) {
		opts.BlobCacheShards = shards
	}
}

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

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