package steamcache

import "github.com/docker/go-units"

type StorageType string

type Config struct {
	Address string          `yaml:"address"` // Address to listen on
	Storage []StorageConfig `yaml:"storage"` // Storage configuration
	// Ordered by speed so memory is first, then ssd, then hdd, etc
}

func NewConfig() *Config {
	return &Config{
		Address: ":8080",
		Storage: []StorageConfig{
			{
				Name:       "memory",
				MaxSizeStr: "1GB",
			},
			{
				Name:       "filesystem",
				Path:       "/example/path",
				MaxSizeStr: "1TB",
			},
		},
	}
}

type StorageConfig struct {
	Name       string `yaml:"name"`           // Name of the storage
	Path       string `yaml:"path,omitempty"` // Path to the storage (if applicable) - empty for memory
	MaxSizeStr string `yaml:"max_size"`       // Maximum size of the storage in human readable format (e.g. 1GB)
}

func (sc *StorageConfig) IsMemory() bool {
	return sc.Path == ""
}

func (sc *StorageConfig) IsFilesystem() bool {
	return sc.Path != ""
}

func (sc *StorageConfig) MaxSize() int64 {
	x, err := units.FromHumanSize(sc.MaxSizeStr)
	if err != nil {
		return -1 // Unlimited
	}

	return x // Bytes
}