license

type ContentKey struct {
	Key
	Value []byte `json:"encrypted_value,omitempty"`
}

type Encryption struct {
	Profile    string     `json:"profile,omitempty"`
	ContentKey ContentKey `json:"content_key"`
	UserKey    UserKey    `json:"user_key"`
}

type EncryptionProfile int

type Key struct {
	Algorithm string `json:"algorithm,omitempty"`
}

type License struct {
	Provider   string          `json:"provider"`
	ID         string          `json:"id"`
	Issued     time.Time       `json:"issued"`
	Updated    *time.Time      `json:"updated,omitempty"`
	Encryption Encryption      `json:"encryption"`
	Links      []Link          `json:"links,omitempty"`
	User       UserInfo        `json:"user"`
	Rights     *UserRights     `json:"rights,omitempty"`
	Signature  *sign.Signature `json:"signature,omitempty"`
	ContentID  string          `json:"-"`
}

type LicenseReport struct {
	Provider  string      `json:"provider"`
	ID        string      `json:"id"`
	Issued    time.Time   `json:"issued"`
	Updated   *time.Time  `json:"updated,omitempty"`
	User      UserInfo    `json:"user,omitempty"`
	Rights    *UserRights `json:"rights"`
	ContentID string      `json:"-"`
}

type Link struct {
	Rel       string `json:"rel"`
	Href      string `json:"href"`
	Type      string `json:"type,omitempty"`
	Title     string `json:"title,omitempty"`
	Profile   string `json:"profile,omitempty"`
	Templated bool   `json:"templated,omitempty"`
	Size      int64  `json:"length,omitempty"`
	//Digest    []byte `json:"hash,omitempty"`
	Checksum string `json:"hash,omitempty"`
}

type Store interface {
	//List() func() (License, error)
	List(ContentID string, page int, pageNum int) func() (LicenseReport, error)
	ListAll(page int, pageNum int) func() (LicenseReport, error)
	UpdateRights(l License) error
	Update(l License) error
	UpdateLsdStatus(id string, status int32) error
	Add(l License) error
	Get(id string) (License, error)
}

type UserInfo struct {
	ID        string   `json:"id"`
	Email     string   `json:"email,omitempty"`
	Name      string   `json:"name,omitempty"`
	Encrypted []string `json:"encrypted,omitempty"`
}

type UserKey struct {
	Key
	Hint     string `json:"text_hint,omitempty"`
	Check    []byte `json:"key_check,omitempty"`
	Value    []byte `json:"value,omitempty"`     //Used for license generation
	HexValue string `json:"hex_value,omitempty"` //Used for license generation
}

type UserRights struct {
	Print *int32     `json:"print,omitempty"`
	Copy  *int32     `json:"copy,omitempty"`
	Start *time.Time `json:"start,omitempty"`
	End   *time.Time `json:"end,omitempty"`
}