package main

// References
// https://tools.ietf.org/html/rfc8010
// https://tools.ietf.org/html/rfc8011

// Defined atribute group tags
const (
	beginAttributeGroupTag   = 0x00
	operationAttributesTag   = 0x01
	jobAttributesTag         = 0x02
	endOfAttributesTag       = 0x03
	printerAttributesTag     = 0x04
	unsupportedAttributesTag = 0x05
)

// Defined value tags
// from rfc8010
const (
	// Out of band
	unsupportedValueTag = 0x10
	unknownValueTag     = 0x12
	noValueValueTag     = 0x13
	// Integer values
	integerValueTag   = 0x21
	booleanIntegerTag = 0x22
	enumValueTag      = 0x23
	// Character string values
	textWithoutLanguagageValueTag = 0x41
	nameWithoutLanguagageValueTag = 0x42
	keywordValueTag               = 0x44
	uriValueTag                   = 0x45
	uriSchemeValueTag             = 0x46
	charsetValueTag               = 0x47
	naturalLanguagageValueTag     = 0x48
	mimeMediaTypeValueTag         = 0x49
	memberAttrNameValueTag        = 0x4a
)

// Operation-id, defined in rfc8011
const (
	PrintJob             = 0x0002
	PrintURI             = 0x0003
	ValidateJob          = 0x0004
	CreateJob            = 0x0005
	SendDocument         = 0x0006
	SendURI              = 0x0007
	CancelJob            = 0x0008
	GetJobAttributes     = 0x0009
	GetJobs              = 0x000a
	GetPrinterAttributes = 0x000b
	HoldJob              = 0x000c
	ReleaseJob           = 0x000d
	RestartJob           = 0x000e
	PausePrinter         = 0x0010
	ResumePrinter        = 0x0011
	PurgeJobs            = 0x0012
)

type ippRequestHeader struct {
	versionNumber uint16
	operationId   uint16
	requestId     uint32
}

type ippRequest struct {
	header              ippRequestHeader
	operationAttributes map[string]string
	requestedAttributes []string
}