// Copyright 2021, Henrik Sölver henrik.solver@gmail.com
// SPDX-License-Identifier: BSD-3-Clause
package ipp

import (
	"bufio"
	"bytes"
	"testing"

	"github.com/stretchr/testify/assert"
)

// func TestUnmarshalSimpleKeyword(T *testing.T) {
// 	testdata := []byte{
// 		0x00, 0x14,
// 		0x72, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x65, 0x64, 0x2d, 0x61, 0x74, 0x74, 0x72, 0x69, 0x62, 0x75, 0x74, 0x65, 0x73,
// 		0x00, 0x16,
// 		0x70, 0x72, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x2d, 0x6d, 0x61, 0x6b, 0x65, 0x2d, 0x61, 0x6e, 0x64, 0x2d, 0x6d, 0x6f, 0x64, 0x65, 0x6c,
// 	}
// 	buf := bytes.NewBuffer(testdata)
// 	var k keyWord
// 	k.unmarshal(buf)
// 	assert.Equal(T, k.name, "requested-attributes")
// 	assert.Equal(T, k.values[0], "printer-make-and-model")
// }

func TestUnmarshalKeywordWithMultipleStrings(t *testing.T) {
	// test data from rfc8010 example A8 Get-Jobs request
	testdata := []byte{0x00, 0x14,
		'r', 'e', 'q', 'u', 'e', 's', 't', 'e', 'd', '-', 'a', 't', 't', 'r', 'i', 'b', 'u', 't', 'e', 's',
		0x00, 0x06,
		'j', 'o', 'b', '-', 'i', 'd',
		0x44, 0x00, 0x00, 0x00, 0x08,
		'j', 'o', 'b', '-', 'n', 'a', 'm', 'e',
		0x44, 0x00, 0x00, 0x00, 0x0f,
		'd', 'o', 'c', 'u', 'm', 'e', 'n', 't', '-', 'f', 'o', 'r', 'm', 'a', 't',
	}
	buf := bytes.NewBuffer(testdata)
	r := bufio.NewReader(buf)
	k := NewKeyWord("")
	k.unmarshal(r)
	assert.Equal(t, k.Name(), "requested-attributes")
	assert.Len(t, k.sos.values, 3)
	assert.Equal(t, k.sos.values[0], "job-id")
	assert.Equal(t, k.sos.values[1], "job-name")
	assert.Equal(t, k.sos.values[2], "document-format")
}

func TestMarshalSimpleKeyword(T *testing.T) {
	testdata := []byte{
		0x44, 0x00, 0x14,
		0x72, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x65, 0x64, 0x2d, 0x61, 0x74, 0x74, 0x72, 0x69, 0x62, 0x75, 0x74, 0x65, 0x73,
		0x00, 0x16,
		0x70, 0x72, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x2d, 0x6d, 0x61, 0x6b, 0x65, 0x2d, 0x61, 0x6e, 0x64, 0x2d, 0x6d, 0x6f, 0x64, 0x65, 0x6c,
	}

	k := NewKeyWord("requested-attributes")
	k.addValue("printer-make-and-model")
	m := k.marshal()
	assert.Equal(T, testdata, m, "Should be equal")

}

func TestUnMarshalKeywordWithAdditionalValues(T *testing.T) {
	testdata := []byte{
		0x00, 0x04,
		0x72, 0x65, 0x71, 0x75,
		0x00, 0x06,
		0x70, 0x72, 0x69, 0x6e, 0x74, 0x65,
		0x44, 0x00, 0x00,
		0x00, 0x04,
		0x6e, 0x69, 0x72, 0x70,
		0x44, 0x00, 0x00,
		0x00, 0x05,
		0x70, 0x72, 0x69, 0x6e, 0x74, 0x00,
	}

	b := bytes.NewBuffer(testdata)
	buf := bufio.NewReader(b)
	k := NewKeyWord("")
	k.unmarshal(buf)

	assert.Equal(T, "requ", k.sos.name, "Wrong name")
	assert.Equal(T, "printe", k.sos.values[0], "Wrong value 0")
	assert.Equal(T, "nirp", k.sos.values[1], "Wrong value 1")
	assert.Equal(T, "print", k.sos.values[2], "Wrong value 2")
}