package ident_test

import (
	"encoding/base64"
	"strings"
	"testing"
	"time"

	"git.gensokyo.uk/cofront/cof-spec/ident"
)

func TestS(t *testing.T) {
	t.Parallel()

	rTestCases[ident.S, *ident.S]{
		{"short", ident.S{}, nil, &ident.UnexpectedSizeError{
			Data: nil,
			Want: ident.EncodedSizeSystem,
		}},

		{"malformed", ident.S{}, []byte{
			0xfe, 0xe1, 0xde, 0xad,
			0xfe, 0xe1, 0xde, 0xad,
			0xfe, 0xe1, 0xde, 0xad,
			0xfe, 0xe1, 0xde, 0xad,
			0xfe, 0xe1, 0xde, 0xad,
			0xfe, 0xe1, 0xde, 0xad,
			0xfe, 0xe1, 0xde, 0xad,
			0xfe, 0xe1, 0xde, 0xad,
		}, base64.CorruptInputError(0)},

		{"newline", ident.S{}, []byte(
			"AAAA" + strings.Repeat("\n", ident.EncodedSizeSystem-4),
		), ident.ErrNewline},

		{"valid", ident.S{
			Site: ident.TrivialSite,
			Host: ident.TrivialHost,

			Time: uint64(time.Date(
				0xfd, 7, 15,
				23, 59, 59, 0xcafe,
				time.UTC,
			).UnixNano()),

			ID: 0xfee1dead0badf00d,
		}, base64.URLEncoding.AppendEncode(nil, []byte{
			/* site: */ 0xfe, 0xca, 0xed, 0xfe,
			/* host: */ 0xbe, 0xba, 0xfe, 0xca,

			/* time: */ 0xfe, 0, 0x43, 0xce, 0xf1, 0x92, 0x4a, 0x10,
			/* id:   */ 0xd, 0xf0, 0xad, 0xb, 0xad, 0xde, 0xe1, 0xfe,
		}), nil},
	}.run(t)
}